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https://github.com/servalproject/serval-dna.git
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65 lines
2.3 KiB
Bash
Executable File
65 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# Serval Project Serval DNA version string generator
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# Copyright 2013 Serval Project, Inc.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (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, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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set -e
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get_author_label() {
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# See git-commit-tree(1) for the semantics of working out the author's email
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# address when committing.
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local email
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email="${GIT_AUTHOR_EMAIL:-${GIT_COMMITTER_EMAIL:-${EMAIL:-$(git config --get user.email || true)}}}"
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# Serval Project email addresses get special treatment, to reduce day-to-day
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# version string verbosity.
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case "$email" in
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'') author_label="${LOGNAME?}@$(hostname --fqdn)";;
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*@servalproject.org) author_label="${email%@*}";;
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*) author_label="$email";;
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esac
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}
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dirty=
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dirtyfiles=$(git status --short --untracked-files=no)
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if [ -n "$dirtyfiles" ]; then
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get_author_label
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dirty="+$author_label-$(date '+%Y%m%d%H%M%S')"
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fi
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if ! git describe "${dirty:+--dirty=$dirty}" 2>/dev/null; then
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original_commit=$(git rev-list --reverse --max-parents=0 --abbrev-commit HEAD 2>/dev/null | head -n 1)
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if [ -z "$original_commit" ]; then
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original_commit=$(git rev-list --reverse --abbrev-commit HEAD | head -n 1)
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fi
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if [ -z "$original_commit" ]; then
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echo "$0: original commit unknown" >&2
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exit 1
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fi
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existing_start_tag="$(git rev-list --no-walk START 2>/dev/null | true)"
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if [ -n "$(git tag --list START 2>/dev/null)" -a "$existing_start_tag" != "$original_commit" ]; then
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echo "$0: tag 'START' is already in use" >&2
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exit 1
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fi
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if [ -z "$existing_start_tag" ]; then
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git tag START $original_commit
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fi
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git describe --dirty="$dirty" --tags
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if [ -z "$existing_start_tag" ]; then
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git tag -d START >/dev/null
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fi
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fi
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