$ git clone -n https://src.fedoraproject.org/rpms/kf5-kbookmarks.git /var/lib/mock/f38-build-717731-96588/root/chroot_tmpdir/scmroot/kf5-kbookmarks
Cloning into '/var/lib/mock/f38-build-717731-96588/root/chroot_tmpdir/scmroot/kf5-kbookmarks'...
$ git fetch origin 98a686cc01db3b89928ab41f2c5ab235bb2588b8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-kbookmarks
 * [new ref]         98a686cc01db3b89928ab41f2c5ab235bb2588b8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98a686c 5.106.0