3 # This is generic shell library for all the scripts used by Girocco;
4 # most importantly, it introduces all the $cfg_* shell variables.
9 octet4
="$octet$octet$octet$octet"
10 octet19
="$octet4$octet4$octet4$octet4$octet$octet$octet"
11 octet20
="$octet4$octet4$octet4$octet4$octet4"
12 # tab (single \t between single quotes)
15 # set a sane umask that never excludes any user or group permissions
16 umask $
(printf '0%03o' $
(( $
(umask) & ~
0770 )) )
19 # Compare $1 to $2 each of which must match \d+(\.\d+)*
20 # An empty string ('') for $1 or $2 is treated like 0
25 # Note that `vcmp 1.8 1.8.0.0.0.0` correctly outputs 0.
29 [ -n "$_a" ] ||
[ -n "$_b" ]
31 if [ "${_a:-0}" -lt "${_b:-0}" ]; then
34 elif [ "${_a:-0}" -gt "${_b:-0}" ]; then
40 set -- "${_a2#.}" "${_b2#.}"
46 get_girocco_config_pm_var_list
() (
47 # Export all the variables from Girocco::Config to suitable var= lines
48 # prefixing them with 'cfg_'. E.g. $cfg_admin is admin's mail address now
49 # and also setting a 'defined_cfg_' prefix to 1 if they are not undef.
50 __girocco_conf
="$GIROCCO_CONF"
51 [ -n "$__girocco_conf" ] || __girocco_conf
="Girocco::Config"
52 [ -z "$basedir" ] || __girocco_extrainc
="-I$basedir"
53 [ -z "$orig_path" ] ||
{ PATH
="$orig_path" && export PATH
; }
54 perl
-I@basedir@
$__girocco_extrainc -M$__girocco_conf -le \
55 'foreach (sort {uc($a) cmp uc($b)} keys %Girocco::Config::) {
56 my $val = ${$Girocco::Config::{$_}}; defined($val) or $val="";
57 $val =~ s/([\\"\$\`])/\\$1/gos;
58 $val =~ s/(?:\r\n|\r|\n)$//os;
59 print "cfg_$_=\"$val\"";
60 print "defined_cfg_$_=",
61 (defined(${$Girocco::Config::{$_}})?"1":"");
65 # Returns full command path for "$1" if it's a valid command otherwise returns "$1"
67 if _fp
="$(command -v "$1" 2>/dev/null)"; then
74 get_girocco_config_var_list
() (
75 # Same as get_girocco_config_pm_var_list except that
76 # the following variables (all starting with var_) are added:
77 # var_group cfg_owning_group if defined otherwise `id -gn`
78 # var_git_ver The version number part from `git version`
79 # var_git_exec_path The result of $cfg_git_bin --exec-dir
80 # var_sh_bin Full path to the posix sh interpreter to use
81 # var_perl_bin Full path to the perl interpreter to use
82 # var_gzip_bin Full path to the gzip executable to use
83 # var_nc_openbsd_bin Full path to the netcat (nc) with -U support
84 # var_have_git_171 Set to 1 if git version >= 1.7.1 otherwise ''
85 # var_have_git_172 Set to 1 if git version >= 1.7.2 otherwise ''
86 # var_have_git_173 Set to 1 if git version >= 1.7.3 otherwise ''
87 # var_have_git_1710 Set to 1 if git version >= 1.7.10 otherwise ''
88 # var_have_git_185 Set to 1 if git version >= 1.8.5 otherwise ''
89 # var_have_git_210 Set to 1 if git version >= 2.1.0 otherwise ''
90 # var_have_git_235 Set to 1 if git version >= 2.3.5 otherwise ''
91 # var_have_git_260 Set to 1 if git version >= 2.6.0 otherwise ''
92 # var_have_git_2101 Set to 1 if git version >= 2.10.1 otherwise ''
93 # var_window_memory Value to use for repack --window-memory=
94 # var_big_file_threshold Value to use for core.bigFileThreshold
95 # var_redelta_threshold Recompute deltas if no more than this many objs
96 # var_upload_window If not "", pack.window to use for upload-pack
97 # var_log_window_size Value to use for git-svn --log-window-size=
98 # var_utf8_locale Value to use for a UTF-8 locale if available
99 # var_xargs_r A "-r" if xargs needs it to behave correctly
100 # var_du_exclude Option to exclude PATTERN from du if available
101 # var_du_follow Option to follow command line sym links if available
102 _cfg_vars
="$(get_girocco_config_pm_var_list)"
104 printf '%s\n' "$_cfg_vars"
105 printf 'var_group=%s\n' "${cfg_owning_group:-$(id -gn)}"
