$ git clone -n https://src.fedoraproject.org/rpms/goocanvas.git /var/lib/mock/f31-build-63606-29407/root/thebuilddir/tmp/scmroot/goocanvas
Cloning into '/var/lib/mock/f31-build-63606-29407/root/thebuilddir/tmp/scmroot/goocanvas'...
$ git reset --hard 2d868df257476ae76c09a2754d5249343991b47e
HEAD is now at 2d868df - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild