$ git clone -n https://src.fedoraproject.org/rpms/ncl.git /var/lib/mock/f38-build-side-42-init-devel-1050458-29762/root/chroot_tmpdir/scmroot/ncl
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1050458-29762/root/chroot_tmpdir/scmroot/ncl'...
$ git fetch origin 8590ba1597337ba1c94c343eb6eb1e718ee0a6cd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ncl
 * [new ref]         8590ba1597337ba1c94c343eb6eb1e718ee0a6cd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8590ba1 Drop i686 builds