#!/bin/bash -e

STEP_COLOR="\033[0;36m"
NO_COLOR="\033[0m"

function step {
    echo -e ${STEP_COLOR}[$(date +%H:%M:%S)] $1${NO_COLOR}
}

### Determine what to push

step "Collect refs to push to origin"

CURRENT_BRANCH=$(git branch --list | awk '/^\*/{print $2}')
REQUIRED=$(git show-ref --tags | grep -v -F "$(git ls-remote --tags origin | grep -v '\^{}' | cut -f 2)" | cut -d '/' -f 3 | xargs)

if ( test "$(git show-ref refs/heads/${CURRENT_BRANCH} | cut -d ' ' -f 1)" != "$(git show-ref refs/remotes/origin/${CURRENT_BRANCH} | cut -d ' ' -f 1)" ); then
  REQUIRED="${REQUIRED} ${CURRENT_BRANCH}"
fi

if [ -z "${REQUIRED}" ]; then
  exit 0
fi

step "Execute pre-push auto-hook"
git autohook pre-push

step "Execute pushes..."
for ref in ${REQUIRED}; do
  git push origin ${ref}
done

step "Execute post-push auto-hook"
git autohook post-push