$ git clone -n https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs.git /var/lib/mock/f38-build-side-43-rust-devel-1397478-31052/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1397478-31052/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs'...
$ git fetch origin 2d9a4e99c6c6e42d18f590c40db6276fb1a5713d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs
 * [new ref]         2d9a4e99c6c6e42d18f590c40db6276fb1a5713d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d9a4e9 Update to version 0.9.0