$ git clone -n https://src.fedoraproject.org/rpms/rubygem-lumberjack.git /var/lib/mock/f40-build-2322941-58687/root/chroot_tmpdir/scmroot/rubygem-lumberjack
Cloning into '/var/lib/mock/f40-build-2322941-58687/root/chroot_tmpdir/scmroot/rubygem-lumberjack'...
$ git fetch origin ee385503c03ebe8a208bd323b1f452a916b04dbe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-lumberjack
 * [new ref]         ee385503c03ebe8a208bd323b1f452a916b04dbe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ee38550 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild