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$basedir"
54 [ "@basedir@" != '@'basedir
'@' ] || inc_basedir
="$PWD"
55 [ -z "$orig_path" ] ||
{ PATH
="$orig_path" && export PATH
; }
56 perl
-I"$inc_basedir" $__girocco_extrainc -M$__girocco_conf -le \
57 'foreach (sort {uc($a) cmp uc($b)} keys %Girocco::Config::) {
58 my $val = ${$Girocco::Config::{$_}}; defined($val) or $val="";
59 $val =~ s/([\\"\$\`])/\\$1/gos;
60 $val =~ s/(?:\r\n|\r|\n)$//os;
61 print "cfg_$_=\"$val\"";
62 print "defined_cfg_$_=",
63 (defined(${$Girocco::Config::{$_}})?"1":"");
67 # Returns full command path for "$1" if it's a valid command otherwise returns "$1"
69 if _fp
="$(command -v "$1" 2>/dev/null)"; then
76 get_girocco_config_var_list
() (
77 # Same as get_girocco_config_pm_var_list except that
78 # the following variables (all starting with var_) are added:
79 # var_group cfg_owning_group if defined otherwise `id -gn`
80 # var_group_gid group id number of $var_group
81 # var_mirror_uid user id number of $cfg_mirror_user
82 # var_cgi_uid user id number of $cfg_cgi_user
83 # var_git_ver The version number part from `git version`
84 # var_git_exec_path The result of $cfg_git_bin --exec-dir
85 # var_sh_bin Full path to the posix sh interpreter to use
86 # var_perl_bin Full path to the perl interpreter to use
87 # var_gzip_bin Full path to the gzip executable to use
88 # var_nc_openbsd_bin Full path to the netcat (nc) with -U support
89 # var_have_git_171 Set to 1 if git version >= 1.7.1 otherwise ''
90 # var_have_git_172 Set to 1 if git version >= 1.7.2 otherwise ''
91 # var_have_git_173 Set to 1 if git version >= 1.7.3 otherwise ''
92 # var_have_git_1710 Set to 1 if git version >= 1.7.10 otherwise ''
93 # var_have_git_185 Set to 1 if git version >= 1.8.5 otherwise ''
94 # var_have_git_210 Set to 1 if git version >= 2.1.0 otherwise ''
95 # var_have_git_235 Set to 1 if git version >= 2.3.5 otherwise ''
96 # var_have_git_260 Set to 1 if git version >= 2.6.0 otherwise ''
97 # var_have_git_2101 Set to 1 if git version >= 2.10.1 otherwise ''
98 # var_window_memory Value to use for repack --window-memory=
99 # var_big_file_threshold Value to use for core.bigFileThreshold
100 # var_redelta_threshold Recompute deltas if no more than this many objs
101 # var_upload_window If not "", pack.window to use for upload-pack
102 # var_log_window_size Value to use for git-svn --log-window-size=
103 # var_utf8_locale Value to use for a UTF-8 locale if available
104 # var_xargs_r A "-r" if xargs needs it to behave correctly
105 # var_du_exclude Option to exclude PATTERN from du if available
106 # var_du_follow Option to follow command line sym links if available
107 _cfg_vars
="$(get_girocco_config_pm_var_list)"
109 printf '%s\n' "$_cfg_vars"
110 printf 'var_group=%s\n' "${cfg_owning_group:-$(id -gn)}"
111 perl
- "$var_group" "$cfg_mirror_user" "$cfg_cgi_user" <<-'PERLPROG'
113 my $gid = getgrnam($ARGV[0]);
114 my $mid = getpwnam($ARGV[1]);
115 my $cid = getpwnam($ARGV[2]);
116 defined($gid) && $gid ne '' and print "var_group_gid=$gid\n";
117 defined($mid) && $mid ne '' and print "var_mirror_uid=$mid\n";
118 defined($cid) && $cid ne '' and print "var_cgi_uid=$cid\n";
120 _gver
="$("$cfg_git_bin" version 2>/dev/null |
121 LC_ALL=C sed -ne 's/^[^0-9]*\([0-9][0-9]*\(\.[0-9][0-9]*\)*\).*$/\1/p')"
122 printf 'var_git_ver=%s\n' "$_gver"
123 printf 'var_git_exec_path="%s"\n' "$("$cfg_git_bin" --exec-path 2>/dev/null)"
124 printf 'var_sh_bin="%s"\n' "$(_fcp "${cfg_posix_sh_bin:-/bin/sh}")"
125 printf 'var_perl_bin="%s"\n' "$(_fcp "${cfg_perl_bin:-$(unset -f perl; command -v perl)}")"
