$ git clone -n https://src.fedoraproject.org/rpms/zcfan.git /var/lib/mock/f40-build-771203-125929/root/chroot_tmpdir/scmroot/zcfan
Cloning into '/var/lib/mock/f40-build-771203-125929/root/chroot_tmpdir/scmroot/zcfan'...
$ git fetch origin 2003a5cb15c79d1151b32bb273f1e98cf7e0dc40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/zcfan
 * [new ref]         2003a5cb15c79d1151b32bb273f1e98cf7e0dc40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2003a5c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild