install

#!/bin/bash
#====================================================================
# Run ./install inside a git repositories root directory and follow
# the prompts.
#====================================================================

# enable user input
exec < /dev/tty

# Skip non-git directories
if [ ! -d "${PWD}/.git" ]; then
  echo "Current directory does not contain a .git directory!"
  exit 1;
fi

# FIXME allow setting INSTALL_ALL from outside this script
INSTALL_ALL=0
SCRIPT_DIR=$(dirname "$(stat -f "$0")")
HOOKS=(
  "post-checkout"
  "post-merge"
  "pre-commit"
)

for hook in ${HOOKS[@]}; do
  working_hook_dir="${PWD}/.git/hooks/$hook.d"
  mkdir -p $working_hook_dir
  cp -i "$SCRIPT_DIR/base-hook" "${PWD}/.git/hooks/$hook"

  for filename in $SCRIPT_DIR/$hook.d/*; do
    should_install=0

    # Prompt for isntall if we are not isntall all hooks
    if [ $INSTALL_ALL -eq 0 ]; then
      read -p "Install $filename? (y/n) [y] " response
      if [[ $response =~ ^(yes|y|Y| ) ]] || [[ -z $response ]]; then
        should_install=1
      fi
    fi

    if [ $should_install -eq 1 ] || [ $INSTALL_ALL -eq 1 ]; then
      # Install hook
      cp -f $filename "$working_hook_dir/"
    fi
  done
done