31 lines
1.1 KiB
Go
31 lines
1.1 KiB
Go
package version
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import "runtime/debug"
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// VERSION contains version information. It is set at build time via
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// -ldflags "-X github.com/oauth2-proxy/oauth2-proxy/v7/pkg/version.VERSION=<version>".
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// When the binary is built without those flags (for example via
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// `go install github.com/oauth2-proxy/oauth2-proxy/v7@latest`), it falls back
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// to the module version recorded in the build info so that `--version` still
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// reports a meaningful value instead of "undefined".
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var VERSION = "undefined"
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func init() {
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VERSION = resolveVersion(VERSION, debug.ReadBuildInfo)
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}
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// resolveVersion returns ldflagsVersion when it has been explicitly set at
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// build time. Otherwise it derives the version from the module build info,
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// allowing `go install`-ed binaries to report a meaningful version.
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func resolveVersion(ldflagsVersion string, readBuildInfo func() (*debug.BuildInfo, bool)) string {
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if ldflagsVersion != "" && ldflagsVersion != "undefined" {
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return ldflagsVersion
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}
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if info, ok := readBuildInfo(); ok && info != nil {
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if v := info.Main.Version; v != "" && v != "(devel)" {
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return v
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}
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}
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return ldflagsVersion
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}
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