celestia-build.sh

#/bin/bash

# Load bash completion and return immediately if we are being sourced
if [[ ${BASH_SOURCE[0]} != $0 ]]; then
  _celestia-build() {
    local cur=${COMP_WORDS[COMP_CWORD]}

    case $COMP_CWORD in
    1)
      COMPREPLY=($(compgen -W '
        core{,-testing,-staging}
        extra{,-testing,-staging}
        multilib{,-testing,-staging}
        getkeys
        updpkgsums' \
        -- "$cur"))
      ;;
    2)
      COMPREPLY=($(compgen -W '
        core{,-testing,-staging}-x86_64-build
        extra{,-testing,-staging}-x86_64-build
        multilib{,-testing,-staging}-build
        ' -X "${COMP_WORDS[COMP_CWORD - 1]}" \
        -- "$cur"))
      ;;
    esac
  }
  complete -F _celestia-build celestia-build
  return
fi

if [[ ! -f PKGBUILD ]]; then
  echo 'Missing PKGBUILD.'
  exit 1
fi

stagingdir=$1
buildcmd=$2

build_host=build.archlinux.org

pkgbase=$(
  . PKGBUILD
  echo ${pkgbase:-$pkgname}
)
workdir=$pkgbase-$RANDOM

# Cleanup on exit
trap "ssh $build_host rm -rf $workdir" EXIT

if [[ -z $buildcmd ]]; then
  # Choose build command based on target repo
  case $stagingdir in
  core* | extra*)
    buildcmd="$stagingdir-x86_64-build"
    ;;
  multilib*)
    buildcmd="$stagingdir-build"
    ;;
  getkeys | updpkgsums)
    buildcmd='false'
    ;;
  *)
    echo 'Unknown repo; exiting.'
    exit 2
    ;;
  esac
fi

# Upload sources
ssh $build_host mkdir $workdir
rsync -avz --exclude=.git --exclude=/src --exclude=/*.pkg.tar.zst . $build_host:$workdir/

# Update checksums if requested and exit
if [[ $1 == updpkgsums ]]; then
  ssh -t $build_host "cd $workdir && updpkgsums" &&
    scp $build_host:$workdir/PKGBUILD .
  exit
fi

# Export PGP keys if requested and exit
if [[ $1 == getkeys ]]; then
  ssh $build_host "cd $workdir && export-pkgbuild-keys" &&
    scp -r $build_host:$workdir/keys .
  exit
fi

# Build
if [[ -t 2 ]]; then
  ssh -t $build_host "cd $workdir && $buildcmd" || exit 1
else
  ssh $build_host "cd $workdir && $buildcmd" || exit 1
fi

# Download packages
scp $build_host:$workdir/*.pkg.tar.zst . || exit 1
if grep -q validpgpkeys PKGBUILD; then
  scp -r $build_host:$workdir/keys . || exit 1
fi

# Copy packages to gemini
if [[ -n $stagingdir ]]; then
  ssh repos.archlinux.org -t scp $build_host:$workdir/*.pkg.tar.zst staging/$stagingdir/
fi