$ git clone -n https://src.fedoraproject.org/rpms/perl-Gnome2-Canvas.git /var/lib/mock/f41-build-side-1-2652701-27750/root/chroot_tmpdir/scmroot/perl-Gnome2-Canvas
Cloning into '/var/lib/mock/f41-build-side-1-2652701-27750/root/chroot_tmpdir/scmroot/perl-Gnome2-Canvas'...
$ git fetch origin 7dd060d81d6aa38b946a9b7d5719cb280ea83b75:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Gnome2-Canvas
 * [new ref]         7dd060d81d6aa38b946a9b7d5719cb280ea83b75 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7dd060d convert GPLv2+ license to SPDX