106 _gver
="$("$cfg_git_bin" version 2>/dev/null |
107 LC_ALL=C sed -ne 's/^[^0-9]*\([0-9][0-9]*\(\.[0-9][0-9]*\)*\).*$/\1/p')"
108 printf 'var_git_ver=%s\n' "$_gver"
109 printf 'var_git_exec_path="%s"\n' "$("$cfg_git_bin" --exec-path 2>/dev/null)"
110 printf 'var_sh_bin="%s"\n' "$(_fcp "${cfg_posix_sh_bin:-/bin/sh}")"
111 printf 'var_perl_bin="%s"\n' "$(_fcp "${cfg_perl_bin:-$(unset -f perl; command -v perl)}")"
112 printf 'var_gzip_bin="%s"\n' "$(_fcp "${cfg_gzip_bin:-$(unset -f gzip; command -v gzip)}")"
113 printf 'var_nc_openbsd_bin="%s"\n' "$(_fcp "${cfg_nc_openbsd_bin:-$(unset -f nc; command -v nc)}")"
114 printf 'var_have_git_171=%s\n' "$([ $(vcmp "$_gver" 1.7.1) -ge 0 ] && echo 1)"
115 printf 'var_have_git_172=%s\n' "$([ $(vcmp "$_gver" 1.7.2) -ge 0 ] && echo 1)"
116 printf 'var_have_git_173=%s\n' "$([ $(vcmp "$_gver" 1.7.3) -ge 0 ] && echo 1)"
117 printf 'var_have_git_1710=%s\n' "$([ $(vcmp "$_gver" 1.7.10) -ge 0 ] && echo 1)"
118 printf 'var_have_git_185=%s\n' "$([ $(vcmp "$_gver" 1.8.5) -ge 0 ] && echo 1)"
119 printf 'var_have_git_210=%s\n' "$([ $(vcmp "$_gver" 2.1.0) -ge 0 ] && echo 1)"
120 printf 'var_have_git_235=%s\n' "$([ $(vcmp "$_gver" 2.3.5) -ge 0 ] && echo 1)"
121 printf 'var_have_git_260=%s\n' "$([ $(vcmp "$_gver" 2.6.0) -ge 0 ] && echo 1)"
122 printf 'var_have_git_2101=%s\n' "$([ $(vcmp "$_gver" 2.10.1) -ge 0 ] && echo 1)"
123 __girocco_conf
="$GIROCCO_CONF"
124 [ -n "$__girocco_conf" ] || __girocco_conf
="Girocco::Config"
125 [ -z "$basedir" ] || __girocco_extrainc
="-I$basedir"
126 printf "var_window_memory=%s\n" \
127 "$(perl -I@basedir@ $__girocco_extrainc -M$__girocco_conf \
128 -MGirocco::Util -e 'print calc_windowmemory')"
129 printf "var_big_file_threshold=%s\n" \
130 "$(perl -I@basedir@ $__girocco_extrainc -M$__girocco_conf \
131 -MGirocco::Util -e 'print calc_bigfilethreshold')"
132 printf "var_redelta_threshold=%s\n" \
133 "$(perl -I@basedir@ $__girocco_extrainc -M$__girocco_conf \
134 -MGirocco::Util -e 'print calc_redeltathreshold')"
135 if [ -n "$cfg_upload_pack_window" ] && [ "$cfg_upload_pack_window" -ge 2 ] &&
136 [ "$cfg_upload_pack_window" -le 50 ]; then
137 printf "var_upload_window=%s\n" "$cfg_upload_pack_window"
139 printf "var_upload_window=%s\n" ""
141 printf 'var_log_window_size=%s\n' "${cfg_svn_log_window_size:-250}"
142 # We parse the output of `locale -a` and select a suitable UTF-8 locale.
143 _guess_locale
="$(locale -a | LC_ALL=C grep -viE '^(posix|c)(\..*)?$' |
144 LC_ALL=C grep -iE '\.utf-?8$' | LC_ALL=C sed -e 's/\.[Uu][Tt][Ff]-*8$//' |
145 LC_ALL=C sed -e '/en_US/ s/^/0 /; /en_US/ !s/^/1 /' | LC_ALL=C sort |
146 head -n 1 | LC_ALL=C cut -d ' ' -f 2)"
147 [ -z "$_guess_locale" ] ||
printf 'var_utf8_locale=%s.UTF-8\n' "$_guess_locale"
148 # On some broken platforms running xargs without -r and empty input runs the command
149 printf 'var_xargs_r=%s\n' "$(</dev/null command xargs printf %s -r)"
150 # The disk usage report produces better numbers if du has an exclude option
151 _x0
="$(basename "$0")"
153 for _duopt
in --exclude -I; do
154 if _test
="$(du $_duopt 's?lib.s*' $_duopt "$_x0" "$0" 2>/dev/null)" && [ -z "$_test" ]; then
155 printf 'var_du_exclude=%s\n' "$_duopt"
159 if _test
="$(du -H "$0" 2>/dev/null)" && [ -n "$_test" ]; then
160 printf 'var_du_follow=%s\n' "-H"
165 # If basedir has been replaced, and shlib_vars.sh exists, get the config
166 # definitions from it rather than running Perl.
167 if [ "@basedir@" = '@'basedir
'@' ] ||
! [ -r "@basedir@/shlib_vars.sh" ]; then
168 # Import all the variables from Girocco::Config to the local environment,
169 eval "$(get_girocco_config_var_list)"
171 # Import the variables from shlib_vars.sh which avoids needlessly
172 # running another copy of Perl
173 .
"@basedir@/shlib_vars.sh"
176 # git_add_config "some.var=value"
177 # every ' in value must be replaced with the 4-character sequence '\'' before
178 # calling this function or Git will barf. Will not be effective unless running
179 # Git version 1.7.3 or later.
181 GIT_CONFIG_PARAMETERS
="${GIT_CONFIG_PARAMETERS:+$GIT_CONFIG_PARAMETERS }'$1'"
182 export GIT_CONFIG_PARAMETERS
185 # Make sure we have a reproducible environment by using a controlled HOME dir
186 XDG_CONFIG_HOME
="$cfg_chroot/var/empty"
187 HOME
="$cfg_chroot/etc/girocco"
189 GIT_CONFIG_NOSYSTEM
=1
191 GIT_NO_REPLACE_OBJECTS
=1
192 GIT_TERMINAL_PROMPT
=0
195 GIT_ASKPASS
="$cfg_basedir/bin/git-askpass-password"
197 GIROCCO_SUPPRESS_AUTO_GC_UPDATE
=1
198 GIT_SSH
="$cfg_basedir/bin/git-ssh"
199 SVN_SSH
="$cfg_basedir/bin/git-ssh"
200 export XDG_CONFIG_HOME
203 export GIT_CONFIG_NOSYSTEM
204 export GIT_ATTR_NOSYSTEM
205 export GIT_NO_REPLACE_OBJECTS
206 export GIT_TERMINAL_PROMPT
211 export GIROCCO_SUPPRESS_AUTO_GC_UPDATE
215 unset GIT_HTTP_USER_AGENT
216 if [ -n "$defined_cfg_git_client_ua" ]; then
217 GIT_USER_AGENT
="$cfg_git_client_ua"
218 export GIT_USER_AGENT
220 unset GIT_CONFIG_PARAMETERS
221 git_add_config
"core.ignoreCase=false"
222 git_add_config
"core.pager=cat"
223 if [ -n "$cfg_git_no_mmap" ]; then
224 # Just like compiling with NO_MMAP
225 git_add_config
"core.packedGitWindowSize=1m"
227 # Always use the 32-bit default (32m) even on 64-bit to avoid memory blowout
228 git_add_config
"core.packedGitWindowSize=32m"
230 [ -z "$var_big_file_threshold" ] ||
231 git_add_config
"core.bigFileThreshold=$var_big_file_threshold"
232 git_add_config
"gc.auto=0"
234 # Make sure any sendmail.pl config is always available
235 unset SENDMAIL_PL_HOST
236 unset SENDMAIL_PL_PORT
237 unset SENDMAIL_PL_NCBIN
238 unset SENDMAIL_PL_NCOPT
239 [ -z "$cfg_sendmail_pl_host" ] ||
{ SENDMAIL_PL_HOST
="$cfg_sendmail_pl_host" && export SENDMAIL_PL_HOST
; }
240 [ -z "$cfg_sendmail_pl_port" ] ||
{ SENDMAIL_PL_PORT
="$cfg_sendmail_pl_port" && export SENDMAIL_PL_PORT
; }
241 [ -z "$cfg_sendmail_pl_ncbin" ] ||
{ SENDMAIL_PL_NCBIN
="$cfg_sendmail_pl_ncbin" && export SENDMAIL_PL_NCBIN
; }
242 [ -z "$cfg_sendmail_pl_ncopt" ] ||
{ SENDMAIL_PL_NCOPT
="$cfg_sendmail_pl_ncopt" && export SENDMAIL_PL_NCOPT
; }
244 # Set PATH and PYTHON to the values set by Config.pm, if any
246 [ -z "$cfg_python" ] ||
{ PYTHON
="$cfg_python" && export PYTHON
; }
247 [ -z "$cfg_path" ] ||
{ orig_path
="$PATH" && PATH
="$cfg_path" && export PATH
; }
249 # Extra GIT variables that generally ought to be cleared, but whose clearing
250 # could potentially interfere with the correct operation of hook scripts so
251 # they are segregated into a separate function for use as appropriate
253 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
258 unset GIT_OBJECT_DIRECTORY
262 # We cannot use a git() {} or nc_openbsd() {} function to redirect git
263 # and nc_openbsd to the desired executables because when using
264 # "ENV_VAR=xxx func" the various /bin/sh implementations behave in various
265 # different and unexpected ways:
266 # a) treat "ENV_VAR=xxx" like a separate, preceding "export ENV_VAR=xxx"
267 # b) treat "ENV_VAR=xxx" like a separate, prededing "ENV_VAR=xxx"
268 # c) treat "ENV_VAR=xxx" like a temporary setting only while running func
269 # None of these are good. We want a temporary "export ENV_VAR=xxx"
270 # setting only while running func which none of the /bin/sh's do.
272 # Instead we'd like to use an alias that provides the desired behavior without
273 # any of the bad (a), (b) or (c) effects.
275 # However, unfortunately, some of the crazy /bin/sh implementations do not
276 # recognize alias expansions when preceded by variable assignments!
278 # So we are left with git() {} and nc_openbsd() {} functions and in the
279 # case of git() {} we can compensate for (b) and (c) failing to export
280 # but not (a) and (b) persisting the values so the caller will simply
281 # have to beware and explicitly unset any variables that should not persist
282 # beyond the function call itself.
285 [ z
"${GIT_DIR+set}" != z
"set" ] ||
export GIT_DIR
286 [ z
"${GIT_SSL_NO_VERIFY+set}" != z
"set" ] ||
export GIT_SSL_NO_VERIFY
287 [ z
"${GIT_TRACE_PACKET+set}" != z
"set" ] ||
export GIT_TRACE_PACKET
288 [ z
"${GIT_USER_AGENT+set}" != z
"set" ] ||
export GIT_USER_AGENT
289 [ z
"${GIT_HTTP_USER_AGENT+set}" != z
"set" ] ||
export GIT_HTTP_USER_AGENT
290 exec "$cfg_git_bin" "$@"
293 # Since we do not yet require at least Git 1.8.5 this is a compatibility function
294 # that allows us to use git update-ref --stdin where supported and the slow shell
295 # script where not, but only the "delete" operation is currently supported.
296 git_updateref_stdin
() {
297 if [ -n "$var_have_git_185" ]; then
298 git update-ref
--stdin
300 while read -r _op _ref
; do
303 git update-ref
-d "$_ref"
306 echo "bad git_updateref_stdin op: $_op" >&2
314 # see comments for git() -- callers must explicitly export all variables
315 # intended for the commands these functions run before calling them
316 perl
() { command "${var_perl_bin:-perl}" "$@"; }
317 gzip() { command "${var_gzip_bin:-gzip}" "$@"; }
319 nc_openbsd
() { command "$var_nc_openbsd_bin" "$@"; }
321 list_packs
() { command "$cfg_basedir/bin/list_packs" "$@"; }
323 readlink
() { command "$cfg_basedir/bin/readlink" "$@"; }
325 strftime
() { command "$cfg_basedir/bin/strftime" "$@"; }
327 # Some platforms' broken xargs runs the command always at least once even if
328 # there's no input unless given a special option. Automatically supply the
329 # option on those platforms by providing an xargs function.
330 xargs() { command xargs $var_xargs_r "$@"; }
334 for _addr
in "$@"; do
335 [ -z "$_list" ] || _list
="$_list, "
342 _mailer
="${cfg_sendmail_bin:-/usr/sbin/sendmail}"
343 if [ -n "$cfg_sender" ]; then
344 "$_mailer" -i -f "$cfg_sender" "$@"
350 # First argument is an id WITHOUT surrounding '<' and '>' to use in a
351 # "References:" header. It may be "" to suppress the "References" header.
352 # Following arguments are just like mail function
355 if [ $# -ge 1 ]; then
360 if [ "$1" = "-s" ]; then
366 echo "From: \"$cfg_name\" ($cfg_title) <$cfg_admin>"
367 echo "To: $(_addrlist "$@
")"
368 [ -z "$_subject" ] ||
echo "Subject: $_subject"
369 echo "MIME-Version: 1.0"
370 echo "Content-Type: text/plain; charset=UTF-8"
371 echo "Content-Transfer-Encoding: 8bit"
372 [ -z "$_references" ] ||
echo "References: <$_references>"
373 [ -n "$cfg_suppress_x_girocco" ] ||
echo "X-Girocco: $cfg_gitweburl"
374 echo "Auto-Submitted: auto-generated"
380 # Usage: mail [-s <subject>] <addr> [<addr>...]
