49 lines
1.5 KiB
Bash
Executable file
49 lines
1.5 KiB
Bash
Executable file
#!/bin/sh
|
|
#
|
|
# get-vcs-id
|
|
#
|
|
# Copyright © 2009-2024 Guillem Jover <guillem@debian.org>
|
|
#
|
|
# This program is free software; you can redistribute it and/or modify
|
|
# it under the terms of the GNU General Public License as published by
|
|
# the Free Software Foundation; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# This program is distributed in the hope that it will be useful,
|
|
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
# GNU General Public License for more details.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
#
|
|
|
|
error()
|
|
{
|
|
echo "get-vcs-id: error: $*" 1>&2
|
|
exit 1
|
|
}
|
|
|
|
if [ -f .dist-vcs-id ]; then
|
|
# Get the VCS id from the file distributed in the tarball.
|
|
id="$(cat .dist-vcs-id)"
|
|
elif [ -d .git ] || [ -f .git ]; then
|
|
if ! command -v git >/dev/null; then
|
|
error "cannot get project VCS id, git checkout but git program not found"
|
|
fi
|
|
|
|
# Get the VCS id from the git repository.
|
|
id="$(git rev-list -1 HEAD 2>/dev/null)"
|
|
|
|
# Check if we are on a dirty checkout.
|
|
git update-index --refresh -q >/dev/null
|
|
dirty=$(git diff-index --name-only HEAD 2>/dev/null)
|
|
if [ -n "$dirty" ]; then
|
|
id="$id-dirty"
|
|
fi
|
|
else
|
|
error "cannot get project VCS id, not a git checkout nor a distribution tarball."
|
|
fi
|
|
|
|
# Use printf to avoid the trailing new line that m4_esyscmd would not handle.
|
|
printf "%s" "$id"
|