50 lines
1.7 KiB
Bash
Executable file
50 lines
1.7 KiB
Bash
Executable file
#!/bin/sh
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#
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# get-version
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#
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# Copyright © 2009, 2013-2015, 2018, 2020 Guillem Jover <guillem@debian.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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#
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error()
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{
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echo "get-version: error: $*" 1>&2
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exit 1
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}
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if [ -f .dist-version ]; then
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# Get the version from the file distributed in the tarball.
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version=$(cat .dist-version)
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elif [ -d .git ] || [ -f .git ]; then
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if ! command -v git >/dev/null; then
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error "cannot get project version, git checkout but git program not found"
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fi
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# Get the version from the git repository. Since tags cannot contain colons
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# or tildes, we use percent and underscore instead. Reverse that switch here.
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version=$(git describe --abbrev=4 HEAD 2>/dev/null | tr %_ :~)
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# Check if we are on a dirty checkout.
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git update-index --refresh -q >/dev/null
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dirty=$(git diff-index --name-only HEAD 2>/dev/null)
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if [ -n "$dirty" ]; then
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version="$version-dirty"
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fi
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else
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error "cannot get project version, not a git checkout nor a distribution tarball."
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fi
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# Use printf to avoid the trailing new line that m4_esyscmd would not handle.
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printf "%s" "$version"
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