#!/bin/sh
# Build the OxygenFlow build image and write it as a root file system
# tarball for `flow rootfs import`. Run from any directory; the Oxygen
# projects are expected next to this repository (../oxygen, ../oxygenhub).
# Rebuild whenever a Cargo.lock or package-lock.json of those projects changes.
set -eu
here=$(cd "$(dirname "$0")" && pwd)
dev=$(cd "$here/../../.." && pwd)
out=${1:-$here/oxygenflow-build.tar}
NODE_VERSION=24.21.0
NODE_SHA256=fd8e59d5a511510f6a298afb548f18c7d2b1be404d8b4a27d94fbe49f56cb2d6
ZIG_VERSION=0.16.0
ZIG_SHA256=70e49664a74374b48b51e6f3fdfbf437f6395d42509050588bd49abe52ba3d00

rm -rf "$here/vendor"
cargo vendor --locked --versioned-dirs \
    --manifest-path "$dev/oxygen/Cargo.toml" \
    --sync "$dev/oxygenhub/Cargo.toml" \
    --sync "$dev/oxygenflow/Cargo.toml" \
    "$here/vendor" >/dev/null
# npm packages of the two extensions, into a cache `npm ci --offline` reads.
rm -rf "${here:?}/npm-cache"
for e in oxygen-vscode oxygenhub-vscode; do
    tmp=$(mktemp -d)
    cp "$dev/$e/package.json" "$dev/$e/package-lock.json" "$tmp/"
    (cd "$tmp" && npm ci --cache "$here/npm-cache" --ignore-scripts --no-audit --no-fund >/dev/null)
    rm -rf "${tmp:?}"
done
rm -rf "${here:?}/npm-cache/_logs"
# Dependency recipes of the workspaces whose dependencies the image
# prebuilds (see the Dockerfile).
rm -rf "${here:?}/warm"
for ws in oxygenhub oxygen oxygenflow; do
    python3 "$here/recipe.py" "$dev/$ws" "$here/warm/$ws"
done
# Readable by any user: a job runs as its workspace's owner on the runner
# host, which differs between runners (oxygen#59: 0640 files from Earth's
# umask failed plex's dist job).
chmod -R a+rX "$here/vendor" "$here/npm-cache" "$here/warm"
docker build -q -t oxygenflow-build \
    --build-arg NODE_VERSION=$NODE_VERSION --build-arg NODE_SHA256=$NODE_SHA256 \
    --build-arg ZIG_VERSION=$ZIG_VERSION --build-arg ZIG_SHA256=$ZIG_SHA256 "$here"
id=$(docker create oxygenflow-build)
docker export "$id" -o "$out"
docker rm "$id" >/dev/null
rm -rf "${here:?}/vendor" "${here:?}/npm-cache" "${here:?}/warm"
echo "$out"