385 # bang CMD... will execute the command with well-defined failure mode;
386 # set bang_action to string of the failed action ('clone', 'update', ...);
387 # re-define the bang_trap() function to do custom cleanup before bailing out
391 [ "${bang_errcode:-0}" = "0" ] || bang_failed
398 if [ "${show_progress:-0}" != "0" ]; then
400 read -r bang_errcode
<<-EOT || :
402 exec 4>&3 3>&1 1>&4 4>&-
403 { "$@" 3>&- || echo $? >&3; } 2>&1 | tee -i -a "$bang_log"
407 if [ -z "$bang_errcode" ] ||
[ "$bang_errcode" = "0" ]; then
414 if "$@" >>"$bang_log" 2>&1; then
429 cat "$bang_log" >.banglog
431 echo "$bang_cmd failed with error code $bang_errcode" >>.banglog
432 ! [ -d htmlcache
] ||
{ >htmlcache
/changed
; } 2>/dev
/null ||
:
433 if [ "${show_progress:-0}" != "0" ]; then
435 echo "$bang_cmd failed with error code $bang_errcode"
437 if [ -e .bangagain
]; then
438 git config
--remove-section girocco.bang
2>/dev
/null ||
:
441 bangcount
="$(git config --int girocco.bang.count 2>/dev/null)" ||
:
442 bangcount
=$
(( ${bangcount:-0} + 1 ))
443 git config
--int girocco.bang.count
$bangcount
444 if [ $bangcount -eq 1 ]; then
445 git config girocco.bang.firstfail
"$(TZ=UTC date "+%Y-
%m-
%d
%T UTC
")"
447 if [ $bangcount -ge $cfg_min_mirror_failure_message_count ] &&
448 [ "$(git config --bool girocco.bang.messagesent 2>/dev/null || :)" != "true" ] &&
449 ! check_interval
"girocco.bang.firstfail" $cfg_min_mirror_failure_message_interval; then
450 bangmailok
="$(git config --bool gitweb.statusupdates 2>/dev/null || echo true)"
452 [ "$bangmailok" = "false" ] ||
[ -z "$mail" ] || bangaddrs
="$mail"
453 [ -z "$cfg_admincc" ] ||
[ "$cfg_admincc" = "0" ] ||
[ -z "$cfg_admin" ] ||
454 if [ -z "$bangaddrs" ]; then bangaddrs
="$cfg_admin"; else bangaddrs
="$bangaddrs,$cfg_admin"; fi
456 [ $bangcount -le 1 ] || rsubj
=" repeatedly"
457 [ -z "$bangaddrs" ] ||
459 echo "$bang_cmd failed with error code $bang_errcode"
462 if [ $bangcount -gt 1 ]; then
463 echo "$bangcount consecutive update failures have occurred since $(config_get girocco.bang.firstfail)"
466 echo "you will not receive any more notifications until recovery"
467 echo "this status message may be disabled on the project admin page"
472 } | mailref
"update@$cfg_gitweburl/$proj.git" -s "[$cfg_name] $proj $bang_action failed$rsubj" "$bangaddrs"
473 git config
--bool girocco.bang.messagesent true
476 [ $bangcount -lt 15 ] ||
477 check_interval
"girocco.bang.firstfail" $
(( $cfg_min_mirror_interval * 3 / 2 )) ||
479 bang_trap
$bangthrottle
480 [ -n "$bang_errcode" ] && [ "$bang_errcode" != "0" ] || bang_errcode
=1
484 # bang_eval CMD... will evaluate the command with well-defined failure mode;
485 # Identical to bang CMD... except the command is eval'd instead of executed.
490 # Default bang settings:
493 bang_action
="lame_programmer"
495 bang_tmpdir
="${TMPDIR:-/tmp}"
496 bang_tmpdir
="${bang_tmpdir%/}"
497 bang_log
="$(mktemp "${bang_tmpdir:-/tmp}/repomgr-XXXXXX
")"
499 echo "bang_setup called with current directory not a git directory" >&2
502 trap 'rm -f "$bang_log"' EXIT
503 trap '[ -z "$bang_active" ] || { bang_errcode=130; bang_failed; }; exit 130' INT
504 trap '[ -z "$bang_active" ] || { bang_errcode=143; bang_failed; }; exit 143' TERM
507 # Remove banged status
509 rm -f .banged .bangagain .banglog
510 git config
--remove-section girocco.bang
2>/dev
/null ||
:
513 # Check to see if banged status
518 # Check to see if banged message was sent
519 was_banged_message_sent
() {
520 [ "$(git config --bool girocco.bang.messagesent 2>/dev/null || :)" = "true" ]
523 # Progress report - if show_progress is set, shows the given message.
525 [ "${show_progress:-0}" = "0" ] ||
echo "$*"
528 # Project config accessors; must be run in project directory
534 git config
"gitweb.$1";;
539 git config
"gitweb.$1" "$2" && chgrp
$var_group config
&& chmod g
+w config
543 git config
"$1" "$2" && chgrp
$var_group config
&& chmod g
+w config
546 config_get_date_seconds
() {
547 _dt
="$(config_get "$1")" ||
:
548 [ -n "$_dt" ] ||
return 1
549 _ds
="$(perl -I@basedir@ -MGirocco::Util -e "print parse_any_date
('$_dt')")"
550 [ -n "$_ds" ] ||
return 1
554 # Tool for checking whether given number of seconds has not passed yet
556 os
="$(config_get_date_seconds "$1")" ||
return 1
558 [ $ns -lt $
(($os+$2)) ]
561 # Check if we are running with effective root permissions
563 [ "$(id -u 2>/dev/null)" = "0" ]
566 # Check to see if the single argument (default ".") is a Git directory
568 # Just like Git's test except we ignore GIT_OBJECT_DIRECTORY
569 # And we are slightly more picky (must be refs/.+ not refs/.*)
570 [ $# -ne 0 ] ||
set -- "."
571 [ -d "$1/objects" ] && [ -x "$1/objects" ] ||
return 1
572 [ -d "$1/refs" ] && [ -x "$1/refs" ] ||
return 1
573 if [ -L "$1/HEAD" ]; then
574 _hr
="$(readlink "$1/HEAD
")"
575 case "$_hr" in "refs/"?
