dpkg (1.18.25) stretch; urgency=medium
[dpkg] / get-version
1 #!/bin/sh
2 #
3 # get-version
4 #
5 # Copyright © 2009, 2013-2014 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 if [ -f .dist-version ]; then
22 # Get the version from the file distributed in the tarball.
23 version=$(cat .dist-version)
24 elif [ -d .git ]; then
25 # Get the version from the git repository. Since tags cannot contain colons
26 # or tildes, we use percent and underscore instead. Reverse that switch here.
27 version=$(git describe --abbrev=4 HEAD 2>/dev/null | tr %_ :~)
28
29 # Check if we are on a dirty checkout.
30 git update-index --refresh -q >/dev/null
31 dirty=$(git diff-index --name-only HEAD 2>/dev/null)
32 if [ -n "$dirty" ]; then
33 version="$version-dirty"
34 fi
35 else
36 echo "error: cannot get project version." 1>&2
37 exit 1
38 fi
39
40 # Use printf to avoid the trailing new line that m4_esyscmd would not handle.
41 printf "$version"