$ git clone -n https://src.fedoraproject.org/rpms/gstreamer1-rtsp-server.git /var/lib/mock/f39-build-1524237-36028/root/chroot_tmpdir/scmroot/gstreamer1-rtsp-server
Cloning into '/var/lib/mock/f39-build-1524237-36028/root/chroot_tmpdir/scmroot/gstreamer1-rtsp-server'...
$ git fetch origin 93f6c03ffbe9d7bf5209f05911be90e7497ee47f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gstreamer1-rtsp-server
 * [new ref]         93f6c03ffbe9d7bf5209f05911be90e7497ee47f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 93f6c03 Update to 1.22.5