$ git clone -n https://src.koozali.org/smeserver/perl-File-chmod.git /var/lib/mock/dist-sme12-build-3659-18830/root/chroot_tmpdir/scmroot/perl-File-chmod
Cloning into '/var/lib/mock/dist-sme12-build-3659-18830/root/chroot_tmpdir/scmroot/perl-File-chmod'...
$ git fetch origin head:KOJI_FETCH_HEAD
fatal: couldn't find remote ref head
$ git reset --hard head
fatal: ambiguous argument 'head': unknown revision or path not in the working tree.
Use '--' to separate paths from revisions, like this:
'git <command> [<revision>...] -- [<file>...]'