$ git clone -n https://src.fedoraproject.org/rpms/kf6-kjobwidgets.git /var/lib/mock/f41-build-860864-169221/root/chroot_tmpdir/scmroot/kf6-kjobwidgets
Cloning into '/var/lib/mock/f41-build-860864-169221/root/chroot_tmpdir/scmroot/kf6-kjobwidgets'...
$ git fetch origin e986e9d1aac0ea383a0f39bf5278d37392ebdca1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kjobwidgets
 * [new ref]         e986e9d1aac0ea383a0f39bf5278d37392ebdca1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e986e9d Merge branch 'rawhide' into f40