Attach the kiosk deb to the Gitea release

.gitea/scripts/release-assets.sh

@@ -0,0 +1,95 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+TOKEN="${GITEA_TOKEN:-}"
+SERVER="${GITEA_SERVER_URL:-${GITHUB_SERVER_URL:-}}"
+REPOSITORY="${GITEA_REPOSITORY:-${GITHUB_REPOSITORY:-}}"
+
+log() { printf '\033[1;34m==>\033[0m %s\n' "$*" >&2; }
+fail() { printf '\033[1;31m==>\033[0m %s\n' "$*" >&2; exit 1; }
+
+usage() {
+  cat <<'USAGE'
+PiStation Gitea release assets
+
+  ./.gitea/scripts/release-assets.sh <tag> <file> [file...]
+
+Finds or creates the Gitea release for <tag>, then attaches each file to it.
+An asset already carrying the same name is replaced, so re-running a release
+does not leave duplicates behind.
+
+Environment
+  GITEA_TOKEN        API token allowed to write releases, required
+  GITEA_SERVER_URL   Gitea base URL, defaults to GITHUB_SERVER_URL
+  GITEA_REPOSITORY   owner/name, defaults to GITHUB_REPOSITORY
+USAGE
+}
+
+if [[ $# -lt 2 ]]; then
+  usage
+  exit 1
+fi
+
+TAG="$1"
+shift
+
+[[ -n "$TOKEN" ]] || fail "GITEA_TOKEN is not set"
+[[ -n "$SERVER" ]] || fail "GITEA_SERVER_URL is not set"
+[[ -n "$REPOSITORY" ]] || fail "GITEA_REPOSITORY is not set"
+
+API="${SERVER%/}/api/v1/repos/${REPOSITORY}"
+
+request() {
+  local method="$1" path="$2"
+  shift 2
+  curl -fsS -X "$method" \
+    -H "Authorization: token ${TOKEN}" \
+    -H "Accept: application/json" \
+    "$@" \
+    "${API}${path}"
+}
+
+first_id() {
+  grep -o '"id":[0-9]*' | head -n 1 | cut -d: -f2
+}
+
+find_or_create_release() {
+  local found
+  if found="$(request GET "/releases/tags/${TAG}" 2>/dev/null)"; then
+    printf '%s' "$found" | first_id
+    return 0
+  fi
+
+  log "creating release ${TAG}"
+  request POST "/releases" \
+    -H "Content-Type: application/json" \
+    -d "{\"tag_name\":\"${TAG}\",\"name\":\"${TAG}\"}" | first_id
+}
+
+asset_named() {
+  local release="$1" name="$2" listing
+  listing="$(request GET "/releases/${release}/assets")"
+  printf '%s' "$listing" | tr '}' '\n' | grep -F "\"name\":\"${name}\"" | first_id || true
+}
+
+RELEASE="$(find_or_create_release)"
+[[ -n "$RELEASE" ]] || fail "could not resolve a release for ${TAG}"
+
+for file in "$@"; do
+  [[ -f "$file" ]] || fail "no such file: $file"
+
+  name="$(basename "$file")"
+  existing="$(asset_named "$RELEASE" "$name")"
+
+  if [[ -n "$existing" ]]; then
+    log "replacing $name"
+    request DELETE "/releases/${RELEASE}/assets/${existing}" >/dev/null
+  else
+    log "uploading $name"
+  fi
+
+  request POST "/releases/${RELEASE}/assets?name=${name}" \
+    -F "attachment=@${file}" >/dev/null
+done
+
+log "attached $# file(s) to ${TAG}"