126 printf 'var_gzip_bin="%s"\n' "$(_fcp "${cfg_gzip_bin:-$(unset -f gzip; command -v gzip)}")"
127 printf 'var_nc_openbsd_bin="%s"\n' "$(_fcp "${cfg_nc_openbsd_bin:-$(unset -f nc; command -v nc)}")"
128 printf 'var_have_git_171=%s\n' "$([ $(vcmp "$_gver" 1.7.1) -ge 0 ] && echo 1)"
129 printf 'var_have_git_172=%s\n' "$([ $(vcmp "$_gver" 1.7.2) -ge 0 ] && echo 1)"
130 printf 'var_have_git_173=%s\n' "$([ $(vcmp "$_gver" 1.7.3) -ge 0 ] && echo 1)"
131 printf 'var_have_git_1710=%s\n' "$([ $(vcmp "$_gver" 1.7.10) -ge 0 ] && echo 1)"
132 printf 'var_have_git_185=%s\n' "$([ $(vcmp "$_gver" 1.8.5) -ge 0 ] && echo 1)"
133 printf 'var_have_git_210=%s\n' "$([ $(vcmp "$_gver" 2.1.0) -ge 0 ] && echo 1)"
134 printf 'var_have_git_235=%s\n' "$([ $(vcmp "$_gver" 2.3.5) -ge 0 ] && echo 1)"
135 printf 'var_have_git_260=%s\n' "$([ $(vcmp "$_gver" 2.6.0) -ge 0 ] && echo 1)"
136 printf 'var_have_git_2101=%s\n' "$([ $(vcmp "$_gver" 2.10.1) -ge 0 ] && echo 1)"
137 __girocco_conf
="$GIROCCO_CONF"
138 [ -n "$__girocco_conf" ] || __girocco_conf
="Girocco::Config"
139 [ -z "$basedir" ] || __girocco_extrainc
="-I$basedir"
140 inc_basedir
=@basedir@
141 [ "@basedir@" != '@'basedir
'@' ] || inc_basedir
="$PWD"
142 printf "var_window_memory=%s\n" \
143 "$(perl -I"$inc_basedir" $__girocco_extrainc -M$__girocco_conf \
144 -MGirocco::Util -e 'print calc_windowmemory')"
145 printf "var_big_file_threshold=%s\n" \
146 "$(perl -I"$inc_basedir" $__girocco_extrainc -M$__girocco_conf \
147 -MGirocco::Util -e 'print calc_bigfilethreshold')"
148 printf "var_redelta_threshold=%s\n" \
149 "$(perl -I"$inc_basedir" $__girocco_extrainc -M$__girocco_conf \
150 -MGirocco::Util -e 'print calc_redeltathreshold')"
151 if [ -n "$cfg_upload_pack_window" ] && [ "$cfg_upload_pack_window" -ge 2 ] &&
152 [ "$cfg_upload_pack_window" -le 50 ]; then
153 printf "var_upload_window=%s\n" "$cfg_upload_pack_window"
155 printf "var_upload_window=%s\n" ""
157 printf 'var_log_window_size=%s\n' "${cfg_svn_log_window_size:-250}"
158 # We parse the output of `locale -a` and select a suitable UTF-8 locale.
159 _guess_locale
="$(locale -a | LC_ALL=C grep -viE '^(posix|c)(\..*)?$' |
160 LC_ALL=C grep -iE '\.utf-?8$' | LC_ALL=C sed -e 's/\.[Uu][Tt][Ff]-*8$//' |
161 LC_ALL=C sed -e '/en_US/ s/^/0 /; /en_US/ !s/^/1 /' | LC_ALL=C sort |
162 head -n 1 | LC_ALL=C cut -d ' ' -f 2)"
163 [ -z "$_guess_locale" ] ||
printf 'var_utf8_locale=%s.UTF-8\n' "$_guess_locale"
164 # On some broken platforms running xargs without -r and empty input runs the command
165 printf 'var_xargs_r=%s\n' "$(</dev/null command xargs printf %s -r)"
166 # The disk usage report produces better numbers if du has an exclude option
169 for _duopt
in --exclude -I; do
170 if _test
="$(du $_duopt 's?lib.s*' $_duopt "$_x0" "$0" 2>/dev/null)" && [ -z "$_test" ]; then
171 printf 'var_du_exclude=%s\n' "$_duopt"
175 if _test
="$(du -H "$0" 2>/dev/null)" && [ -n "$_test" ]; then
176 printf 'var_du_follow=%s\n' "-H"
181 # If basedir has been replaced, and shlib_vars.sh exists, get the config
182 # definitions from it rather than running Perl.
183 if [ "@basedir@" = '@'basedir
'@' ] ||
! [ -r "@basedir@/shlib_vars.sh" ]; then
184 # Import all the variables from Girocco::Config to the local environment,
185 eval "$(get_girocco_config_var_list)"
187 # Import the variables from shlib_vars.sh which avoids needlessly
188 # running another copy of Perl
189 .
"@basedir@/shlib_vars.sh"
192 # git_add_config "some.var=value"
193 # every ' in value must be replaced with the 4-character sequence '\'' before
194 # calling this function or Git will barf. Will not be effective unless running
195 # Git version 1.7.3 or later.
197 GIT_CONFIG_PARAMETERS
="${GIT_CONFIG_PARAMETERS:+$GIT_CONFIG_PARAMETERS }'$1'"
198 export GIT_CONFIG_PARAMETERS
201 # Make sure we have a reproducible environment by using a controlled HOME dir
202 XDG_CONFIG_HOME
="$cfg_chroot/var/empty"
203 HOME
="$cfg_chroot/etc/girocco"
205 GIT_CONFIG_NOSYSTEM
=1
207 GIT_NO_REPLACE_OBJECTS
=1
208 GIT_TERMINAL_PROMPT
=0
211 GIT_ASKPASS
="$cfg_basedir/bin/git-askpass-password"
213 GIROCCO_SUPPRESS_AUTO_GC_UPDATE
=1
214 GIT_SSH
="$cfg_basedir/bin/git-ssh"
215 SVN_SSH
="$cfg_basedir/bin/git-ssh"
216 export XDG_CONFIG_HOME
219 export GIT_CONFIG_NOSYSTEM
220 export GIT_ATTR_NOSYSTEM
221 export GIT_NO_REPLACE_OBJECTS
222 export GIT_TERMINAL_PROMPT
227 export GIROCCO_SUPPRESS_AUTO_GC_UPDATE
231 unset GIT_HTTP_USER_AGENT
232 if [ -n "$defined_cfg_git_client_ua" ]; then
233 GIT_USER_AGENT
="$cfg_git_client_ua"
234 export GIT_USER_AGENT
236 unset GIT_CONFIG_PARAMETERS
241 ## Keep gitweb/gitweb_config.perl in sync with these git_add_config calls
242 ## Keep bin/git-shell-verify in sync with these git_add_config calls
244 git_add_config
"core.ignoreCase=false"
245 git_add_config
"core.pager=cat"
246 if [ -n "$cfg_git_no_mmap" ]; then
247 # Just like compiling with NO_MMAP
248 git_add_config
"core.packedGitWindowSize=1m"
250 # Always use the 32-bit default (32m) even on 64-bit to avoid memory blowout
251 git_add_config
"core.packedGitWindowSize=32m"
253 # Always use the 32-bit default (256m) even on 64-bit to avoid memory blowout
254 git_add_config
"core.packedGitLimit=256m"
255 [ -z "$var_big_file_threshold" ] ||
256 git_add_config
"core.bigFileThreshold=$var_big_file_threshold"
257 git_add_config
"gc.auto=0"
259 # Make sure any sendmail.pl config is always available
260 unset SENDMAIL_PL_HOST
261 unset SENDMAIL_PL_PORT
262 unset SENDMAIL_PL_NCBIN
263 unset SENDMAIL_PL_NCOPT
264 [ -z "$cfg_sendmail_pl_host" ] ||
{ SENDMAIL_PL_HOST
="$cfg_sendmail_pl_host" && export SENDMAIL_PL_HOST
; }
265 [ -z "$cfg_sendmail_pl_port" ] ||
{ SENDMAIL_PL_PORT
="$cfg_sendmail_pl_port" && export SENDMAIL_PL_PORT
; }
266 [ -z "$cfg_sendmail_pl_ncbin" ] ||
{ SENDMAIL_PL_NCBIN
="$cfg_sendmail_pl_ncbin" && export SENDMAIL_PL_NCBIN
; }
267 [ -z "$cfg_sendmail_pl_ncopt" ] ||
{ SENDMAIL_PL_NCOPT
="$cfg_sendmail_pl_ncopt" && export SENDMAIL_PL_NCOPT
; }
269 # Set PATH and PYTHON to the values set by Config.pm, if any
271 [ -z "$cfg_python" ] ||
{ PYTHON
="$cfg_python" && export PYTHON
; }
272 [ -z "$cfg_path" ] ||
{ orig_path
="$PATH" && PATH
="$cfg_path" && export PATH
; }
274 # Extra GIT variables that generally ought to be cleared, but whose clearing
275 # could potentially interfere with the correct operation of hook scripts so
276 # they are segregated into a separate function for use as appropriate
278 unset GIT_ALTERNATE_OBJECT_DIRECTORIES
283 unset GIT_OBJECT_DIRECTORY
287 # We cannot use a git() {} or nc_openbsd() {} function to redirect git
288 # and nc_openbsd to the desired executables because when using
289 # "ENV_VAR=xxx func" the various /bin/sh implementations behave in various
290 # different and unexpected ways:
291 # a) treat "ENV_VAR=xxx" like a separate, preceding "export ENV_VAR=xxx"
292 # b) treat "ENV_VAR=xxx" like a separate, prededing "ENV_VAR=xxx"
293 # c) treat "ENV_VAR=xxx" like a temporary setting only while running func
294 # None of these are good. We want a temporary "export ENV_VAR=xxx"
295 # setting only while running func which none of the /bin/sh's do.
297 # Instead we'd like to use an alias that provides the desired behavior without
298 # any of the bad (a), (b) or (c) effects.
300 # However, unfortunately, some of the crazy /bin/sh implementations do not
301 # recognize alias expansions when preceded by variable assignments!
303 # So we are left with git() {} and nc_openbsd() {} functions and in the
304 # case of git() {} we can compensate for (b) and (c) failing to export
305 # but not (a) and (b) persisting the values so the caller will simply
306 # have to beware and explicitly unset any variables that should not persist
307 # beyond the function call itself.
