$ git clone -n https://src.fedoraproject.org/rpms/Charliecloud.git /var/lib/mock/f40-build-2668005-67179/root/chroot_tmpdir/scmroot/Charliecloud
Cloning into '/var/lib/mock/f40-build-2668005-67179/root/chroot_tmpdir/scmroot/Charliecloud'...
$ git fetch origin 4ea4a231763aaa5b77b6517d964c1a9a67c9dcbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/Charliecloud
 * [new ref]         4ea4a231763aaa5b77b6517d964c1a9a67c9dcbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ea4a23 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild