$ git clone -n https://src.fedoraproject.org/flatpaks/ktouch /var/tmp/koji/tasks/6556/131796556/ktouch
Cloning into '/var/tmp/koji/tasks/6556/131796556/ktouch'...
$ git fetch origin a12fe2ca1cb1bdaa7733ac8c2a18f3e9e1a7f20b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/flatpaks/ktouch
 * [new ref]         a12fe2ca1cb1bdaa7733ac8c2a18f3e9e1a7f20b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a12fe2c F42