Fix switching branches with no stash.

If you don't have any stashes, `.git/refs/stash` won't exist, so feeding "refs/stash" into git-log gives an ugly error. Since this was the last thing that happened in feature-switch, it didn't cause any technical problems, but it looked ugly. Fixes #42.
iFixit · Feb 15, 2013 · f119f7c · f119f7c
1 parent 70fec6d
commit f119f7c
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/git.rb b/git.rb
@@ -127,6 +127,11 @@ def self.show_branch_list(options = {})
    end
 
    def self.stashes
+      # Do we even have a stash?
+      if ! File.exist? '.git/refs/stash'
+         return []
+      end
+
       # format = "relative date|stash ref|commit message"
       `git log --format="%ar|%gd|%s" -g "refs/stash"`.lines.map do |line|
          fields = line.split '|', 3