added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/unzip-git.sh

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "$0")"
+
+if [ ! -f GITFOLDER.zip ]; then
+  echo "GITFOLDER.zip not found, nothing to do." >&2
+  exit 1
+fi
+
+if [ -d .git ]; then
+  echo ".git folder already exists, refusing to overwrite." >&2
+  exit 1
+fi
+
+unzip -q GITFOLDER.zip
+
+echo "Unzipped GITFOLDER.zip into .git folder."