Kyle Isom
9c016e54ec
When set, --strict rejects builds/pushes where the working tree is dirty or HEAD is not exactly on a git tag. Ensures image tags in the registry always match clean git tags. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
package main
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import (
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"fmt"
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"strings"
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)
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// serviceVersion runs git describe in the service directory and returns
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// the version string. If strict is true, it rejects versions that are
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// dirty or not exactly on a tag.
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func serviceVersion(svcPath string, strict bool) (string, error) {
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version, err := runOutput(svcPath, "git", "describe", "--tags", "--always", "--dirty")
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if err != nil {
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return "", fmt.Errorf("git describe in %s: %w", svcPath, err)
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}
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if strict {
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if strings.HasSuffix(version, "-dirty") {
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return "", fmt.Errorf("--strict: working tree is dirty (%s); commit or stash changes before building", version)
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}
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// git describe produces "v1.0.0-3-gabcdef" when HEAD is 3 commits past a tag.
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// A clean tag has no hyphen after the version (except pre-release like v1.0.0-rc1,
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// which we allow). Detect the "-N-gHASH" suffix.
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if parts := strings.Split(version, "-"); len(parts) >= 3 {
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// Check if second-to-last part is a number (commit count).
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secondToLast := parts[len(parts)-2]
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if len(secondToLast) > 0 && secondToLast[0] >= '0' && secondToLast[0] <= '9' {
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last := parts[len(parts)-1]
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if strings.HasPrefix(last, "g") {
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return "", fmt.Errorf("--strict: HEAD is not on a tag (%s); create a tag before building", version)
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}
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}
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}
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}
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return version, nil
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}
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