Git patch functions

.bashrc

# For the following patch functions, we assume your liferay-portal,
# liferay-plugins, and bundles folders live in a parent folder named "liferay"

# Git Format Patch

# Usage: fp <# of commits> <Commit Sha>
# Example: `fp 3 34s3446e`
function fp {
  local dirPath=`find ~ -maxdepth 3 -type d -name 'liferay' -print -quit`
  local fileCount=$(ls $dirPath/patches | wc -l)

  if [ "$fileCount" -gt "0" ]; then
    echo -e "\033[02;31mPatch folder already contains the following files:\033[01;00m"
    ls "$dirPath"/patches | while read -r file; do echo -e "\033[03;33mRemoval required: \033[01;00m$file"; done
    echo -e "Clear files before continuing with 'dp'."
    return "0"
  fi

  git format-patch -"$1" "$2" -o "$dirPath"/patches -q || { dp; echo -e "\033[02;33mPatch files were not created. Check arguments and try again... Clearing any old patch files.\033[01;00m"; return; }

  echo -e "Patch files created in $dirPath/patches/"
  ls "$dirPath"/patches | while read -r file; do echo -e "\033[03;32mCreated: \033[01;00m$file"; done
  echo "Navigate to topic branch and run command 'ap' to apply patch."
}

# Git Apply Patch

# Usage: ap
function ap {
  local dirPath=`find ~ -maxdepth 3 -type d -name 'liferay' -print -quit`
  ls "$dirPath"/patches | while read -r file; do echo -e "\033[03;33mPending: \033[01;00m$file"; done

  while true; do
    echo "Would you like to apply these patch files?"
    read yn
    case $yn in
      [Yy]* ) git am -3 /"$dirPath"/patches/*; echo -e "\033[00;33mIf there are merge conflicts, resolve in your text editor and use \033[00;32m'git am --continue', \033[00;31m'git am --abort', \033[00;00mor \033[00;33m'git am --skip'."; break;;
      [Nn]* ) echo "Selected No, Exiting."; break;;
          * ) echo "Please answer yes or no."; break;;
    esac
  done
}

# Git Delete Patches

# Clean out your old patch files before working with new ones.
# Usage: dp

function dp {
  echo "Cleaning patch files."
  local dirPath=`find ~ -maxdepth 3 -type d -name 'liferay' -print -quit`
  ls "$dirPath"/patches | while read -r file; do echo -e "\033[03;31mRemoving \033[00;32m$file\033[00;00m" && rm -f "$dirPath"/patches/"$file"; done
  echo "Patch files removed."
}