diff options
Diffstat (limited to '')
| -rwxr-xr-x | build-aux/get-version | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/build-aux/get-version b/build-aux/get-version new file mode 100755 index 0000000..e714be1 --- /dev/null +++ b/build-aux/get-version @@ -0,0 +1,50 @@ +#!/bin/sh +# +# get-version +# +# Copyright © 2009, 2013-2015, 2018, 2020 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-version: error: $*" 1>&2 + exit 1 +} + +if [ -f .dist-version ]; then + # Get the version from the file distributed in the tarball. + version=$(cat .dist-version) +elif [ -d .git ] || [ -f .git ]; then + if ! command -v git >/dev/null; then + error "cannot get project version, git checkout but git program not found" + fi + + # Get the version from the git repository. Since tags cannot contain colons + # or tildes, we use percent and underscore instead. Reverse that switch here. + version=$(git describe --abbrev=4 HEAD 2>/dev/null | tr %_ :~) + + # Check if we are on a dirty checkout. + git update-index --refresh -q >/dev/null + dirty=$(git diff-index --name-only HEAD 2>/dev/null) + if [ -n "$dirty" ]; then + version="$version-dirty" + fi +else + error "cannot get project version, 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" "$version" |