To get it flashing, I had to run:
$ nix-shell -I nixpkgs=/home/kragniz/git/nixpkgs/ --pure -p platformio avrdude
$ rm /home/kragniz/.platformio/packages/tool-avrdude/avrdude
$ ln -s $(type avrdude) ~/.platformio/packages/tool-avrdude/avrdude
To get it flashing, I had to run:
$ nix-shell -I nixpkgs=/home/kragniz/git/nixpkgs/ --pure -p platformio avrdude
$ rm /home/kragniz/.platformio/packages/tool-avrdude/avrdude
$ ln -s $(type avrdude) ~/.platformio/packages/tool-avrdude/avrdude