59 lines
1.3 KiB
Go
59 lines
1.3 KiB
Go
package debug
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import (
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_debug "runtime/debug"
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)
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// DEBUG returns whether debugging is enabled.
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func DEBUG() bool {
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return debug
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}
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// Run will only call fn if DEBUG is enabled.
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func Run(fn func()) {
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if debug {
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fn()
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}
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}
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// BuildInfo will return a useful new-line separated build info string for current binary, setting name as given value.
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func BuildInfo(name string) string {
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// Read build info from current binary
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build, ok := _debug.ReadBuildInfo()
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if !ok {
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return "name=" + name + "\n"
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}
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var flags, vcs, commit, time string
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// Parse build information from BuildInfo.Settings
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for i := 0; i < len(build.Settings); i++ {
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switch build.Settings[i].Key {
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case "-gcflags":
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flags += ` -gcflags="` + build.Settings[i].Value + `"`
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case "-ldflags":
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flags += ` -ldflags="` + build.Settings[i].Value + `"`
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case "-tags":
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flags += ` -tags="` + build.Settings[i].Value + `"`
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case "vcs":
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vcs = build.Settings[i].Value
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case "vcs.revision":
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commit = build.Settings[i].Value
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if len(commit) > 8 {
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commit = commit[:8]
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}
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case "vcs.time":
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time = build.Settings[i].Value
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}
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}
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return "" +
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"name=" + name + "\n" +
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"vcs=" + vcs + "\n" +
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"commit=" + commit + "\n" +
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"version=" + build.Main.Version + "\n" +
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"path=" + build.Path + "\n" +
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"build=" + build.GoVersion + flags + "\n" +
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"time=" + time + "\n"
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}
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