$ git clone -n https://src.fedoraproject.org/rpms/rust-apfs.git /var/lib/mock/f45-build-40076-767/root/chroot_tmpdir/scmroot/rust-apfs
Cloning into '/var/lib/mock/f45-build-40076-767/root/chroot_tmpdir/scmroot/rust-apfs'...
$ git fetch origin 09c9613f9e5707dc6cb09dbe39932410f46cc2ab:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-apfs
 * [new ref]         09c9613f9e5707dc6cb09dbe39932410f46cc2ab -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09c9613 Update to version 0.2.4; Fixes RHBZ#2457693