Enable setting rev via -ldflags

core/info.go

@@ -2,15 +2,21 @@ package core
 
 import "runtime/debug"
 
+// Set via -ldflags "-X github.com/Jaculabilis/intake/core.Commit=..."
+var Commit string = ""
+
 func GetRevInfo() (rev string) {
-	rev = ""
-	if info, ok := debug.ReadBuildInfo(); ok {
-		for _, setting := range info.Settings {
-			if setting.Key == "vcs.revision" {
-				rev = setting.Value + rev
-			}
-			if setting.Key == "vcs.modified" && setting.Value == "true" {
-				rev = rev + "-dirty"
+	rev = Commit
+	if rev == "" {
+		// No build data embedded, try from runtime/debug
+		if info, ok := debug.ReadBuildInfo(); ok {
+			for _, setting := range info.Settings {
+				if setting.Key == "vcs.revision" {
+					rev = setting.Value + rev
+				}
+				if setting.Key == "vcs.modified" && setting.Value == "true" {
+					rev = rev + "-dirty"
+				}
 			}
 		}
 	}