$ git clone -n https://src.fedoraproject.org/rpms/perl-Gtk2-SourceView2.git /var/lib/mock/f41-build-816605-150289/root/chroot_tmpdir/scmroot/perl-Gtk2-SourceView2
Cloning into '/var/lib/mock/f41-build-816605-150289/root/chroot_tmpdir/scmroot/perl-Gtk2-SourceView2'...
$ git fetch origin 788fe51f0085f80e29a2ffe6d400bcf5fd4b873b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gtk2-SourceView2
 * [new ref]         788fe51f0085f80e29a2ffe6d400bcf5fd4b873b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 788fe51 Perl 5.40 rebuild