$ git clone -n https://src.fedoraproject.org/rpms/kf6-ktexteditor.git /var/lib/mock/f42-build-863434-171701/root/chroot_tmpdir/scmroot/kf6-ktexteditor
Cloning into '/var/lib/mock/f42-build-863434-171701/root/chroot_tmpdir/scmroot/kf6-ktexteditor'...
$ git fetch origin 624e84254f4a4441c5b30dbf21670d5eefaed32e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ktexteditor
 * [new ref]         624e84254f4a4441c5b30dbf21670d5eefaed32e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 624e842 Frameworks 6.9