#!/bin/sh

set -eu

if ! git --version >/dev/null; then
  echo "git not installed"
  exit 1
fi

if ! python3 --version >/dev/null; then
  echo "python3 not installed"
  exit 1
fi

# Make sure that "git pull" et al. also update
# submodules to avoid accidental rollbacks.
if [ -d .git ]; then
  git config --local submodule.recurse true

  echo "$0: Updating submodules"
  # Caution: We do NOT want to fetch the latest version with --remote,
  # but instead always the one that's recorded in the repository.
  echo | git submodule update --init --force
fi

# This is more portable than `which' but comes with
# the caveat of not(?) properly working on busybox's ash:
existence()
{
    command -v "$1" >/dev/null 2>&1
}

# Freeze SQL files that must no longer be edited.
for n in 0001 0002 0003 0004 0005 0006 0007 0008 0009 0010 0011 0012 0013 0014 0015 0016 0017 0018 0019 0020 0021 0022 0023 0024 0025 0026 0027 0028 0029 0030 0031 0032 0033 0034
do
    chmod -w src/backenddb/sql-schema/merchant-$n.sql*
done

if existence uncrustify; then
    echo "Installing uncrustify hook and configuration"
    # Install uncrustify format symlink (if possible)
    ln -s contrib/uncrustify.cfg uncrustify.cfg 2> /dev/null || true
    # Install pre-commit hook (if possible)
    ln -s ../../contrib/uncrustify_precommit .git/hooks/pre-commit 2> /dev/null || true
else
    echo "Uncrustify not detected, hook not installed. Please install uncrustify if you plan on doing development"
fi
