$ git clone -n https://src.fedoraproject.org/rpms/ghc-cairo.git /var/lib/mock/f31-build-115972-34527/root/chroot_tmpdir/scmroot/ghc-cairo
Cloning into '/var/lib/mock/f31-build-115972-34527/root/chroot_tmpdir/scmroot/ghc-cairo'...
$ git reset --hard d166c6f837bd5d8c04b77b86f93cf8bbef068e6e
HEAD is now at d166c6f - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild