nixpkgs/pkgs/development/compilers/elm/update.sh

#!/usr/bin/env nix-shell
#!nix-shell -p cabal2nix elm2nix -i bash ../../..

cabal2nix https://github.com/elm/compiler --revision c9aefb6230f5e0bda03205ab0499f6e4af924495 > packages/elm.nix
echo "need to manually copy registry.dat from an existing elm project"
#elm2nix snapshot > registry.dat
pushd "$(nix-build -A elmPackages.elm.src --no-out-link ../../../..)/reactor"
  elm2nix convert > $OLDPWD/packages/elm-srcs.nix
popd
Elm: automate packaging with elm2nix - rewrite documentation - automate whole process into update.sh - remove all legacy snippets 2019-01-03 16:31:00 +00:00			`#!/usr/bin/env nix-shell`
			`#!nix-shell -p cabal2nix elm2nix -i bash ../../..`

Elm: 0.19.0 -> 0.19.1 2019-10-21 14:31:02 +00:00			`cabal2nix https://github.com/elm/compiler --revision c9aefb6230f5e0bda03205ab0499f6e4af924495 > packages/elm.nix`
			`echo "need to manually copy registry.dat from an existing elm project"`
			`#elm2nix snapshot > registry.dat`
			`pushd "$(nix-build -A elmPackages.elm.src --no-out-link ../../../..)/reactor"`
Elm: automate packaging with elm2nix - rewrite documentation - automate whole process into update.sh - remove all legacy snippets 2019-01-03 16:31:00 +00:00			`elm2nix convert > $OLDPWD/packages/elm-srcs.nix`
			`popd`