310 [ z
"${GIT_DIR+set}" != z
"set" ] ||
export GIT_DIR
311 [ z
"${GIT_SSL_NO_VERIFY+set}" != z
"set" ] ||
export GIT_SSL_NO_VERIFY
312 [ z
"${GIT_TRACE_PACKET+set}" != z
"set" ] ||
export GIT_TRACE_PACKET
313 [ z
"${GIT_USER_AGENT+set}" != z
"set" ] ||
export GIT_USER_AGENT
314 [ z
"${GIT_HTTP_USER_AGENT+set}" != z
"set" ] ||
export GIT_HTTP_USER_AGENT
315 exec "$cfg_git_bin" "$@"
318 # Since we do not yet require at least Git 1.8.5 this is a compatibility function
319 # that allows us to use git update-ref --stdin where supported and the slow shell
320 # script where not, but only the "delete" operation is currently supported.
321 git_updateref_stdin
() {
322 if [ -n "$var_have_git_185" ]; then
323 git update-ref
--stdin
325 while read -r _op _ref
; do
328 git update-ref
-d "$_ref"
331 echo "bad git_updateref_stdin op: $_op" >&2
339 # see comments for git() -- callers must explicitly export all variables
340 # intended for the commands these functions run before calling them
341 perl
() { command "${var_perl_bin:-perl}" "$@"; }
342 gzip() { command "${var_gzip_bin:-gzip}" "$@"; }
344 nc_openbsd
() { command "$var_nc_openbsd_bin" "$@"; }
346 list_packs
() { command "$cfg_basedir/bin/list_packs" "$@"; }
348 readlink
() { command "$cfg_basedir/bin/readlink" "$@"; }
350 strftime
() { command "$cfg_basedir/bin/strftime" "$@"; }
352 # Some platforms' broken xargs runs the command always at least once even if
353 # there's no input unless given a special option. Automatically supply the
354 # option on those platforms by providing an xargs function.
355 xargs() { command xargs $var_xargs_r "$@"; }
359 for _addr
in "$@"; do
360 [ -z "$_list" ] || _list
="$_list, "
367 _mailer
="${cfg_sendmail_bin:-/usr/sbin/sendmail}"
368 if [ -n "$cfg_sender" ]; then
369 "$_mailer" -i -f "$cfg_sender" "$@"
375 # First argument is an id WITHOUT surrounding '<' and '>' to use in a
376 # "References:" header. It may be "" to suppress the "References" header.
377 # Following arguments are just like mail function
380 if [ $# -ge 1 ]; then
385 if [ "$1" = "-s" ]; then
391 echo "From: \"$cfg_name\" ($cfg_title) <$cfg_admin>"
392 echo "To: $(_addrlist "$@
")"
393 [ -z "$_subject" ] ||
echo "Subject: $_subject"
394 echo "MIME-Version: 1.0"
395 echo "Content-Type: text/plain; charset=utf-8; format=fixed"
396 echo "Content-Transfer-Encoding: 8bit"
397 [ -z "$_references" ] ||
echo "References: <$_references>"
398 [ -n "$cfg_suppress_x_girocco" ] ||
echo "X-Girocco: $cfg_gitweburl"
399 echo "Auto-Submitted: auto-generated"
405 # Usage: mail [-s <subject>] <addr> [<addr>...]
410 # bang CMD... will execute the command with well-defined failure mode;
411 # set bang_action to string of the failed action ('clone', 'update', ...);
412 # re-define the bang_trap() function to do custom cleanup before bailing out
416 [ "${bang_errcode:-0}" = "0" ] || bang_failed
423 if [ "${show_progress:-0}" != "0" ]; then
425 read -r bang_errcode
<<-EOT || :
427 exec 4>&3 3>&1 1>&4 4>&-
428 { "$@" 3>&- || echo $? >&3; } 2>&1 | tee -i -a "$bang_log"
432 if [ -z "$bang_errcode" ] ||
[ "$bang_errcode" = "0" ]; then
439 if "$@" >>"$bang_log" 2>&1; then
454 cat "$bang_log" >.banglog
456 echo "$bang_cmd failed with error code $bang_errcode" >>.banglog
457 ! [ -d htmlcache
] ||
{ >htmlcache
/changed
; } 2>/dev
/null ||
:
458 if [ "${show_progress:-0}" != "0" ]; then
460 echo "$bang_cmd failed with error code $bang_errcode"
462 if [ -e .bangagain
]; then
463 git config
--remove-section girocco.bang
2>/dev
/null ||
:
466 bangcount
="$(git config --int girocco.bang.count 2>/dev/null)" ||
:
467 bangcount
=$
(( ${bangcount:-0} + 1 ))
468 git config
--int girocco.bang.count
$bangcount
469 if [ $bangcount -eq 1 ]; then
470 git config girocco.bang.firstfail
"$(TZ=UTC date "+%Y-
%m-
%d
%T UTC
")"
472 if [ $bangcount -ge $cfg_min_mirror_failure_message_count ] &&
473 [ "$(git config --bool girocco.bang.messagesent 2>/dev/null || :)" != "true" ] &&
