| #!/bin/sh |
| |
| # SPDX-License-Identifier: GPL-2.0-or-later |
| # Generate a version string using git describe |
| |
| build_dir="$1" |
| |
| # Bail out if the directory isn't under git control |
| src_dir=$(git rev-parse --git-dir 2>&1) || exit 1 |
| src_dir=$(readlink -f "$src_dir/..") |
| |
| # 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" |