$ git clone -n https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs.git /var/lib/mock/f40-build-2654711-66907/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs
Cloning into '/var/lib/mock/f40-build-2654711-66907/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs'...
$ git fetch origin 71ef7e91b47d3e6eba263945e7ce91ee977216d2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs
 * [new ref]         71ef7e91b47d3e6eba263945e7ce91ee977216d2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71ef7e9 Update to version 0.9.3