#!/usr/bin/env bash

# Change to the AUR repo
if [ -n "$1" ]; then
	cd "$1"
fi

if [ ! -d ".git" ]; then
	echo "Not a git repository!"
	exit 1
fi

BUILD_FILE="PKGBUILD"
if [ ! -e "$BUILD_FILE" ]; then
	echo "Not an AUR repository!"
	exit 2
fi
source "$BUILD_FILE"

# Replace with latest commit to master branch
LATEST_COMMIT=$(git ls-remote "$url" master | cut -f 1)
if [ "$commit" = "$LATEST_COMMIT" ]; then
	echo "Already on latest commit!"
	exit 3
fi
sed -i "s%commit\=.*%commit\=('$LATEST_COMMIT')%" "$BUILD_FILE"

# Increment pkgrel on every "release"
sed -i "s%pkgrel\=.*%pkgrel\=$((pkgrel+1))%" "$BUILD_FILE"

# Update package checksum
PKG_SHA=$(curl -L -s "$url/archive/$LATEST_COMMIT.tar.gz" | sha256sum | cut -d " " -f 1)
sed -i "s%sha256sums\=.*%sha256sums\=('$PKG_SHA')%" "$BUILD_FILE"

makepkg --printsrcinfo > .SRCINFO