474 ! check_interval
"girocco.bang.firstfail" $cfg_min_mirror_failure_message_interval; then
475 bangmailok
="$(git config --bool gitweb.statusupdates 2>/dev/null || echo true)"
477 [ "$bangmailok" = "false" ] ||
[ -z "$mail" ] || bangaddrs
="$mail"
478 [ -z "$cfg_admincc" ] ||
[ "$cfg_admincc" = "0" ] ||
[ -z "$cfg_admin" ] ||
479 if [ -z "$bangaddrs" ]; then bangaddrs
="$cfg_admin"; else bangaddrs
="$bangaddrs,$cfg_admin"; fi
481 [ $bangcount -le 1 ] || rsubj
=" repeatedly"
482 [ -z "$bangaddrs" ] ||
484 echo "$bang_cmd failed with error code $bang_errcode"
487 if [ $bangcount -gt 1 ]; then
488 echo "$bangcount consecutive update failures have occurred since $(config_get girocco.bang.firstfail)"
491 echo "you will not receive any more notifications until recovery"
492 echo "this status message may be disabled on the project admin page"
497 } | mailref
"update@$cfg_gitweburl/$proj.git" -s "[$cfg_name] $proj $bang_action failed$rsubj" "$bangaddrs"
498 git config
--bool girocco.bang.messagesent true
501 [ $bangcount -lt 15 ] ||
502 check_interval
"girocco.bang.firstfail" $
(( $cfg_min_mirror_interval * 3 / 2 )) ||
504 bang_trap
$bangthrottle
505 [ -n "$bang_errcode" ] && [ "$bang_errcode" != "0" ] || bang_errcode
=1
509 # bang_eval CMD... will evaluate the command with well-defined failure mode;
510 # Identical to bang CMD... except the command is eval'd instead of executed.
515 # Default bang settings:
518 bang_action
="lame_programmer"
520 bang_tmpdir
="${TMPDIR:-/tmp}"
521 bang_tmpdir
="${bang_tmpdir%/}"
522 bang_log
="$(mktemp "${bang_tmpdir:-/tmp}/repomgr-XXXXXX
")"
524 echo "bang_setup called with current directory not a git directory" >&2
527 trap 'rm -f "$bang_log"' EXIT
528 trap '[ -z "$bang_active" ] || { bang_errcode=130; bang_failed; }; exit 130' INT
529 trap '[ -z "$bang_active" ] || { bang_errcode=143; bang_failed; }; exit 143' TERM
532 # Remove banged status
534 rm -f .banged .bangagain .banglog
535 git config
--remove-section girocco.bang
2>/dev
/null ||
:
538 # Check to see if banged status
543 # Check to see if banged message was sent
544 was_banged_message_sent
() {
545 [ "$(git config --bool girocco.bang.messagesent 2>/dev/null || :)" = "true" ]
548 # Progress report - if show_progress is set, shows the given message.
550 [ "${show_progress:-0}" = "0" ] ||
echo "$*"
553 # Project config accessors; must be run in project directory
559 git config
"gitweb.$1";;
564 git config
"gitweb.$1" "$2" && chgrp
$var_group config
&& chmod g
+w config
568 git config
"$1" "$2" && chgrp
$var_group config
&& chmod g
+w config
571 config_get_date_seconds
() {
572 _dt
="$(config_get "$1")" ||
:
573 [ -n "$_dt" ] ||
return 1
574 _ds
="$(perl -I@basedir@ -MGirocco::Util -e "print parse_any_date
('$_dt')")"
575 [ -n "$_ds" ] ||
return 1
579 # Tool for checking whether given number of seconds has not passed yet
581 os
="$(config_get_date_seconds "$1")" ||
return 1
583 [ $ns -lt $
(($os+$2)) ]
586 # Check if we are running with effective root permissions
588 [ "$(id -u 2>/dev/null)" = "0" ]
591 # Check to see if the single argument (default ".") is a Git directory
593 # Just like Git's test except we ignore GIT_OBJECT_DIRECTORY
594 # And we are slightly more picky (must be refs/.+ not refs/.*)
595 [ $# -ne 0 ] ||
set -- "."
596 [ -d "$1/objects" ] && [ -x "$1/objects" ] ||
return 1
597 [ -d "$1/refs" ] && [ -x "$1/refs" ] ||
return 1
598 if [ -L "$1/HEAD" ]; then
599 _hr
="$(readlink "$1/HEAD
")"
600 case "$_hr" in "refs/"?
*) :;; *) return 1;; esac
602 [ -f "$1/HEAD" ] && [ -r "$1/HEAD" ] ||
return 1
603 read -r _hr
<"$1/HEAD" ||
return 1
606 [ "${_hr#*[!0-9a-f]}" = "$_hr" ] ||
return 1
611 _hr
="${_hr##ref:*[ $tab]}"
612 case "$_hr" in "refs/"?
*) return 0;; esac
617 # Check to see if the single argument (default ".") is a directory with no refs
618 is_empty_refs_dir
() {
619 [ $# -ne 0 ] ||
set -- "."
