$ git clone -n https://src.fedoraproject.org/rpms/virt-viewer.git /var/lib/mock/f40-build-2044818-48746/root/chroot_tmpdir/scmroot/virt-viewer
Cloning into '/var/lib/mock/f40-build-2044818-48746/root/chroot_tmpdir/scmroot/virt-viewer'...
$ git fetch origin 477761744846305911fd27650219906f7713fac3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/virt-viewer
 * [new ref]         477761744846305911fd27650219906f7713fac3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4777617 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild