blob: 1eb7668eed86b3bd0c3f622c38044be21a5439e4 (
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#!/bin/sh
set -eu
set -o pipefail
dir="$1"
tag="$2"
fallback="$3"
if [ -n "$tag" ]; then
echo "$tag"
exit 0
fi
# Apparently git describe has a bug where it always considers the work-tree
# dirty when invoked with --git-dir (even though 'git status' is happy). Work
# around this issue by cd-ing to the source directory.
cd "$dir" && git describe --abbrev=7 --dirty=+ 2>/dev/null | sed 's/^v//' || echo "$fallback"
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