Experimental git sync & deploy hooks

deploy.sh

#!/bin/sh

LOCAL_BRANCH="master"
LIVE_BRANCH="live"
REMOTE_NAME="deploy"

if [ "$(git symbolic-ref -q HEAD)" != "refs/heads/${LOCAL_BRANCH}" ]; then
  echo "Not on ${LOCAL_BRANCH}, not deploying"
  exit 1
else
  echo "Syncing and deploying"
  git push ${REMOTE_NAME} ${LOCAL_BRANCH}:master
  git pull ${REMOTE_NAME} ${LIVE_BRANCH}
  git push ${REMOTE_NAME} ${LOCAL_BRANCH}:master
fi

post-receive.sh

#!/bin/sh

cd "$(dirname $0)/.."
export GIT_DIR="."
export GIT_WORK_TREE=".."

if [ "$(git symbolic-ref -q HEAD)" != "refs/heads/live" ]; then
  echo "Not on live, not deploying"
  exit 1
elif ! ./hooks/sync; then
  echo "Sync failed"
  exit 1
elif ! git merge --ff-only "refs/heads/master"; then
  echo "New changes on live, not deploying"
  exit 1
else
  echo "Changes deployed"
  exit 0
fi

sync.sh

#!/bin/sh

cd "$(dirname $0)/.."

export GIT_DIR="."
export GIT_WORK_TREE=".."

if [ "$(git symbolic-ref -q HEAD)" != "refs/heads/live" ]; then
  echo "Not on live, not syncing changes"
  exit 1
elif ! git diff-index --exit-code --quiet --cached HEAD --; then
  echo "Changes exist in index, not syncing"
  exit 1
elif [ -z "$(git status --porcelain)" ]; then
  echo "No changes to commit"
  exit 0
else
  git add --all $GIT_WORK_TREE
  git commit -m "$(date "+SYNC %F %T")"
  exit 0
fi