$ git clone -n https://src.fedoraproject.org/rpms/plasma-thunderbolt.git /var/lib/mock/f38-build-side-42-init-devel-637839-26384/root/chroot_tmpdir/scmroot/plasma-thunderbolt
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-637839-26384/root/chroot_tmpdir/scmroot/plasma-thunderbolt'...
$ git fetch origin 29a07f3f69bbd9fddcb65962534a18324b176b59:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plasma-thunderbolt
 * [new ref]         29a07f3f69bbd9fddcb65962534a18324b176b59 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 29a07f3 5.27.4