$ git clone -n https://src.fedoraproject.org/rpms/kf6-ktexteditor.git /var/lib/mock/f42-build-side-1-3573608-46768/root/chroot_tmpdir/scmroot/kf6-ktexteditor
Cloning into '/var/lib/mock/f42-build-side-1-3573608-46768/root/chroot_tmpdir/scmroot/kf6-ktexteditor'...
$ git fetch origin 98080f186b21fe2714abf3af62f08add9a00f06d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-ktexteditor
 * [new ref]         98080f186b21fe2714abf3af62f08add9a00f06d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 98080f1 6.15 and plasma 3.4 compatibility rebuild