$ git clone -n https://src.fedoraproject.org/rpms/kf5-ktexteditor.git /var/lib/mock/f40-build-743638-111339/root/chroot_tmpdir/scmroot/kf5-ktexteditor
Cloning into '/var/lib/mock/f40-build-743638-111339/root/chroot_tmpdir/scmroot/kf5-ktexteditor'...
$ git fetch origin 7145331a7cd5302a49fff260a3bb9222250ef70b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-ktexteditor
 * [new ref]         7145331a7cd5302a49fff260a3bb9222250ef70b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7145331 kf6 compatibility support