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