$ git clone -n https://src.fedoraproject.org/rpms/kf6-ktexteditor.git /var/lib/mock/f42-build-side-1-3586531-46923/root/chroot_tmpdir/scmroot/kf6-ktexteditor
Cloning into '/var/lib/mock/f42-build-side-1-3586531-46923/root/chroot_tmpdir/scmroot/kf6-ktexteditor'...
$ git fetch origin fb5176914673d65f675c193948a7b15a0c0880bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ktexteditor
 * [new ref]         fb5176914673d65f675c193948a7b15a0c0880bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fb51769 6.16.0