$ git clone -n https://src.fedoraproject.org/rpms/pngcrush.git /var/lib/mock/f31-build-88450-31980/root/chroot_tmpdir/scmroot/pngcrush
Cloning into '/var/lib/mock/f31-build-88450-31980/root/chroot_tmpdir/scmroot/pngcrush'...
$ git reset --hard cde3c7004f1ce974f86a9f6e139d1b6bea42a56f
HEAD is now at cde3c70 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild