$ git clone -n https://src.fedoraproject.org/rpms/GraphicsMagick.git /var/lib/mock/f31-build-73289-30936/root/chroot_tmpdir/scmroot/GraphicsMagick
Cloning into '/var/lib/mock/f31-build-73289-30936/root/chroot_tmpdir/scmroot/GraphicsMagick'...
$ git reset --hard 142f332566c7a01452c50ea936d514bdd67045c3
HEAD is now at 142f332 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild