build-aux/gen-release

   1 #!/bin/sh
   2 #
   3 # gen-release
   4 #
   5 # Copyright © 2017-2024 Guillem Jover <guillem@debian.org>
   6 #
   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 2 of the License, or
  10 # (at your option) any later version.
  11 #
  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.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  19 #
  20
  21 set -x
  22 set -e
  23 set -u
  24
  25 # Pre-checks.
  26
  27 # Currently requires packages: dpkg-dev, git, schroot and devscripts
  28 # (the latter should eventually be replaced by dpkg tools).
  29 for req in dpkg-parsechangelog git schroot dch debsign dscverify; do
  30   if ! command -v $req >/dev/null 2>&1; then
  31     echo "error: missing required command $req" >&2
  32     exit 1
  33   fi
  34 done
  35
  36 if [ "$(dpkg-parsechangelog -SSource)" != 'dpkg' ] || ! [ -e .git ]; then
  37   echo "error: not inside the dpkg git tree" >&2
  38   exit 1
  39 fi
  40
  41 # Setup.
  42 dist="${1:-unstable}"
  43 relver="${2:-$(dpkg-parsechangelog -SVersion)}"
  44
  45 numjobs="$(nproc)"
  46 checkflags="-j$numjobs AUTHOR_TESTING=1 TEST_PARALLEL=$numjobs"
  47
  48 dircode="$(pwd)"
  49 dirtests="$dircode/tests"
  50 dirbuild="$(mktemp --tmpdir --directory release-dpkg.XXXXXXXX)"
  51
  52 # Update the source chroot.
  53 schroot -c "source:$dist" -- sudo eatmydata apt-get --yes update
  54 schroot -c "source:$dist" -- sudo eatmydata apt-get --yes upgrade
  55
  56 # Setup a clean chroot session.
  57 chroot="$(schroot -c "$dist" -b)"
  58
  59 echo "Release start: $(date -Iseconds)"
  60
  61 cd "$dircode"
  62
  63 schroot -c "$chroot" -r -- sudo eatmydata apt-get --yes build-dep \
  64   -P pkg.dpkg.author-testing,pkg.dpkg.author-release .
  65
  66 if ! git log --format=tformat:%s -s HEAD~2.. | grep 'po: Regenerate'; then
  67   # Clean slate.
  68   git clean -Xdf
  69
  70   # Update the .pot and .po files.
  71   echo "$relver" >.dist-version
  72   schroot -c "$chroot" -r -- ./autogen
  73   schroot -c "$chroot" -r -- ./configure
  74   schroot -c "$chroot" -r -- make update-po
  75   rm -f .dist-version
  76   git commit -a -m 'po: Regenerate .pot files and merge .po files with them'
  77 fi
  78
  79 if [ -z "$(git tag --list "$relver")" ]; then
  80   # Finalize the actual release.
  81   genchangelog='build-aux/gen-changelog'
  82   sed -i -e "2e$genchangelog" -e '2,3d' debian/changelog
  83   dch -r -D"$dist"
  84   git commit -a -m "Release $relver"
  85   git tag -s "$relver" -m "Release $relver"
  86 elif [ "$(git describe)" != "$relver" ]; then
  87   echo "error: mismatched tag for $relver not on git HEAD" >&2
  88   exit 1
  89 fi
  90
  91 # Clean slate.
  92 git clean -Xdf
  93
  94 # Prepare the tarball for distribution.
  95 schroot -c "$chroot" -r -- ./autogen
  96 schroot -c "$chroot" -r -- ./configure
  97 if [ "$dist" = unstable ]; then
  98   # Generate the CPAN distribution only from main.
  99   make dist-cpan
 100 fi
 101 # shellcheck disable=SC2086
 102 schroot -c "$chroot" -r -- make $checkflags distcheck
 103
 104 # Prepare for packaged release.
 105 mkdir -p "$dirbuild"
 106 cp "dpkg-$relver.tar.xz" "$dirbuild/"
 107
 108 # Teardown pre-release chroot.
 109 schroot -c "$chroot" -e
 110
 111 cd "$dirbuild"
 112
 113 # Setup a clean chroot session for the dist tarballs.
 114 chroot="$(schroot -c "$dist" -b)"
 115
 116 # Build twice, to make sure we can build ourselves with the new dpkg,
 117 # and to verify that we are building reproducibly.
 118
 119 # Build A and B in a chroot.
 120 for iter in a b; do (
 121   mkdir -p "build-$iter"
 122   cd "build-$iter"
 123   tar xaf "../dpkg-$relver.tar.xz"
 124   cd "dpkg-$relver"
 125
 126   schroot -c "$chroot" -r -- sudo eatmydata apt-get --yes build-dep .
 127   schroot -c "$chroot" -r -- dpkg-buildpackage -us -uc --changes-option=-S
 128
 129   # Install resulting .debs.
 130   schroot -c "$chroot" -r -- sudo eatmydata dpkg -iO ../*.deb
 131 ) done
 132
 133 # Run functional test-suite.
 134 (
 135   set -x
 136   set -e
 137   set -u
 138
 139   cd "$dirtests"
 140   schroot -c "$chroot" -r -- sudo eatmydata apt-get --yes purge pkg-config
 141   schroot -c "$chroot" -r -- eatmydata make test-clean clean
 142   schroot -c "$chroot" -r -- eatmydata make test 2>&1 | tee test.log
 143 )
 144
 145 schroot -c "$chroot" -r -- sudo eatmydata apt-get --yes install lintian
 146
 147 # Verify the result.
 148 diff -u build-a/dpkg_*.changes build-b/dpkg_*.changes || true
 149 # Prompt to continue? (.buildinfo will differ)
 150 diff -u build-a/dpkg_*.buildinfo build-b/dpkg_*.buildinfo || true
 151 # Prompt to continue? (Build-Date, Environment will differ).
 152 schroot -c "$chroot" -r -- lintian build-b/*.changes build-b/*.deb
 153
 154 # Teardown chroot.
 155 schroot -c "$chroot" -e
 156
 157 # Sign and verify.
 158 cd "$dirbuild/build-b"
 159 debsign dpkg_"${relver}"_*.changes
 160 dscverify dpkg_"${relver}"_*.changes
 161
 162 ls -l "$(pwd)"
 163
 164 echo "Release process finished (dpkg ${relver}): $(date -Iseconds)"
 165 echo "  Hint: upload to CPAN"
 166 echo "  Hint: update https://www.wikidata.org/wiki/Q305892"