$ git clone -n https://src.fedoraproject.org/rpms/rust-below-view.git /var/lib/mock/f39-build-1787813-41724/root/chroot_tmpdir/scmroot/rust-below-view
Cloning into '/var/lib/mock/f39-build-1787813-41724/root/chroot_tmpdir/scmroot/rust-below-view'...
$ git fetch origin 55eb90e815f36714797edf4796045e3bbbfe02a7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-below-view
 * [new ref]         55eb90e815f36714797edf4796045e3bbbfe02a7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 55eb90e Update to 0.7.1