#!/usr/bin/env bash
# Builds the client for every target from this checkout and puts the
# builds on a host, for its knotless-serve to hand out at /install.sh.
#
#   deploy/release.sh <ssh destination>
#   KNOTLESS_HOST=root@host deploy/release.sh
#
# or with it in deploy/local.env (see local.env.example). The version is
# the workspace's, in Cargo.toml, and becomes the latest.
#
# Built here, on a Mac: both macOS targets natively and Linux, static,
# with cargo-zigbuild (`brew install zig`, `cargo install cargo-zigbuild`).
# Optional: KNOTLESS_DATA (/var/lib/knotless), the server's state on the
# host, whose releases/ the builds go in.

set -euo pipefail
cd "$(dirname "$0")/.."
[ -f deploy/local.env ] && { set -a; . deploy/local.env; set +a; }

DEST="${1:-${KNOTLESS_HOST:-}}"
[ -n "$DEST" ] || { sed -n '4,5p' "$0" >&2; exit 2; }
DATA="${KNOTLESS_DATA:-/var/lib/knotless}"
CARGO="rustup run stable cargo"
# rustup's rustc, which has the other targets, rather than whichever is
# first on the PATH (Homebrew's has only this machine's).
RUSTC="$(rustup which --toolchain stable rustc)"
export RUSTC
VERSION="$(sed -n 's/^version = "\(.*\)"/\1/p' Cargo.toml | head -1)"
OUT="target/release-$VERSION"
SSH="ssh -o StrictHostKeyChecking=accept-new $DEST"

CARGO="$CARGO" deploy/build-client.sh "$OUT"
(cd "$OUT" && for f in *.tar.gz; do shasum -a 256 "$f" > "$f.sha256"; done)

echo "→ putting $VERSION on $DEST"
$SSH "mkdir -p '$DATA/releases/$VERSION'"
scp -q -o StrictHostKeyChecking=accept-new "$OUT"/*.tar.gz "$OUT"/*.sha256 "$DEST:$DATA/releases/$VERSION/"
# Latest last, and moved into place, so no install sees a version half there.
$SSH "
  set -e
  echo '$VERSION' > '$DATA/releases/.latest'
  mv '$DATA/releases/.latest' '$DATA/releases/latest'
  chown -R 1000:1000 '$DATA/releases'
"
echo "→ done: $VERSION is the latest"