$ git clone -n https://src.fedoraproject.org/rpms/fmt.git /var/lib/mock/f42-build-869070-176426/root/chroot_tmpdir/scmroot/fmt
Cloning into '/var/lib/mock/f42-build-869070-176426/root/chroot_tmpdir/scmroot/fmt'...
$ git fetch origin dd95e89f76990f7529774b73a5727fc6877c999e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fmt
 * [new ref]         dd95e89f76990f7529774b73a5727fc6877c999e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dd95e89 Update to version 11.1.3