$ git clone -n https://src.fedoraproject.org/rpms/dtkcommon.git /var/lib/mock/f40-build-2276988-55199/root/chroot_tmpdir/scmroot/dtkcommon
Cloning into '/var/lib/mock/f40-build-2276988-55199/root/chroot_tmpdir/scmroot/dtkcommon'...
$ git fetch origin c4cfb5b8333de8dfded2845893dd44f244dfa1ae:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dtkcommon
 * [new ref]         c4cfb5b8333de8dfded2845893dd44f244dfa1ae -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c4cfb5b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild