feat(git-prompt): display stash count in prompt

plugins/git-prompt/gitstatus.py

@@ -23,6 +23,18 @@ def get_tagname_or_hash():
         return hash_
     return None
 
+# Re-use method from https://github.com/magicmonty/bash-git-prompt to get stashs count
+def get_stash():
+    cmd = Popen(['git', 'rev-parse', '--git-dir'], stdout=PIPE, stderr=PIPE)
+    so, se = cmd.communicate()
+    stash_file = '%s%s' % (so.decode('utf-8').rstrip(), '/logs/refs/stash')
+
+    try:
+        with open(stash_file) as f:
+            return sum(1 for _ in f)
+    except IOError:
+        return 0
+
 
 # `git status --porcelain --branch` can collect all information
 # branch, remote_branch, untracked, staged, changed, conflicts, ahead, behind
@@ -68,6 +80,12 @@ for st in status:
         elif st[0] != ' ':
             staged.append(st)
 
+stashed = get_stash()
+if not changed and not staged and not conflicts and not untracked and not stashed:
+    clean = 1
+else:
+    clean = 0
+
 out = ' '.join([
     branch,
     str(ahead),
@@ -76,5 +94,7 @@ out = ' '.join([
     str(len(conflicts)),
     str(len(changed)),
     str(len(untracked)),
+    str(stashed),
+    str(clean)
 ])
 print(out, end='')