[travis] run dotfiles provisioning via nix-shell directly

.gitignore

@@ -1,3 +1,5 @@
 cabal-dev
 dist
 tags
+result
+env.nix

.travis.yml

@@ -4,14 +4,12 @@ ghc:
  - 7.8
 
 before_install:
-    - cabal install alex happy
-    - cabal install c2hs
-    - cabal install cabal-install cabalg
-    - cabal install data-default
+    - |
+      bash <(curl -sS https://nixos.org/nix/install)
+      source $HOME/.nix-profile/etc/profile.d/nix.sh
+      nix-channel --update
 
 install:
-    - cabalg https://github.com/biegunka/biegunka@develop -- --force-reinstalls
+    - nix-shell -p '(haskellPackages.callPackage ./default.nix { })' --command 'dotfiles --x220 --changes'
 
-script:
-    - biegunka run biegunka/ -- --x220 --changes
-    - biegunka run biegunka/ -- --s10 --changes
+script: true

biegunka.nix

@@ -4,7 +4,7 @@ pkgs.haskellPackages.cabal.mkDerivation (self: {
   pname = "biegunka";
   version = "0.2";
   src = pkgs.fetchgit {
-    url = "git@github.com:biegunka/biegunka.git";
+    url = "https://github.com/biegunka/biegunka.git";
     sha256 = "545e6e86f229e6f5c53faa581a607c4be14c81948c8d6ab861881edceee66e59";
     rev = "e61187c74a089411d2b23b5234a7cd93de5d8c92";
     fetchSubmodules = false;

biegunka/Profiles.hs

@@ -9,13 +9,13 @@ import           Control.Biegunka.Source.Git
 {-# ANN module ("HLint: ignore Use camelCase" :: String) #-}
 
 dotfiles :: Script Actions () -> Script Sources ()
-dotfiles as = git' "git@github.com:dmalikov/dotfiles" "git/dotfiles" $ def & actions .~ as
+dotfiles as = git' "https://github.com/dmalikov/dotfiles" "git/dotfiles" $ def & actions .~ as
 
 profile_vim :: Script Sources ()
 profile_vim = do
   profile "vim/rc" $ do
-    git_ "git@github.com:Shougo/neobundle.vim" ".vim/bundle/neobundle.vim"
-    git "git@github.com:tpope/vim-pathogen" ".vim/bundle/vim-pathogen" $
+    git_ "https://github.com/Shougo/neobundle.vim" ".vim/bundle/neobundle.vim"
+    git "https://github.com/tpope/vim-pathogen" ".vim/bundle/vim-pathogen" $
       copy "autoload/pathogen.vim" ".vim/autoload/pathogen.vim"
     dotfiles $ copy "configs/vim/vimrc" ".vimrc"
   profile "vim/syntax" $ do
@@ -120,8 +120,8 @@ profile_bash = profile "bash" $
 
 profile_zsh :: Script Sources ()
 profile_zsh = profile "zsh" $ do
-  git_ "git@github.com:zsh-users/zsh-completions" "git/zsh-completions"
-  git_ "git@github.com:zsh-users/zsh-syntax-highlighting" "git/zsh-syntax-highlighting"
+  git_ "https://github.com/zsh-users/zsh-completions" "git/zsh-completions"
+  git_ "https://github.com/zsh-users/zsh-syntax-highlighting" "git/zsh-syntax-highlighting"
   dotfiles $ do
     copy "configs/zsh/zshrc" ".zshrc"
     copy "configs/zsh/zshenv" ".zshenv"
@@ -144,7 +144,7 @@ profile_gtk = profile "gtk" $
 
 profile_tmux :: Script Sources ()
 profile_tmux = profile "tmux" $ do
-  git_ "git@github.com:richo/battery" "git/tmux-battery"
+  git_ "https://github.com/richo/battery" "git/tmux-battery"
   dotfiles $ do
     substitute "configs/tmux/conf.template" ".tmux.conf"
     copy "configs/tmux/keybindings" ".tmux.keybindings"