3 # git-debpush -- create & push a git tag with metadata for an ftp-master upload
5 # Copyright (C) 2019 Sean Whitton
7 # This program is free software: you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation, either version 3 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program. If not, see <http://www.gnu.org/licenses/>.
20 set -e$DGIT_TEST_DEBPUSH_DEBUG
25 # - do not invoke dgit, do anything involving any tarballs, no network
26 # access except `git push` right at the end
28 # - do not look at the working tree, like `git push` `git tag`
30 # - we are always in split brain mode, because that fits this workflow,
31 # and avoids pushes failing just because dgit in the intermediary
32 # service wants to append commits
34 # - if there is no previous tag created by this script, require a quilt
35 # mode; if there is a previous tag, and no quilt mode provided, assume
36 # same quilt mode as in previous tag created by this script
38 # **** Helper functions and variables ****
43 if [ -d "$temp" ]; then
57 get_file_from_ref () {
60 if git ls-tree --name-only -r "$branch" \
61 | grep -Eq "^$path$"; then
62 git cat-file blob $branch:$path
69 local check_is_forced=false
72 *",$check,"*) check_is_forced=true ;;
74 if $force_all || $check_is_forced; then
75 echo >&2 "$us: warning: $* ('$check' check)"
77 echo >&2 "$us: $* ('$check' check)"
82 fail_check_upstream_nonidentical () {
83 fail_check upstream-nonidentical \
84 "the upstream source in tag $upstream_tag is not identical to the upstream source in $branch"
90 set +o pipefail # perl will SIGPIPE git-log(1) here
91 git log --pretty=format:'%D' --decorate=full "$branch" \
92 | perl -wne 'use Dpkg::Version;
93 @pieces = split /, /, $_;
94 @debian_tag_vs = sort { version_compare($b, $a) }
95 map { m|tag: refs/tags/'"$prefix"'(.+)| ? $1 : () } @pieces;
96 if (@debian_tag_vs) { print "'"$prefix"'$debian_tag_vs[0]\n"; exit }'
106 git diff --exit-code "$first".."$second" -- . "$@"
110 if [ $git_diff_rc -le 1 ]; then
113 fail "'git diff' exited with unexpected code $git_diff_rc"
117 # **** Parse command line ****
119 getopt=$(getopt -s bash -o 'nfu:' \
120 -l 'no-push,force::,branch:,remote:,distro:,upstream:,quilt:,gbp,dpm,\
121 baredebian,baredebian+git,baredebian+tarball' \
124 set -e$DGIT_TEST_DEBPUSH_DEBUG
136 '-n'|'--no-push') pushing=false; shift; continue ;;
137 '-u') git_tag_opts+=(-u "$2"); shift 2; continue ;;
138 '-f') force_all=true; shift; continue ;;
139 '--gbp') quilt_mode='gbp'; shift; continue ;;
140 '--dpm') quilt_mode='dpm'; shift; continue ;;
141 '--branch') branch=$2; shift 2; continue ;;
142 '--remote') remote=$2; shift 2; continue ;;
143 '--distro') distro=$2; shift 2; continue ;;
144 '--quilt') quilt_mode=$2; shift 2; continue ;;
145 '--upstream') upstream_tag=$2; shift 2; continue ;;
147 '--baredebian'|'--baredebian+git')
148 quilt_mode=baredebian; shift; continue ;;
149 '--baredebian+tarball')
150 fail "--baredebian+tarball quilt mode not supported"
153 # we require the long form of the option to skip individual
154 # checks, not permitting `-f check`, to avoid problems if we
155 # later want to introduce positional args
165 '--') shift; break ;;
166 *) badusage "unknown option $1" ;;
171 badusage 'no positional arguments allowed'
174 case "$quilt_mode" in
175 linear|auto|smash|nofix|gbp|dpm|unapplied|baredebian|'') ;;
176 baredebian+git) quilt_mode="baredebian" ;;
177 baredebian+tarball) fail "--baredebian+tarball quilt mode not supported" ;;
178 *) badusage "invalid quilt mode: $quilt_mode" ;;
181 # **** Gather git information ****
186 # Maybe $branch is a symbolic ref. If so, resolve it
187 branchref="$(git symbolic-ref -q $branch || test $? = 1)"
188 if [ "x$branchref" != "x" ]; then
191 # If $branch is the name of a branch but it does not start with
192 # 'refs/heads/', prepend 'refs/heads/', so that we can know later
193 # whether we are tagging a branch or some other kind of committish
197 branchref="$(git for-each-ref --format='%(objectname)' \
198 '[r]efs/heads/$branch')"
199 if [ "x$branchref" != "x" ]; then
200 branch="refs/heads/$branch"
205 # If our tag will point at a branch, push that branch, and add its
206 # pushRemote and remote to the things we'll check if the user didn't
210 b=${branch#refs/heads/}
212 remoteconfigs+=( branch.$b.pushRemote branch.$b.remote )
216 # also check, if the branch does not have its own pushRemote or
217 # remote, whether there's a default push remote configured
218 remoteconfigs+=(remote.pushDefault)
220 if $pushing && [ "x$remote" = "x" ]; then
221 for c in "${remoteconfigs[@]}"; do
222 remote=$(git config "$c" || test $? = 1)
223 if [ "x$remote" != "x" ]; then break; fi
225 if [ "x$remote" = "x" ]; then
226 fail "pushing, but could not determine remote, so need --remote="
230 # **** Gather source package information ****
235 git cat-file blob "$branch":debian/changelog >"$temp/debian/changelog"
236 version=$(cd $temp; dpkg-parsechangelog -SVersion)
237 source=$(cd $temp; dpkg-parsechangelog -SSource)
238 target=$(cd $temp; dpkg-parsechangelog -SDistribution)
242 format="$(get_file_from_ref debian/source/format)"
244 '3.0 (quilt)') upstream=true ;;
245 '3.0 (native)') upstream=false ;;
247 if get_file_from_ref debian/source/options | grep '^-sn *$'; then
249 elif get_file_from_ref debian/source/options | grep '^-sk *$'; then
252 fail 'please see "SOURCE FORMAT 1.0" in git-debpush(1)'
256 fail "unsupported debian/source/format $format"
260 # **** Gather git history information ****
262 last_debian_tag=$(find_last_tag "debian/")
263 last_archive_tag=$(find_last_tag "archive/debian/")
267 if [ "x$upstream_tag" = x ]; then
270 git deborig --just-print --version="$version" \
272 ps="${PIPESTATUS[*]}"
275 "0 0"|"141 0") ;; # ok or SIGPIPE
278 "$us: git-deborig failed; maybe try $us --upstream=TAG"
281 *) exit 127; # presumably head will have complained
284 if [ "x$upstream_tag" = x ]; then exit 127; fi
286 upstream_committish=$(git rev-parse "refs/tags/${upstream_tag}"^{})
287 upstream_info=" upstream-tag=$upstream_tag upstream=$upstream_committish"
288 to_push+=("$upstream_tag")
291 # **** Useful sanity checks ****
293 # ---- UNRELEASED suite
295 if [ "$target" = "UNRELEASED" ]; then
296 fail_check unreleased "UNRELEASED changelog"
299 # ---- Pushing dgit view to maintainer view
301 if ! [ "x$last_debian_tag" = "x" ] && ! [ "x$last_archive_tag" = "x" ]; then
302 last_debian_tag_c=$(git rev-parse "$last_debian_tag"^{})
303 last_archive_tag_c=$(git rev-parse "$last_archive_tag"^{})
304 if ! [ "$last_debian_tag_c" = "$last_archive_tag_c" ] \
305 && git merge-base --is-ancestor \
306 "$last_debian_tag" "$last_archive_tag"; then
307 fail_check dgit-view \
308 "looks like you might be trying to push the dgit view to the maintainer branch?"
312 # ---- Targeting different suite
314 if ! [ "x$last_debian_tag" = "x" ]; then
318 git cat-file blob "$last_debian_tag":debian/changelog >"$temp/debian/changelog"
319 prev_target=$(cd $temp; dpkg-parsechangelog -SDistribution)
323 if ! [ "$prev_target" = "$target" ] && ! [ "$target" = "UNRELEASED" ]; then
325 "last upload targeted $prev_target, now targeting $target; might be a mistake?"
329 # ---- Upstream tag is not ancestor of $branch
331 if ! [ "x$upstream_tag" = "x" ] \
332 && ! git merge-base --is-ancestor "$upstream_tag" "$branch" \
333 && ! [ "$quilt_mode" = "baredebian" ]; then
334 fail_check upstream-nonancestor \
335 "upstream tag $upstream_tag is not an ancestor of $branch; probably a mistake"
338 # ---- Upstream tag tree nonidentical
340 case "$quilt_mode" in
342 check_treesame "$upstream_tag" "$branch" ':!debian' ':!**.gitignore' \
343 || fail_check_upstream_nonidentical
346 check_treesame "$upstream_tag" "$branch" ':!debian' \
347 || fail_check_upstream_nonidentical
353 if $failed_check; then
354 # We don't mention the --force=check options here as those are
355 # mainly for use by scripts, or when you already know what check
356 # is going to fail before you invoke git-debpush. Keep the
357 # script's terminal output as simple as possible. No "see the
359 fail "some check(s) failed; you can pass --force to ignore them"
362 # **** Create the git tag ****
364 # convert according to DEP-14 rules
365 git_version=$(echo $version | tr ':~' '%_' | sed 's/\.(?=\.|$|lock$)/.#/g')
367 debian_tag="$distro/$git_version"
368 to_push+=("$debian_tag")
370 # If the user didn't supply a quilt mode, look for it in a previous
371 # tag made by this script
372 if [ "x$quilt_mode" = "x" ] && [ "$format" = "3.0 (quilt)" ]; then
373 set +o pipefail # perl will SIGPIPE git-cat-file(1) here
374 if [ "x$last_debian_tag" != "x" ]; then
375 quilt_mode=$(git cat-file -p $(git rev-parse "$last_debian_tag") \
377 'm/^\[dgit.*--quilt=([a-z+]+).*\]$/;
378 if ($1) { print "$1\n"; exit }')
384 if [ "$format" = "3.0 (quilt)" ]; then
385 if [ "x$quilt_mode" = "x" ]; then
386 echo >&2 "$us: could not determine the git branch layout"
387 echo >&2 "$us: please supply a --quilt= argument"
390 quilt_mode_text=" --quilt=$quilt_mode"
394 git tag "${git_tag_opts[@]}" -s -F- "$debian_tag" "$branch" <<EOF
395 $source release $version for $target
397 [dgit distro=$distro split$quilt_mode_text]
398 [dgit please-upload$upstream_info]
401 # **** Do a git push ****
404 git push "$remote" "${to_push[@]}"