$ git clone -n https://src.fedoraproject.org/rpms/vdr-screenshot.git /var/lib/mock/f40-build-2044593-48726/root/chroot_tmpdir/scmroot/vdr-screenshot
Cloning into '/var/lib/mock/f40-build-2044593-48726/root/chroot_tmpdir/scmroot/vdr-screenshot'...
$ git fetch origin 24424fb746be2140f38cb6ade9326862d6a3a5bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vdr-screenshot
 * [new ref]         24424fb746be2140f38cb6ade9326862d6a3a5bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 24424fb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild