$ git clone -n https://src.fedoraproject.org/rpms/ghdl.git /var/lib/mock/f38-build-side-42-init-devel-1106075-30074/root/chroot_tmpdir/scmroot/ghdl
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1106075-30074/root/chroot_tmpdir/scmroot/ghdl'...
$ git fetch origin 46beb0d2a89d5f2e3d3f29fe8c9847cbd6f8d9cb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghdl
 * [new ref]         46beb0d2a89d5f2e3d3f29fe8c9847cbd6f8d9cb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 46beb0d Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild