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$DGIT_TEST_DEBPUSH_DEBUG
25 # - do not invoke dgit, do anything involving any tarballs, no network
26 # access except `git push` right at the end
28 # - do not look at the working tree, like `git push` `git tag`
30 # - we are always in split brain mode, because that fits this workflow,
31 # and avoids pushes failing just because dgit in the intermediary
32 # service wants to append commits
34 # - if there is no previous tag created by this script, require a quilt
35 # mode; if there is a previous tag, and no quilt mode provided, assume
36 # same quilt mode as in previous tag created by this script
38 # **** Helper functions and variables ****
41 git_playtree_create=git-playtree-create ###substituted###
44 if [ -d "$temp" ]; then
58 get_file_from_ref () {
61 if git ls-tree --name-only -r "$branch" \
62 | grep -Eq "^$path$"; then
63 git cat-file blob $branch:$path
70 local check_is_forced=false
73 *",$check,"*) check_is_forced=true ;;
75 if $force_all || $check_is_forced; then
76 echo >&2 "$us: warning: $* ('$check' check)"
78 echo >&2 "$us: $* ('$check' check)"
83 fail_check_upstream_nonidentical () {
84 fail_check upstream-nonidentical \
85 "the upstream source in tag $upstream_tag is not identical to the upstream source in $branch"
91 set +o pipefail # perl will SIGPIPE git-log(1) here
92 git log --pretty=format:'%D' --decorate=full "$branch" \
93 | perl -wne 'use Dpkg::Version;
94 @pieces = split /, /, $_;
95 @debian_tag_vs = sort { version_compare($b, $a) }
96 map { m|tag: refs/tags/'"$prefix"'(.+)| ? $1 : () } @pieces;
97 if (@debian_tag_vs) { print "'"$prefix"'$debian_tag_vs[0]\n"; exit }'
107 git diff --exit-code "$first".."$second" -- . "$@"
111 if [ $git_diff_rc -le 1 ]; then
114 fail "'git diff' exited with unexpected code $git_diff_rc"
118 # **** Parse command line ****
120 getopt=$(getopt -s bash -o 'nfu:' \
121 -l 'no-push,force::,branch:,remote:,distro:,upstream:,quilt:,gbp,dpm,\
122 baredebian,baredebian+git,baredebian+tarball' \
125 set -e$DGIT_TEST_DEBPUSH_DEBUG
137 '-n'|'--no-push') pushing=false; shift; continue ;;
138 '-u') git_tag_opts+=(-u "$2"); shift 2; continue ;;
139 '-f') force_all=true; shift; continue ;;
140 '--gbp') quilt_mode='gbp'; shift; continue ;;
141 '--dpm') quilt_mode='dpm'; shift; continue ;;
142 '--branch') branch=$2; shift 2; continue ;;
143 '--remote') remote=$2; shift 2; continue ;;
144 '--distro') distro=$2; shift 2; continue ;;
145 '--quilt') quilt_mode=$2; shift 2; continue ;;
146 '--upstream') upstream_tag=$2; shift 2; continue ;;
148 '--baredebian'|'--baredebian+git')
149 quilt_mode=baredebian; shift; continue ;;
150 '--baredebian+tarball')
151 fail "--baredebian+tarball quilt mode not supported"
154 # we require the long form of the option to skip individual
155 # checks, not permitting `-f check`, to avoid problems if we
156 # later want to introduce positional args
166 '--') shift; break ;;
167 *) badusage "unknown option $1" ;;
172 badusage 'no positional arguments allowed'
175 case "$quilt_mode" in
176 linear|auto|smash|nofix|gbp|dpm|unapplied|baredebian|'') ;;
177 baredebian+git) quilt_mode="baredebian" ;;
178 baredebian+tarball) fail "--baredebian+tarball quilt mode not supported" ;;
179 *) badusage "invalid quilt mode: $quilt_mode" ;;
182 # **** Gather git information ****
187 # Maybe $branch is a symbolic ref. If so, resolve it
188 branchref="$(git symbolic-ref -q $branch || test $? = 1)"
189 if [ "x$branchref" != "x" ]; then
192 # If $branch is the name of a branch but it does not start with
193 # 'refs/heads/', prepend 'refs/heads/', so that we can know later
194 # whether we are tagging a branch or some other kind of committish
198 branchref="$(git for-each-ref --format='%(objectname)' \
199 '[r]efs/heads/$branch')"
200 if [ "x$branchref" != "x" ]; then
201 branch="refs/heads/$branch"
206 # If our tag will point at a branch, push that branch, and add its
207 # pushRemote and remote to the things we'll check if the user didn't
211 b=${branch#refs/heads/}
213 remoteconfigs+=( branch.$b.pushRemote branch.$b.remote )
217 # also check, if the branch does not have its own pushRemote or
218 # remote, whether there's a default push remote configured
219 remoteconfigs+=(remote.pushDefault)
221 if $pushing && [ "x$remote" = "x" ]; then
222 for c in "${remoteconfigs[@]}"; do
223 remote=$(git config "$c" || test $? = 1)
224 if [ "x$remote" != "x" ]; then break; fi
226 if [ "x$remote" = "x" ]; then
227 fail "pushing, but could not determine remote, so need --remote="
231 # **** Gather source package information ****
236 git cat-file blob "$branch":debian/changelog >"$temp/debian/changelog"
237 version=$(cd $temp; dpkg-parsechangelog -SVersion)
238 source=$(cd $temp; dpkg-parsechangelog -SSource)
239 target=$(cd $temp; dpkg-parsechangelog -SDistribution)
243 format="$(get_file_from_ref debian/source/format)"
245 '3.0 (quilt)') upstream=true ;;
246 '3.0 (native)') upstream=false ;;
248 if get_file_from_ref debian/source/options | grep '^-sn *$'; then
250 elif get_file_from_ref debian/source/options | grep '^-sk *$'; then
253 fail 'please see "SOURCE FORMAT 1.0" in git-debpush(1)'
257 fail "unsupported debian/source/format $format"
261 # **** Gather git history information ****
263 last_debian_tag=$(find_last_tag "debian/")
264 last_archive_tag=$(find_last_tag "archive/debian/")
268 if [ "x$upstream_tag" = x ]; then
271 git deborig --just-print --version="$version" \
273 ps="${PIPESTATUS[*]}"
276 "0 0"|"141 0") ;; # ok or SIGPIPE
279 "$us: git-deborig failed; maybe try $us --upstream=TAG"
282 *) exit 127; # presumably head will have complained
285 if [ "x$upstream_tag" = x ]; then exit 127; fi
287 upstream_committish=$(git rev-parse "refs/tags/${upstream_tag}"^{})
288 upstream_info=" upstream-tag=$upstream_tag upstream=$upstream_committish"
289 to_push+=("$upstream_tag")
292 # **** Useful sanity checks ****
294 # ---- UNRELEASED suite
296 if [ "$target" = "UNRELEASED" ]; then
297 fail_check unreleased "UNRELEASED changelog"
300 # ---- Pushing dgit view to maintainer view
302 if ! [ "x$last_debian_tag" = "x" ] && ! [ "x$last_archive_tag" = "x" ]; then
303 last_debian_tag_c=$(git rev-parse "$last_debian_tag"^{})
304 last_archive_tag_c=$(git rev-parse "$last_archive_tag"^{})
305 if ! [ "$last_debian_tag_c" = "$last_archive_tag_c" ] \
306 && git merge-base --is-ancestor \
307 "$last_debian_tag" "$last_archive_tag"; then
308 fail_check dgit-view \
309 "looks like you might be trying to push the dgit view to the maintainer branch?"
313 # ---- Targeting different suite
315 if ! [ "x$last_debian_tag" = "x" ]; then
319 git cat-file blob "$last_debian_tag":debian/changelog >"$temp/debian/changelog"
320 prev_target=$(cd $temp; dpkg-parsechangelog -SDistribution)
324 if ! [ "$prev_target" = "$target" ] && ! [ "$target" = "UNRELEASED" ]; then
326 "last upload targeted $prev_target, now targeting $target; might be a mistake?"
330 # ---- Upstream tag is not ancestor of $branch
332 if ! [ "x$upstream_tag" = "x" ] \
333 && ! git merge-base --is-ancestor "$upstream_tag" "$branch" \
334 && ! [ "$quilt_mode" = "baredebian" ]; then
335 fail_check upstream-nonancestor \
336 "upstream tag $upstream_tag is not an ancestor of $branch; probably a mistake"
339 # ---- Upstream tag tree nonidentical
341 case "$quilt_mode" in
343 check_treesame "$upstream_tag" "$branch" ':!debian' ':!**.gitignore' \
344 || fail_check_upstream_nonidentical
347 check_treesame "$upstream_tag" "$branch" ':!debian' \
348 || fail_check_upstream_nonidentical
354 if $failed_check; then
355 # We don't mention the --force=check options here as those are
356 # mainly for use by scripts, or when you already know what check
357 # is going to fail before you invoke git-debpush. Keep the
358 # script's terminal output as simple as possible. No "see the
360 fail "some check(s) failed; you can pass --force to ignore them"
363 # **** Create the git tag ****
365 # convert according to DEP-14 rules
366 git_version=$(echo $version | tr ':~' '%_' | sed 's/\.(?=\.|$|lock$)/.#/g')
368 debian_tag="$distro/$git_version"
369 to_push+=("$debian_tag")
371 # If the user didn't supply a quilt mode, look for it in a previous
372 # tag made by this script
373 if [ "x$quilt_mode" = "x" ] && [ "$format" = "3.0 (quilt)" ]; then
374 set +o pipefail # perl will SIGPIPE git-cat-file(1) here
375 if [ "x$last_debian_tag" != "x" ]; then
376 quilt_mode=$(git cat-file -p $(git rev-parse "$last_debian_tag") \
378 'm/^\[dgit.*--quilt=([a-z+]+).*\]$/;
379 if ($1) { print "$1\n"; exit }')
385 if [ "$format" = "3.0 (quilt)" ]; then
386 if [ "x$quilt_mode" = "x" ]; then
387 echo >&2 "$us: could not determine the git branch layout"
388 echo >&2 "$us: please supply a --quilt= argument"
391 quilt_mode_text=" --quilt=$quilt_mode"
395 git tag "${git_tag_opts[@]}" -s -F- "$debian_tag" "$branch" <<EOF
396 $source release $version for $target
398 [dgit distro=$distro split$quilt_mode_text]
399 [dgit please-upload$upstream_info]
402 # **** Do a git push ****
405 git push "$remote" "${to_push[@]}"