src/dpkg-db-keeper.sh

   1 #!/bin/sh
   2 #
   3 # Copyright © 2023 Guillem Jover <guillem@debian.org>
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 2 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  17
  18 PROGNAME=$(basename "$0")
  19 ADMINDIR=/var/lib/dpkg
  20
  21 PKGDATADIR_DEFAULT=src
  22 PKGDATADIR="${DPKG_DATADIR:-$PKGDATADIR_DEFAULT}"
  23
  24 # shellcheck source=src/sh/dpkg-error.sh
  25 . "$PKGDATADIR/sh/dpkg-error.sh"
  26
  27 setup_colors
  28
  29 # This script is used to track any change in the dpkg database for later
  30 # inspection, either as a matter of record tracking or to aid in debugging
  31 # dpkg behavior. It can be installed as a post-invoke hook such as:
  32 #
  33 # ,--- /etc/dpkg/dpkg.cfg.d/db-keeper ---
  34 # post-invoke "/usr/libexec/dpkg-db-keeper"
  35 # `---
  36
  37 if [ -n "$DPKG_ROOT" ]; then
  38   # Only operate on the main system.
  39   exit 0
  40 fi
  41
  42 if ! command -v git >/dev/null; then
  43   # Do nothing if there is no git.
  44   exit 0
  45 fi
  46
  47 : "${DPKG_ADMINDIR:=/var/lib/dpkg}"
  48
  49 cd "$DPKG_ADMINDIR" || exit 0
  50
  51 if [ ! -e .git ]; then
  52   # Initialize the git repo.
  53   git init
  54 fi
  55
  56 git add -A
  57 git commit -m 'Commit dpkg db updates'
  58
  59 exit 0