Sparkle fixes

scripts/serve_local_appcast.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+# Generate a local appcast and serve it over HTTP for Sparkle testing without
+# publishing a new release. Sparkle disallows file:// feeds, so we use
+# http://localhost:${PORT}/appcast-local.xml.
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+PORT="${PORT:-8000}"
+WORKDIR="$(mktemp -d)"
+trap 'rm -rf "$WORKDIR"' EXIT
+
+"$ROOT_DIR/scripts/make_local_appcast.sh" "${1:-$ROOT_DIR/Sparkle/appcast.xml}" "$WORKDIR/appcast-local.xml"
+
+echo "🍏 Serving local appcast on http://127.0.0.1:${PORT}/appcast-local.xml"
+echo "Set SUFeedURL to that URL, then launch iKeyMon and check for updates."
+echo
+echo "To set it:"
+echo "  defaults write net.24unix.iKeyMon SUFeedURL \"http://127.0.0.1:${PORT}/appcast-local.xml\""
+echo "  killall iKeyMon 2>/dev/null; open /Applications/iKeyMon.app"
+echo
+echo "Press Ctrl+C to stop."
+
+cd "$WORKDIR"
+python3 -m http.server "$PORT"