17 lines
620 B
Bash
Executable File
17 lines
620 B
Bash
Executable File
#!/bin/sh
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set -eu
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description=$(git describe --tags --long --match 'v[0-9]*' --dirty)
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case "$description" in
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*-dirty) echo "refusing to package a dirty tree" >&2; exit 1 ;;
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esac
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version=${description#v}
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case "$version" in
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*-0-g*) version=${version%%-0-g*} ;;
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esac
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# Upstream uses four numeric components (for example v1.0.39.0), whereas
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# Helm chart versions must be SemVer. Keep the upstream Git tag verbatim and
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# encode its fourth component as a SemVer prerelease identifier.
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version=$(printf '%s\n' "$version" | sed -E 's/^([0-9]+)\.([0-9]+)\.([0-9]+)\.([0-9]+)(-.*)?$/\1.\2.\3-\4\5/')
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printf '%s\n' "$version"
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