#!/bin/bash

cd "$(dirname "$(readlink -e "$0")")"

exec 9> build-all-with-docker.lock
if ! flock -n 9; then
  >&2 echo 'another build-all-with-docker still holds the lock'
  exit 1
fi

if [ "x$1" = 'x--pull' ]; then
  shift
  if ! git pull --ff-only; then
    if ! git pull --rebase \
    && git push; then
      >&2 echo 'cannot push/pull'
      exit 1
    fi
  fi
fi

if [ -n "$(git status --porcelain)" ]; then
  >&2 echo 'git is not clean'
  exit 1
fi

ids=$(
  for pkg in */PKGBUILD; do
    cd "${pkg%/PKGBUILD}"
    ../addPkgbuildPatch add
    docker run -d -v .:/build arch-build:latest
    docker run -d -v .:/build artix-build:latest
    cd ..
  done \
  | tee /dev/stderr
)

check_and_commit_package_updates() {
  [ -z "$(git status --porcelain)" ] && return
  for pkg in $(
    git status --porcelain \
    | sed '
      s@/[^/]\+$@@
    ' \
    | grep -vxFf <(
      docker ps --format '{{.Mounts}}' --no-trunc \
      | sed 's@^.*/@@'
    )
  ); do
    cd "$pkg"
    ../addPkgbuildPatch del
    [ -n "$(git status --porcelain -- .)" ] \
    && ../commit-package -a \
    && git push
    cd ..
  done
}

while docker ps --no-trunc | grep -wF "${ids}"; do
  sleep 10
  check_and_commit_package_updates
  date
done

check_and_commit_package_updates