Clone a Backdrop project; optionally fetching one or more PRs locally.

bclone.sh

#!/usr/bin/env bash

##
# Clone a Backdrop project; optionally fetching one or more PRs locally.
#

PROJECT=$1
PRS="${@:2}" # Get all arguments after the 1st one.
PROJECT_TYPES=("module" "theme" "layout" "profile")
PROJECT_TYPE=`wget --quiet --output-document=- https://raw.githubusercontent.com/backdrop-contrib/${PROJECT}/HEAD/${PROJECT}.info | awk '/type/ {print $3}'`

if [[ "${PROJECT_TYPES[@]}" =~ "${PROJECT_TYPE}" ]]; then
  if [[ $(basename $PWD) = "docroot" ]]; then
    if [[ ${PROJECT_TYPE} = "profile" && ! -d "profiles" ]]; then
      mkdir profiles
    fi
    cd ${PROJECT_TYPE}s
  fi
else
  echo "Project type could not be determined. Aborting."
  return
fi

if [[ $(basename $PWD) = ${PROJECT_TYPE}s ]]; then
  git clone https://github.com/backdrop-contrib/${PROJECT} ${PROJECT}
  cd ${PROJECT}
  BRANCH=$(git branch --show-current)

  REPO_EXISTS=`curl -s https://api.github.com/repos/klonos/${PROJECT} | jq .name --raw-output`
  if [[ ${REPO_EXISTS} = ${PROJECT} ]]; then
    echo "Repo klonos/${PROJECT} already forked. Updating the fork and moving on..."
    git remote add klonos https://github.com/klonos/${PROJECT}
    git push -u klonos ${BRANCH}:${BRANCH} --force
  else
    echo "Repo klonos/${PROJECT} does not exit. Forking it afresh from backdrop-contrib/${PROJECT}..."
    gh repo fork backdrop-contrib/${PROJECT} --remote=true --remote-name=klonos --clone=false
    git remote add klonos https://github.com/klonos/${PROJECT}
  fi
fi

if [[ ! -z "${PRS}" ]]; then
  DEFAULT_BRANCH=`curl -s https://api.github.com/repos/backdrop-contrib/${PROJECT} | jq .default_branch`
  # DEFAULT_BRANCH=$(git branch -rl '*/HEAD' | rev | cut -d/ -f1 | rev)
  echo "default branch is: $DEFAULT_BRANCH"

  for PR in $PRS; do
    IS_MERGED=`curl -s https://api.github.com/repos/backdrop-contrib/${PROJECT}/pulls/${PR} | jq .merged`
    PR_OWNER=`curl -s https://api.github.com/repos/backdrop-contrib/${PROJECT}/pulls/${PR} | jq .user.login --raw-output`

    if [[ ${IS_MERGED} = null ]]; then
      echo "PR #${PR} not found. Wrong PR number perhaps?"
    elif [[ ${IS_MERGED} = "true" ]]; then
      echo "PR #${PR} by ${PR_OWNER} already merged in backdrop-contrib/${PROJECT}. Skipping..."
    elif [[ ${IS_MERGED} = "false" ]]; then
      echo "Fetching PR #${PR} by ${PR_OWNER}..."
      git fetch origin pull/${PR}/head:pr-${PR}-by-${PR_OWNER}
      # Merge, accepting the default merge message (to avoid the default text
      # editor prompt).
      git merge pr-${PR}-by-${PR_OWNER} --no-edit
    fi
  done
fi

cd ../..