$ git clone -n https://src.fedoraproject.org/rpms/perl-HTML-WikiConverter-Markdown.git /var/lib/mock/f45-build-23961-601/root/chroot_tmpdir/scmroot/perl-HTML-WikiConverter-Markdown
Cloning into '/var/lib/mock/f45-build-23961-601/root/chroot_tmpdir/scmroot/perl-HTML-WikiConverter-Markdown'...
$ git fetch origin d261628bc33b05a975582c8a653173439b1b5694:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTML-WikiConverter-Markdown
 * [new ref]         d261628bc33b05a975582c8a653173439b1b5694 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d261628 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild