$ git clone -n https://src.fedoraproject.org/rpms/gerbv.git /var/lib/mock/f42-build-3340031-41426/root/chroot_tmpdir/scmroot/gerbv
Cloning into '/var/lib/mock/f42-build-3340031-41426/root/chroot_tmpdir/scmroot/gerbv'...
$ git fetch origin 962a365067b320c3b3264ccf3f5b7b584f2c6b60:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gerbv
 * [new ref]         962a365067b320c3b3264ccf3f5b7b584f2c6b60 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 962a365 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild