$ git clone -n https://src.fedoraproject.org/rpms/kf5-ktexteditor.git /var/lib/mock/f40-build-786933-134632/root/chroot_tmpdir/scmroot/kf5-ktexteditor
Cloning into '/var/lib/mock/f40-build-786933-134632/root/chroot_tmpdir/scmroot/kf5-ktexteditor'...
$ git fetch origin 754c2069e30eba805c2dd7c1603281d536c635f0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-ktexteditor
 * [new ref]         754c2069e30eba805c2dd7c1603281d536c635f0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 754c206 5.115.0