$ git clone -n https://src.fedoraproject.org/rpms/libpaper.git /var/lib/mock/f31-build-59245-28552/root/chroot_tmpdir/scmroot/libpaper
Cloning into '/var/lib/mock/f31-build-59245-28552/root/chroot_tmpdir/scmroot/libpaper'...
$ git reset --hard 996405ab78d2b1811058abe314e617188725f64e
HEAD is now at 996405a - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild