feat: resolve gitea token sources

entrypoint.sh

@@ -1,11 +1,51 @@
 #!/bin/bash
+set -euo pipefail
 
-echo "Gitea Server Url: $GITEA_SERVER_URL"
+log() {
+  printf '%s\n' "$*" >&2
+}
 
-echo "Gitea Repository: $GITEA_REPOSITORY"
+fail() {
+  log "ERROR: $*"
+  exit 1
+}
 
-echo "Gitea Runner Token: $RUNNER_TOKEN"
+resolve_token() {
+  local source_name env_value
+  local sources=(
+    "inputs.RUNNER_TOKEN:INPUT_RUNNER_TOKEN"
+    "secrets.GITEA_TOKEN:GITEA_TOKEN"
+    "secrets.RUNNER_TOKEN:RUNNER_TOKEN_SECRET"
+  )
 
-echo "Input Text: $INPUT_TEXT"
+  for source in "${sources[@]}"; do
+    source_name="${source%%:*}"
+    env_value="${source#*:}"
+    log "Trying token from ${source_name}"
+    if [[ -n "${!env_value:-}" ]]; then
+      log "Using token from ${source_name}"
+      printf '%s' "${!env_value}"
+      return 0
+    fi
+    log "Token not found in ${source_name}, trying next source"
+  done
 
-echo "text=$INPUT_TEXT" >> "$GITHUB_OUTPUT"
+  return 1
+}
+
+main() {
+  local token
+
+  log "Gitea Server Url: ${GITEA_SERVER_URL:-}"
+  log "Gitea Repository: ${GITEA_REPOSITORY:-}"
+
+  if ! token="$(resolve_token)"; then
+    fail "No Gitea token available, exiting"
+  fi
+
+  export RESOLVED_GITEA_TOKEN="$token"
+  log "Token source resolved successfully"
+  log "Stage 1 complete"
+}
+
+main "$@"