initial commit - print commits ahead<->behind counts

Author: jehiah

git-branch-status

@@ -0,0 +1,18 @@
+#!/bin/bash
+# by http://github.com/jehiah
+# this prints out some branch status (similar to the '... ahead' info you get from git status)
+
+# example:
+# $ git branch-status
+# dns_check (ahead 1) | (behind 112) origin/master
+# master (ahead 2) | (behind 0) origin/master
+
+git for-each-ref --format="%(refname:short) %(upstream:short)" refs/heads | \
+while read local remote
+do
+    [ -z "$remote" ] && continue
+    git rev-list --left-right ${local}...${remote} -- 2>/dev/null >/tmp/git_upstream_status_delta || continue
+    LEFT_AHEAD=$(grep -c '^<' /tmp/git_upstream_status_delta)
+    RIGHT_AHEAD=$(grep -c '^>' /tmp/git_upstream_status_delta)
+    echo "$local (ahead $LEFT_AHEAD) | (behind $RIGHT_AHEAD) $remote"
+done