$ git clone -n https://src.fedoraproject.org/rpms/gdbm.git /var/lib/mock/f40-build-2279146-55316/root/chroot_tmpdir/scmroot/gdbm
Cloning into '/var/lib/mock/f40-build-2279146-55316/root/chroot_tmpdir/scmroot/gdbm'...
$ git fetch origin 8dfe30a836f3205f9af888ffac5da422bd6cf39a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gdbm
 * [new ref]         8dfe30a836f3205f9af888ffac5da422bd6cf39a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8dfe30a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild