$ git clone -n https://src.fedoraproject.org/rpms/Charliecloud.git /var/lib/mock/f41-build-side-1-3103843-39363/root/chroot_tmpdir/scmroot/Charliecloud
Cloning into '/var/lib/mock/f41-build-side-1-3103843-39363/root/chroot_tmpdir/scmroot/Charliecloud'...
$ git fetch origin 875a4a1a81736aa8e30dc0fa3ffc33d62b059940:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Charliecloud
 * [new ref]         875a4a1a81736aa8e30dc0fa3ffc33d62b059940 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 875a4a1 Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild