pre-commit

#!/usr/bin/env zsh

# Reject if APP_KEY is set

# _error <arg>.. | Write red "error" and args to STDERR
_error() {
  echo $(print -P '%F{red}error%f') "$@" >&2
}

# _fail <arg>.. | Write red "error" and args to STDERR, then exit with status 1
_fail() {
  _error "$@"
  exit 1
}

# _staged <path> | Is path staged
_staged() {
  local p="$1"
  git diff --name-only --cached | grep --silent "$p"
  return $?
}

exec 1>&2 # Redirect output to stderr.

_staged info.plist || exit 0

root="$( git rev-parse --show-toplevel )"
ip="${root}/src/info.plist"

# _getvar <name> | Retrieve value for variable <name>
_getvar() {
  local n=$1
  /usr/libexec/PlistBuddy -c "Print :variables:$n" "$ip"
}

# Fail if info.plist can't be found
test -f "$ip" || { _fail "$ip not found"; }

api_key="$( _getvar APP_KEY )"

test -n "$api_key" && _fail "[info.plist] APP_KEY is not empty"

exit 0