Script to get a diff of a Drupal dev project from git and write the diff to the projects folder: `bash check_hacked.sh $PROJECTNAME`.

drupal_hackedgit.md

Check hacked status from git

This small script provides some code to check a project of your installation (located in .../www) against the associated git commit on drupal.org.

Notice: currently the root path and temp directory are hardcoded.

Examples

Check status of views module.

bash drupal_hackedgit.sh views

drupal_hackedgit.sh

## CONSTANTS ########################
DRUPALROOT="../www";
GIT_TEMP_BASE_DIRECTORY="/tmp/hacked"
#####################################

# Stop on first error
set -e;

## FUNCTIONS ########################

# Get absolute path for given argument.
function dhAbsolutePath () {
  # Stop on first error
  set -e;

  # The first argument passed is the path to get the absolute path from.
  SEARCHDIR=${1};

  # Remember the path we come from.
  CURDIR=$(pwd);

  cd "$SEARCHDIR";
  RETURNVAL=$(pwd);

  # Go back to path we came from.
  cd "$CURDIR";

  echo "$RETURNVAL";
}

# Provide absolute paths for drupal root and git temp directory.
DRUPALROOT=$(dhAbsolutePath $DRUPALROOT);
GIT_TEMP_BASE_DIRECTORY=$(dhAbsolutePath $GIT_TEMP_BASE_DIRECTORY);

# The main functionality wrapped, so we can process multiple projects.
function hackedgitWrapper () {

  # @todo check is a machine name
  PROJECT=${1}
  echo "Project: $PROJECT";

  # Get the path for the project to compare.
  PROJECTPATH="$DRUPALROOT/"$(drush --root="$DRUPALROOT" pm-info "$PROJECT" --fields=path --format=list)
  PROJECTPATH=$(dhAbsolutePath $PROJECTPATH);
  echo "Path: $PROJECTPATH";

  # We build the branch from the version info.
  VERSION=$(drush --root="$DRUPALROOT" pm-info "$PROJECT" --fields=version --format=list)
  # We suppose versions do not get bigger than "9" for the moment, so we simply
  # can take the first 5 characters for the branch name (plus ".x").
  BRANCH=${VERSION:0:5}".x"
  echo "Branch: $BRANCH";

  # Get the project time via php, as long as pm-info does not support datestamp.
  # PROJECTTIME=1324599481
  PROJECTTIME=$(drush --root="$DRUPALROOT" php-eval "print system_rebuild_module_data()['$PROJECT']->info['datestamp'];");
  echo "Project time: $PROJECTTIME";

  # Build and create the path to clone to.
  PROJECTTEMP="$PROJECT""_"$(date +%s)
  GIT_PROJECT_DIR="$GIT_TEMP_BASE_DIRECTORY/$PROJECTTEMP";

  mkdir -p "$GIT_PROJECT_DIR";
  echo "Git destination: $GIT_PROJECT_DIR";

  # Check out the project from git.
  git clone --branch "$BRANCH" "http://git.drupal.org/project/$PROJECT.git" "$GIT_PROJECT_DIR"
  cd "$GIT_PROJECT_DIR"

  # Get the latest commit from
  LASTHASH=$(git rev-list -n 1 --before="$PROJECTTIME" $BRANCH)

  echo "LAST HASH: $LASTHASH";

  # Get code for the given hash.
  echo "Checking out $LASTHASH";
  git checkout --detach "$LASTHASH" --quiet

  # Perform diff to file marked with hash value of the remote commit.
  DIFFPATH="$PROJECTPATH/hacked-$LASTHASH.diff";

  # Diff exits the whole script for some unknown reason, so we have to switch off
  # stopping on error.
  set +e;
  # Remove possibly former created file.
  rm $DIFFPATH;
  # Write the output of the diff to the specific file.
  # We ignore .git and the LICENSE.txt/LICENSE.TXT, as this is only a difference due to the
  # packaging.
  # We also ignore whitespace changes, so we do not clutter up the diff with
  # irrelevant changes.
  # @todo: add option to not ignore whitespace changes.
  # @todo: ignore info part provided by packaging system
  diff -r -w --exclude=".git" --exclude="LICENSE.txt" --exclude="LICENSE.TXT" "$GIT_PROJECT_DIR" "$PROJECTPATH" -u > $DIFFPATH;
  set -e;

  echo "Created diff at '$DIFFPATH':";
  echo "========================================================================";
  cat $DIFFPATH;
  echo "========================================================================";
}

# Run each passed project.
for i in "$@"; do
  hackedgitWrapper $i;
done