git-branch-status

#!/bin/bash
# modified from https://gist.github.com/1288596 by http://github.com/jehiah
# JAN 01 2013 by http://github.com/zeroeth
#
# Show distance between local master and remote branches


# list how far apart from local master each branch is
echo "Distance from master:"
git for-each-ref --format="%(refname:short) %(upstream:short)" refs/heads | \
while read local remote
do
  git rev-list --left-right ${local}...master -- 2>/dev/null >/tmp/git_upstream_status_delta || continue
  LEFT_AHEAD=$(grep -c '^<' /tmp/git_upstream_status_delta)
  RIGHT_AHEAD=$(grep -c '^>' /tmp/git_upstream_status_delta)
  echo "$local (ahead $LEFT_AHEAD) | (behind $RIGHT_AHEAD) master"
done


# also list how far out of sync locals are with their remotes
echo ""
echo "Distance from own remote:"

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