*) :;; *) return 1;; esac
577 [ -f "$1/HEAD" ] && [ -r "$1/HEAD" ] ||
return 1
578 read -r _hr
<"$1/HEAD" ||
return 1
581 [ "${_hr#*[!0-9a-f]}" = "$_hr" ] ||
return 1
586 _hr
="${_hr##ref:*[ $tab]}"
587 case "$_hr" in "refs/"?
*) return 0;; esac
592 # Check to see if the single argument (default ".") is a directory with no refs
593 is_empty_refs_dir
() {
594 [ $# -ne 0 ] ||
set -- "."
595 if [ -s "$1/packed-refs" ]; then
596 # could be a packed-refs file with just a '# pack-refs ..." line
597 # null hash lines and peel lines do not count either
598 _refcnt
="$(( $(LC_ALL=C sed <"$1/packed-refs
" \
600 -e "/^
$octet20$hexdig* refs\
/[^
$tab]*\$
/!d
" | wc -l) ))"
601 [ "${_refcnt:-0}" -eq 0 ] ||
return 1
603 if [ -d "$1/refs" ]; then
604 # quick and dirty check, doesn't try to validate contents
605 # or ignore embedded symbolic refs
606 _refcnt
="$(( $(find -L "$1/refs
" -type f -print 2>/dev/null | head -n 1 | LC_ALL=C wc -l) ))"
607 [ "${_refcnt:-0}" -eq 0 ] ||
return 1
609 # last chance a detached HEAD (we ignore any linked working trees though)
610 [ -s "$1/HEAD" ] && read -r _hr
<"$1/HEAD" && [ -n "$_hr" ] ||
return 0
611 [ "${_hr#*[!0-9a-f]}" != "$_hr" ] || [ "${_hr#*[!0]}" = "$_hr" ] || [ "${#_hr}" -lt 40 ] ||
return 1
615 # List all Git repositories, with given prefix if specified, one-per-line
616 # All project names starting with _ are always excluded from the result
619 LC_ALL
=C cut
-d : -f 1,3 "$cfg_chroot"/etc
/group | LC_ALL
=C
grep "^$1"
621 LC_ALL
=C cut
-d : -f 1,3 "$cfg_chroot"/etc
/group
622 fi |
while IFS
=: read name id
; do
623 [ $id -lt 65536 ] ||
case "$name" in _
*) :;; ?
*) echo "$name"; esac
627 # set the variable named by the first argument to the project part (i.e. WITH
628 # the trailing ".git" but WITHOUT the leading $cfg_reporoot) of the directory
629 # specified by the second argument.
630 # This function cannot be fooled by symbolic links.
631 # If the second argument is omitted (or empty) use $(pwd -P) instead.
632 # The directory specified by the second argument must exist.
633 v_get_proj_from_dir
() {
634 [ -n "$2" ] ||
set -- "$1" "$(pwd -P)"
635 [ -d "$2" ] ||
return 1
638 # Simple case that does not need any fancy footwork
639 _projpart
="${2#$cfg_reporoot/}"
642 _absrr
="$(cd "$cfg_reporoot" && pwd -P)"
643 _abspd
="$(cd "$2" && pwd -P)"
647 _projpart
="${_abspd#$_absrr/}"
650 # Must have been reached via a symbolic link, but
651 # we have no way to know the source, so use a
652 # generic "_external" leader combined with just the
653 # trailing directory name
655 _abspd
="${_abspd%/.git}"
656 _projpart
="_external/${_abspd##*/}"
660 eval "$1="'"$_projpart"'
663 # Return success if the given project name has at least one immediate child fork
664 # that has a non-zero length alternates file
665 has_forks_with_alternates
() {
667 [ -n "$_prj" ] ||
return 1
668 [ -d "$cfg_reporoot/$_prj" ] ||
return 1
669 is_git_dir
"$cfg_reporoot/$_prj.git" ||
return 1
671 get_repo_list
"$_prj/[^/:][^/:]*:" |
672 while read -r _prjname
&& [ -n "$_prjname" ]; do
673 ! [ -s "$cfg_reporoot/$_prjname.git/objects/info/alternates" ] ||
674 exit 1 # will only exit implicit subshell created by '|'
682 # returns empty string and error for empty string otherwise one of
683 # m => normal Git mirror
684 # s => mirror from svn source
685 # d => mirror from darcs source
686 # b => mirror from bzr source
687 # h => mirror from hg source
688 # w => mirror from mediawiki source
689 # f => mirror from other fast-import source
690 # note that if the string is non-empty and none of s, d, b or h match the
691 # return will always be type m regardless of whether it's a valid Git URL
692 get_url_mirror_type
() {
697 svn
://* | svn
+http
://* | svn
+https
://* | svn
+file://* | svn
+ssh://*)
706 hg
+http
://* | hg
+https
://* | hg
+file://* | hg
+ssh://* | hg
::*)
719 # returns false for empty string
720 # returns true if the passed in url is a mirror using git fast-import
721 is_gfi_mirror_url
() {
722 [ -n "$1" ] ||
return 1
723 case "$(get_url_mirror_type "$1" 2>/dev/null || :)" in
725 # darcs, bzr, hg and mediawiki mirrors use git fast-import
726 # and so do generic "f" fast-import mirrors
730 # Don't think git-svn currently uses git fast-import
731 # And Git mirrors certainly do not
735 # assume it does not use git fast-import
739 # returns false for empty string
740 # returns true if the passed in url is a mirror using git-svn
741 is_svn_mirror_url
() {
742 [ -n "$1" ] ||
return 1
743 [ "$(get_url_mirror_type "$1" 2>/dev/null || :)" = "s" ]
746 # returns mirror url for gitweb.baseurl of git directory
747 # (GIT_DIR) passed in as the argument (which defaults to "." if omitted)
748 # will fail if the directory does not have .nofetch and gitweb.baseurl
749 # comes back empty -- otherwise .nofetch directories succeed with a "" return
750 # automatically strips any leading "disabled " prefix before returning result
753 # always return empty for non-mirrors
754 ! [ -e "$_gitdir/.nofetch" ] ||
return 0
755 _url
="$(GIT_DIR="$_gitdir" config_get baseurl 2>/dev/null)" ||
:
757 [ -n "$_url" ] ||
return 1
758 printf '%s\n' "$_url"
762 # returns get_url_mirror_type for gitweb.baseurl of git directory
763 # (GIT_DIR) passed in as the argument (which defaults to "." if omitted)
764 # will fail if the directory does not have .nofetch and gitweb.baseurl
765 # comes back empty -- otherwise .nofetch directories succeed with a "" return
766 # automatically strips any leading "disabled " prefix before testing
768 _url
="$(get_mirror_url "$@
")" ||
return 1
769 [ -n "$_url" ] ||
return 0
770 get_url_mirror_type
"$_url"
773 # returns true if the passed in git dir (defaults to ".") is a mirror using git fast-import
775 _url
="$(get_mirror_url "$@
")" ||
return 1
776 is_gfi_mirror_url
"$_url"
779 # returns true if the passed in git dir (defaults to ".") is a mirror using git-svn
781 _url
="$(get_mirror_url "$@
")" ||
return 1
782 is_svn_mirror_url
"$_url"
785 # current directory must already be set to Git repository
786 # if girocco.headok is already true succeeds without doing anything
787 # if rev-parse --verify HEAD succeeds sets headok=true and succeeds
788 # otherwise tries to set HEAD to a symbolic ref to refs/heads/master
789 # then refs/heads/trunk and finally the first top-level head from
790 # refs/heads/* (i.e. only two slashes in the name) and finally any
791 # existing refs/heads. The first one to succeed wins and sets headok=true
792 # and then a successful exit. Otherwise headok is left unset with a failure exit
793 # We use the girocco.headok flag to make sure we only force a valid HEAD symref
794 # when the repository is being set up -- if the HEAD is later deleted (through
795 # a push or fetch --prune) that's no longer our responsibility to fix
796 check_and_set_head
() {
797 [ "$(git config --bool girocco.headok 2>/dev/null || :)" != "true" ] ||
return 0
798 if git rev-parse
--verify --quiet HEAD
>/dev
/null
; then
799 git config
--bool girocco.headok true
802 for _hr
in refs
/heads
/master refs
/heads
/trunk
; do
803 if git rev-parse
--verify --quiet "$_hr" >/dev
/null
; then
804 _update_head_symref
"$_hr"
808 git for-each-ref
--format="%(refname)" refs
/heads
2>/dev
/null |
809 while read -r _hr
; do
810 case "${_hr#refs/heads/}" in */*) :;; *)
811 _update_head_symref
"$_hr"
812 exit 1 # exit subshell created by "|"
815 _hr
="$(git for-each-ref --format="%(refname
)" refs/heads 2>/dev/null | head -n 1)" ||
:
816 if [ -n "$_hr" ]; then
817 _update_head_symref
"$_hr"
822 _update_head_symref
() {
823 git symbolic-ref HEAD
"$1"
824 git config
--bool girocco.headok true
825 ! [ -d htmlcache
] ||
{ >htmlcache
/changed
; } 2>/dev
/null ||
:
828 # current directory must already be set to Git repository
829 # if the directory needs to have gc run and .needsgc is not already set
830 # then .needsgc will be set triggering a "mini" gc at the next opportunity
831 # Girocco shouldn't generate any loose objects but we check for that anyway
832 check_and_set_needsgc
() {
833 # If there's a .needspack file and ANY loose objects with a newer timestamp
834 # then also set .needsgc otherwise remove it. The only caller that may set
835 # .needspack is a mirror therefore we don't have to worry about removing a
836 # .needspack out from under a simultaneous creator. We always do this and
837 # do it first to try and avoid leaving a stale .needspack lying around.
