$ git clone -n https://src.fedoraproject.org/rpms/powerline.git /var/lib/mock/f31-build-88859-32020/root/chroot_tmpdir/scmroot/powerline
Cloning into '/var/lib/mock/f31-build-88859-32020/root/chroot_tmpdir/scmroot/powerline'...
$ git reset --hard ec88341cf046361c10a6b00bf9f0506499fa08bc
HEAD is now at ec88341 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild