2 # TopGit - A different patch queue manager
3 # Copyright (C) 2008 Petr Baudis <pasky@suse.cz>
4 # Copyright (C) 2014-2017 Kyle J. McKay <mackyle@gmail.com>
8 TG_VERSION
="0.19.9.PRE"
10 # Update in Makefile if you add any code that requires a newer version of git
11 GIT_MINIMUM_VERSION
="@mingitver@"
15 octet
='[0-9a-f][0-9a-f]'
16 octet4
="$octet$octet$octet$octet"
17 octet19
="$octet4$octet4$octet4$octet4$octet$octet$octet"
18 octet20
="$octet4$octet4$octet4$octet4$octet4"
19 nullsha
="0000000000000000000000000000000000000000" # :|git mktree|tr 0-9a-f 0
20 mtblob
="e69de29bb2d1d6434b8b29ae775ad8c2e48c5391" # :|git hash-object --stdin -w
25 ## Auxiliary functions
27 # some ridiculous sh implementations require 'trap ... EXIT' to be executed
28 # OUTSIDE ALL FUNCTIONS to work in a sane fashion. Always trap it and eval
29 # "${TRAPEXIT_:-exit}" as a substitute.
34 eval "${TRAPEXIT_:-exit $EXITCODE_}"
37 trap 'trapexit_ $?' EXIT
39 # unset that ignores error code that shouldn't be produced according to POSIX
42 { unset "$@"; } >/dev
/null
2>&1 ||
:
45 # Preserves current $? value while triggering a non-zero set -e exit if active
46 # This works even for shells that sometimes fail to correctly trigger a -e exit
52 # This is the POSIX equivalent of which
55 { "unset" -f command unset unalias "$1"; } >/dev
/null
2>&1 ||
:
56 { "unalias" -a ||
unalias -m "*"; } >/dev
/null
2>&1 ||
:
61 # note deliberate use of '(' ... ')' rather than '{' ... '}'
64 { "unset" -f "$1" ||
:; } >/dev
/null
2>&1 &&
71 # These tools work better for us with LC_ALL=C and by using these little
72 # convenience functions LC_ALL=C does not have to appear in the code but
73 # any Git translations will still appear for Git commands
74 awk() { exec_lc_all_c
awk @AWK_PATH@
"$@"; }
75 cat() { exec_lc_all_c
cat cat "$@"; }
76 cut
() { exec_lc_all_c cut cut
"$@"; }
77 find() { exec_lc_all_c
find find "$@"; }
78 grep() { exec_lc_all_c
grep grep "$@"; }
79 join() { exec_lc_all_c
join join "$@"; }
80 paste() { exec_lc_all_c
paste paste "$@"; }
81 sed() { exec_lc_all_c
sed sed "$@"; }
82 sort() { exec_lc_all_c
sort sort "$@"; }
83 tr() { exec_lc_all_c
tr tr "$@"; }
84 wc() { exec_lc_all_c
wc wc "$@"; }
85 xargs() { exec_lc_all_c
xargs xargs "$@"; }
87 # Output arguments without any possible interpretation
88 # (Avoid misinterpretation of '\' characters or leading "-n", "-E" or "-e")
96 echol
"${TG_RECURSIVE}${tgname:-tg}: $*"
101 info
"warning: $*" >&2
120 # shift off first arg then return "$*" properly quoted in single-quotes
121 # if $1 was '' output goes to stdout otherwise it's assigned to $1
122 # the final \n, if any, is omitted from the result but any others are included
127 set -- "$_quotearg_v" \
128 "sed \"s/'/'\\\\\\''/g;1s/^/'/;\\\$s/\\\$/'/;s/'''/'/g;1s/^''\\(.\\)/\\1/\"" "$*"
138 printf "%s$4" "$3" |
eval "$2"
140 eval "$1="'"$(printf "%s$4" "$3" | eval "$2")"'
145 # same as v_quotearg except there's no extra $1 so output always goes to stdout
153 # Compare $1 to $3 each of which must match ^[^0-9]*\d*(\.\d*)*.*$
154 # where only the "\d*" parts in the regex participate in the comparison
155 # Since EVERY string matches that regex this function is easy to use
156 # An empty string ('') for $1 or $3 or any "\d*" part is treated as 0
157 # $2 is a compare op '<', '<=', '=', '==', '!=', '>=', '>'
158 # Return code is 0 for true, 1 for false (or unknown compare op)
159 # There is NO difference in behavior between '=' and '=='
160 # Note that "vcmp 1.8 == 1.8.0.0.0.0" correctly returns 0
161 set -- "$1" "$2" "$3" "${1%%[0-9]*}" "${3%%[0-9]*}"
162 set -- "${1#"$4"}" "$2" "${3#"$5"}"
163 set -- "${1%%[!0-9.]*}" "$2" "${3%%[!0-9.]*}"
167 [ "z$vcmp_a_" != "z" -o "z$vcmp_b_" != "z" ]
169 if [ "${vcmp_a_:-0}" -lt "${vcmp_b_:-0}" ]; then
170 unset_ vcmp_a_ vcmp_b_
171 case "$2" in "<"|
"<="|
"!=") return 0; esac
173 elif [ "${vcmp_a_:-0}" -gt "${vcmp_b_:-0}" ]; then
174 unset_ vcmp_a_ vcmp_b_
175 case "$2" in ">"|
">="|
"!=") return 0; esac
178 vcmp_a_
="${1#$vcmp_a_}"
179 vcmp_b_
="${3#$vcmp_b_}"
180 set -- "${vcmp_a_#.}" "$2" "${vcmp_b_#.}"
182 unset_ vcmp_a_ vcmp_b_
183 case "$2" in "="|
"=="|
"<="|
">=") return 0; esac
187 # true if "$1" is an existing dir and is empty except for
188 # any additional files given as extra arguments. If "$2"
189 # is the single character "." then all ".*" files will be
190 # ignored for the test (plus any further args, if any)
192 test -n "$1" && test -d "$1" ||
return 1
196 if [ z
"$1" = z
"." ]; then
199 while ! case "$1" in "."*) ! :; esac; do shift; done
201 if [ $# -eq 0 ]; then
202 ! \
ls -a1 "$iedd_" |
grep -q -E -v '^\.'"$ieddnok_"
204 # we only handle ".git" right now for efficiency
205 [ z
"$*" = z
".git" ] ||
{
206 fatal
"[BUG] is_empty_dir not implemented for arguments: $*"
209 ! \
ls -a1 "$iedd_" |
grep -q -E -v -i -e '^\.\.?$' -e '^\.git$'
214 if ! git_version
="$(git version)"; then
215 die
"'git version' failed"
217 case "$git_version" in [Gg
]"it version "*);;*)
218 die
"'git version' output does not start with 'git version '"
221 vcmp
"$git_version" '>=' "$GIT_MINIMUM_VERSION" ||
222 die
"git version >= $GIT_MINIMUM_VERSION required but found $git_version instead"
225 case "$1" in version|
--version|
-V)
226 echo "TopGit version $TG_VERSION"
230 [ $# -eq 1 ] && [ "$1" = "--make-empty-blob" ] || precheck
231 [ $# -ne 1 ] ||
[ "$1" != "precheck" ] ||
exit 0
233 cat_depsmsg_internal
()
235 _rev
="$(ref_exists_rev "refs
/heads
/$1")" ||
return 0
236 if [ -s "$tg_cache_dir/refs/heads/$1/.$2" ]; then
237 if read _rev_match
&& [ "$_rev" = "$_rev_match" ]; then
239 while IFS
= read -r _line ||
[ -n "$_line" ]; do
240 printf '%s\n' "$_line"
243 fi <"$tg_cache_dir/refs/heads/$1/.$2"
245 [ -d "$tg_cache_dir/refs/heads/$1" ] || mkdir
-p "$tg_cache_dir/refs/heads/$1" 2>/dev
/null ||
:
246 if [ -d "$tg_cache_dir/refs/heads/$1" ]; then
247 printf '%s\n' "$_rev" >"$tg_cache_dir/refs/heads/$1/.$2"
249 git cat-file blob
"$_rev:.$2" 2>/dev
/null |
250 while IFS
= read -r _line ||
[ -n "$_line" ]; do
251 printf '%s\n' "$_line" >&3
252 printf '%s\n' "$_line"
253 done 3>>"$tg_cache_dir/refs/heads/$1/.$2"
255 git cat-file blob
"$_rev:.$2" 2>/dev
/null
259 # cat_deps BRANCHNAME
263 cat_depsmsg_internal
"$1" topdeps
270 cat_depsmsg_internal
"$1" topmsg
273 # cat_file TOPIC:PATH [FROM]
274 # cat the file PATH from branch TOPIC when FROM is empty.
275 # FROM can be -i or -w, than the file will be from the index or worktree,
276 # respectively. The caller should than ensure that HEAD is TOPIC, to make sense.
282 cat "$root_dir/${path#*:}"
285 # ':file' means cat from index
286 git cat-file blob
":${path#*:}" 2>/dev
/null
290 refs
/heads
/*:.topdeps
)
291 _temp
="${path%:.topdeps}"
292 cat_deps
"${_temp#refs/heads/}"
294 refs
/heads
/*:.topmsg
)
295 _temp
="${path%:.topmsg}"
296 cat_msg
"${_temp#refs/heads/}"
299 git cat-file blob
"$path" 2>/dev
/null
304 die
"Wrong argument to cat_file: '$2'"
309 # if use_alt_temp_odb and tg_use_alt_odb are true try to write the object(s)
310 # into the temporary alt odb area instead of the usual location
311 git_temp_alt_odb_cmd
()
313 if [ -n "$use_alt_temp_odb" ] && [ -n "$tg_use_alt_odb" ] &&
314 [ -n "$TG_OBJECT_DIRECTORY" ] &&
315 [ -f "$TG_OBJECT_DIRECTORY/info/alternates" ]; then
317 GIT_ALTERNATE_OBJECT_DIRECTORIES
="$TG_PRESERVED_ALTERNATES"
318 GIT_OBJECT_DIRECTORY
="$TG_OBJECT_DIRECTORY"
319 unset_ TG_OBJECT_DIRECTORY TG_PRESERVED_ALTERNATES
320 export GIT_ALTERNATE_OBJECT_DIRECTORIES GIT_OBJECT_DIRECTORY
328 git_write_tree
() { git_temp_alt_odb_cmd write-tree
"$@"; }
329 git_mktree
() { git_temp_alt_odb_cmd mktree
"$@"; }
334 git_temp_alt_odb_cmd hash-object
-t blob
-w --stdin </dev
/null
>/dev
/null
2>&1
336 # short-circuit this for speed
337 [ $# -eq 1 ] && [ "$1" = "--make-empty-blob" ] && { make_mtblob ||
:; exit 0; }
339 # get tree for the committed topic
345 # get tree for the base
348 echo "refs/$topbases/$1"
351 # get tree for the index
357 # get tree for the worktree
360 i_tree
=$
(git_write_tree
)
362 # the file for --index-output needs to sit next to the
365 : ${GIT_INDEX_FILE:="$git_dir/index"}
366 TMP_INDEX
="$(mktemp "${GIT_INDEX_FILE}-tg.XXXXXX
")"
367 git read-tree
-m $i_tree --index-output="$TMP_INDEX" &&
368 GIT_INDEX_FILE
="$TMP_INDEX" &&
369 export GIT_INDEX_FILE
&&
370 git
diff --name-only -z HEAD |
371 git update-index
-z --add --remove --stdin &&
377 # get tree for arbitrary ref
383 # strip_ref "$(git symbolic-ref HEAD)"
384 # Output will have a leading refs/heads/ or refs/$topbases/ stripped if present
389 echol
"${1#refs/$topbases/}"
392 echol
"${1#refs/heads/}"
399 # pretty_tree [-t] NAME [-b | -i | -w | -r]
400 # Output tree ID of a cleaned-up tree without tg's artifacts.
401 # NAME will be ignored for -i and -w, but needs to be present
402 # With -r NAME must be a full ref name to a treeish (it's used as-is)
403 # If -t is used the tree is written into the alternate temporary objects area
407 [ "$1" != "-t" ] ||
{ shift; use_alt_temp_odb
=1; }
410 git ls-tree
--full-tree "$(get_tree_$source "$name")" |
411 sed -ne '/ \.top.*$/!p' |
415 # return an empty-tree root commit -- date is either passed in or current
416 # If passed in "$*" must be epochsecs followed by optional hhmm offset (+0000 default)
417 # An invalid secs causes the current date to be used, an invalid zone offset
418 # causes +0000 to be used
421 # the empty tree is guaranteed to always be there even in a repo with
422 # zero objects, but for completeness we force it to exist as a real object
424 read -r SECS ZONE JUNK
<<-EOT || :
427 case "$SECS" in *[!0-9]*) SECS
=; esac
428 if [ -z "$SECS" ]; then
429 MTDATE
="$(date '+%s %z')"
432 -[01][0-9][0-5][0-9]|
+[01][0-9][0-5][0-9])
442 EMPTYID
="- <-> $MTDATE"
443 EMPTYTREE
="$(git hash-object -t tree -w --stdin < /dev/null)"
444 printf '%s\n' "tree $EMPTYTREE" "author $EMPTYID" "committer $EMPTYID" '' |
445 git hash-object
-t commit
-w --stdin
448 # standard input is a diff
449 # standard output is the "+" lines with leading "+ " removed
450 # beware that old lines followed by the dreaded '\ No newline at end of file'
451 # will appear to be new lines if lines are added after them
452 # the git diff --ignore-space-at-eol option can be used to prevent this
456 BEGIN { in_hunk = 0; }
457 /^@@ / { in_hunk = 1; }
458 /^\+/ { if (in_hunk == 1) printf("%s\n", substr($0, 2)); }
459 !/^\\ No newline at end of file/ &&
460 /^[^@ +-]/ { in_hunk = 0; }
464 # $1 is name of new branch to create locally if all of these are true:
465 # a) exists as a remote TopGit branch for "$base_remote"
466 # b) the branch "name" does not have any invalid characters in it
467 # c) neither of the two branch refs (branch or base) exist locally
468 # returns success only if a new local branch was created (and dumps message)
469 auto_create_local_remote
()
471 case "$1" in ""|
*[" $tab$lf~^:\\*?["]*|.
*|
*/.
*|
*.|
*.
/|
/*|
*/|
*//*) return 1; esac
472 [ -n "$base_remote" ] &&
473 git update-ref
--stdin <<-EOT >/dev/null 2>&1 &&
474 verify refs/remotes/$base_remote/${topbases#heads/}/$1 refs/remotes/$base_remote/${topbases#heads/}/$1
475 verify refs/remotes/$base_remote/$1 refs/remotes/$base_remote/$1
476 create refs/$topbases/$1 refs/remotes/$base_remote/${topbases#heads/}/$1^0
477 create refs/heads/$1 refs/remotes/$base_remote/$1^0
479 { init_reflog
"refs/$topbases/$1" ||
:; } &&
480 info
"topic branch '$1' automatically set up from remote '$base_remote'"
486 setup_git_dir_is_bare
487 [ -z "$git_dir_is_bare" ] ||
return 0
489 hook_call
="\"\$(\"$tgname\" --hooks-path)\"/$1 \"\$@\""
490 if [ -f "$git_hooks_dir/$1" ] && grep -Fq "$hook_call" "$git_hooks_dir/$1"; then
491 # Another job well done!
494 # Prepare incantation
496 if [ -s "$git_hooks_dir/$1" -a -x "$git_hooks_dir/$1" ]; then
497 hook_call
="$hook_call"' || exit $?'
498 if [ -L "$git_hooks_dir/$1" ] ||
! sed -n 1p
<"$git_hooks_dir/$1" |
grep -Fqx "#!@SHELL_PATH@"; then
500 while [ -e "$git_hooks_dir/$1-chain$chain_num" ]; do
501 chain_num
=$
(( $chain_num + 1 ))
503 mv -f "$git_hooks_dir/$1" "$git_hooks_dir/$1-chain$chain_num"
507 hook_call
="exec $hook_call"
508 [ -d "$git_hooks_dir" ] || mkdir
-p "$git_hooks_dir" ||
:
510 # Don't call hook if tg is not installed
511 hook_call
="if command -v \"$tgname\" >/dev/null 2>&1; then $hook_call; fi"
512 # Insert call into the hook
514 echol
"#!@SHELL_PATH@"
516 if [ -n "$hook_chain" ]; then
517 echol
"exec \"\$0-chain$chain_num\" \"\$@\""
519 [ ! -s "$git_hooks_dir/$1" ] ||
cat "$git_hooks_dir/$1"
521 } >"$git_hooks_dir/$1+"
522 chmod a
+x
"$git_hooks_dir/$1+"
523 mv "$git_hooks_dir/$1+" "$git_hooks_dir/$1"
526 # setup_ours (no arguments)
529 setup_git_dir_is_bare
530 [ -z "$git_dir_is_bare" ] ||
return 0
531 if [ ! -s "$git_common_dir/info/attributes" ] ||
! grep -q topmsg
"$git_common_dir/info/attributes"; then
532 [ -d "$git_common_dir/info" ] || mkdir
"$git_common_dir/info"
534 echo ".topmsg merge=ours"
535 echo ".topdeps merge=ours"
536 } >>"$git_common_dir/info/attributes"
538 if ! git config merge.ours.driver
>/dev
/null
; then
539 git config merge.ours.name
'"always keep ours" merge driver'
540 git config merge.ours.driver
'touch %A'
544 # measure_branch NAME [BASE] [EXTRAHEAD...]
547 _bname
="$1"; _base
="$2"
549 [ -n "$_base" ] || _base
="refs/$topbases/$(strip_ref "$_bname")"
550 # The caller should've verified $name is valid
551 _commits
="$(git rev-list --count "$_bname" "$@
" ^"$_base" --)"
552 _nmcommits
="$(git rev-list --count --no-merges "$_bname" "$@
" ^"$_base" --)"
553 if [ $_commits -ne 1 ]; then
558 echo "$_commits/$_nmcommits $_suffix"
561 # true if $1 is contained by (or the same as) $2
562 # this is never slower than merge-base --is-ancestor and is often slightly faster
565 [ "$(git rev-list --count --max-count=1 "$1" --not "$2" --)" = "0" ]
568 # branch_contains B1 B2
569 # Whether B1 is a superset of B2.
572 _revb1
="$(ref_exists_rev "$1")" ||
return 0
573 _revb2
="$(ref_exists_rev "$2")" ||
return 0
574 if [ -s "$tg_cache_dir/$1/.bc/$2/.d" ]; then
575 if read _result _rev_matchb1 _rev_matchb2
&&
576 [ "$_revb1" = "$_rev_matchb1" -a "$_revb2" = "$_rev_matchb2" ]; then
578 fi <"$tg_cache_dir/$1/.bc/$2/.d"
580 [ -d "$tg_cache_dir/$1/.bc/$2" ] || mkdir
-p "$tg_cache_dir/$1/.bc/$2" 2>/dev
/null ||
:
582 contained_by
"$_revb2" "$_revb1" || _result
=1
583 if [ -d "$tg_cache_dir/$1/.bc/$2" ]; then
584 echo "$_result" "$_revb1" "$_revb2" >"$tg_cache_dir/$1/.bc/$2/.d"
591 [ ! -s "$tg_tmp_dir/tg~ref-dirs-created" -a -s "$tg_ref_cache" ] ||
return 0
592 mkdir
-p "$tg_tmp_dir/cached/refs"
593 awk '{x = $1; sub(/^refs\//, "", x); if (x != "") print x}' <"$tg_ref_cache" |
tr '\n' '\0' |
{
594 cd "$tg_tmp_dir/cached/refs" &&
597 awk -v p
="$tg_tmp_dir/cached/" '
600 $2 ~ /^[0-9a-fA-F][0-9a-fA-F][0-9a-fA-F][0-9a-fA-F]+$/ {
606 echo 1 >"$tg_tmp_dir/tg~ref-dirs-created"
609 # If the first argument is non-empty, stores "1" there if this call created the cache
612 [ -n "$tg_ref_cache" -a ! -s "$tg_ref_cache" ] ||
return 0
614 [ -z "$base_remote" ] || _remotespec
="refs/remotes/$base_remote"
615 [ -z "$1" ] ||
eval "$1=1"
616 git for-each-ref
--format='%(refname) %(objectname)' \
617 refs
/heads
"refs/$topbases" $_remotespec >"$tg_ref_cache"
623 [ -n "$tg_ref_cache" -a -s "$tg_ref_cache" ] ||
return 0
631 # setting tg_ref_cache_only to non-empty will force non-$tg_ref_cache lookups to fail
635 if [ -n "$tg_ref_cache" -a -s "$tg_ref_cache" ]; then
637 awk -v r
="$1" 'BEGIN {e=1}; $1 == r {print $2; e=0; exit}; END {exit e}' <"$tg_ref_cache" ||
640 [ $rev_parse_code_ -ne 0 ] && [ -z "$tg_ref_cache_only" ] ||
return $rev_parse_code_
641 git rev-parse
--quiet --verify "$1^0" -- 2>/dev
/null
645 # Whether REF is a valid ref name
646 # REF must be fully qualified and start with refs/heads/, refs/$topbases/
647 # or, if $base_remote is set, refs/remotes/$base_remote/
648 # Caches result if $tg_read_only and outputs HASH on success
658 die
"ref_exists_rev requires fully-qualified ref name (given: $1)"
660 [ -n "$tg_read_only" ] ||
{ git rev-parse
--quiet --verify "$1^0" -- 2>/dev
/null
; return; }
663 { read -r _result _result_rev
<"$tg_tmp_dir/cached/$1/.ref"; } 2>/dev
/null ||
:
664 [ -z "$_result" ] ||
{ printf '%s' "$_result_rev"; return $_result; }
666 _result_rev
="$(rev_parse "$1")" || _result
=$?
667 [ -d "$tg_tmp_dir/cached/$1" ] || mkdir
-p "$tg_tmp_dir/cached/$1" 2>/dev
/null
668 [ ! -d "$tg_tmp_dir/cached/$1" ] ||
669 echo $_result $_result_rev >"$tg_tmp_dir/cached/$1/.ref" 2>/dev
/null ||
:
670 printf '%s' "$_result_rev"
674 # Same as ref_exists_rev but output is abbreviated hash
675 # Optional second argument defaults to --short but may be any --short=.../--no-short option
676 ref_exists_rev_short
()
684 die
"ref_exists_rev_short requires fully-qualified ref name"
686 [ -n "$tg_read_only" ] ||
{ git rev-parse
--quiet --verify ${2:---short} "$1^0" -- 2>/dev
/null
; return; }
689 { read -r _result _result_rev
<"$tg_tmp_dir/cached/$1/.rfs"; } 2>/dev
/null ||
:
690 [ -z "$_result" ] ||
{ printf '%s' "$_result_rev"; return $_result; }
692 _result_rev
="$(rev_parse "$1")" || _result
=$?
693 if [ $_result -eq 0 ]; then
694 _result_rev
="$(git rev-parse --verify ${2:---short} --quiet "$_result_rev^
0" --)"
697 [ -d "$tg_tmp_dir/cached/$1" ] || mkdir
-p "$tg_tmp_dir/cached/$1" 2>/dev
/null
698 [ ! -d "$tg_tmp_dir/cached/$1" ] ||
699 echo $_result $_result_rev >"$tg_tmp_dir/cached/$1/.rfs" 2>/dev
/null ||
:
700 printf '%s' "$_result_rev"
705 # Whether REF is a valid ref name
706 # REF must be fully qualified and start with refs/heads/, refs/$topbases/
707 # or, if $base_remote is set, refs/remotes/$base_remote/
711 ref_exists_rev
"$1" >/dev
/null
715 # Runs git rev-parse REF^{tree}
716 # Caches result if $tg_read_only
719 [ -n "$tg_read_only" ] ||
{ git rev-parse
--verify "$1^{tree}" -- 2>/dev
/null
; return; }
720 if [ -f "$tg_tmp_dir/cached/$1/.rpt" ]; then
721 if IFS
= read -r _result
<"$tg_tmp_dir/cached/$1/.rpt"; then
722 printf '%s\n' "$_result"
727 [ -d "$tg_tmp_dir/cached/$1" ] || mkdir
-p "$tg_tmp_dir/cached/$1" 2>/dev
/null ||
:
728 if [ -d "$tg_tmp_dir/cached/$1" ]; then
729 git rev-parse
--verify "$1^{tree}" -- >"$tg_tmp_dir/cached/$1/.rpt" 2>/dev
/null ||
:
730 if IFS
= read -r _result
<"$tg_tmp_dir/cached/$1/.rpt"; then
731 printf '%s\n' "$_result"
736 git rev-parse
--verify "$1^{tree}" -- 2>/dev
/null
740 # Whether BRANCH has a remote equivalent (accepts ${topbases#heads/}/ too)
743 [ -n "$base_remote" ] && ref_exists
"refs/remotes/$base_remote/$1"
746 # Return the verified TopGit branch name for "$2" in "$1" or die with an error.
747 # If -z "$1" still set return code but do not return result
748 # As a convenience, if HEAD or @ is given and HEAD is a symbolic ref to
749 # refs/heads/... then ... will be verified instead.
750 # if "$3" = "-f" (for fail) then return an error rather than dying.
751 v_verify_topgit_branch
()
753 if [ "$2" = "HEAD" ] ||
[ "$2" = "@" ]; then
754 _verifyname
="$(git symbolic-ref HEAD 2>/dev/null)" ||
:
755 [ -n "$_verifyname" -o "$3" = "-f" ] || die
"HEAD is not a symbolic ref"
756 case "$_verifyname" in refs
/"$topbases"/*|refs
/heads
/*);;*)
757 [ "$3" != "-f" ] ||
return 1
758 die
"HEAD is not a symbolic ref to the refs/heads namespace"
760 set -- "$1" "$_verifyname" "$3"
764 _verifyname
="${2#refs/$topbases/}"
767 _verifyname
="${2#refs/heads/}"
773 if ! ref_exists
"refs/heads/$_verifyname"; then
774 [ "$3" != "-f" ] ||
return 1
775 die
"no such branch: $_verifyname"
777 if ! ref_exists
"refs/$topbases/$_verifyname"; then
778 [ "$3" != "-f" ] ||
return 1
779 die
"not a TopGit-controlled branch: $_verifyname"
781 [ -z "$1" ] ||
eval "$1="'"$_verifyname"'
784 # Return the verified TopGit branch name or die with an error.
785 # As a convenience, if HEAD or @ is given and HEAD is a symbolic ref to
786 # refs/heads/... then ... will be verified instead.
787 # if "$2" = "-f" (for fail) then return an error rather than dying.
788 verify_topgit_branch
()
790 v_verify_topgit_branch _verifyname
"$@" ||
return
791 printf '%s' "$_verifyname"
795 # $1 = branch name (i.e. "t/foo/bar")
796 # $2 = optional result of rev-parse "refs/heads/$1"
797 # $3 = optional result of rev-parse "refs/$topbases/$1"
801 _rev
="${2:-$(ref_exists_rev "refs/heads/$_branch_name")}"
802 _rev_base
="${3:-$(ref_exists_rev "refs/$topbases/$_branch_name")}"
807 { read -r _result _result_rev _result_rev_base
<"$tg_cache_dir/refs/heads/$_branch_name/.ann"; } 2>/dev
/null ||
:
808 [ -z "$_result" -o "$_result_rev" != "$_rev" -o "$_result_rev_base" != "$_rev_base" ] ||
return $_result
810 # use the merge base in case the base is ahead.
811 mb
="$(git merge-base "$_rev_base" "$_rev" 2>/dev/null)"
813 test -z "$mb" ||
test "$(rev_parse_tree "$mb")" = "$(rev_parse_tree "$_rev")"
815 [ -d "$tg_cache_dir/refs/heads/$_branch_name" ] || mkdir
-p "$tg_cache_dir/refs/heads/$_branch_name" 2>/dev
/null
816 [ ! -d "$tg_cache_dir/refs/heads/$_branch_name" ] ||
817 echo $_result $_rev $_rev_base >"$tg_cache_dir/refs/heads/$_branch_name/.ann" 2>/dev
/null ||
:
821 non_annihilated_branches
()
823 refscacheopt
="${TG_DEBUG:+-p=\"\$tg_ref_cache.pre\" }"
824 if [ -n "$tg_read_only" ] && [ -n "$tg_ref_cache" ] && [ -s "$tg_ref_cache" ]; then
825 refscacheopt
="$refscacheopt"'-r="$tg_ref_cache" "refs/$topbases"'
827 eval run_awk_topgit_branches
-n "$refscacheopt" '"refs/$topbases" "$@"'
830 # Make sure our tree is clean
831 # if optional "$1" given also verify that a checkout to "$1" would succeed
835 [ -z "$tg_state$git_state" ] ||
{ do_status
; exit 1; }
836 git update-index
--ignore-submodules --refresh ||
837 die
"the working directory has uncommitted changes (see above) - first commit or reset them"
838 [ -z "$(git diff-index --cached --name-status -r --ignore-submodules HEAD --)" ] ||
839 die
"the index has uncommited changes"
840 [ -z "$1" ] || git read-tree
-n -u -m "$1" ||
841 die
"git checkout \"$1\" would fail"
844 # Make sure .topdeps and .topmsg are "clean"
845 # They are considered "clean" if each is identical in worktree, index and HEAD
846 # With "-u" as the argument skip the HEAD check (-u => unborn)
847 # untracked .topdeps and/or .topmsg files are always considered "dirty" as well
848 # with -u them just existing constitutes "dirty"
849 ensure_clean_topfiles
()
854 _check
="$(git diff-files --ignore-submodules --name-only -- :/.topdeps :/.topmsg)" &&
855 [ -z "$_check" ] || _dirtw
=1
856 if [ "$1" != "-u" ]; then
857 _check
="$(git diff-index --cached --ignore-submodules --name-only HEAD -- :/.topdeps :/.topmsg)" &&
858 [ -z "$_check" ] || _dirti
=1
860 if [ "$_dirti$_dirtw" = "00" ]; then
862 if [ -e "${git_cdup_result}.topdeps" ] ||
[ -e "${git_cdup_result}.topmsg" ]; then
864 _check
="$(git status --porcelain --ignored --untracked-files --ignore-submodules -- :/.topdeps :/.topmsg)" &&
865 [ -z "$_check" ] || _dirtu
=1
868 if [ "$_dirtu$_dirti$_dirtw" != "000" ]; then
869 git status
--ignored --untracked-files --ignore-submodules -- :/.topdeps
:/.topmsg ||
:
870 case "$_dirtu$_dirti$_dirtw" in
871 001) die
"the working directory has uncommitted changes (see above) - first commit or reset them";;
872 010) die
"the index has uncommited changes (see above)";;
873 011) die
"the working directory and index have uncommitted changes (see above) - first commit or reset them";;
874 100) die
"the working directory has untracked files that would be overwritten (see above)";;
880 # Whether REF is a SHA1 (compared to a symbolic name).
883 case "$1" in $octet20) return 0;; esac
887 # navigate_deps <run_awk_topgit_navigate options and arguments>
888 # all options and arguments are passed through to run_awk_topgit_navigate
889 # except for a leading -td= option, if any, which is picked off for deps
890 # after arranging to feed it a suitable deps list
897 ratd_opts
="${TG_DEBUG:+-p=\"\$tg_ref_cache.pre\" }"
899 if [ -n "$tg_read_only" ] && [ -n "$tg_ref_cache" ]; then
901 tmprfs
="$tg_ref_cache"
902 tmptgbr
="$tg_ref_cache_br"
903 tmpann
="$tg_ref_cache_ann"
904 tmpdep
="$tg_ref_cache_dep"
905 [ -s "$tg_ref_cache" ] || dogfer
=1
906 [ -n "$dogfer" ] ||
! [ -s "$tmptgbr" ] ||
! [ -f "$tmpann" ] ||
! [ -s "$tmpdep" ] || dorad
=
908 ratd_opts
="${ratd_opts}-rmr"
909 ratn_opts
="-rma -rmb"
910 tmprfs
="$tg_tmp_dir/refs.$$"
911 tmpann
="$tg_tmp_dir/ann.$$"
912 tmptgbr
="$tg_tmp_dir/tgbr.$$"
915 refpats
="\"refs/heads\" \"refs/\$topbases\""
916 [ -z "$base_remote" ] || refpats
="$refpats \"refs/remotes/\$base_remote\""
918 eval git for-each-ref
'--format="%(refname) %(objectname)"' "$refpats" >"$tmprfs"
919 depscmd
="run_awk_topgit_deps $ratd_opts"
922 depscmd
="$depscmd $1"
925 depscmd
="$depscmd"' -a="$tmpann" -b="$tmptgbr" -r="$tmprfs" -s "refs/$topbases"'
926 if [ -n "$userc" ]; then
927 if [ -n "$dorad" ]; then
928 eval "$depscmd" >"$tmpdep"
930 depscmd
='<"$tmpdep" '
934 eval "$depscmd" run_awk_topgit_navigate
'-a="$tmpann" -b="$tmptgbr"' "$ratn_opts" '"$@"'
937 # recurse_deps_internal NAME [BRANCHPATH...]
938 # get recursive list of dependencies with leading 0 if branch exists 1 if missing
939 # followed by a 1 if the branch is "tgish" (2 if it also has a remote); 0 if not
940 # followed by a 0 for a non-leaf, 1 for a leaf or 2 for annihilated tgish
941 # (but missing and remotes are always "0")
942 # followed by a 0 for no excess visits or a positive number of excess visits
943 # then the branch name followed by its depedency chain (which might be empty)
944 # An output line might look like this:
945 # 0 1 1 0 t/foo/leaf t/foo/int t/stage
946 # If no_remotes is non-empty, exclude remotes
947 # If recurse_preorder is non-empty, do a preorder rather than postorder traversal
948 # If with_top_level is non-empty, include the top-level that's normally omitted
949 # any branch names in the space-separated recurse_deps_exclude variable
950 # are skipped (along with their dependencies)
951 recurse_deps_internal
()
953 case " $recurse_deps_exclude " in *" $1 "*) return 0; esac
954 ratr_opts
="${recurse_preorder:+-f} ${with_top_level:+-s}"
959 if [ -n "$tg_read_only" ] && [ -n "$tg_ref_cache" ]; then
961 tmprfs
="$tg_ref_cache"
962 tmptgbr
="$tg_ref_cache_br"
963 tmpann
="$tg_ref_cache_ann"
964 tmpdep
="$tg_ref_cache_dep"
965 [ -s "$tg_ref_cache" ] || dogfer
=1
966 [ -n "$dogfer" ] ||
! [ -s "$tmptgbr" ] ||
! [ -f "$tmpann" ] ||
! [ -s "$tmpdep" ] || dorad
=
968 ratr_opts
="$ratr_opts -rmh -rma -rmb"
969 tmprfs
="$tg_tmp_dir/refs.$$"
970 tmpann
="$tg_tmp_dir/ann.$$"
971 tmptgbr
="$tg_tmp_dir/tgbr.$$"
974 refpats
="\"refs/heads\" \"refs/\$topbases\""
975 [ -z "$base_remote" ] || refpats
="$refpats \"refs/remotes/\$base_remote\""
978 if [ -z "$no_remotes" ] && [ -n "$base_remote" ]; then
979 if [ -n "$userc" ]; then
980 tmptgrmtbr
="$tg_ref_cache_rbr"
981 [ -n "$dogfer" ] ||
! [ -s "$tmptgrmtbr" ] || dorab
=
983 tmptgrmtbr
="$tg_tmp_dir/tgrmtbr.$$"
984 ratr_opts
="$ratr_opts -rmr"
986 ratr_opts
="$ratr_opts -r=\"\$tmptgrmtbr\" -u=\":refs/remotes/\$base_remote/\${topbases#heads/}\""
989 eval git for-each-ref
'--format="%(refname) %(objectname)"' "$refpats" >"$tmprfs"
990 if [ -n "$tmptgrmtbr" ] && [ -n "$dorab" ]; then
991 run_awk_topgit_branches
-n -h="refs/remotes/$base_remote" -r="$tmprfs" \
992 "refs/remotes/$base_remote/${topbases#heads/}" >"$tmptgrmtbr"
994 depscmd
="run_awk_topgit_deps -s${TG_DEBUG:+ -p=\"\$tg_ref_cache.pre\"}"
995 depscmd
="$depscmd"' -a="$tmpann" -b="$tmptgbr" -r="$tmprfs" "refs/$topbases"'
996 if [ -n "$userc" ]; then
997 if [ -n "$dorad" ]; then
998 eval "$depscmd" >"$tmpdep"
1000 depscmd
='<"$tmpdep" '
1002 depscmd
="$depscmd |"
1004 eval "$depscmd" run_awk_topgit_recurse
'-a="$tmpann" -b="$tmptgbr"' \
1005 '-c=1 -h="$tmprfs"' "$ratr_opts" '-x="$recurse_deps_exclude"' '"$@"'
1009 # helper for recurse_deps so that a return statement executed inside CMD
1010 # does not return from recurse_deps. This shouldn't be necessary, but it
1011 # seems that it actually is.
1017 # becomes read-only for caching purposes
1018 # assigns new value to tg_read_only
1019 # become_cacheable/undo_become_cacheable calls may be nested
1022 _old_tg_read_only
="$tg_read_only"
1023 if [ -z "$tg_read_only" ]; then
1024 ! [ -e "$tg_tmp_dir/cached" ] && ! [ -e "$tg_tmp_dir/tg~ref-dirs-created" ] ||
1025 rm -rf "$tg_tmp_dir/cached" "$tg_tmp_dir/tg~ref-dirs-created"
1029 v_create_ref_cache _my_ref_cache
1030 _my_ref_cache
="${_my_ref_cache:+1}"
1031 tg_read_only
="undo${_my_ref_cache:-0}-$_old_tg_read_only"
1034 # restores tg_read_only and ref_cache to state before become_cacheable call
1035 # become_cacheable/undo_bocome_cacheable calls may be nested
1036 undo_become_cacheable
()
1038 case "$tg_read_only" in
1040 _suffix
="${tg_read_only#undo?-}"
1041 [ "${tg_read_only%$_suffix}" = "undo0-" ] || remove_ref_cache
1042 tg_read_only
="$_suffix"
1046 # just call this, no undo, sets tg_read_only= and removes ref cache and cached results
1047 become_non_cacheable
()
1051 ! [ -e "$tg_tmp_dir/cached" ] && ! [ -e "$tg_tmp_dir/tg~ref-dirs-created" ] ||
1052 rm -rf "$tg_tmp_dir/cached" "$tg_tmp_dir/tg~ref-dirs-created"
1055 # call this to make sure the current Git repository has an associated work tree
1056 # also make sure we are not in wayback mode
1059 [ -z "$wayback" ] ||
1060 die
"the wayback machine cannot be used with the specified options"
1061 setup_git_dir_is_bare
1062 [ -n "$git_dir_is_bare" ] ||
return 0
1063 die
"This operation must be run in a work tree"
1066 # call this to make sure Git will not complain about a missing user/email
1067 # result is cached in TG_IDENT_CHECKED and a non-empty value suppresses the check
1068 ensure_ident_available
()
1070 [ -z "$TG_IDENT_CHECKED" ] ||
return 0
1071 git var GIT_AUTHOR_IDENT
>/dev
/null
&&
1072 git var GIT_COMMITTER_IDENT
>/dev
/null ||
exit
1074 export TG_IDENT_CHECKED
1078 # recurse_deps [-o=<options string>] CMD NAME [BRANCHPATH...]
1079 # Recursively eval CMD on all dependencies of NAME.
1080 # Dependencies are visited in topological order.
1081 # If <options string> is given, it's eval'd into the recurse_deps_internal
1082 # call just before the "--" that's passed just before NAME
1083 # CMD can refer to the following variables:
1085 # _ret starts as 0; CMD can change; will be final return result
1086 # _dep bare branch name or ":refs/remotes/..." for a remote
1087 # _name has $_dep in its .topdeps ("" for top and $with_top_level)
1088 # _depchain 0+ space-sep branch names (_name first) form a path to top
1089 # _dep_missing boolean "1" if no such $_dep ref; "" if ref present
1090 # _dep_is_leaf boolean "1" if leaf; "" if not
1091 # _dep_is_tgish boolean "1" if tgish; "" if not (which implies no remote)
1092 # _dep_has_remote boolean "1" if $_dep has_remote; "" if not
1093 # _dep_annihilated boolean "1" if $_dep annihilated; "" if not
1094 # _dep_xvisits non-negative integer number of excess visits (often 0)
1096 # CMD may use a "return" statement without issue; its return value is ignored,
1097 # but if CMD sets _ret to a negative value, e.g. "-0" or "-1" the enumeration
1098 # will stop immediately and the value with the leading "-" stripped off will
1099 # be the final result code
1101 # CMD can refer to $_name for queried branch name,
1102 # $_dep for dependency name,
1103 # $_depchain for space-seperated branch backtrace,
1104 # $_dep_missing boolean to check whether $_dep is present
1105 # and the $_dep_is_tgish and $_dep_annihilated booleans.
1106 # If recurse_preorder is NOT set then the $_dep_is_leaf boolean is also valid.
1107 # It can modify $_ret to affect the return value
1108 # of the whole function.
1109 # If recurse_deps() hits missing dependencies, it will append
1110 # them to space-separated $missing_deps list and skip them
1111 # after calling CMD with _dep_missing set.
1112 # remote dependencies are processed if no_remotes is unset.
1113 # any branch names in the space-separated recurse_deps_exclude variable
1114 # are skipped (along with their dependencies)
1116 # If no_remotes is non-empty, exclude remotes
1117 # If recurse_preorder is non-empty, do a preorder rather than postorder traversal
1118 # If with_top_level is non-empty, include the top-level that's normally omitted
1119 # any branch names in the space-separated recurse_deps_exclude variable
1120 # are skipped (along with their dependencies)
1124 case "$1" in -o=*) _opts
="${1#-o=}"; shift; esac
1127 _depsfile
="$(get_temp tg-depsfile)"
1128 eval recurse_deps_internal
"$_opts" -- '"$@"' >"$_depsfile" ||
:
1131 while read _ismissing _istgish _isleaf _dep_xvisits _dep _name _deppath
; do
1132 _depchain
="$_name${_deppath:+ $_deppath}"
1134 [ "$_istgish" = "0" ] || _dep_is_tgish
=1
1136 [ "$_istgish" != "2" ] || _dep_has_remote
=1
1138 if [ "$_ismissing" != "0" ]; then
1140 case " $missing_deps " in *" $_dep "*);;*)
1141 missing_deps
="${missing_deps:+$missing_deps }$_dep"
1146 if [ "$_isleaf" = "1" ]; then
1148 elif [ "$_isleaf" = "2" ]; then
1151 do_eval
"$_cmd" ||
:
1152 if [ "${_ret#-}" != "$_ret" ]; then
1162 # output (one per line) the unique leaves of NAME
1164 # 1) a non-tgish dependency
1165 # 2) the base of a tgish dependency with no non-annihilated dependencies
1166 # duplicates are suppressed (by commit rev) and remotes are always ignored
1167 # if a leaf has an exact tag match that will be output
1168 # note that recurse_deps_exclude IS honored for this operation
1176 while read _ismissing _istgish _isleaf _dep _name _deppath
; do
1177 [ "$_isleaf" = "1" ] && [ "$_ismissing" = "0" ] ||
continue
1178 if [ "$_istgish" != "0" ]; then
1179 fulldep
="refs/$topbases/$_dep"
1181 fulldep
="refs/heads/$_dep"
1183 case " $seen_leaf_refs " in *" $fulldep "*);;*)
1184 seen_leaf_refs
="${seen_leaf_refs:+$seen_leaf_refs }$fulldep"
1185 if fullrev
="$(ref_exists_rev "$fulldep")"; then
1186 case " $seen_leaf_revs " in *" $fullrev "*);;*)
1187 seen_leaf_revs
="${seen_leaf_revs:+$seen_leaf_revs }$fullrev"
1188 # See if Git knows it by another name
1189 if tagname
="$(git describe --exact-match "$fullrev" 2>/dev/null)" && [ -n "$tagname" ]; then
1190 echo "refs/tags/$tagname"
1198 $(recurse_deps_internal -l -o=1 -- "$1")
1203 # branch_needs_update
1204 # This is a helper function for determining whether given branch
1205 # is up-to-date wrt. its dependencies. It expects input as if it
1206 # is called as a recurse_deps() helper.
1207 # In case the branch does need update, it will echo it together
1208 # with the branch backtrace on the output (see needs_update()
1209 # description for details) and set $_ret to non-zero.
1210 branch_needs_update
()
1212 if [ -n "$_dep_missing" ]; then
1213 echo "! $_dep $_depchain"
1217 if [ -n "$_dep_is_tgish" ]; then
1218 [ -z "$_dep_annihilated" ] ||
return 0
1220 if [ -n "$_dep_has_remote" ]; then
1221 branch_contains
"refs/heads/$_dep" "refs/remotes/$base_remote/$_dep" ||
{
1222 echo ":refs/remotes/$base_remote/$_dep $_dep $_depchain"
1226 # We want to sync with our base first and should output this before
1227 # the remote branch, but the order does not actually matter to tg-update
1228 # as it just recurses regardless, but it does matter for tg-info (which
1229 # treats out-of-date bases as though they were already merged in) so
1230 # we output the remote before the base.
1231 branch_contains
"refs/heads/$_dep" "refs/$topbases/$_dep" ||
{
1232 echo ": $_dep $_depchain"
1238 if [ -n "$_name" ]; then
1239 case "$_dep" in :*) _fulldep
="${_dep#:}";; *) _fulldep
="refs/heads/$_dep";; esac
1240 if ! branch_contains
"refs/$topbases/$_name" "$_fulldep"; then
1241 # Some new commits in _dep
1242 echo "$_dep $_depchain"
1249 # This function is recursive; it outputs reverse path from NAME
1250 # to the branch (e.g. B_DIRTY B1 B2 NAME), one path per line,
1251 # inner paths first. Innermost name can be :refs/remotes/<remote>/<name>
1252 # if the head is not in sync with the <remote> branch <name>, ':' if
1253 # the head is not in sync with the base (in this order of priority)
1254 # or '!' if dependency is missing. Note that the remote branch, base
1255 # order is reversed from the order they will actually be updated in
1256 # order to accomodate tg info which treats out-of-date items that are
1257 # only in the base as already being in the head for status purposes.
1258 # It will also return non-zero status if NAME needs update (seems backwards
1259 # but think of it as non-zero status if any non-missing output lines produced)
1260 # If needs_update() hits missing dependencies, it will append
1261 # them to space-separated $missing_deps list and skip them.
1264 recurse_deps branch_needs_update
"$1"
1267 # append second arg to first arg variable gluing with space if first already set
1270 eval "$1=\"\${$1:+\$$1 }\$2\""
1273 # true if whitespace separated first var name list contains second arg
1274 # use `vcontains 3 "value" "some list"` for a literal list
1277 eval case "\" \${$1} \"" in '*" $2 "*) return 0; esac; return 1'
1280 # if the $1 var does not already contain $2 it's appended
1283 vcontains
"$1" "$2" || vplus
"$1" "$2"
1286 # reset needs_update_check results to empty
1287 needs_update_check_clear
()
1289 unset_ needs_update_processed needs_update_behind needs_update_ahead needs_update_partial
1292 # needs_update_check NAME...
1294 # A faster version of needs_update that always succeeds
1295 # No output and unsuitable for actually performing updates themselves
1296 # If any of NAME... are NOT up-to-date AND they were not already processed
1297 # return status always will be zero however a simple check of
1298 # needs_update_behind after the call will answer the:
1299 # "are any out of date?": test -n "$needs_update_behind"
1300 # "is <x> out of date?": vcontains needs_update_behind "<x>"
1302 # Note that results are cumulative and "no_remotes" is honored as well as other
1303 # variables that modify recurse_deps_internal behavior. See the preceding
1304 # function to reset the results to empty when accumulation should start over.
1306 # Unlike needs_update, the branch names are themselves also checked to see if
1307 # they are out-of-date with respect to their bases or remote branches (not just
1308 # their remote bases). However, this can muddy some status results so this
1309 # can be disabled by setting needs_update_check_no_self to a non-empty value.
1311 # Unlike needs_update, here the remote base check is handled together with the
1312 # remote head check so if one is modified the other is too in the same way.
1314 # Dependencies are normally considered "behind" if they need an update from
1315 # their base or remote but this can be suppressed by setting the
1316 # needs_update_check_no_same to a non-empty value. This will NOT prevent
1317 # parents of those dependencies from still being considered behind in such a
1318 # case even though the dependency itself will not be. Note that setting
1319 # needs_update_check_no_same also implies needs_update_check_no_self.
1321 # The following whitespace-separated lists are updated with the results:
1323 # The "no_remotes" setting is obeyed but remote names themselves will never
1324 # appear in any of the lists
1326 # needs_update_processed
1327 # The branch names in here have been processed and will be skipped
1329 # needs_update_behind
1330 # Any branch named in here needs an update from one or more of its
1331 # direct or indirect dependencies (i.e. it's "out-of-date")
1333 # needs_update_ahead
1334 # Any branch named in here is NOT fully contained by at least one of
1335 # its dependents (i.e. it's a source of "out-of-date (aka dirty)"ness
1337 # needs_update_partial
1338 # Any branch names in here are either missing themselves or have one
1339 # or more detected missing dependencies (a completely missing remote
1340 # branch is never "detected")
1341 needs_update_check
()
1343 # each head must be processed independently or else there will be
1344 # confusion about who's missing what and which branches actually are
1346 tmptgrdi
="$tg_tmp_dir/tgrdi.$$"
1347 for nucname
in "$@"; do
1348 ! vcontains needs_update_processed
"$nucname" ||
continue
1349 # no need to fuss with recurse_deps, just use
1350 # recurse_deps_internal directly
1351 recurse_deps_internal
-s -o=-1 "$nucname" >"$tmptgrdi"
1352 while read -r _rdi_m _rdi_t _rdi_l _rdi_v _rdi_node _rdi_parent _rdi_chain
; do
1353 case "$_rdi_node" in ""|
:*) continue; esac # empty or checked with remote
1354 vsetadd needs_update_processed
"$_rdi_node"
1355 if [ "$_rdi_m" != "0" ]; then # missing
1356 vsetadd needs_update_partial
"$_rdi_node"
1357 [ -z "$_rdi_parent" ] || vsetadd needs_update_partial
"$_rdi_parent"
1360 [ "$_rdi_t$_rdi_l" != "12" ] ||
continue # always skip annihilated
1362 if [ -n "$_rdi_parent" ]; then # not a "self" line
1363 ! vcontains needs_update_partial
"$_rdi_node" || vsetadd needs_update_partial
"$_rdi_parent"
1364 ! vcontains needs_update_behind
"$_rdi_node" || _rdi_dertee
=2
1366 [ -z "$needs_update_check_no_self$needs_update_check_no_same" ] ||
continue # skip self
1368 if [ -z "$_rdi_dertee" ]; then
1369 if [ "$_rdi_t" != "0" ]; then # tgish
1370 if branch_contains
"refs/heads/$_rdi_node" "refs/$topbases/$_rdi_node"; then
1371 if [ "$_rdi_t" = "2" ]; then # will never be "2" when no_remotes is set
1372 branch_contains
"refs/heads/$_rdi_node" "refs/remotes/$base_remote/$_rdi_node" &&
1373 branch_contains
"refs/$topbases/$_rdi_node" "refs/remotes/$base_remote/${topbases#heads/}/$_rdi_node" ||
1379 [ -z "$_rdi_dertee" ] ||
[ -n "$needs_update_check_no_same" ] || _rdi_dertee
=1
1382 [ z
"$_rdi_dertee" != z
"1" ] || vsetadd needs_update_behind
"$_rdi_node"
1383 [ -n "$_rdi_parent" ] ||
continue # self line
1384 if ! branch_contains
"refs/$topbases/$_rdi_parent" "refs/heads/$_rdi_node"; then
1386 vsetadd needs_update_ahead
"$_rdi_node"
1388 [ -z "$_rdi_dertee" ] || vsetadd needs_update_behind
"$_rdi_parent"
1393 # branch_empty NAME [-i | -w]
1396 if [ -z "$2" ]; then
1397 _rev
="$(ref_exists_rev "refs
/heads
/$1")" ||
return 0
1400 { read -r _result _result_rev
<"$tg_cache_dir/refs/heads/$1/.mt"; } 2>/dev
/null ||
:
1401 [ -z "$_result" -o "$_result_rev" != "$_rev" ] ||
return $_result
1403 [ "$(pretty_tree -t "$1" -b)" = "$(pretty_tree -t "$1" $2)" ] || _result
=$?
1404 [ -d "$tg_cache_dir/refs/heads/$1" ] || mkdir
-p "$tg_cache_dir/refs/heads/$1" 2>/dev
/null
1405 [ ! -d "$tg_cache_dir/refs/heads/$1" ] ||
echo $_result $_rev >"$tg_cache_dir/refs/heads/$1/.mt"
1408 [ "$(pretty_tree -t "$1" -b)" = "$(pretty_tree -t "$1" $2)" ]
1412 v_get_tdmopt_internal
()
1414 [ -n "$1" ] && [ -n "$3" ] ||
return 0
1415 [ "$2" = "-i" ] ||
[ "$2" = "-w" ] ||
return 0
1418 if v_verify_topgit_branch _tghead
"HEAD" -f; then
1419 if [ "$2" = "-w" ] && [ -f "$root_dir/$3" ] && [ -r "$root_dir/$3" ]; then
1421 if _opthash
="$(git hash-object -w -t blob --stdin <"$root_dir/$3")" && [ -n "$_opthash" ]; then
1422 _optval
="$4\"$_tghead:$_opthash\""
1424 elif [ "$2" = "-i" ]; then
1425 if _opthash
="$(git rev-parse --quiet --verify ":0:$3" --)" && [ -n "$_opthash" ]; then
1426 _optval
="$4\"$_tghead:$_opthash\""
1430 eval "$1="'"$_optval"'
1433 # set var $1 to the correct -td= option for use in an eval for $2 -i or -w mode
1434 v_get_tdopt
() { v_get_tdmopt_internal
"$1" "$2" ".topdeps" "-td="; }
1436 # set var $1 to the correct -tm= option for use in an eval for $2 -i or -w mode
1437 v_get_tmopt
() { v_get_tdmopt_internal
"$1" "$2" ".topmsg" "-tm="; }
1439 # checkout_symref_full [-f] FULLREF [SEED]
1440 # Just like git checkout $iowopt -b FULLREF [SEED] except that FULLREF MUST start with
1441 # refs/ and HEAD is ALWAYS set to a symref to it and [SEED] (default is FULLREF)
1442 # MUST be a committish which if present will be used instead of current FULLREF
1443 # (and FULLREF will be updated to it as well in that case)
1444 # Any merge state is always cleared by this function
1445 # With -f it's like git checkout $iowopt -f -b FULLREF (uses read-tree --reset
1446 # instead of -m) but it will clear out any unmerged entries
1447 # As an extension, FULLREF may also be a full hash to create a detached HEAD instead
1448 checkout_symref_full
()
1452 if [ "$1" = "-f" ]; then
1463 [ -z "$2" ] ||
[ "$1" = "$2" ] ||
1464 die
"programmer error: invalid checkout_symref_full \"$1\" \"$2\""
1468 die
"programmer error: invalid checkout_symref_full \"$1\""
1471 _seedrev
="$(git rev-parse --quiet --verify "${2:-$1}^
0" --)" ||
1472 die
"invalid committish: \"${2:-$1}\""
1473 # Clear out any MERGE_HEAD kruft
1474 rm -f "$git_dir/MERGE_HEAD" ||
:
1475 # We have to do all the hard work ourselves :/
1476 # This is like git checkout -b "$1" "$2"
1477 # (or just git checkout "$1"),
1478 # but never creates a detached HEAD (unless $1 is a hash)
1479 git read-tree
-u $_mode $_head "$_seedrev" &&
1481 [ -z "$2" ] && [ "$(git cat-file -t "$1")" = "commit" ] ||
1482 git update-ref
${_ishash:+--no-deref} "$1" "$_seedrev"
1484 [ -n "$_ishash" ] || git symbolic-ref HEAD
"$1"
1488 # switch_to_base NAME [SEED]
1491 checkout_symref_full
"refs/$topbases/$1" "$2"
1494 # run editor with arguments
1495 # the editor setting will be cached in $tg_editor (which is eval'd)
1496 # result non-zero if editor fails or GIT_EDITOR cannot be determined
1497 # just in case, noalt_setup will be in effect while the editor is running
1500 tg_editor
="$GIT_EDITOR"
1501 [ -n "$tg_editor" ] || tg_editor
="$(git var GIT_EDITOR)" ||
return $?
1504 eval "$tg_editor" '"$@"'
1508 # Show the help messages.
1512 if [ "$1" = "-w" ]; then
1516 if [ -z "$1" ] ; then
1517 # This is currently invoked in all kinds of circumstances,
1518 # including when the user made a usage error. Should we end up
1519 # providing more than a short help message, then we should
1521 # Petr's comment: http://marc.info/?l=git&m=122718711327376&w=2
1523 ## Build available commands list for help output
1527 for cmd
in "$TG_INST_CMDDIR"/tg-
[!-]*; do
1528 ! [ -r "$cmd" ] && continue
1529 # strip directory part and "tg-" prefix
1532 [ "$cmd" != "migrate-bases" ] ||
continue
1533 [ "$cmd" != "summary" ] || cmd
="st[atus]|$cmd"
1534 cmds
="$cmds$sep$cmd"
1538 echo "TopGit version $TG_VERSION - A different patch queue manager"
1539 echo "Usage: $tgname [-C <dir>] [-r <remote> | -u]" \
1540 "[-c <name>=<val>] [--[no-]pager|-p] [-w [:]<tgtag>] ($cmds) ..."
1541 echo " Or: $tgname help [-w] [<command>]"
1542 echo "Use \"$tgdisplaydir$tgname help tg\" for overview of TopGit"
1543 elif [ -r "$TG_INST_CMDDIR"/tg-
$1 -o -r "$TG_INST_SHAREDIR/tg-$1.txt" ] ; then
1544 if [ -n "$_www" ]; then
1546 if ! [ -r "$TG_INST_SHAREDIR/topgit.html" ]; then
1547 echo "${0##*/}: missing html help file:" \
1548 "$TG_INST_SHAREDIR/topgit.html" 1>&2
1551 if ! [ -r "$TG_INST_SHAREDIR/tg-$1.html" ]; then
1552 echo "${0##*/}: missing html help file:" \
1553 "$TG_INST_SHAREDIR/tg-$1.html" 1>&2
1556 if [ -n "$nohtml" ]; then
1557 echo "${0##*/}: use" \
1558 "\"${0##*/} help $1\" instead" 1>&2
1561 git web--browse
-c help.browser
"$TG_INST_SHAREDIR/tg-$1.html"
1566 if [ -r "$TG_INST_CMDDIR"/tg-
$1 ] ; then
1567 "$TG_INST_CMDDIR"/tg-
$1 -h 2>&1 ||
:
1569 elif [ "$1" = "help" ]; then
1570 echo "Usage: ${tgname:-tg} help [-w] [<command>]"
1572 elif [ "$1" = "status" ] ||
[ "$1" = "st" ]; then
1573 echo "Usage: ${tgname:-tg} @tgsthelpusage@"
1576 if [ -r "$TG_INST_SHAREDIR/tg-$1.txt" ] ; then
1577 cat "$TG_INST_SHAREDIR/tg-$1.txt"
1582 echo "${0##*/}: no help for $1" 1>&2
1595 setup_git_dir_is_bare
1596 [ -z "$git_dir_is_bare" ] ||
return 0
1598 if [ -e "$git_dir/MERGE_HEAD" ]; then
1600 elif [ -e "$git_dir/rebase-apply/applying" ]; then
1602 git_remove
="$git_dir/rebase-apply"
1603 elif [ -e "$git_dir/rebase-apply" ]; then
1605 git_remove
="$git_dir/rebase-apply"
1606 elif [ -e "$git_dir/rebase-merge" ]; then
1608 git_remove
="$git_dir/rebase-merge"
1609 elif [ -e "$git_dir/CHERRY_PICK_HEAD" ]; then
1610 git_state
="cherry-pick"
1611 elif [ -e "$git_dir/BISECT_LOG" ]; then
1613 elif [ -e "$git_dir/REVERT_HEAD" ]; then
1616 git_remove
="${git_remove#./}"
1618 if [ -e "$git_dir/tg-update" ]; then
1620 tg_remove
="$git_dir/tg-update"
1621 ! [ -s "$git_dir/tg-update/merging_topfiles" ] || tg_topmerge
=1
1623 tg_remove
="${tg_remove#./}"
1626 # Show status information
1634 while [ $# -gt 0 ] && case "$1" in
1639 # kludge in this common bundling option
1645 [ -z "$do_status_verbose" ] || abbrev
=
1653 die
"unknown status argument: $1"
1655 esac; do shift; done
1656 if [ -n "$do_status_help" ]; then
1657 echo "Usage: ${tgname:-tg} @tgsthelpusage@"
1661 symref
="$(git symbolic-ref --quiet HEAD)" ||
:
1662 headrv
="$(git rev-parse --quiet --verify ${abbrev:+--short} HEAD --)" ||
:
1663 if [ -n "$symref" ]; then
1665 if [ -n "$headrv" ]; then
1666 upref
="$(git rev-parse --symbolic-full-name @{upstream} 2>/dev/null)" ||
:
1667 if [ -n "$upref" ]; then
1668 uprefpart
=" ... ${upref#$abbrev/remotes/}"
1669 mbase
="$(git merge-base HEAD "$upref")" ||
:
1670 ahead
="$(git rev-list --count HEAD ${mbase:+--not $mbase})" || ahead
=0
1671 behind
="$(git rev-list --count "$upref" ${mbase:+--not $mbase})" || behind
=0
1672 [ "$ahead$behind" = "00" ] || uprefpart
="$uprefpart ["
1673 [ "$ahead" = "0" ] || uprefpart
="${uprefpart}ahead $ahead"
1674 [ "$ahead" = "0" ] ||
[ "$behind" = "0" ] || uprefpart
="$uprefpart, "
1675 [ "$behind" = "0" ] || uprefpart
="${uprefpart}behind $behind"
1676 [ "$ahead$behind" = "00" ] || uprefpart
="$uprefpart]"
1679 echol
"${pfx}HEAD -> ${symref#$abbrev/heads/} [${headrv:-unborn}]$uprefpart"
1681 echol
"${pfx}HEAD -> ${headrv:-?}"
1683 if [ -n "$tg_state" ]; then
1685 if [ "$tg_state" = "update" ]; then
1686 IFS
= read -r uname
<"$git_dir/tg-update/name" ||
:
1688 extra
="; currently updating branch '$uname'"
1690 echol
"${pfx}tg $tg_state in progress$extra"
1691 if [ -s "$git_dir/tg-update/fullcmd" ] && [ -s "$git_dir/tg-update/names" ]; then
1692 printf "${pfx}You are currently updating as a result of:\n${pfx} "
1693 cat "$git_dir/tg-update/fullcmd"
1694 bcnt
="$(( $(wc -w < "$git_dir/tg-update
/names
") ))"
1695 if [ $bcnt -gt 1 ]; then
1697 ! [ -s "$git_dir/tg-update/processed" ] ||
1698 pcnt
="$(( $(wc -w < "$git_dir/tg-update
/processed
") ))"
1699 echo "${pfx}$pcnt of $bcnt branches updated so far"
1702 if [ "$tg_state" = "update" ]; then
1703 echol
"${pfx} (use \"$tgdisplayac update --continue\" to continue)"
1704 echol
"${pfx} (use \"$tgdisplayac update --skip\" to skip this branch and continue)"
1705 echol
"${pfx} (use \"$tgdisplayac update --stop\" to stop and retain changes so far)"
1706 echol
"${pfx} (use \"$tgdisplayac update --abort\" to restore pre-update state)"
1709 [ -z "$git_state" ] ||
echo "${pfx}git $git_state in progress"
1710 if [ "$git_state" = "merge" ]; then
1711 ucnt
="$(( $(git ls-files --unmerged --full-name --abbrev :/ | wc -l) ))"
1712 if [ $ucnt -gt 0 ]; then
1713 echo "${pfx}"'fix conflicts and then "git commit" the result'
1715 echo "${pfx}"'all conflicts fixed; run "git commit" to record result'
1718 if [ -z "$git_state" ]; then
1719 setup_git_dir_is_bare
1720 [ -z "$git_dir_is_bare" ] ||
return 0
1721 gsp
="$(git status --porcelain 2>/dev/null)" ||
return 0 # bare repository???
1724 gspcnt
="$(( $(printf '%s\n' "$gsp" | sed -n '/^??/!p' | wc -l) ))"
1726 if [ "$gspcnt" -eq 0 ]; then
1727 [ -z "$gsp" ] || untr
="; non-ignored, untracked files present"
1728 echo "${pfx}working directory is clean$untr"
1729 [ -n "$tg_state" ] || do_status_result
=0
1731 echo "${pfx}working directory is DIRTY"
1732 [ -z "$do_status_verbose" ] || git status
--short --untracked-files=no
1745 # pass "diff" to get pager.diff
1746 # if pager.$1 is a boolean false returns cat
1747 # if set to true or unset fails
1748 # otherwise succeeds and returns the value
1751 if _x
="$(git config --bool "pager.
$1" 2>/dev/null)"; then
1752 [ "$_x" != "true" ] ||
return 1
1756 if _x
="$(git config "pager.
$1" 2>/dev/null)"; then
1764 # Set TG_PAGER to a valid executable
1765 # After calling, code to be paged should be surrounded with {...} | eval "$TG_PAGER"
1766 # See also the following "page" function for ease of use
1767 # emptypager will be set to 1 (otherwise empty) if TG_PAGER was set to "cat" to not be empty
1768 # Preference is (same as Git):
1770 # 2. pager.$USE_PAGER_TYPE (but only if USE_PAGER_TYPE is set and so is pager.$USE_PAGER_TYPE)
1771 # 3. core.pager (only if set)
1773 # 5. git var GIT_PAGER
1777 isatty
1 ||
{ emptypager
=1; TG_PAGER
=cat; return 0; }
1780 if [ -z "$TG_PAGER_IN_USE" ]; then
1781 # TG_PAGER = GIT_PAGER | PAGER | less
1782 # NOTE: GIT_PAGER='' is significant
1783 if [ -n "${GIT_PAGER+set}" ]; then
1784 TG_PAGER
="$GIT_PAGER"
1785 elif [ -n "$USE_PAGER_TYPE" ] && _dp
="$(get_pager "$USE_PAGER_TYPE")"; then
1787 elif _cp
="$(git config core.pager 2>/dev/null)"; then
1789 elif [ -n "${PAGER+set}" ]; then
1792 _gp
="$(git var GIT_PAGER 2>/dev/null)" ||
:
1793 [ "$_gp" != ":" ] || _gp
=
1794 TG_PAGER
="${_gp:-less}"
1796 if [ -z "$TG_PAGER" ]; then
1805 # Set pager default environment variables
1806 # see pager.c:setup_pager
1807 if [ -z "${LESS+set}" ]; then
1811 if [ -z "${LV+set}" ]; then
1816 # this is needed so e.g. $(git diff) will still colorize it's output if
1817 # requested in ~/.gitconfig with color.diff=auto
1819 export GIT_PAGER_IN_USE
1821 # this is needed so we don't get nested pagers
1823 export TG_PAGER_IN_USE
1826 # page eval_arg [arg ...]
1828 # Calls setup_pager then evals the first argument passing it all the rest
1829 # where the output is piped through eval "$TG_PAGER" unless emptypager is set
1830 # by setup_pager (in which case the output is left as-is).
1832 # To handle arbitrary paging duties, collect lines to be paged into a
1833 # function and then call page with the function name or perhaps func_name "$@".
1835 # If no arguments at all are passed in do nothing (return with success).
1838 [ $# -gt 0 ] ||
return 0
1840 _evalarg
="$1"; shift
1841 if [ -n "$emptypager" ]; then
1842 eval "$_evalarg" '"$@"'
1844 { eval "$_evalarg" '"$@"';} |
eval "$TG_PAGER"
1848 # get_temp NAME [-d]
1849 # creates a new temporary file (or directory with -d) in the global
1850 # temporary directory $tg_tmp_dir with pattern prefix NAME
1853 mktemp
$2 "$tg_tmp_dir/$1.XXXXXX"
1856 # automatically called by strftime
1857 # does nothing if already setup
1858 # may be called explicitly if the first call would otherwise be in a subshell
1859 # so that the setup is only done once before subshells start being spawned
1862 [ -z "$strftime_is_setup" ] ||
return 0
1864 # date option to format raw epoch seconds values
1867 _testdt
='2000-02-29 07:03:08 UTC'
1868 _testfm
='%Y-%m-%d %H:%M:%S %Z'
1869 if [ "$(TZ=UTC date "-d@
$_testes" "+$_testfm" 2>/dev/null)" = "$_testdt" ]; then
1871 elif [ "$(TZ=UTC date "-r$_testes" "+$_testfm" 2>/dev/null)" = "$_testdt" ]; then
1877 # $1 => strftime format string to use
1878 # $2 => raw timestamp as seconds since epoch
1879 # $3 => optional time zone string (empty/absent for local time zone)
1883 if [ -n "$daterawopt" ]; then
1884 if [ -n "$3" ]; then
1885 TZ
="$3" date "$daterawopt$2" "+$1"
1887 date "$daterawopt$2" "+$1"
1890 if [ -n "$3" ]; then
1891 TZ
="$3" perl
-MPOSIX=strftime
-le 'print strftime($ARGV[0],localtime($ARGV[1]))' "$1" "$2"
1893 perl
-MPOSIX=strftime
-le 'print strftime($ARGV[0],localtime($ARGV[1]))' "$1" "$2"
1902 if [ -z "$got_cdup_result" ]; then
1903 git_cdup_result
="$(git rev-parse --show-cdup)"
1906 [ -z "$1" ] ||
eval "$1="'"$git_cdup_result"'
1909 setup_git_dir_is_bare
()
1911 if [ -z "$git_dir_is_bare_setup" ]; then
1912 git_dir_is_bare
="$(git rev-parse --is-bare-repository)"
1913 [ z
"$git_dir_is_bare" = z
"true" ] || git_dir_is_bare
=
1914 git_dir_is_bare_setup
=1
1920 [ -n "$git_dir" ] || git_dir
="$(git rev-parse --git-dir)"
1921 if [ -n "$git_dir" ] && [ -d "$git_dir" ]; then
1922 git_dir
="$(cd "$git_dir" && pwd)"
1924 if [ -z "$git_common_dir" ]; then
1925 if vcmp
"$git_version" '>=' "2.5"; then
1926 # rev-parse --git-common-dir is broken and may give
1927 # an incorrect result unless the current directory is
1928 # already set to the top level directory
1930 git_common_dir
="$(cd ".
/$git_cdup_result" && cd "$
(git rev-parse
--git-common-dir)" && pwd)"
1932 git_common_dir
="$git_dir"
1935 [ -n "$git_dir" ] && [ -n "$git_common_dir" ] &&
1936 [ -d "$git_dir" ] && [ -d "$git_common_dir" ] || die
"Not a git repository"
1937 git_hooks_dir
="$git_common_dir/hooks"
1938 if vcmp
"$git_version" '>=' "2.9" && gchp
="$(git config --path --get core.hooksPath 2>/dev/null)" && [ -n "$gchp" ]; then
1941 git_hooks_dir
="$gchp"
1944 [ -n "$1" ] || warn
"ignoring non-absolute core.hooksPath: $gchp"
1951 basic_setup_remote
()
1953 if [ -z "$base_remote" ]; then
1954 if [ "${TG_EXPLICIT_REMOTE+set}" = "set" ]; then
1955 base_remote
="$TG_EXPLICIT_REMOTE"
1957 base_remote
="$(git config topgit.remote 2>/dev/null)" ||
:
1966 tgsequester
="$(git config --bool topgit.sequester 2>/dev/null)" ||
:
1968 [ "$tgsequester" != "false" ] || tgnosequester
=1
1971 # catch errors if topbases is used without being set
1972 unset_ tg_topbases_set
1973 topbases
="programmer*:error"
1974 topbasesrx
="programmer*:error}"
1975 oldbases
="$topbases"
1980 [ -z "$tg_tmp_dir" ] ||
return 0
1981 if [ -n "$TG_TMPDIR" ] && [ -d "$TG_TMPDIR" ] && [ -w "$TG_TMPDIR" ] &&
1982 { >"$TG_TMPDIR/.check"; } >/dev
/null
2>&1; then
1983 tg_tmp_dir
="$TG_TMPDIR"
1986 TRAPEXIT_
='${TG_DEBUG:+echo} rm -rf "$tg_tmp_dir" >&2'
1987 trap 'trapexit_ 129' HUP
1988 trap 'trapexit_ 130' INT
1989 trap 'trapexit_ 131' QUIT
1990 trap 'trapexit_ 134' ABRT
1991 trap 'trapexit_ 141' PIPE
1992 trap 'trapexit_ 143' TERM
1993 tg_tmp_dir
="$(mktemp -d "$git_dir/tg-tmp.XXXXXX
" 2>/dev/null)" || tg_tmp_dir
=
1994 [ -n "$tg_tmp_dir" ] || tg_tmp_dir
="$(mktemp -d "${TMPDIR:-/tmp}/tg-tmp.XXXXXX
" 2>/dev/null)" || tg_tmp_dir
=
1995 [ -n "$tg_tmp_dir" ] ||
[ -z "$TMPDIR" ] || tg_tmp_dir
="$(mktemp -d "/tmp
/tg-tmp.XXXXXX
" 2>/dev/null)" || tg_tmp_dir
=
1996 [ -z "$tg_tmp_dir" ] || tg_tmp_dir
="$(cd "$tg_tmp_dir" && pwd -P)"
1998 [ -n "$tg_tmp_dir" ] && [ -w "$tg_tmp_dir" ] && { >"$tg_tmp_dir/.check"; } >/dev
/null
2>&1 ||
1999 die
"could not create a writable temporary directory"
2001 # whenever tg_tmp_dir is != "" these must always be set
2002 tg_ref_cache
="$tg_tmp_dir/tg~ref-cache"
2003 tg_ref_cache_br
="$tg_ref_cache.br"
2004 tg_ref_cache_rbr
="$tg_ref_cache.rbr"
2005 tg_ref_cache_ann
="$tg_ref_cache.ann"
2006 tg_ref_cache_dep
="$tg_ref_cache.dep"
2011 [ -z "$tg_cache_dir" ] ||
return 0
2012 user_id_no
="$(id -u)" ||
:
2013 : "${user_id_no:=_99_}"
2014 tg_cache_dir
="$git_common_dir/tg-cache"
2015 [ -d "$tg_cache_dir" ] || mkdir
"$tg_cache_dir" >/dev
/null
2>&1 || tg_cache_dir
=
2016 [ -z "$tg_cache_dir" ] || tg_cache_dir
="$tg_cache_dir/$user_id_no"
2017 [ -z "$tg_cache_dir" ] ||
[ -d "$tg_cache_dir" ] || mkdir
"$tg_cache_dir" >/dev
/null
2>&1 || tg_cache_dir
=
2018 [ -z "$tg_cache_dir" ] ||
{ >"$tg_cache_dir/.tgcache"; } >/dev
/null
2>&1 || tg_cache_dir
=
2019 if [ -z "$tg_cache_dir" ]; then
2020 tg_cache_dir
="$tg_tmp_dir/tg-cache"
2021 [ -d "$tg_cache_dir" ] || mkdir
"$tg_cache_dir" >/dev
/null
2>&1 || tg_cache_dir
=
2022 [ -z "$tg_cache_dir" ] ||
{ >"$tg_cache_dir/.tgcache"; } >/dev
/null
2>&1 || tg_cache_dir
=
2024 [ -n "$tg_cache_dir" ] ||
2025 die
"could not create a writable tg-cache directory (even a temporary one)"
2027 if [ -n "$2" ]; then
2028 # allow the wayback machine to share a separate cache
2029 [ -d "$tg_cache_dir/wayback" ] || mkdir
"$tg_cache_dir/wayback" >/dev
/null
2>&1 ||
:
2030 ! [ -d "$tg_cache_dir/wayback" ] ||
! { >"$tg_cache_dir/wayback/.tgcache"; } >/dev
/null
2>&1 ||
2031 tg_cache_dir
="$tg_cache_dir/wayback"
2035 # set up alternate deb dirs
2038 # GIT_ALTERNATE_OBJECT_DIRECTORIES can contain double-quoted entries
2039 # since Git v2.11.1; however, it's only necessary for : (or perhaps ;)
2040 # so we avoid it if possible and require v2.11.1 to do it at all
2041 # otherwise just don't make an alternates temporary store in that case;
2042 # it's okay to not have one; everything will still work; the nicety of
2043 # making the temporary tree objects vanish when tg exits just won't
2044 # happen in that case but nothing will break also be sure to reuse
2045 # the parent's if we've been recursively invoked and it's for the
2046 # same repository we were invoked on
2050 _odbdir
="${GIT_OBJECT_DIRECTORY:-$git_common_dir/objects}"
2051 [ -n "$_odbdir" ] && [ -d "$_odbdir" ] && _fullodbdir
="$(cd "$_odbdir" && pwd -P)" ||
2052 die
"could not find objects directory"
2053 if [ -n "$TG_OBJECT_DIRECTORY" ] && [ -d "$TG_OBJECT_DIRECTORY/info" ] &&
2054 [ -f "$TG_OBJECT_DIRECTORY/info/alternates" ] && [ -r "$TG_OBJECT_DIRECTORY/info/alternates" ]; then
2055 if IFS
= read -r _otherodbdir
<"$TG_OBJECT_DIRECTORY/info/alternates" &&
2056 [ -n "$_otherodbdir" ] && [ "$_otherodbdir" = "$_fullodbdir" ]; then
2060 _fulltmpdir
="$(cd "$tg_tmp_dir" && pwd -P)"
2061 if [ "$tg_use_alt_odb" = "1" ]; then
2062 # create an alternate objects database to keep the ephemeral objects in
2063 mkdir
-p "$tg_tmp_dir/objects/info"
2064 TG_OBJECT_DIRECTORY
="$_fulltmpdir/objects"
2065 [ "$_fullodbdir" = "$TG_OBJECT_DIRECTORY" ] ||
2066 echol
"$_fullodbdir" >"$tg_tmp_dir/objects/info/alternates"
2068 case "$_fulltmpdir" in *[";:"]*|
'"'*) vcmp
"$git_version" '>=' "2.11.1" || tg_use_alt_odb
=; esac
2069 if [ "$tg_use_alt_odb" = "1" ]; then
2070 case "$TG_OBJECT_DIRECTORY" in
2072 # surround in "..." and backslash-escape internal '"' and '\\'
2073 _altodbdq
="\"$(printf '%s\n' "$TG_OBJECT_DIRECTORY" |
2074 sed 's/\([""\\]\)/\\\1/g')\""
2077 _altodbdq
="$TG_OBJECT_DIRECTORY"
2080 TG_PRESERVED_ALTERNATES
="$GIT_ALTERNATE_OBJECT_DIRECTORIES"
2081 if [ -n "$GIT_ALTERNATE_OBJECT_DIRECTORIES" ]; then
2082 GIT_ALTERNATE_OBJECT_DIRECTORIES
="$_altodbdq:$GIT_ALTERNATE_OBJECT_DIRECTORIES"
2084 GIT_ALTERNATE_OBJECT_DIRECTORIES
="$_altodbdq"
2086 export TG_PRESERVED_ALTERNATES TG_OBJECT_DIRECTORY GIT_ALTERNATE_OBJECT_DIRECTORIES
2087 if [ -n "$GIT_OBJECT_DIRECTORY" ]; then
2088 export GIT_OBJECT_DIRECTORY
2090 unset_ GIT_OBJECT_DIRECTORY
2097 if [ "${TG_PRESERVED_ALTERNATES+set}" = "set" ]; then
2098 GIT_ALTERNATE_OBJECT_DIRECTORIES
="$TG_PRESERVED_ALTERNATES"
2099 if [ -n "$GIT_ALTERNATE_OBJECT_DIRECTORIES" ]; then
2100 export GIT_ALTERNATE_OBJECT_DIRECTORIES
2102 unset_ GIT_ALTERNATE_OBJECT_DIRECTORIES
2105 unset_ TG_TMPDIR TG_OBJECT_DIRECTORY TG_PRESERVED_ALTERNATES tg_use_alt_odb
2111 # suppress the merge log editor feature since git 1.7.10
2113 GIT_MERGE_AUTOEDIT
=no
2114 export GIT_MERGE_AUTOEDIT
2118 ! vcmp
"$git_version" '>=' "2.5" || iowopt
="--ignore-other-worktrees"
2120 ! vcmp
"$git_version" '>=' "2.6" || gcfbopt
="--buffer"
2122 ! vcmp
"$git_version" '>=' "2.9" || auhopt
="--allow-unrelated-histories"
2123 v_get_show_cdup root_dir
2124 root_dir
="${root_dir:-.}"
2125 logrefupdates
="$(git config --bool core.logallrefupdates 2>/dev/null)" ||
:
2126 [ "$logrefupdates" = "true" ] || logrefupdates
=
2128 # make sure root_dir doesn't end with a trailing slash.
