$ git clone -n https://src.fedoraproject.org/rpms/qdbm.git /var/lib/mock/f42-build-865328-173025/root/chroot_tmpdir/scmroot/qdbm
Cloning into '/var/lib/mock/f42-build-865328-173025/root/chroot_tmpdir/scmroot/qdbm'...
$ git fetch origin 5cd30807d46bc82ea6177579e865efc3a6b675f6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/qdbm
 * [new ref]         5cd30807d46bc82ea6177579e865efc3a6b675f6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cd3080 Rebuild for https://fedoraproject.org/wiki/Changes/Ruby_3.4