$ git clone -n https://src.fedoraproject.org/rpms/warzone2100.git /var/lib/mock/f39-build-1510067-35470/root/chroot_tmpdir/scmroot/warzone2100
Cloning into '/var/lib/mock/f39-build-1510067-35470/root/chroot_tmpdir/scmroot/warzone2100'...
$ git fetch origin 768c93a3650b80ec78d6a3342b46d368497c6350:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/warzone2100
 * [new ref]         768c93a3650b80ec78d6a3342b46d368497c6350 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 768c93a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild