Shell script to cherry pick commits for a hotfix to production

hotfix.sh

#!/bin/bash
set -e

# Important note: this will add a new patch release AND deploy

if [ $# -lt 2 ]; then
  git fetch --all --tags
  # Interactively get info
  LATEST=$(git describe --tags production)
  read -e -p "Enter the version to patch, or press return for default [$LATEST]: " VERSION
  [ -z "$VERSION" ] && VERSION=$LATEST

  COMMITS=""

  echo -e "Enter a single commit to cherry-pick (you'll be able to enter more): \c"

  while read -r COMMIT
  do
    [ -z $COMMIT ] && break
    COMMITS="$COMMITS$COMMIT "
    echo -e "Another commit (or ENTER if you're done): \c"
  done
else
  VERSION=$1
  COMMITS=${@:2}
fi

if [[ $VERSION != v* ]]; then
  echo "Version should be in the format vX.Y.Z"
  exit 1
fi

set -x

git checkout $VERSION

# Cherry-pick the bugfix commit to this version
git cherry-pick $COMMITS

# Version bump, update CHANGELOG
npm run standard-version -r patch

# Get the new patch version, push tags
NEW_VERSION=$(git describe)
git push --follow-tags origin $NEW_VERSION

# Move the production branch to this new release
git branch -f production $NEW_VERSION

# Push production
git push -f origin production

git checkout master