620 if [ -s "$1/packed-refs" ]; then
621 # could be a packed-refs file with just a '# pack-refs ..." line
622 # null hash lines and peel lines do not count either
623 _refcnt
="$(( $(LC_ALL=C sed <"$1/packed-refs
" \
625 -e "/^
$octet20$hexdig* refs\
/[^
$tab]*\$
/!d
" | wc -l) ))"
626 [ "${_refcnt:-0}" -eq 0 ] ||
return 1
628 if [ -d "$1/refs" ]; then
629 # quick and dirty check, doesn't try to validate contents
630 # or ignore embedded symbolic refs
631 _refcnt
="$(( $(find -L "$1/refs
" -type f -print 2>/dev/null | head -n 1 | LC_ALL=C wc -l) ))"
632 [ "${_refcnt:-0}" -eq 0 ] ||
return 1
634 # last chance a detached HEAD (we ignore any linked working trees though)
635 [ -s "$1/HEAD" ] && read -r _hr
<"$1/HEAD" && [ -n "$_hr" ] ||
return 0
636 [ "${_hr#*[!0-9a-f]}" != "$_hr" ] || [ "${_hr#*[!0]}" = "$_hr" ] || [ "${#_hr}" -lt 40 ] ||
return 1
640 # List all Git repositories, with given prefix if specified, one-per-line
641 # All project names starting with _ are always excluded from the result
644 LC_ALL
=C cut
-d : -f 1,3 "$cfg_chroot"/etc
/group | LC_ALL
=C
grep "^$1"
646 LC_ALL
=C cut
-d : -f 1,3 "$cfg_chroot"/etc
/group
647 fi |
while IFS
=: read name id
; do
648 [ $id -lt 65536 ] ||
case "$name" in _
*) :;; ?
*) echo "$name"; esac
652 # set the variable named by the first argument to the project part (i.e. WITH
653 # the trailing ".git" but WITHOUT the leading $cfg_reporoot) of the directory
654 # specified by the second argument.
655 # This function cannot be fooled by symbolic links.
656 # If the second argument is omitted (or empty) use $(pwd -P) instead.
657 # The directory specified by the second argument must exist.
658 v_get_proj_from_dir
() {
659 [ -n "$2" ] ||
set -- "$1" "$(pwd -P)"
660 [ -d "$2" ] ||
return 1
663 # Simple case that does not need any fancy footwork
664 _projpart
="${2#$cfg_reporoot/}"
667 _absrr
="$(cd "$cfg_reporoot" && pwd -P)"
668 _abspd
="$(cd "$2" && pwd -P)"
672 _projpart
="${_abspd#$_absrr/}"
675 # Must have been reached via a symbolic link, but
676 # we have no way to know the source, so use a
677 # generic "_external" leader combined with just the
678 # trailing directory name
680 _abspd
="${_abspd%/.git}"
681 _projpart
="_external/${_abspd##*/}"
685 eval "$1="'"$_projpart"'
688 # Returns success if "$1" does not exist or contains only blank lines and comments
689 # The parsing rules are in Git's sha1-file.c parse_alt_odb_entry function;
690 # the format for blank lines and comments has been the same since Git v0.99.5
691 is_empty_alternates_file
() {
692 [ -n "$1" ] ||
return 0
693 [ -e "$1" ] && [ -f "$1" ] && [ -s "$1" ] ||
return 0
694 [ -r "$1" ] ||
return 1
695 LC_ALL
=C
awk <"$1" '!/^$/ && !/^#/ {exit 1}'
698 # Return success if the given project name has at least one immediate child fork
699 # that has a non-empty alternates file
700 has_forks_with_alternates
() {
702 [ -n "$_prj" ] ||
return 1
703 [ -d "$cfg_reporoot/$_prj" ] ||
return 1
704 is_git_dir
"$cfg_reporoot/$_prj.git" ||
return 1
706 get_repo_list
"$_prj/[^/:][^/:]*:" |
707 while read -r _prjname
&& [ -n "$_prjname" ]; do
708 is_empty_alternates_file
"$cfg_reporoot/$_prjname.git/objects/info/alternates" ||
709 exit 1 # will only exit implicit subshell created by '|'
717 # returns empty string and error for empty string otherwise one of
718 # m => normal Git mirror
719 # s => mirror from svn source
720 # d => mirror from darcs source
721 # b => mirror from bzr source
722 # h => mirror from hg source
723 # w => mirror from mediawiki source
724 # f => mirror from other fast-import source
725 # note that if the string is non-empty and none of s, d, b or h match the
726 # return will always be type m regardless of whether it's a valid Git URL
727 get_url_mirror_type
() {
732 svn
://* | svn
+http
://* | svn
+https
://* | svn
+file://* | svn
+ssh://*)
735 darcs
://* | darcs
+http
://* | darcs
+https
://*)
741 hg
+http
://* | hg
+https
://* | hg
+file://* | hg
+ssh://* | hg
::*)
754 # returns false for empty string
755 # returns true if the passed in url is a mirror using git fast-import
756 is_gfi_mirror_url
() {
757 [ -n "$1" ] ||
return 1
758 case "$(get_url_mirror_type "$1" 2>/dev/null || :)" in
760 # darcs, bzr, hg and mediawiki mirrors use git fast-import
