8 echo "Usage: update.sh projname" >&2
12 # date -R is linux-only, POSIX equivalent is '+%a, %d %b %Y %T %z'
13 datefmt
='+%a, %d %b %Y %T %z'
15 # freshen_loose_objects full-sha ...
16 # if "$n" is a loose object, set its modification time to now
17 # otherwise silently do nothing with no error. To facilitate conversion
18 # of mirror projects to push projects we also add group write permission.
19 freshen_loose_objects
() {
24 _list
="$_list objects/$_shard/$_fn"
26 if [ -n "$_list" ]; then
27 chmod ug
+w
$_list 2>/dev
/null ||
:
28 touch -c $_list 2>/dev
/null ||
:
32 # darcs fast-export | git fast-import with error handling
38 { read -r _err1 ||
:; read -r _err2 ||
:; } <<-EOT
40 exec 4>&3 3>&1 1>&4 4>&-
43 "$cfg_basedir"/bin/darcs-fast-export \
44 --export-marks="$(pwd)/dfe-marks" \
45 --import-marks="$(pwd)/dfe-marks" "$1" 3>&- || _e1=$?
51 --export-marks="$(pwd)/gfi-marks" \
52 --export-pack-edges="$(pwd)/gfi-packs" \
53 --import-marks="$(pwd)/gfi-marks" \
54 --force 3>&- || _e2=$?
60 [ "$_err1" = 0 -a "$_err2" = 0 ]
64 # bzr fast-export | git fast-import with error handling
72 { read -r _err1 ||
:; read -r _err2 ||
:; } <<-EOT
74 exec 4>&3 3>&1 1>&4 4>&-
77 bzr fast-export --plain \
78 --export-marks="$(pwd)/bfe-marks" \
79 --import-marks="$(pwd)/bfe-marks" "$1" 3>&- || _e1=$?
85 --export-marks="$(pwd)/gfi-marks" \
86 --export-pack-edges="$(pwd)/gfi-packs" \
87 --import-marks="$(pwd)/gfi-marks" \
88 --force 3>&- || _e2=$?
94 [ "$_err1" = 0 -a "$_err2" = 0 ]
98 [ -n "$cfg_mirror" ] ||
{ echo "Mirroring is disabled" >&2; exit 0; }
101 [ "$cfg_permission_control" != "Hooks" ] ||
umask 000
105 cd "$cfg_reporoot/$proj.git"
107 trap 'if [ $? != 0 ]; then echo "update failed dir: $PWD" >&2; fi; rm -f "$bang_log"' EXIT
111 if check_interval lastrefresh
$cfg_min_mirror_interval; then
112 progress
"= [$proj] update skip (last at $(config_get lastrefresh))"
115 if [ -e .nofetch
]; then
116 progress
"x [$proj] update disabled (.nofetch exists)"
119 progress
"+ [$proj] update (`date`)"
121 # Any pre-existing FETCH_HEAD from a previous fetch failed or not is garbage
124 # A previous failed update attempt can leave a huge tmp_pack_XXXXXX file behind.
125 # Since no pushes are allowed to mirrors, we know that any such files that exist
126 # at this point in time are garbage and can be safely deleted, we do not even
127 # need to check how old they are. A tmp_idx_XXXXXX file is also created during
128 # the later stages of the fetch process, so we kill any of those as well.
129 find objects
/pack
-maxdepth 1 -type f
-name "tmp_pack_?*" -print0 |
xargs -0 rm -f
130 find objects
/pack
-maxdepth 1 -type f
-name "tmp_idx_?*" -print0 |
xargs -0 rm -f
132 # Make sure we have a reflogs subdirectory and abort the update if not
133 # This should not count as a normal "bang" failure if unsuccessful
134 [ -d reflogs
] || mkdir
-p reflogs
>/dev
/null
2>&1 ||
:
142 # Since gitweb shows the .last_refresh date, it's safe to update
143 # gitweb.lastrefresh to throttle the updates w/o corrupting the
144 # last refresh date display on the gitweb summary page
145 # It's therefore important that we do NOT touch .last_refresh here
146 config_set lastrefresh
"$(date "$datefmt")"
150 bang
echo "Project: $proj"
152 mail="$(config_get owner || :)"
153 url
="$(config_get baseurl || :)"
154 case "$url" in *" "*|
*" "*|
"")
155 bang_eval
'echo "Bad mirror URL (\"$url\")"; ! :'
158 bang
echo "Mirroring from URL \"$url\""
160 statusok
="$(git config --bool gitweb.statusupdates 2>/dev/null || echo true)"
162 [ "$statusok" = "false" -o -z "$mail" ] || mailaddrs
="$mail"
163 [ -z "$cfg_admincc" -o "$cfg_admincc" = "0" -o -z "$cfg_admin" ] || \
164 if [ -z "$mailaddrs" ]; then mailaddrs
="$cfg_admin"; else mailaddrs
="$mailaddrs,$cfg_admin"; fi
166 bang_eval
"git for-each-ref --format '%(refname) %(objectname)' >.refs-temp"
167 bang_eval
"LC_ALL=C sort -b -k1,1 <.refs-temp >.refs-before"
168 ! [ -e .delaygc
] ||
>.allowgc ||
:
171 # Make sure we don't get any unwanted loose objects
172 # Starting with Git v2.10.0 fast-import can generate loose objects unless we
173 # tweak its configuration to prevent that
174 git_add_config
'fetch.unpackLimit=1'
175 # Note the git config documentation is wrong
176 # transfer.unpackLimit, if set, overrides fetch.unpackLimit
177 git_add_config
'transfer.unpackLimit=1'
178 # But not the Git v2.10.0 and later fastimport.unpackLimit which improperly uses <= instead of <
179 git_add_config
'fastimport.unpackLimit=0'
182 svn
://* | svn
+http
://* | svn
+https
://* | svn
+file://* | svn
+ssh://*)
183 [ -n "$cfg_mirror_svn" ] ||
{ echo "Mirroring svn is disabled" >&2; exit 0; }
184 # Use an 'anonsvn' username as is commonly used for anonymous svn
185 # Use an 'anonsvn' password as is commonly used for anonymous svn
186 GIT_ASKPASS_PASSWORD
=anonsvn
187 export GIT_ASKPASS_PASSWORD
188 # Update the git svn url to match baseurl but be cognizant of any
189 # needed prefix changes. See the comments in taskd/clone.sh about
190 # why we need to put up with a prefix in the first place.
191 case "$url" in svn
+ssh://*) svnurl
="$url";; *) svnurl
="${url#svn+}";; esac
193 svnurlold
="$(config_get svnurl || :)"
194 if [ "$svnurl" != "$svnurlold" ]; then
195 # We better already have an svn-remote.svn.fetch setting
196 bang
test -n "$(git config --get-all svn-remote.svn.fetch || :)"
197 # the only way to truly know what the proper prefix is
198 # is to attempt a fresh git-svn init -s on the new url
199 rm -rf svn-new-url ||
:
200 # We require svn info to succeed on the URL otherwise it's
201 # simply not a valid URL and without using -s on the init it
202 # will not otherwise be tested until the fetch
203 bang
eval 'svn --non-interactive --username anonsvn --password anonsvn info "$svnurl" > /dev/null'
204 bang mkdir svn-new-url
205 GIT_DIR
=svn-new-url bang git init
--bare --quiet
206 # We initially use -s for the init which will possibly shorten
207 # the URL. However, the shortening can fail if a password is
208 # not required for the longer version but is for the shorter,
209 # so try again without -s if the -s version fails.
210 cmdstr
='git svn init --username=anonsvn --prefix "" -s "$svnurl" < /dev/null > /dev/null 2>&1 || '
211 cmdstr
="$cmdstr"'git svn init --username=anonsvn --prefix "" "$svnurl" < /dev/null > /dev/null 2>&1'
212 GIT_DIR
=svn-new-url bang
eval "$cmdstr"
213 gitsvnurl
="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.url || :)"
214 gitsvnfetch
="$(GIT_DIR=svn-new-url git config --get svn-remote.svn.fetch || :)"
215 gitsvnprefixnew
="${gitsvnfetch%%:*}"
216 gitsvnsuffixnew
="${gitsvnprefixnew##*/}"
217 gitsvnprefixnew
="${gitsvnprefixnew%$gitsvnsuffixnew}"
218 rm -rf svn-new-url ||
:
219 # Using GIT_DIR= with bang leaves it set to svn-new-url, so reset it to .
