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[civicrm-core.git] / bin / gitify

#!/bin/bash

## Take an existing, tar-based CiviCRM directory and convert it to a git working directory

#### Helpers ####

## usage: do_gitify <repo-url> <existing-dir> [git-checkout-options]
function do_gitify() {
  REPO="$1"
  TGT="$2"
  TMP="${TGT}.tmp"
  shift 2

  if [ -d "$TGT/.git" ]; then
    echo "[[Already checked out git repo ($TGT) -- skip $REPO]]"
    return
  fi
  [ -d $TGT ] || mkdir -p "$TGT"
  [ -d $TMP ] && rm -rf "$TMP"
  echo "[[Checkout $REPO ($TMP)]]"
  echo "[git clone "$@" "$REPO" "$TMP"]"
  git clone "$@" "$REPO" "$TMP"

  echo "[[Swap metadata]]"
  mv "$TMP/.git" "$TGT/.git"

  echo "[[Remove local modifications]]"
  pushd "$TGT" > /dev/null
  git checkout -- .
  popd > /dev/null

  rm -rf "$TMP"
}

## add hook shims to a repo
## usage: do_hookify <canonical-repo-name> <repo-path> <relative-hook-path>
function do_hookify() {
  GIT_CANONICAL_REPO_NAME="$1"
  TGT="$2"
  HOOK_DIR="$3"
  if [ -n "$CIVICRM_GIT_HOOKS" ]; then
    echo "[[Install recommended hooks ($TGT)]]"
    for HOOK in commit-msg post-checkout post-merge pre-commit prepare-commit-msg post-commit pre-rebase post-rewrite ;do
          cat << TMPL > "$TGT/.git/hooks/$HOOK"
#!/bin/bash
if [ -f "\$GIT_DIR/${HOOK_DIR}/${HOOK}" ]; then
  ## Note: GIT_CANONICAL_REPO_NAME was not provided by early hook-stubs
  export GIT_CANONICAL_REPO_NAME="$GIT_CANONICAL_REPO_NAME"
  source "\$GIT_DIR/${HOOK_DIR}/${HOOK}"
fi
TMPL
      chmod +x "$TGT/.git/hooks/$HOOK"
    done
  else
    echo "[[Skip hook installation ($TGT) -- use \"--hooks\" to enable]]"
  fi
}

## usage: do_svnify <repo-url> <existing-dir>
function do_svnify() {
  REPO="$1"
  TGT="$2"
  shift 2

  if [ -d "$TGT/.svn" ]; then
    echo "[[Already checked out SVN repo ($TGT) -- skip $REPO]]"
    return
  fi
  [ -d $TGT ] || mkdir -p "$TGT"
  [ -d $TMP ] && rm -rf "$TMP"
  echo "[[Checkout $REPO ($TMP)]]"

  echo "[svn co \"$REPO\" \"$TGT\"]"
  svn co "$REPO" "$TGT"
}

function check_dep() {
  if [ -z "`which git`" ]; then
    echo "command not found: git"
    exit 3
  fi
  if [ -z `which php` ]; then
    echo "command not found: php"
  fi
}

#### Main ####

set -e

CIVICRM_CMS=""
GIT_BASE_URL=""
CIVICRM_ROOT=""
CIVICRM_L10N=""
CIVICRM_GIT_HOOKS=""
CIVICRM_BRANCH="master"

while [ -n "$1" ]; do
  if [ "$1" == "--l10n" ]; then
    CIVICRM_L10N="$1"
  elif [ "$1" == "--hooks" ]; then
    CIVICRM_GIT_HOOKS="$1"
  elif [ -z "$CIVICRM_CMS" ]; then
    ## First arg
    CIVICRM_CMS="$1"
  elif [ -z "$GIT_BASE_URL" ]; then
    ## Second arg
    GIT_BASE_URL="$1"
  elif [ -z "$CIVICRM_ROOT" ]; then
    ## Third arg
    CIVICRM_ROOT="$1"
  else
    echo "unrecognized argument: $1"
    exit 2
  fi
  shift
done

if [ -z "$CIVICRM_ROOT" -o ! -d "$CIVICRM_ROOT" -o -z "$GIT_BASE_URL" -o -z "$CIVICRM_CMS" ]; then
  echo "Convert a directory into a set of CiviCRM git clones"
  echo "usage: $0 <Drupal|Drupal6|Joomla|WordPress|all> <git-base-url> <existing-civicrm-root> [--l10n] [--hooks]"
  echo "  <cms-name>: one of: Drupal|Drupal6|Joomla|WordPress|all"
  echo "  <git-base-url>: a base URL shared by the desiried git repos (e.g. git://github.com/civicrm)"
  echo "  <existing-civicrm-root>: the main directory containing CiviCRM"
  echo "  --l10n: optionally fetch localization data; currently requires svn"
  echo "  --hooks: optionally install recommended git hooks; the hooks are mostly"
  echo "           tested with git CLI under Linux and OSX; they haven't been"
  echo "           tested with git GUIs or Windows"
  echo ""
  echo "Note: If pointing to a pre-existing directory, your local changes may be replaced by"
  echo "the pristine code from git/svn. If you've made changes, then make sure there's a backup!"
  echo ""
  echo "example: $0 Drupal git://github.com/civicrm /var/www/drupal7/sites/all/modules/civicrm"
  echo "  (checkout core code plus Drupal 7.x integration code using Git's read-only protocol)"
  echo ""
  echo "example: $0 Drupal6 https://github.com/civicrm /var/www/drupal6/sites/all/modules/civicrm"
  echo "  (checkout core code plus Drupal 6.x integration code using read-only HTTP protocol)"
  echo ""
  echo "example: $0 all git@github.com:civicrm ~/src/civicrm l10n"
  echo "  (checkout core code plus Drupal 7.x, Joomla, and WordPress integration code and l10n using SSH)"
  exit 1
fi

check_dep
do_gitify "${GIT_BASE_URL}/civicrm-core.git" "$CIVICRM_ROOT" -b "${CIVICRM_BRANCH}"
do_hookify civicrm-core "$CIVICRM_ROOT" "../tools/scripts/git"
do_gitify "${GIT_BASE_URL}/civicrm-packages.git" "$CIVICRM_ROOT/packages" -b "${CIVICRM_BRANCH}"
do_hookify civicrm-packages "$CIVICRM_ROOT/packages" "../../tools/scripts/git"
case "$CIVICRM_CMS" in
  Drupal)
    do_gitify "${GIT_BASE_URL}/civicrm-drupal.git" "$CIVICRM_ROOT/drupal" -b "7.x-${CIVICRM_BRANCH}"
    do_hookify civicrm-drupal "$CIVICRM_ROOT/drupal" "../../tools/scripts/git"
    ;;
  Drupal6)
    do_gitify "${GIT_BASE_URL}/civicrm-drupal.git" "$CIVICRM_ROOT/drupal" -b "6.x-${CIVICRM_BRANCH}"
    do_hookify civicrm-drupal "$CIVICRM_ROOT/drupal" "../../tools/scripts/git"
    ;;
  Joomla)
    do_gitify "${GIT_BASE_URL}/civicrm-joomla.git" "$CIVICRM_ROOT/joomla" -b "${CIVICRM_BRANCH}"
    do_hookify civicrm-joomla "$CIVICRM_ROOT/joomla" "../../tools/scripts/git"
    ;;
  WordPress)
    do_gitify "${GIT_BASE_URL}/civicrm-wordpress.git" "$CIVICRM_ROOT/WordPress" -b "${CIVICRM_BRANCH}"
    do_hookify civicrm-wordpress "$CIVICRM_ROOT/WordPress" "../../tools/scripts/git"
    ;;
  all)
    do_gitify "${GIT_BASE_URL}/civicrm-drupal.git" "$CIVICRM_ROOT/drupal" -b "7.x-${CIVICRM_BRANCH}"
    do_hookify civicrm-drupal "$CIVICRM_ROOT/drupal" "../../tools/scripts/git"
    do_gitify "${GIT_BASE_URL}/civicrm-joomla.git" "$CIVICRM_ROOT/joomla" -b "${CIVICRM_BRANCH}"
    do_hookify civicrm-joomla "$CIVICRM_ROOT/joomla" "../../tools/scripts/git"
    do_gitify "${GIT_BASE_URL}/civicrm-wordpress.git" "$CIVICRM_ROOT/WordPress" -b "${CIVICRM_BRANCH}"
    do_hookify civicrm-wordpress "$CIVICRM_ROOT/WordPress" "../../tools/scripts/git"
    ;;
  *)
    echo "Unrecognized CMS: $CIVICRM_CMS"
esac

if [ "$CIVICRM_L10N" == "--l10n" ]; then
  do_svnify "http://svn.civicrm.org/l10n/trunk" "$CIVICRM_ROOT/l10n"
fi

pushd "$CIVICRM_ROOT/xml" > /dev/null
if [ -f "GenCode.php" ]; then
  echo "[[Generate files]]"
  php GenCode.php
else
  echo "[[Skip \"Generate files\"]]"
fi
popd > /dev/null