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23 lines
599 B
23 lines
599 B
getVersion() {
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local dir="$1"
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rev=
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gitDir="$dir/.git"
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if [ -e "$gitDir" ]; then
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if [ -z "$(type -P git)" ]; then
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echo "warning: Git not found; cannot figure out revision of $dir" >&2
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return
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fi
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cd "$dir"
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rev=$(git --git-dir="$gitDir" rev-parse --short HEAD)
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if git --git-dir="$gitDir" describe --always --dirty | grep -q dirty; then
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rev+=M
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fi
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fi
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}
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if nixpkgs=$(nix-instantiate --find-file nixpkgs "$@"); then
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getVersion $nixpkgs
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if [ -n "$rev" ]; then
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echo ".git.$rev"
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fi
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fi
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