$ git clone -n https://src.fedoraproject.org/rpms/rust-zlink-idl.git /var/lib/mock/f45-build-46406-834/root/chroot_tmpdir/scmroot/rust-zlink-idl
Cloning into '/var/lib/mock/f45-build-46406-834/root/chroot_tmpdir/scmroot/rust-zlink-idl'...
$ git fetch origin 64c8a4b1e5c17952bc465f52ef627bade72971a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-zlink-idl
 * [new ref]         64c8a4b1e5c17952bc465f52ef627bade72971a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64c8a4b Initial package version 0.7.0