838 if [ -e .needspack
]; then
840 _objfiles
="$(( $(find -L objects/$octet -maxdepth 1 -newer .needspack -name "$octet19*" -type f -print 2>/dev/null |
841 head -n 1 | LC_ALL=C wc -l) +0 ))"
842 if [ "${_objfiles:-0}" = "0" ]; then
845 [ -e .needsgc
] ||
>.needsgc
848 ! [ -e .needsgc
] ||
return 0
850 { _packs
="$(list_packs --quiet --count --exclude-no-idx --exclude-keep objects/pack || :)" ||
:; } 2>/dev
/null
851 if [ "${_packs:-0}" -ge 20 ]; then
856 { _logfiles
="$(($(find -L reflogs -maxdepth 1 -type f -print | wc -l || :)+0))" ||
:; } 2>/dev
/null
857 if [ "${_logfiles:-0}" -ge 50 ]; then
861 # Truly git gc only checks the number of objects in the objects/17 directory
862 # We check for -ge 10 which should make the probability of having more than
863 # 5120 (20*256) loose objects present when there are less than 10 in
864 # objects/17 vanishingly small (20 is the threshold we use for pack files)
866 ! [ -d objects
/17 ] ||
867 { _objfiles
="$(($(find -L objects/17 -type f -name "$octet19*" -print | wc -l || :)+0))" ||
:; } 2>/dev
/null
868 if [ "${_objfiles:-0}" -ge 10 ]; then
874 # A well-known UTF-8 locale is required for some of the fast-import providers
875 # in order to avoid mangling characters. Ideally we could use "POSIX.UTF-8"
876 # but that is not reliably UTF-8 but rather usually US-ASCII.
877 # We parse the output of `locale -a` and select a suitable UTF-8 locale at
878 # install time and store that in $var_utf8_locale if one is found.
879 # If we cannot find one in the `locale -a` output then we just use a well-known
880 # UTF-8 locale and hope for the best. We set LC_ALL to our choice and export
881 # it. We only set this temporarily when running the fast-import providers.
883 LC_ALL
="${var_utf8_locale:-en_US.UTF-8}"
887 # hg-fast-export | git fast-import with error handling in current directory GIT_DIR
890 _python
="${PYTHON:-python}"
891 rm -f hg2git-marks.old hg2git-marks.new
892 if [ -f hg2git-marks
] && [ -s hg2git-marks
]; then
893 LC_ALL
=C
sed 's/^:\([^ ][^ ]*\) \([^ ][^ ]*\)$/\2 \1/' <hg2git-marks |
{
894 if [ -n "$var_have_git_185" ]; then
895 git cat-file
--batch-check=':%(rest) %(objectname)'
897 LC_ALL
=C
sed 's/^\([^ ][^ ]*\) \([^ ][^ ]*\)$/:\2 \1/'
899 } | LC_ALL
=C
sed '/ missing$/d' >hg2git-marks.old
900 if [ -n "$var_have_git_171" ] &&
901 git rev-parse
--quiet --verify refs
/notes
/hg
>/dev
/null
; then
902 if [ -z "$var_have_git_185" ] ||
903 ! LC_ALL
=C
cmp -s hg2git-marks hg2git-marks.old
; then
905 GIT_AUTHOR_NAME
="$_nm"
906 GIT_COMMITTER_NAME
="$_nm"
907 GIT_AUTHOR_EMAIL
="$_nm"
908 GIT_COMMITTER_EMAIL
="$_nm"
909 export GIT_AUTHOR_NAME
910 export GIT_COMMITTER_NAME
911 export GIT_AUTHOR_EMAIL
912 export GIT_COMMITTER_EMAIL
913 git notes
--ref=refs
/notes
/hg prune
914 unset GIT_AUTHOR_NAME
915 unset GIT_COMMITTER_NAME
916 unset GIT_AUTHOR_EMAIL
917 unset GIT_COMMITTER_EMAIL
926 { read -r _err1 ||
:; read -r _err2 ||
:; } <<-EOT
928 exec 4>&3 3>&1 1>&4 4>&-
931 _af="$(git config hg.authorsfile)" || :
932 _cmd='GIT_DIR="$(pwd)" "$_python" "$cfg_basedir/bin/hg-fast-export.py" \
933 --repo "$(pwd)/repo.hg" \
934 --marks "$(pwd)/hg2git-marks.old" \
935 --mapping "$(pwd)/hg2git-mapping" \
936 --heads "$(pwd)/hg2git-heads" \
937 --status "$(pwd)/hg2git-state" \
938 -U unknown --force --flatten --hg-hash'
939 [ -z "$_af" ] || _cmd="$_cmd"' --authors "$_af"'
940 eval "$_cmd" 3>&- || _e1=$?
946 --import-marks="$(pwd)/hg2git-marks.old" \
947 --export-marks="$(pwd)/hg2git-marks.new" \
948 --export-pack-edges="$(pwd)/gfi-packs" \
949 --force 3>&- || _e2=$?
955 [ "$_err1" = 0 ] && [ "$_err2" = 0 ] ||
return 1
956 mv -f hg2git-marks.new hg2git-marks
957 rm -f hg2git-marks.old
958 git for-each-ref
--format='%(refname) %(objectname)' refs
/heads |
959 LC_ALL
=C
sed -e 's,^refs/heads/,:,' >hg2git-heads