#!/usr/bin/env bash
# Writes a release manifest from built archives, one platform per line.
# Usage: install/manifest.sh <version> <folder of onset-<version>-<platform>.tar.gz or .zip>
set -euo pipefail
VERSION=$1
DIR=$2
BASE=${ONSET_DOWNLOADS:-https://downloads.coline.dev/onset}
printf '{\n  "version": "%s",\n  "platforms": {\n' "$VERSION"
first=1
for f in "$DIR"/onset-"$VERSION"-*.tar.gz "$DIR"/onset-"$VERSION"-*.zip; do
  [ -e "$f" ] || continue
  platform=$(basename "$f")
  platform=${platform%.tar.gz}
  platform=${platform%.zip}
  platform=${platform#onset-"$VERSION"-}
  sha=$(sha256sum "$f" | cut -d' ' -f1)
  [ "$first" = 1 ] || printf ',\n'
  first=0
  printf '    "%s": {"url": "%s/%s/%s", "sha256": "%s"}' "$platform" "$BASE" "$VERSION" "$(basename "$f")" "$sha"
done
printf '\n  }\n}\n'