761 # and so do generic "f" fast-import mirrors
765 # Don't think git-svn currently uses git fast-import
766 # And Git mirrors certainly do not
770 # assume it does not use git fast-import
774 # returns false for empty string
775 # returns true if the passed in url is a mirror using git-svn
776 is_svn_mirror_url
() {
777 [ -n "$1" ] ||
return 1
778 [ "$(get_url_mirror_type "$1" 2>/dev/null || :)" = "s" ]
781 # returns mirror url for gitweb.baseurl of git directory
782 # (GIT_DIR) passed in as the argument (which defaults to "." if omitted)
783 # will fail if the directory does not have .nofetch and gitweb.baseurl
784 # comes back empty -- otherwise .nofetch directories succeed with a "" return
785 # automatically strips any leading "disabled " prefix before returning result
788 # always return empty for non-mirrors
789 ! [ -e "$_gitdir/.nofetch" ] ||
return 0
790 _url
="$(GIT_DIR="$_gitdir" config_get baseurl 2>/dev/null)" ||
:
792 [ -n "$_url" ] ||
return 1
793 printf '%s\n' "$_url"
797 # returns get_url_mirror_type for gitweb.baseurl of git directory
798 # (GIT_DIR) passed in as the argument (which defaults to "." if omitted)
799 # will fail if the directory does not have .nofetch and gitweb.baseurl
800 # comes back empty -- otherwise .nofetch directories succeed with a "" return
801 # automatically strips any leading "disabled " prefix before testing
803 _url
="$(get_mirror_url "$@
")" ||
return 1
804 [ -n "$_url" ] ||
return 0
805 get_url_mirror_type
"$_url"
808 # returns true if the passed in git dir (defaults to ".") is a mirror using git fast-import
810 _url
="$(get_mirror_url "$@
")" ||
return 1
811 is_gfi_mirror_url
"$_url"
814 # returns true if the passed in git dir (defaults to ".") is a mirror using git-svn
816 _url
="$(get_mirror_url "$@
")" ||
return 1
817 is_svn_mirror_url
"$_url"
820 # current directory must already be set to Git repository
821 # if girocco.headok is already true succeeds without doing anything
822 # if rev-parse --verify HEAD succeeds sets headok=true and succeeds
823 # otherwise tries to set HEAD to a symbolic ref to refs/heads/master
824 # then refs/heads/trunk and finally the first top-level head from
825 # refs/heads/* (i.e. only two slashes in the name) and finally any
826 # existing refs/heads. The first one to succeed wins and sets headok=true
827 # and then a successful exit. Otherwise headok is left unset with a failure exit
828 # We use the girocco.headok flag to make sure we only force a valid HEAD symref
829 # when the repository is being set up -- if the HEAD is later deleted (through
830 # a push or fetch --prune) that's no longer our responsibility to fix
831 check_and_set_head
() {
832 [ "$(git config --bool girocco.headok 2>/dev/null || :)" != "true" ] ||
return 0
833 if git rev-parse
--verify --quiet HEAD
>/dev
/null
; then
834 git config
--bool girocco.headok true
837 for _hr
in refs
/heads
/master refs
/heads
/trunk
; do
838 if git rev-parse
--verify --quiet "$_hr" >/dev
/null
; then
839 _update_head_symref
"$_hr"
843 git for-each-ref
--format="%(refname)" refs
/heads
2>/dev
/null |
844 while read -r _hr
; do
845 case "${_hr#refs/heads/}" in */*) :;; *)
846 _update_head_symref
"$_hr"
847 exit 1 # exit subshell created by "|"
850 _hr
="$(git for-each-ref --format="%(refname
)" refs/heads 2>/dev/null | head -n 1)" ||
:
851 if [ -n "$_hr" ]; then
852 _update_head_symref
"$_hr"
857 _update_head_symref
() {
858 git symbolic-ref HEAD
"$1"
859 git config
--bool girocco.headok true
860 ! [ -d htmlcache
] ||
{ >htmlcache
/changed
; } 2>/dev
/null ||
:
863 # current directory must already be set to Git repository
864 # if the directory needs to have gc run and .needsgc is not already set
865 # then .needsgc will be set triggering a "mini" gc at the next opportunity
866 # Girocco shouldn't generate any loose objects but we check for that anyway
867 check_and_set_needsgc
() {
868 # If there's a .needspack file and ANY loose objects with a newer timestamp
869 # then also set .needsgc otherwise remove it. The only caller that may set
870 # .needspack is a mirror therefore we don't have to worry about removing a
871 # .needspack out from under a simultaneous creator. We always do this and
872 # do it first to try and avoid leaving a stale .needspack lying around.
