$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-revision.git /var/lib/mock/f40-build-2258472-54349/root/chroot_tmpdir/scmroot/rust-gix-revision
Cloning into '/var/lib/mock/f40-build-2258472-54349/root/chroot_tmpdir/scmroot/rust-gix-revision'...
$ git fetch origin eebf318cb8a53d719fa7eaca9e0b6cf813c7ff0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-revision
 * [new ref]         eebf318cb8a53d719fa7eaca9e0b6cf813c7ff0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at eebf318 Update to version 0.23.0