#!/bin/bash

# variables
DBNAME="arcanisrepo"
PREPAREDIR="${HOME}/arch/prepare"
REPODIR="${HOME}/arch/repo"
ROOTDIR="${HOME}/arch/root"
STAGINGDIR="${HOME}/arch/staging/"

# functions
func_remove() {
  DBPATH="$1"
  PKGNAME="$2"
  /usr/bin/repo-remove ${DBNAME}.db.tar.gz ${PKGNAME}
  /usr/bin/repo-remove ${DBNAME}.files.tar.gz ${PKGNAME}
  /usr/bin/rm -f ${PKGNAME}*
}
export -f func_remove
func_build() {
  PREPARE="$1"
  ROOT="$2"
  if grep "arch=('any')" PKGBUILD -q; then
    /usr/bin/sudo /usr/bin/staging-i686-build -r "${ROOT}"
  else
    /usr/bin/sudo /usr/bin/staging-i686-build -r "${ROOT}"
    /usr/bin/sudo /usr/bin/staging-x86_64-build -r "${ROOT}"
  fi
  /usr/bin/cp *.pkg.tar.xz "${PREPARE}"
}
export -f func_build

# error checking
if [ ! -d "${PREPAREDIR}" ]; then
  echo "Prepare directory does not exist"
  exit 1
fi
if [ ! -d "${REPODIR}" ] || [ ! -d "${REPODIR}/i686" ] || [ ! -d "${REPODIR}/x86_64" ]; then
  echo "Repository directory does not exist"
  exit 1
fi
if [ ! -d "${STAGINGDIR}" ]; then
  echo "Staging directory does not exist"
  exit 1
fi

# building
cd "${STAGINGDIR}"
/usr/bin/find -name 'PKGBUILD' -type f -execdir /usr/bin/bash -c "func_build "${PREPAREDIR}" "${ROOTDIR}"" \;

# signing
cd "${PREPAREDIR}"
for PACKAGE in $(/usr/bin/ls *.pkg.tar.xz); do
  /usr/bin/gpg -b ${PACKAGE}
done

# creating packages list
i686_PACKAGES=$(/usr/bin/ls *.pkg.tar.xz | /usr/bin/grep "i686\|any")
x86_64_PACKAGES=$(/usr/bin/ls *.pkg.tar.xz | /usr/bin/grep "x86_64\|any")
echo "i686 packages: ${i686_PACKAGES}"
echo "x86_64 packages: ${x86_64_PACKAGES}"

# updating i686 repo
cd "${REPODIR}/i686"
for PACKAGE in ${i686_PACKAGES}; do
  PKGNAME=$(echo ${PACKAGE} | /usr/bin/awk -F '-' '{for(i=1; i<=NF-3;i++) {printf("%s-", $i);}}' | /usr/bin/sed 's/.$//')
  /usr/bin/find -name '${PKGNAME}*' -type f -exec /usr/bin/bash -c "func_remove "${DBNAME}" "${PKGNAME}"" \;
  /usr/bin/cp "${PREPAREDIR}/${PACKAGE}"{,.sig} .
done
/usr/bin/repo-add --new ${DBNAME}.db.tar.gz *.pkg.tar.xz
/usr/bin/repo-add --new --files ${DBNAME}.files.tar.gz *.pkg.tar.xz

# updating x86_64 repo
cd "${REPODIR}/x86_64"
for PACKAGE in ${x86_64_PACKAGES}; do
  PKGNAME=$(echo ${PACKAGE} | /usr/bin/awk -F '-' '{for(i=1; i<=NF-3;i++) {printf("%s-", $i);}}' | /usr/bin/sed 's/.$//')
  /usr/bin/find -name '${PKGNAME}*' -type f -exec /usr/bin/bash -c "func_remove "${DBNAME}" "${PKGNAME}"" \;
  /usr/bin/cp "${PREPAREDIR}/${PACKAGE}"{,.sig} .
done
/usr/bin/repo-add --new ${DBNAME}.db.tar.gz *.pkg.tar.xz
/usr/bin/repo-add --new --files ${DBNAME}.files.tar.gz *.pkg.tar.xz

# clear
cd "${PREPAREDIR}"
/usr/bin/rm -rf *
cd "${STAGINGDIR}"
/usr/bin/rm -rf *