873 if [ -e .needspack
]; then
875 _objfiles
="$(( $(find -L objects/$octet -maxdepth 1 -newer .needspack -name "$octet19*" -type f -print 2>/dev/null |
876 head -n 1 | LC_ALL=C wc -l) +0 ))"
877 if [ "${_objfiles:-0}" = "0" ]; then
880 [ -e .needsgc
] ||
>.needsgc
883 ! [ -e .needsgc
] ||
return 0
885 { _packs
="$(list_packs --quiet --count --exclude-no-idx --exclude-keep objects/pack || :)" ||
:; } 2>/dev
/null
886 if [ "${_packs:-0}" -ge 20 ]; then
891 { _logfiles
="$(($(find -L reflogs -maxdepth 1 -type f -print | wc -l || :)+0))" ||
:; } 2>/dev
/null
892 if [ "${_logfiles:-0}" -ge 50 ]; then
896 # Truly git gc only checks the number of objects in the objects/17 directory
897 # We check for -ge 10 which should make the probability of having more than
898 # 5120 (20*256) loose objects present when there are less than 10 in
899 # objects/17 vanishingly small (20 is the threshold we use for pack files)
901 ! [ -d objects
/17 ] ||
902 { _objfiles
="$(($(find -L objects/17 -type f -name "$octet19*" -print | wc -l || :)+0))" ||
:; } 2>/dev
/null
903 if [ "${_objfiles:-0}" -ge 10 ]; then
909 # A well-known UTF-8 locale is required for some of the fast-import providers
910 # in order to avoid mangling characters. Ideally we could use "POSIX.UTF-8"
911 # but that is not reliably UTF-8 but rather usually US-ASCII.
912 # We parse the output of `locale -a` and select a suitable UTF-8 locale at
913 # install time and store that in $var_utf8_locale if one is found.
914 # If we cannot find one in the `locale -a` output then we just use a well-known
915 # UTF-8 locale and hope for the best. We set LC_ALL to our choice and export
916 # it. We only set this temporarily when running the fast-import providers.
918 LC_ALL
="${var_utf8_locale:-en_US.UTF-8}"
922 # hg-fast-export | git fast-import with error handling in current directory GIT_DIR
925 _python
="${PYTHON:-python}"
926 rm -f hg2git-marks.old hg2git-marks.new
927 if [ -f hg2git-marks
] && [ -s hg2git-marks
]; then
928 LC_ALL
=C
sed 's/^:\([^ ][^ ]*\) \([^ ][^ ]*\)$/\2 \1/' <hg2git-marks |
{
929 if [ -n "$var_have_git_185" ]; then
930 git cat-file
--batch-check=':%(rest) %(objectname)'
932 LC_ALL
=C
sed 's/^\([^ ][^ ]*\) \([^ ][^ ]*\)$/:\2 \1/'
934 } | LC_ALL
=C
sed '/ missing$/d' >hg2git-marks.old
935 if [ -n "$var_have_git_171" ] &&
936 git rev-parse
--quiet --verify refs
/notes
/hg
>/dev
/null
; then
937 if [ -z "$var_have_git_185" ] ||
938 ! LC_ALL
=C
cmp -s hg2git-marks hg2git-marks.old
; then
940 GIT_AUTHOR_NAME
="$_nm"
941 GIT_COMMITTER_NAME
="$_nm"
942 GIT_AUTHOR_EMAIL
="$_nm"
943 GIT_COMMITTER_EMAIL
="$_nm"
944 export GIT_AUTHOR_NAME
945 export GIT_COMMITTER_NAME
946 export GIT_AUTHOR_EMAIL
947 export GIT_COMMITTER_EMAIL
948 git notes
--ref=refs
/notes
/hg prune
949 unset GIT_AUTHOR_NAME
950 unset GIT_COMMITTER_NAME
951 unset GIT_AUTHOR_EMAIL
952 unset GIT_COMMITTER_EMAIL
961 { read -r _err1 ||
:; read -r _err2 ||
:; } <<-EOT
963 exec 4>&3 3>&1 1>&4 4>&-
966 _af="$(git config hg.authorsfile)" || :
967 _cmd='GIT_DIR="$(pwd)" "$_python" "$cfg_basedir/bin/hg-fast-export.py" \
968 --repo "$(pwd)/repo.hg" \
969 --marks "$(pwd)/hg2git-marks.old" \
970 --mapping "$(pwd)/hg2git-mapping" \
971 --heads "$(pwd)/hg2git-heads" \
972 --status "$(pwd)/hg2git-state" \
973 -U unknown --force --flatten --hg-hash'
974 [ -z "$_af" ] || _cmd="$_cmd"' --authors "$_af"'
975 eval "$_cmd" 3>&- || _e1=$?
981 --import-marks="$(pwd)/hg2git-marks.old" \
982 --export-marks="$(pwd)/hg2git-marks.new" \
983 --export-pack-edges="$(pwd)/gfi-packs" \
984 --force 3>&- || _e2=$?
990 [ "$_err1" = 0 ] && [ "$_err2" = 0 ] ||
return 1
991 mv -f hg2git-marks.new hg2git-marks
992 rm -f hg2git-marks.old
993 git for-each-ref
--format='%(refname) %(objectname)' refs
/heads |
994 LC_ALL
=C
sed -e 's,^refs/heads/,:,' >hg2git-heads