#!/bin/sh
# Build a universal (Apple silicon + Intel) package of one workflow from a
# clean checkout of <rev>, so local configuration (prefs.plist) and
# uncommitted work can't ship.
#
#   scripts/package <name> [rev]   -> dist/robust-alfred-<name>.alfredworkflow
set -eu

name=$1
rev=${2:-HEAD}
root=$(cd "$(dirname "$0")/.." && pwd)
bin=robust-alfred-$name
out=$root/dist/$bin.alfredworkflow

work=$(mktemp -d)
trap 'git -C "$root" worktree remove --force "$work/src" 2>/dev/null; trash "$work"' EXIT
git -C "$root" worktree add --quiet --detach "$work/src" "$rev"

# Reuse the repo's build cache; only the sources come from the checkout.
export CARGO_TARGET_DIR="$root/target"
for target in aarch64-apple-darwin x86_64-apple-darwin; do
  cargo build --quiet --release --locked \
    --manifest-path "$work/src/Cargo.toml" -p "$bin" --target "$target"
done

pkg=$work/pkg
cp -R "$work/src/workflows/$name/workflow" "$pkg"
lipo -create -output "$pkg/$bin" \
  "$CARGO_TARGET_DIR/aarch64-apple-darwin/release/$bin" \
  "$CARGO_TARGET_DIR/x86_64-apple-darwin/release/$bin"

if [ -e "$pkg/prefs.plist" ]; then
  echo "error: prefs.plist would be packaged" >&2
  exit 1
fi

# Hotkeys ship unbound: a key combination is the user's to choose, and the
# repo's plist carries whatever the developer bound while it was linked.
plist=$pkg/info.plist
count=$(plutil -extract objects raw "$plist")
i=0
while [ "$i" -lt "$count" ]; do
  if [ "$(plutil -extract "objects.$i.type" raw "$plist")" = alfred.workflow.trigger.hotkey ]; then
    for key in hotkey hotmod hotstring; do
      plutil -remove "objects.$i.config.$key" "$plist" 2>/dev/null || true
    done
  fi
  i=$((i + 1))
done
archs=$(lipo -archs "$pkg/$bin")
case "$archs" in
*arm64*x86_64* | *x86_64*arm64*) ;;
*)
  echo "error: binary has architectures '$archs', expected arm64 and x86_64" >&2
  exit 1
  ;;
esac

mkdir -p "$root/dist"
[ ! -e "$out" ] || trash "$out"
(cd "$pkg" && zip -qrX "$out" .)
echo "$out"