221 if [ "$gitsvnurl" != "$(git config --get svn-remote.svn.url || :)" ]; then
222 # The url has been changed.
223 # We must update the url and replace the prefix on all config items
224 gitsvnfetch
="$(git config --get-all svn-remote.svn.fetch | head -1 || :)"
225 gitsvnprefixold
="${gitsvnfetch%%:*}"
226 gitsvnsuffixold
="${gitsvnprefixold##*/}"
227 gitsvnprefixold
="${gitsvnprefixold%$gitsvnsuffixold}"
228 git config
--remove-section 'svn-remote.svnnew' 2>/dev
/null ||
:
229 git config
'svn-remote.svnnew.url' "$gitsvnurl"
230 { git config
--get-regexp '^svn-remote\.svn\.' ||
:; } | \
231 { while read sname sval
; do
233 svn-remote.svn.fetch|svn-remote.svn.branches|svn-remote.svn.tags
)
234 sname
="${sname#svn-remote.svn.}"
235 sval
="${sval#$gitsvnprefixold}"
236 bang git config
--add "svn-remote.svnnew.$sname" "${gitsvnprefixnew}$sval"
239 bang git config
-f svn
/.metadata svn-remote.svn.reposRoot
"$gitsvnurl"
240 bang git config
--remove-section svn-remote.svn
241 bang git config
--rename-section svn-remote.svnnew svn-remote.svn
243 bang config_set svnurl
"$svnurl"
245 # remove any stale *.lock files greater than 1 hour old in case
246 # git-svn was killed on the last update because it took too long
247 find svn
-type f
-name '*.lock' -mmin +60 -print0 2>/dev
/null |
xargs -0 rm -f
248 # remember the starting time so we can easily combine fetched loose objects
249 # we sleep for 1 second after creating .svnpack to make sure all objects are newer
250 if ! [ -e .svnpack
]; then
256 GIT_DIR
=. bang git svn fetch
--log-window-size=$var_log_window_size --username=anonsvn
--quiet < /dev
/null
257 # git svn does not preserve group permissions in the svn subdirectory
258 chmod -R ug
+rw
,o
+r svn
259 # git svn also leaves behind ref turds that end with @nnn
260 # We get rid of them now
261 git for-each-ref
--format='%(refname)' |
262 LC_ALL
=C
sed '/^..*@[1-9][0-9]*$/!d; s/^/delete /' |
264 unset GIT_ASKPASS_PASSWORD
267 [ -n "$cfg_mirror_darcs" ] ||
{ echo "Mirroring darcs is disabled" >&2; exit 0; }
268 httpurl
="http://${url#darcs://}"
269 # remove any stale lock files greater than 1 hour old in case
270 # darcs_fast_export was killed on the last update because it took too long
271 find *.darcs
-maxdepth 2 -type f
-name 'lock' -mmin +60 -print0 2>/dev
/null |
xargs -0 rm -f
272 bang git_darcs_fetch
"$httpurl"
275 [ -n "$cfg_mirror_bzr" ] ||
{ echo "Mirroring bzr is disabled" >&2; exit 0; }
276 bzrurl
="${url#bzr://}"
277 bang git_bzr_fetch
"$bzrurl"
279 hg
+http
://* | hg
+https
://* | hg
+file://* | hg
+ssh://*)
280 [ -n "$cfg_mirror_hg" ] ||
{ echo "Mirroring hg is disabled" >&2; exit 0; }
281 # We just remove hg+ here, so hg+http://... becomes http://...
283 # Fetch any new updates
284 bang hg
-R "$(pwd)/repo.hg" pull
285 # Do the fast-export | fast-import
289 [ "$url" = "$(git config --get remote.origin.url || :)" ] || bang config_set_raw remote.origin.url
"$url"
291 [ "$(git config --bool fetch.prune 2>/dev/null || :)" != "false" ] || pruneopt
=
292 if ! is_gfi_mirror_url
"$url"; then
294 [ "$(git config --bool girocco.lastupdateclean 2>/dev/null || :)" != "true" ] || lastwasclean
=1
296 [ "$(git config --bool girocco.cleanmirror 2>/dev/null || :)" != "true" ] || nextisclean
=1
297 if [ "$nextisclean" != "$lastwasclean" ]; then
298 if [ -n "$nextisclean" ]; then
299 git config
--replace-all remote.origin.fetch
"+refs/heads/*:refs/heads/*"
300 git config
--add remote.origin.fetch
"+refs/tags/*:refs/tags/*"
301 git config
--add remote.origin.fetch
"+refs/notes/*:refs/notes/*"
302 git config
--add remote.origin.fetch
"+refs/top-bases/*:refs/top-bases/*"
304 git config
--replace-all remote.origin.fetch
"+refs/*:refs/*"
308 # remember the starting time so we can easily detect new packs for fast-import mirrors
309 # we sleep for 1 second after creating .gfipack to make sure all packs are newer
310 if is_gfi_mirror_url
"$url" && [ ! -e .gfipack
]; then
315 GIT_SSL_NO_VERIFY
=1 bang git remote update
$pruneopt
316 if ! is_gfi_mirror_url
"$url" && [ "$nextisclean" != "$lastwasclean" ]; then
317 if [ -n "$nextisclean" ]; then
318 # We must manually purge the unclean refs now as even prune won't do it
319 git for-each-ref
--format='%(refname)' |
321 -e '/^refs\/heads\//d' \
322 -e '/^refs\/tags\//d' \
323 -e '/^refs\/notes\//d' \
324 -e '/^refs\/top-bases\//d' \
328 git config
--bool girocco.lastupdateclean
${nextisclean:-0}
330 if [ -e .gfipack
] && is_gfi_mirror_url
"$url"; then
331 find objects
/pack
-type f
-newer .gfipack
-name "pack-$octet20.pack" -print >>gfi-packs
337 # The objects subdirectories permissions must be updated now.
338 # In the case of a dumb http clone, the permissions will not be correct
339 # (missing group write) despite the core.sharedrepository=1 setting!
340 # The objects themselves seem to have the correct permissions.
341 # This problem appears to have been fixed in the most recent git versions.
343 [ "$cfg_permission_control" != "Hooks" ] || perms
=go
+w
344 chmod $perms $
(find objects
-maxdepth 1 -type d
) 2>/dev
/null ||
:
346 bang git update-server-info
348 # We maintain the last refresh date in two places deliberately
349 # so that it's available as part of the config data and also
350 # as a standalone file timestamp that can be accessed without git.
351 bang config_set lastrefresh
"$(date "$datefmt")"
352 { >.last_refresh
; } 2>/dev
/null ||
:
354 # Check to see if any refs changed
355 bang_eval
"git for-each-ref --format '%(refname) %(objectname)' >.refs-temp"
356 bang_eval
"LC_ALL=C sort -b -k1,1 <.refs-temp >.refs-after"
358 cmp -s .refs-before .refs-after || refschanged
=1
360 # There's no way to get git svn to fetch packs, so we always need to run
361 # a mini-gc afterwards if svn actually fetched anything, but that's okay
362 # because it will be very quick
363 if [ -z "$refschanged" -a -n "$svnpackcreated" ]; then
364 # we created the .svnpack but didn't actually fetch anything
365 # so remove it to avoid forcing a mini-gc if not necessary
368 if [ -e .svnpack
] && ! [ -e .needsgc
]; then
372 # Force a mini-gc if $Girocco::Config::delay_gfi_redelta is false and there's
373 # at least one gfi pack present now
374 if [ -z "$cfg_delay_gfi_redelta" ] && ! [ -e .needsgc
] && \
375 [ -f gfi-packs
-a -s gfi-packs
] && is_gfi_mirror_url
"$url"; then
379 # Activate a mini-gc if there are at least 20 packs present now
380 if ! [ -e .needsgc
]; then
382 { packs
="$(list_packs --quiet --count --exclude-no-idx objects/pack || :)" ||
:; } 2>/dev
/null
383 if [ -n "$packs" ] && [ "$packs" -ge 20 ]; then
388 # Look at which refs changed and trigger ref-change for these
389 sockpath
="$cfg_chroot/etc/taskd.socket"
390 if [ -n "$refschanged" ]; then
391 bang config_set lastreceive
"$(date '+%a, %d %b %Y %T %z')"
392 # We always use UTC for the log timestamp so that chroot and non-chroot match up.
