Avoid empty author and email (#5355)

faustinoaq · RX14 · commit 2bff41d55b6e · 2018-01-02T15:46:31.000Z
diff --git a/src/compiler/crystal/tools/init.cr b/src/compiler/crystal/tools/init.cr
@@ -44,20 +44,27 @@ module Crystal
     end
 
     def self.fetch_author
-      return "[your-name-here]" unless system(WHICH_GIT_COMMAND)
-      `git config --get user.name`.strip
+      if system(WHICH_GIT_COMMAND)
+        user_name = `git config --get user.name`.strip
+        user_name = nil if user_name.empty?
+      end
+      user_name || "your-name-here"
     end
 
     def self.fetch_email
-      return "[your-email-here]" unless system(WHICH_GIT_COMMAND)
-      `git config --get user.email`.strip
+      if system(WHICH_GIT_COMMAND)
+        user_email = `git config --get user.email`.strip
+        user_email = nil if user_email.empty?
+      end
+      user_email || "your-email-here"
     end
 
     def self.fetch_github_name
-      default = "[your-github-name]"
-      return default unless system(WHICH_GIT_COMMAND)
-      github_user = `git config --get github.user`.strip
-      github_user.empty? ? default : github_user
+      if system(WHICH_GIT_COMMAND)
+        github_user = `git config --get github.user`.strip
+        github_user = nil if github_user.empty?
+      end
+      github_user || "your-github-user"
     end
 
     def self.fetch_name(opts, args)
