diff options
Diffstat (limited to 'libs.nix')
-rw-r--r-- | libs.nix | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/libs.nix b/libs.nix new file mode 100644 index 00000000..2ddfcbb5 --- /dev/null +++ b/libs.nix | |||
@@ -0,0 +1,78 @@ | |||
1 | { pkgs }: | ||
2 | with pkgs; | ||
3 | rec { | ||
4 | yarn2nixPackage = let | ||
5 | src = builtins.fetchGit { | ||
6 | url = "git://github.com/moretea/yarn2nix.git"; | ||
7 | ref = "master"; | ||
8 | rev = "780e33a07fd821e09ab5b05223ddb4ca15ac663f"; | ||
9 | }; | ||
10 | in | ||
11 | (callPackage src {}) // { inherit src; }; | ||
12 | |||
13 | nodeEnv = import ./lib/node-env.nix; | ||
14 | |||
15 | fetchedGithub = path: | ||
16 | let | ||
17 | json = lib.importJSON path; | ||
18 | in rec { | ||
19 | version = json.tag; | ||
20 | name = "${json.meta.name}-${version}"; | ||
21 | src = fetchFromGitHub json.github; | ||
22 | }; | ||
23 | |||
24 | fetchedGit = path: | ||
25 | let | ||
26 | json = lib.importJSON path; | ||
27 | in rec { | ||
28 | version = json.tag; | ||
29 | name = "${json.meta.name}-${version}"; | ||
30 | src = fetchgit json.git; | ||
31 | }; | ||
32 | |||
33 | fetchedGitPrivate = path: | ||
34 | let | ||
35 | json = lib.importJSON path; | ||
36 | in rec { | ||
37 | version = json.tag; | ||
38 | name = "${json.meta.name}-${version}"; | ||
39 | src = fetchgitPrivate json.git; | ||
40 | }; | ||
41 | |||
42 | wrap = { paths ? [], vars ? {}, file ? null, script ? null, name ? "wrap" }: | ||
43 | assert file != null || script != null || | ||
44 | abort "wrap needs 'file' or 'script' argument"; | ||
45 | with rec { | ||
46 | set = n: v: "--set ${pkgs.lib.escapeShellArg n} " + | ||
47 | "${pkgs.lib.escapeShellArg v}"; | ||
48 | args = (map (p: "--prefix PATH : ${p}/bin") paths) ++ | ||
49 | (builtins.attrValues (pkgs.lib.mapAttrs set vars)); | ||
50 | }; | ||
51 | runCommand name | ||
52 | { | ||
53 | f = if file == null then writeScript name script else file; | ||
54 | buildInputs = [ makeWrapper ]; | ||
55 | } | ||
56 | '' | ||
57 | makeWrapper "$f" "$out" ${toString args} | ||
58 | ''; | ||
59 | |||
60 | # This adds header colors to the builds, but it rebuilds the whole | ||
61 | # world from scratch, so only use it to debug! | ||
62 | # add it as postHook in derivations | ||
63 | immaePostHook = '' | ||
64 | header() { | ||
65 | echo -ne "\033[1;36m" | ||
66 | echo -n "$1" | ||
67 | echo -e "\033[0m" | ||
68 | } | ||
69 | |||
70 | echoCmd() { | ||
71 | printf "\033[1;34m%s:\033[0m" "$1" | ||
72 | shift | ||
73 | printf ' %q' "$@" | ||
74 | echo | ||
75 | } | ||
76 | ''; | ||
77 | |||
78 | } // (if builtins.pathExists ./lib/private then import ./lib/private else {}) | ||