$ git clone -n https://src.fedoraproject.org/rpms/compsize.git /var/lib/mock/f31-build-66251-29845/root/chroot_tmpdir/scmroot/compsize
Cloning into '/var/lib/mock/f31-build-66251-29845/root/chroot_tmpdir/scmroot/compsize'...
$ git reset --hard 097078d7350b59bf2d07e41f674a27b621654b0a
HEAD is now at 097078d - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild