diff options
Diffstat (limited to 'pkgs/misc/my-env')
-rw-r--r-- | pkgs/misc/my-env/default.nix | 71 |
1 files changed, 33 insertions, 38 deletions
diff --git a/pkgs/misc/my-env/default.nix b/pkgs/misc/my-env/default.nix index 51c9e5a5418af..65d8feb9ede98 100644 --- a/pkgs/misc/my-env/default.nix +++ b/pkgs/misc/my-env/default.nix @@ -1,18 +1,34 @@ -# idea: provide nix environment for your developement actions -# experimental - +# idea: provide a build environments for your developement of preference /* - # example: - # add postgresql to environment and create ctags (tagfiles can be extracted from TAG_FILES) - # add this to your ~/.nixpkgs/config.nix + #### examples of use: #### + # Add this to your ~/.nixpkgs/config.nix: + { + packageOverrides = pkgs : with pkgs; + sdlEnv = pkgs.myEnvFun { + name = "sdl"; + buildInputs = [ stdenv SDL SDL_image SDL_ttf SDL_gfx cmake SDL_net pkgconfig]; + }; + }; + } + + # Then you can install it by: nix-env -i sdl-env + # And you can load it simply calling: load-sdl-env + # and in the new shell spawn you will have 'make' and 'gcc' finding the SDL headers and libs. + # Type 'exit', and you will exit it + + ##### Another example, more complicated but achieving more: ####### + # Make an environment to build nix from source and create ctags (tagfiles can + # be extracted from TAG_FILES) from every source package. Here would be a + # full ~/.nixpkgs/config.nix { packageOverrides = pkgs : with pkgs; with sourceAndTags; - let simple = { name, buildInputs ? [], cTags ? [], extraCmds ? ""}: + let complicatedMyEnv = { name, buildInputs ? [], cTags ? [], extraCmds ? ""}: pkgs.myEnvFun { inherit name; buildInputs = buildInputs - ++ map (x : sourceWithTagsDerivation ( (addCTaggingInfo x ).passthru.sourceWithTags ) ) cTags; + ++ map (x : sourceWithTagsDerivation + ( (addCTaggingInfo x ).passthru.sourceWithTags ) ) cTags; extraCmds = '' ${extraCmds} HOME=${builtins.getEnv "HOME"} @@ -21,41 +37,20 @@ }; in rec { # this is the example we will be using - nixEnv = simple { - name = "mytestenv"; - buildInputs = [ libtool stdenv perl curl bzip2 openssl db45 autoconf automake zlib ]; - }; - # this is a second example (not covered here but still useful) - given by viric - sdlEnv = pkgs.myEnvFun { - name = "sdl"; - buildInputs = [ stdenv SDL SDL_image SDL_ttf SDL_gfx cmake SDL_net pkgconfig]; + nixEnv = complicatedMyEnv { + name = "nix"; + buildInputs = [ libtool stdenv perl curl bzip2 openssl db45 autoconf automake zlib ]; }; - # add more environments below here, just follow the syntax given in the above examples }; } - put this into your .bashrc - loadEnv(){ . "${HOME}/.nix-profile/dev-envs/${1}"; } - - afterwards execute the new bash shell: - $ bash - - the nix expression created is called: env-mytestenv and must appear when searching for it using: - $ nix-env -qa '*' | grep nix - env-mytestenv - - now we should build our newly defined custom environment using this command on a shell, so type: - $ nix-env -iA env-mytestenv - - afterwards load the new environment using: - $ loadEnv mytestenv - one could also use this function instead: - $ load-mytestenv-env - the result using either command should be: - env-mytestenv loaded + Now we should build our newly defined custom environment using this command on a shell, so type: + $ nix-env -i env-nix - note: after you typed the above command you will lose all the other tools usually found in a shell you are used to. in this - example you will not be able to type 'vi' to edit a file as vi is not included in the dependencies + One could also use this function instead: + $ load-nix-env + The result using either command should be: + env-nix loaded */ { mkDerivation, substituteAll, pkgs } : { stdenv ? pkgs.stdenv, name, buildInputs ? [], cTags ? [], extraCmds ? ""} : |