$ git clone -n https://src.fedoraproject.org/rpms/rust-snphost.git /var/lib/mock/f39-build-1572527-37788/root/chroot_tmpdir/scmroot/rust-snphost
Cloning into '/var/lib/mock/f39-build-1572527-37788/root/chroot_tmpdir/scmroot/rust-snphost'...
$ git fetch origin 6cb4a0d043a1d266921e1d0225827c5fc1aaa5ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-snphost
 * [new ref]         6cb4a0d043a1d266921e1d0225827c5fc1aaa5ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6cb4a0d Initial package