$ git clone -n https://src.fedoraproject.org/rpms/compsize.git /var/lib/mock/f31-build-57557-28366/root/chroot_tmpdir/scmroot/compsize
Cloning into '/var/lib/mock/f31-build-57557-28366/root/chroot_tmpdir/scmroot/compsize'...
$ git reset --hard b178a01aa4b2d128791b6acbf77f476e3acc25e1
HEAD is now at b178a01 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild