#!/usr/bin/env bash
# Uploads assets to a Gitea release, replacing any existing asset with the same
# filename so re-running a CI job never fails on duplicate attachments.
#
#   API=https://git.example.com/api/v1/repos/owner/repo TOKEN=... \
#     scripts/release-upload.sh v1.2.3 file1 file2
set -euo pipefail

: "${API:?set API (Gitea repository API URL)}"
: "${TOKEN:?set TOKEN}"
tag=${1:?usage: release-upload.sh <tag> <file>...}
shift

auth=(-H "Authorization: token $TOKEN")
id=$(curl -fsS "${auth[@]}" "$API/releases/tags/$tag" | jq -r .id)

for file in "$@"; do
  name=$(basename "$file")
  encoded=$(jq -rn --arg n "$name" '$n|@uri')
  for old in $(curl -fsS "${auth[@]}" "$API/releases/$id/assets" | jq -r --arg n "$name" '.[] | select(.name == $n) | .id'); do
    curl -fsS -X DELETE "${auth[@]}" "$API/releases/$id/assets/$old"
  done
  curl -fsS -X POST "${auth[@]}" -F "attachment=@$file" "$API/releases/$id/assets?name=$encoded" >/dev/null
  echo "uploaded: $name"
done