23 lines
623 B
Bash
Executable File
23 lines
623 B
Bash
Executable File
#!/usr/bin/env bash
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set -eu
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set -o pipefail
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dir="$1"
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tag="$2"
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fallback="$3"
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if [ -n "$tag" ]; then
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echo "$tag"
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exit 0
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fi
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# Apparently git describe has a bug where it always considers the work-tree
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# dirty when invoked with --git-dir (even though 'git status' is happy). Work
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# around this issue by cd-ing to the source directory.
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cd "$dir"
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# Check that we have either .git/ (a normal clone) or a .git file (a work-tree)
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# and that we don't get confused if a tarball is extracted in a higher-level
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# git repository.
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[ -e .git ] && git describe --abbrev=7 --dirty=+ 2>/dev/null | sed 's/^v//' || echo "$fallback"
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