$ git clone -n https://src.fedoraproject.org/rpms/imvirt.git /var/lib/mock/f39-build-2548172-61915/root/chroot_tmpdir/scmroot/imvirt
Cloning into '/var/lib/mock/f39-build-2548172-61915/root/chroot_tmpdir/scmroot/imvirt'...
$ git fetch origin 4d662973b9e52cff06edb9ce588bbddd62fd2774:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/imvirt
 * [new ref]         4d662973b9e52cff06edb9ce588bbddd62fd2774 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4d66297 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild