$ git clone -n https://src.fedoraproject.org/rpms/libpng.git /var/lib/mock/f33-build-141655-42607/root/chroot_tmpdir/scmroot/libpng
Cloning into '/var/lib/mock/f33-build-141655-42607/root/chroot_tmpdir/scmroot/libpng'...
$ git reset --hard 423180289da2f2eced4b4fb4078cbd8ad3153733
HEAD is now at 4231802 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild