$ git clone -n https://src.fedoraproject.org/rpms/openblas-srpm-macros.git /var/lib/mock/f38-build-side-42-init-devel-603512-26220/root/chroot_tmpdir/scmroot/openblas-srpm-macros
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-603512-26220/root/chroot_tmpdir/scmroot/openblas-srpm-macros'...
$ git fetch origin 9d641fff61c3a0c556bc16fc0def4c3322ed3fac:KOJI_FETCH_HEAD
error: Server does not allow request for unadvertised object 9d641fff61c3a0c556bc16fc0def4c3322ed3fac
$ git reset --hard 9d641fff61c3a0c556bc16fc0def4c3322ed3fac
fatal: Could not parse object '9d641fff61c3a0c556bc16fc0def4c3322ed3fac'.