393 # We don't have to worry about multiple log files since only one update runs
394 lognamets
="$(TZ=UTC date '+%Y%m%d_%H%M%S')"
395 loghhmmss
="${lognamets##*_}"
396 logname
="reflogs/${lognamets%%_*}"
397 # We freshen the mod time to now on any old or new ref that is a loose object
398 # For old refs we do it so we will be able to keep them around for 1 day
399 # For new refs we do it in case we are about to run gc and the new ref
400 # actually points to an oldish loose object that had been unreachable
401 # We probably do not need to do it for new refs as Git tries to do that,
402 # but since we're already doing it for old refs (which Git does not do),
403 # it's almost no extra work for new refs, just in case.
405 echo "ref-changes %$proj% $proj"
406 LC_ALL
=C
join .refs-before .refs-after |
407 LC_ALL
=C
sed -e '/^[^ ][^ ]* \([^ ][^ ]*\) \1$/d' |
408 while read ref old new
; do
409 echo "$loghhmmss $old $new $ref" >&3
410 freshen_loose_objects
"$old" "$new"
411 echo "$old $new $ref"
413 LC_ALL
=C
join -v 1 .refs-before .refs-after |
414 while read ref old
; do
415 echo "$loghhmmss $old 0000000000000000000000000000000000000000 $ref" >&3
416 freshen_loose_objects
"$old"
417 echo "$old 0000000000000000000000000000000000000000 $ref"
419 LC_ALL
=C
join -v 2 .refs-before .refs-after |
420 while read ref new
; do
421 echo "$loghhmmss 0000000000000000000000000000000000000000 $new $ref" >&3
422 freshen_loose_objects
"$new"
423 echo "0000000000000000000000000000000000000000 $new $ref"
425 git for-each-ref
--format='%(objectname) %(objectname) %(refname)' refs
/heads
426 } >.refs-temp
3>>"$logname"
427 if [ -S "$sockpath" ]; then
428 nc_openbsd
-w 15 -U "$sockpath" <.refs-temp ||
:
430 bang config_set lastchange
"$(date '+%a, %d %b %Y %T %z')"
431 bang_eval
"git for-each-ref --sort=-committerdate --format='%(committerdate:iso8601)' \
432 --count=1 refs/heads > info/lastactivity"
433 ! [ -d htmlcache
] ||
{ >htmlcache
/changed
; } 2>/dev
/null ||
:
434 # While unlikely, it is conceivable that several ref updates have occurred that
435 # did not actually create any packs. In that case we could build up a large
436 # number of log files so request gc if there are more than 50 of them now.
437 # In the case of a mirror this is a practical impossibility but we check anyway.
438 if ! [ -e .needsgc
]; then
440 { logfiles
="$(($(find reflogs -maxdepth 1 -type f -print | wc -l || :)+0))" ||
:; } 2>/dev
/null
441 if [ -n "$logfiles" ] && [ "$logfiles" -ge 50 ]; then
445 rm -f .delaygc .allowgc
448 # If the repository does not yet have a valid HEAD symref try to set one
449 # If an empty repository was cloned and then later becomes unempty you just
450 # lose out on the fancy "symref=HEAD:" logic and get this version instead
451 check_and_set_head ||
:
453 rm -f .refs-before .refs-after .refs-temp FETCH_HEAD
456 [ -z "$mailaddrs" ] ||
! was_banged_message_sent ||
458 echo "$proj update succeeded - failure recovery"
459 echo "this status message may be disabled on the project admin page"
460 } |
mail -s "[$cfg_name] $proj update succeeded" "$mailaddrs" ||
:
464 progress
"- [$proj] update (`date`)"