$ git clone -n https://src.fedoraproject.org/rpms/kf6-kbookmarks.git /var/lib/mock/f40-build-2218227-52595/root/chroot_tmpdir/scmroot/kf6-kbookmarks
Cloning into '/var/lib/mock/f40-build-2218227-52595/root/chroot_tmpdir/scmroot/kf6-kbookmarks'...
$ git fetch origin db4f4d2af92717566f7d725de06d8d4ebd95cd98:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kbookmarks
 * [new ref]         db4f4d2af92717566f7d725de06d8d4ebd95cd98 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db4f4d2 add doc package with QCH API Docs