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https://gitee.com/bianbu-linux/usb-gadget
synced 2025-04-21 13:57:08 -04:00
50 lines
1.5 KiB
Bash
50 lines
1.5 KiB
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0-or-later
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# Generate a version string using git describe
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build_dir="$1"
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src_dir="$2"
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# If .tarball-version exists, output the version string from the file and exit.
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# This file is auto-generated on a 'meson dist' command from the run-dist.sh
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# script.
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if [ -n "$src_dir" ] && [ -f "$src_dir"/.tarball-version ]
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then
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cat "$src_dir"/.tarball-version
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exit 0
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fi
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# Bail out if the directory isn't under git control
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git_dir=$(git rev-parse --git-dir 2>&1) || exit 1
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# Derive the source directory from the git directory if not specified.
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if [ -z "$src_dir" ]
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then
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src_dir=$(readlink -f "$git_dir/..")
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fi
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# Get a short description from the tree.
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version=$(git describe --abbrev=8 --match "v[0-9]*" 2>/dev/null)
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if [ -z "$version" ]
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then
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# Handle an un-tagged repository
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sha=$(git describe --abbrev=8 --always 2>/dev/null)
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commits=$(git log --oneline | wc -l 2>/dev/null)
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version="v0.0.0-$commits-g$sha"
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fi
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# Append a '-dirty' suffix if the working tree is dirty. Prevent false
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# positives due to changed timestamps by running git update-index.
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if [ -z "$build_dir" ] || (echo "$build_dir" | grep -q "$src_dir")
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then
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git update-index --refresh > /dev/null 2>&1
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fi
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git diff-index --quiet HEAD || version="$version-dirty ($(date --iso-8601=seconds))"
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# Replace first '-' with a '+' to denote build metadata, strip the 'g' in from
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# of the git SHA1 and remove the initial 'v'.
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version=$(echo "$version" | sed -e 's/-/+/' | sed -e 's/-g/-/' | cut -c 2-)
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echo "$version"
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