$ git clone -n https://src.fedoraproject.org/rpms/rust-annotate-snippets.git /var/lib/mock/f38-build-side-43-rust-devel-1407606-31339/root/chroot_tmpdir/scmroot/rust-annotate-snippets
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1407606-31339/root/chroot_tmpdir/scmroot/rust-annotate-snippets'...
$ git fetch origin 29921871c1d93892d1b2b9e3d67f85ab9eb27ef2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-annotate-snippets
 * [new ref]         29921871c1d93892d1b2b9e3d67f85ab9eb27ef2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2992187 Initial import (#2232627)