2130 root_dir
="${root_dir%/}"
2132 # create global temporary and cache directories, usually inside GIT_DIR
2138 # the wayback machine directory serves as its own "altodb"
2139 [ -n "$wayback" ] || altodb_setup
2142 activate_wayback_machine
()
2144 [ -n "${1#:}" ] ||
[ -n "$2" ] ||
{ wayback
=; return 0; }
2150 if [ -n "${1#:}" ]; then
2151 tgwbr
="$(get_temp wbinfo)"
2153 tg revert
--list --no-short "${1#:}" >"$tgwbr" && test -s "$tgwbr" ||
return 1
2154 # tg revert will likely leave a revert-tag-only cache which is not what we want
2157 cachedir_setup
"" 1 # use a separate wayback cache dir
2158 # but don't step on the normal one if the separate one could not be set up
2159 case "$tg_cache_dir" in */wayback
);;*) tg_cache_dir
=; esac
2160 altodb
="$TG_OBJECT_DIRECTORY"
2161 if [ -n "$3" ] && [ -n "$2" ]; then
2162 [ -d "$3" ] ||
{ mkdir
-p "$3" && [ -d "$3" ]; } ||
2163 die
"could not create wayback directory: $3"
2164 tg_wayback_dir
="$(cd "$3" && pwd -P)" || die
"could not get wayback directory full path"
2165 [ -d "$tg_wayback_dir/.git" ] ||
{ mkdir
-p "$tg_wayback_dir/.git" && [ -d "$tg_wayback_dir/.git" ]; } ||
2166 die
"could not initialize wayback directory: $3"
2167 is_empty_dir
"$tg_wayback_dir" ".git" && is_empty_dir
"$tg_wayback_dir/.git" "." ||
2168 die
"wayback directory is not empty: $3"
2169 mkdir
"$tg_wayback_dir/.git/objects"
2170 mkdir
"$tg_wayback_dir/.git/objects/info"
2171 cat "$altodb/info/alternates" >"$tg_wayback_dir/.git/objects/info/alternates"
2173 tg_wayback_dir
="$tg_tmp_dir/wayback"
2174 mkdir
"$tg_wayback_dir"
2175 mkdir
"$tg_wayback_dir/.git"
2176 ln -s "$altodb" "$tg_wayback_dir/.git/objects"
2178 mkdir
"$tg_wayback_dir/.git/refs"
2179 printf '0 Wayback Machine' >"$tg_wayback_dir/.git/gc.pid"
2180 qpesc
="$(printf '%s\n' "$git_common_dir" | sed -e 's/\([\\""]\)/\\\1/g' -e '$!s/$/\\n/' | tr -d '\n')"
2182 [ -z "$2" ] || laru
="true"
2185 path = \"$qpesc/config\"
2188 logAllRefUpdates = $laru
2189 repositoryFormatVersion = 0
2191 preciousObjects = true
2197 [remote \"wayback\"]
2203 wayback-updates = fetch --force --no-tags --dry-run wayback refs/*:refs/*
2204 " >"$tg_wayback_dir/.git/config"
2205 cat "$git_dir/HEAD" >"$tg_wayback_dir/.git/HEAD"
2206 case "$1" in ":"?
*);;*)
2207 git show-ref
>"$tg_wayback_dir/.git/packed-refs"
2208 git
--git-dir="$tg_wayback_dir/.git" pack-refs
--all
2211 TG_OBJECT_DIRECTORY
="$altodb" && export TG_OBJECT_DIRECTORY
2212 if [ -n "${1#:}" ]; then
2213 <"$tgwbr" sed 's/^\([^ ][^ ]*\) \([^ ][^ ]*\)$/update \2 \1/' |
2214 git
--git-dir="$tg_wayback_dir/.git" update-ref
-m "wayback to $1" ${2:+--create-reflog} --stdin
2216 if test -n "$2"; then
2217 # extra setup for potential shell
2218 qpesc2
="$(printf '%s\n' "$git_common_dir" | sed -e 's/\([\\""]\)/\\\\\1/g' -e '$!s/$/\\n/' | tr -d '\n')"
2219 printf '\twayback-repository = "!printf '\''%%s\\\\n'\'' \\"%s\\""\n' "$qpesc2" >>"$tg_wayback_dir/.git/config"
2220 qtesc
="$(printf '%s\n' "${1:-:}" | sed 's/\([""]\)/\\\1/g')"
2221 printf '\twayback-tag = "!printf '\''%%s\\\\n'\'' \\"%s\\""\n' "$qtesc" >>"$tg_wayback_dir/.git/config"
2222 if [ -d "$git_common_dir/rr-cache" ]; then
2223 ln -s "$git_common_dir/rr-cache" "$tg_wayback_dir/.git/rr-cache"
2224 printf "[rerere]\n\tenabled = true\n" >>"$tg_wayback_dir/.git/config"
2226 if [ z
"$2" != z
"2" ]; then
2229 if [ -n "${1#:}" ]; then
2230 [ -n "$tgwbr2" ] || tgwbr2
="$(get_temp wbtag)"
2231 git
--git-dir="$git_common_dir" cat-file tag
"${1#:}" >"$tgwbr2" ||
return 1
2232 wbprnt
="${lf}parent $(git --git-dir="$git_common_dir" rev-parse --verify --quiet "${1#:}"^0 -- 2>/dev/null)" || wbprnt
=
2233 wbauth
="$(<"$tgwbr2" awk '{if(!$0)exit;if($1=="tagger
")print "author
" substr($0,7)}')"
2235 wbcmtr
="committer Wayback Machine <-> $(date "+%s
%z
")"
2236 [ -n "$wbauth" ] || wbauth
="author${wbcmtr#committer}"
2237 wbtree
="$(git --git-dir="$tg_wayback_dir/.git
" mktree </dev/null)"
2239 printf '%s\n' "tree
$wbtree$wbprnt" "$wbauth" "$wbcmtr" ""
2240 if [ -n "$tgwbr2" ]; then
2241 <"$tgwbr2" sed -e '1,/^$/d' -e '/^-----BEGIN/,$d' | git stripspace
2243 echo "Wayback Machine
"
2245 } | git --git-dir="$tg_wayback_dir/.git
" hash-object -t commit -w --stdin)"
2246 test -n "$wbcmt" ||
return 1
2247 echo "$wbcmt" >"$tg_wayback_dir/.git/HEAD"
2250 cd "$tg_wayback_dir"
2251 unset git_dir git_common_dir
2256 # refer to "top-bases" in a refname with $topbases
2258 [ -z "$tg_topbases_set" ] ||
return 0
2260 topbases_implicit_default
=1
2261 # See if topgit.top-bases is set to heads or refs
2262 tgtb
="$(git config "topgit.top-bases
" 2>/dev/null)" ||
:
2263 if [ -n "$tgtb" ] && [ "$tgtb" != "heads" ] && [ "$tgtb" != "refs" ]; then
2264 if [ -n "$1" ]; then
2265 # never die on the hook script
2268 die
"invalid \"topgit.top-bases\" setting (must be \"heads\" or \"refs\")"
2271 if [ -n "$tgtb" ]; then
2274 topbases
="heads/{top-bases}"
2275 topbasesrx
="heads/[{]top-bases[}]"
2276 oldbases
="top-bases";;
2278 topbases
="top-bases"
2279 topbasesrx
="top-bases"
2280 oldbases
="heads/{top-bases}";;
2282 # MUST NOT be exported
2283 unset_ tgtb tg_topbases_set topbases_implicit_default
2289 # check heads and top-bases and see what state the current
2290 # repository is in. remotes are ignored.
2294 git for-each-ref --format='%(refname)' "refs
/heads
" "refs
/top-bases
" 2>/dev/null |
2295 run_awk_ref_prefixes ${1:+-e} -n -- "refs
/heads
/{top-bases
}" "refs
/top-bases
" "refs
/heads
")" ||
2297 if [ "$rc" = "65" ]; then
2299 err
"repository contains existing TopGit branches"
2300 err
"but some use refs/top-bases/... for the base"
2301 err
"and some use refs/heads/{top-bases}/... for the base"
2302 err
"with the latter being the new, preferred location"
2303 err
"set \"topgit.top-bases\" to either \"heads\" to use"
2304 err
"the new heads/{top-bases} location or \"refs\" to use"
2305 err
"the old top-bases location."
2306 err
"(the tg migrate-bases command can also resolve this issue)"
2307 die
"schizophrenic repository requires topgit.top-bases setting"
2309 [ -z "$activebases" ] || unset_ topbases_implicit_default
2310 if [ "$activebases" = "refs/heads/{top-bases}" ]; then
2311 topbases
="heads/{top-bases}"
2312 topbasesrx
="heads/[{]top-bases[}]"
2313 oldbases
="top-bases"
2315 # default is still top-bases for now
2316 topbases
="top-bases"
2317 topbasesrx
="top-bases"
2318 oldbases
="heads/{top-bases}"
2320 # MUST NOT be exported
2321 unset_ rc activebases tg_topases_set
2326 # $1 is remote name to check
2327 # $2 is optional variable name to set to result of check
2328 # $3 is optional command name to use in message (defaults to $cmd)
2329 # Fatal error if remote has schizophrenic top-bases
2330 # No error (and $2, if provided, will be set to empty) if remote has no top-bases at all
2331 check_remote_topbases
()
2333 [ -n "$1" ] || die
"programmer error: check_remote_topbases called with no remote argument"
2334 _crrc
=0 _crremotebases
=
2336 git for-each-ref --format='%(refname)' "refs
/remotes
/$1" 2>/dev/null |
2337 run_awk_ref_prefixes -n -- "refs
/remotes
/$1/{top-bases
}" "refs
/remotes
/$1/top-bases
" "refs
/remotes
/$1")" ||
2339 if [ "$_crrc" = "65" ]; then
2340 err
"remote \"$1\" has top-bases in both locations:"
2341 err
" refs/remotes/$1/{top-bases}/..."
