Disambiguate tags and paths for git log.

Author: scottgonzalez

lib/service/github.js

@@ -120,7 +120,9 @@ extend( GithubRepo.prototype, {
 	},
 
 	getReleaseDate: function( tag, fn ) {
-		exec( "git log --pretty='%cD' -1 " + tag, { cwd: this.path }, function( error, stdout ) {
+		// The trailing "--" avoids an ambiguous argument in case a repo
+		// contains a path that matches the tag name
+		exec( "git log --pretty='%cD' -1 " + tag + " --", { cwd: this.path }, function( error, stdout ) {
 			if ( error ) {
 				return fn( error );
 			}