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| -rwxr-xr-x | scripts/gen-version.sh | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/scripts/gen-version.sh b/scripts/gen-version.sh new file mode 100755 index 0000000..eb7c726 --- /dev/null +++ b/scripts/gen-version.sh @@ -0,0 +1,50 @@ +#!/bin/sh + +# SPDX-License-Identifier: GPL-2.0-or-later +# Generate a version string using git describe + +build_dir="$1" +src_dir="$2" + +# If .tarball-version exists, output the version string from the file and exit. +# This file is auto-generated on a 'meson dist' command from the run-dist.sh +# script. +if [ -n "$src_dir" ] && [ -f "$src_dir"/.tarball-version ] +then + cat "$src_dir"/.tarball-version + exit 0 +fi + +# Bail out if the directory isn't under git control +git_dir=$(git rev-parse --git-dir 2>&1) || exit 1 + +# Derive the source directory from the git directory if not specified. +if [ -z "$src_dir" ] +then + src_dir=$(readlink -f "$git_dir/..") +fi + +# Get a short description from the tree. +version=$(git describe --abbrev=8 --match "v[0-9]*" 2>/dev/null) + +if [ -z "$version" ] +then + # Handle an un-tagged repository + sha=$(git describe --abbrev=8 --always 2>/dev/null) + commits=$(git log --oneline | wc -l 2>/dev/null) + version="v0.0.0-$commits-g$sha" +fi + +# Append a '-dirty' suffix if the working tree is dirty. Prevent false +# positives due to changed timestamps by running git update-index. +if [ -z "$build_dir" ] || (echo "$build_dir" | grep -q "$src_dir") +then + git update-index --refresh > /dev/null 2>&1 +fi +git diff-index --quiet HEAD || version="$version-dirty ($(date --iso-8601=seconds))" + +# Replace first '-' with a '+' to denote build metadata, strip the 'g' in from +# of the git SHA1 and remove the initial 'v'. +version=$(echo "$version" | sed -e 's/-/+/' | sed -e 's/-g/-/' | cut -c 2-) + +echo "$version" |