2342 err
" refs/remotes/$1/top-bases/..."
2343 err
"set \"topgit.top-bases\" to \"heads\" for the first, preferred location"
2344 err
"or set \"topgit.top-bases\" to \"refs\" for the second, old location"
2345 err
"(the \"-c topgit.top-bases=<val>\" option can be used for this)"
2346 err
"then re-run the tg ${3:-$cmd} command"
2347 err
"(the tg migrate-bases command can also help with this problem)"
2348 die
"schizophrenic remote \"$1\" requires topgit.top-bases setting"
2350 [ "$_crrc" != "66" ] || _crremotebases
= # just to be sure
2351 [ -z "$2" ] ||
eval "$2="'"$_crremotebases"'
2352 unset _crrc _crremotebases
2357 # if "$logrefupdates" is set and ref is not under refs/heads/ then force
2358 # an empty log file to exist so that ref changes will be logged
2359 # "$1" must be a fully-qualified refname (i.e. start with "refs/")
2360 # However, if "$1" is "refs/tgstash" then always make the reflog
2361 # The only ref not under refs/ that Git will write a reflog for is HEAD;
2362 # no matter what, it will NOT update a reflog for any other bare refs so
2363 # just quietly succeed when passed TG_STASH without doing anything.
2366 [ -n "$1" ] && [ "$1" != "TG_STASH" ] ||
return 0
2367 [ -n "$logrefupdates" ] ||
[ "$1" = "refs/tgstash" ] ||
return 0
2368 case "$1" in refs
/heads
/*|HEAD
) return 0;; refs
/*[!/]);; *) return 1; esac
2369 mkdir
-p "$git_common_dir/logs/${1%/*}" 2>/dev
/null ||
:
2370 { >>"$git_common_dir/logs/$1" ||
:; } 2>/dev
/null
2373 # store the "realpath" for "$2" in "$1" except the leaf is not resolved if it's
2374 # a symbolic link. The directory part must exist, but the basename need not.
2377 [ -n "$1" ] && [ -n "$2" ] ||
return 1
2378 set -- "$1" "$2" "${2%/}"
2380 */*) set -- "$1" "$2" "${3%/*}";;
2381 * ) set -- "$1" "$2" ".";;
2384 set -- "$1" "${2%/}" "$3" "/"
2386 [ -d "$3" ] ||
return 1
2387 eval "$1="'"$(cd "$3" && pwd -P)/${2##*/}$4"'
2392 : "${TG_INST_CMDDIR:=@cmddir@}"
2393 : "${TG_INST_SHAREDIR:=@sharedir@}"
2394 : "${TG_INST_HOOKSDIR:=@hooksdir@}"
2396 [ -d "$TG_INST_CMDDIR" ] ||
2397 die
"No command directory: '$TG_INST_CMDDIR'"
2399 ## Include awk scripts and their utility functions (separated for easier debugging)
2401 [ -f "$TG_INST_CMDDIR/tg--awksome" ] && [ -r "$TG_INST_CMDDIR/tg--awksome" ] ||
2402 die
"Missing awk scripts: '$TG_INST_CMDDIR/tg--awksome'"
2403 .
"$TG_INST_CMDDIR/tg--awksome"
2405 if [ -n "$tg__include" ]; then
2407 # We were sourced from another script for our utility functions;
2408 # this is set by hooks. Skip the rest of the file. A simple return doesn't
2409 # work as expected in every shell. See http://bugs.debian.org/516188
2411 # ensure setup happens
2423 case "$tgdir" in */*);;*) tgdir
="./$tgdir"; esac
2424 tgdir
="${tgdir%/*}/"
2425 tgname
="${tgbin##*/}"
2426 [ "$0" != "$tgname" ] || tgdir
=""
2428 # If tg contains a '/' but does not start with one then replace it with an absolute path
2430 case "$0" in /*) ;; */*)
2431 tgdir
="$(cd "${0%/*}" && pwd -P)/"
2432 tgbin
="$tgdir$tgname"
2435 # tgdisplay will include any explicit -C <dir> etc. options whereas tgname will not
2436 # tgdisplayac is the same as tgdisplay but without any -r or -u options (ac => abort/continue)
2438 tgdisplaydir
="$tgdir"
2440 tgdisplayac
="$tgdisplay"
2442 v_get_abs_path _tgnameabs
"$(cmd_path "$tgname")" &&
2443 _tgabs
="$_tgnameabs" &&
2444 { [ "$tgbin" = "$tgname" ] || v_get_abs_path _tgabs
"$tgbin"; } &&
2445 [ "$_tgabs" = "$_tgnameabs" ]
2449 tgdisplayac
="$tgdisplay"
2451 [ -z "$_tgabs" ] || tgbin
="$_tgabs"
2452 unset_ _tgabs _tgnameabs
2455 TG_TMPDIR
="$tg_tmp_dir" && export TG_TMPDIR
&&
2467 while :; do case "$1" in
2509 if [ -z "$1" ]; then
2510 echo "Option -r requires an argument." >&2
2516 explicit_remote
="$base_remote"
2517 tgdisplay
="$tgdisplaydir$tgname$gitcdopt -r $explicit_remote"
2518 TG_EXPLICIT_REMOTE
="$base_remote" && export TG_EXPLICIT_REMOTE
2522 unset_ base_remote explicit_remote
2524 tgdisplay
="$tgdisplaydir$tgname$gitcdopt -u"
2525 TG_EXPLICIT_REMOTE
= && export TG_EXPLICIT_REMOTE
2530 if [ -z "$1" ]; then
2531 echo "Option -C requires an argument." >&2
2536 unset_ GIT_DIR GIT_COMMON_DIR
2537 if [ -z "$explicit_dir" ]; then
2542 gitcdopt
=" -C \"$explicit_dir\""
2543 [ "$explicit_dir" != "." ] || explicit_dir
="." gitcdopt
=" -C ."
2544 tgdisplay
="$tgdisplaydir$tgname$gitcdopt"
2545 tgdisplayac
="$tgdisplay"
2546 [ -z "$explicit_remote" ] || tgdisplay
="$tgdisplay -r $explicit_remote"
2547 [ -z "$noremote" ] || tgdisplay
="$tgdisplay -u"
2552 if [ -z "$1" ]; then
2553 echo "Option -c requires an argument." >&2
2557 param
="'$(printf '%s\n' "$1" | sed "s
/[']/'\\\\''/g
")'"
2558 GIT_CONFIG_PARAMETERS
="${GIT_CONFIG_PARAMETERS:+$GIT_CONFIG_PARAMETERS }$param"
2559 export GIT_CONFIG_PARAMETERS
2563 if [ -n "$wayback" ]; then
2564 echo "Option -w may be used at most once." >&2
2569 if [ -z "$1" ]; then
2570 echo "Option -w requires an argument." >&2
2582 echo "Invalid option $1 (subcommand options must appear AFTER the subcommand)." >&2
2590 if [ z
"$forcepager" = z
"0" ]; then
2591 GIT_PAGER_IN_USE
=1 TG_PAGER_IN_USE
=1 &&
2592 export GIT_PAGER_IN_USE TG_PAGER_IN_USE
2595 [ -n "$cmd" -o $# -lt 1 ] ||
{ cmd
="$1"; shift; }
2599 [ -n "$cmd" ] ||
{ do_help
; exit 1; }
2612 exit ${do_status_result:-0};;
2616 echol
"$TG_INST_HOOKSDIR";;
2620 echol
"$TG_INST_CMDDIR";;
2624 echol
"$TG_INST_CMDDIR/awk";;
2627 # Maintenance command
2629 show_remote_topbases
=
2632 do_topbases_help
=0;;
2634 if [ $# -eq 2 ] && [ -n "$2" ]; then
2635 # unadvertised, but make it work
2639 show_remote_topbases
=1;;
2641 [ $# -eq 0 ] || do_topbases_help
=1;;
2643 [ $# -le 1 ] || do_topbases_help
=1
2644 if [ -n "$do_topbases_help" ]; then
2645 helpcmd
='echo "Usage: ${tgname:-tg} [-r <remote>] --top-bases [-r]"'
2646 [ $do_topbases_help -eq 0 ] || helpcmd
="$helpcmd >&2"
2648 exit $do_topbases_help
2651 if git_dir
="$(git rev-parse --git-dir 2>&1)"; then
2652 [ -z "$wayback" ] || activate_wayback_machine
"$wayback"
2656 if [ -n "$show_remote_topbases" ]; then
2658 [ -n "$base_remote" ] ||
2659 die
"no remote location given. Either use -r <remote> option or set topgit.remote"
2661 [ -z "$topbases_implicit_default" ] ||
2662 check_remote_topbases
"$base_remote" rbases
"--top-bases"
2663 if [ -n "$rbases" ]; then
2666 echol
"refs/remotes/$base_remote/${topbases#heads/}"
2669 echol
"refs/$topbases"
2674 case "$cmd" in index-merge-one-file
)
2677 [ -r "$TG_INST_CMDDIR"/tg-
$isutil$cmd ] ||
{
2678 looplevel
="$TG_ALIAS_DEPTH"
2679 [ "${looplevel#[1-9]}" != "$looplevel" ] &&
2680 [ "${looplevel%%[!0-9]*}" = "$looplevel" ] ||
2682 tgalias
="$(git config "topgit.
alias.
$cmd" 2>/dev/null)" ||
:
2683 [ -n "$tgalias" ] ||
{
2684 echo "Unknown subcommand: $cmd" >&2
2688 looplevel
=$
(( $looplevel + 1 ))
2689 [ $looplevel -le 10 ] || die
"topgit.alias nesting level 10 exceeded"
2690 TG_ALIAS_DEPTH
="$looplevel"
2691 export TG_ALIAS_DEPTH
2692 if [ "!${tgalias#?}" = "$tgalias" ]; then
2693 [ -z "$wayback" ] ||
2694 die
"-w is not allowed before an '!' alias command"
2696 if pfx
="$(git rev-parse --show-prefix 2>/dev/null)"; then
2700 cd "./$(git rev-parse --show-cdup 2>/dev/null)"
2701 exec @SHELL_PATH@
-c "${tgalias#?} \"\$@\"" @SHELL_PATH@
"$@"
2703 eval 'exec "$tgbin"' "${wayback:+-w \"\$wayback\"}" "$tgalias" '"$@"'
2705 die
"alias execution failed for: $tgalias"
2707 unset_ TG_ALIAS_DEPTH
2710 if [ "$*" = "-h" ] ||
[ "$*" = "--help" ]; then
2714 nomergesetup
="$showing_help"
2715 case "$cmd" in base|contains|
export|files|info|log|
mail|next|
patch|prev|rebase|revert|shell|summary|tag
)
2716 # avoid merge setup where not necessary
2721 if [ -n "$wayback" ] && [ -z "$showing_help" ]; then
2722 [ -n "$nomergesetup" ] ||
2723 die
"the wayback machine cannot be used with the \"$cmd\" subcommand"
2724 if [ "$cmd" = "shell" ]; then
2725 # this is ugly; `tg shell` should handle this but it's too
2726 # late there so we have to do it here
2730 wayback_dir
="${1#--directory=}" && shift;;
2732 die
"--directory requires an argument";;
2734 [ $# -ge 2 ] || die
"--directory requires an argument"
2735 wayback_dir
="$2" && shift 2;;
2737 activate_wayback_machine
"$wayback" 1 "$wayback_dir"
2740 # export might drop out into a shell for conflict resolution
2741 [ "$cmd" != "export" ] || _fullwb
=2
2742 activate_wayback_machine
"$wayback" "$_fullwb"
2744 die
"failed to set the wayback machine to target \"$wayback\""
2747 [ -n "$showing_help" ] || initial_setup
2748 [ -z "$noremote" ] || unset_ base_remote
2750 if [ -z "$nomergesetup" ]; then
2751 # make sure merging the .top* files will always behave sanely
2754 setup_hook
"pre-commit"
2757 # everything but rebase needs topbases set
2758 carefully
="$showing_help"
2759 [ "$cmd" != "migrate-bases" ] || carefully
=1
2760 [ "$cmd" = "rebase" ] || set_topbases
$carefully
2765 case "$cmd$showing_help" in
2766 contains|info|summary|tag
)
2771 annihilate|create|delete|depend|import|update
)
2775 [ -z "$_suppress_alt" ] || noalt_setup
2776 [ -z "$_use_ref_cache" ] || v_create_ref_cache
2778 fullcmd
="${tgname:-tg} $cmd $*"
2779 if [ z
"$forcepager" = z
"1" ]; then
2780 page
'. "$TG_INST_CMDDIR"/tg-$isutil$cmd' "$@"
2782 .
"$TG_INST_CMDDIR"/tg-
$isutil$cmd