From dbcba2ea2b7301aaa7e6487c2589b09ef09ba066 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Isma=C3=ABl=20Bouya?= <ismael.bouya@normalesup.org>
Date: Fri, 24 May 2019 14:43:09 +0200
Subject: Reorganize files

---
 lib/default.nix | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 82 insertions(+)
 create mode 100644 lib/default.nix

(limited to 'lib/default.nix')

diff --git a/lib/default.nix b/lib/default.nix
new file mode 100644
index 0000000..1baee1f
--- /dev/null
+++ b/lib/default.nix
@@ -0,0 +1,82 @@
+{ pkgs }:
+with pkgs;
+rec {
+  yarn2nixPackage = let
+    src = builtins.fetchGit {
+      url = "git://github.com/moretea/yarn2nix.git";
+      ref = "master";
+      rev = "780e33a07fd821e09ab5b05223ddb4ca15ac663f";
+    };
+  in
+    (callPackage src {}) // { inherit src; };
+
+  nodeEnv = import ./node-env.nix;
+
+  fetchedGithub = path:
+    let
+      json = lib.importJSON path;
+    in rec {
+      version = json.tag;
+      name = "${json.meta.name}-${version}";
+      src = fetchFromGitHub json.github;
+    };
+
+  fetchedGit = path:
+    let
+      json = lib.importJSON path;
+    in rec {
+      version = json.tag;
+      name = "${json.meta.name}-${version}";
+      src = fetchgit json.git;
+    };
+
+  fetchedGitPrivate = path:
+    let
+      json = lib.importJSON path;
+    in rec {
+      version = json.tag;
+      name = "${json.meta.name}-${version}";
+      src = builtins.fetchGit {
+        url = json.git.url;
+        ref = "master";
+        rev = json.git.rev;
+      };
+    };
+
+  wrap = { paths ? [], vars ? {}, file ? null, script ? null, name ? "wrap" }:
+    assert file != null || script != null ||
+      abort "wrap needs 'file' or 'script' argument";
+    with rec {
+      set  = n: v: "--set ${pkgs.lib.escapeShellArg n} " +
+                    "${pkgs.lib.escapeShellArg v}";
+      args = (map (p: "--prefix PATH : ${p}/bin") paths) ++
+            (builtins.attrValues (pkgs.lib.mapAttrs set vars));
+    };
+    runCommand name
+      {
+        f           = if file == null then writeScript name script else file;
+        buildInputs = [ makeWrapper ];
+      }
+      ''
+        makeWrapper "$f" "$out" ${toString args}
+      '';
+
+  # This adds header colors to the builds, but it rebuilds the whole
+  # world from scratch, so only use it to debug!
+  # add it as postHook in derivations
+  immaePostHook = ''
+    header() {
+      echo -ne "\033[1;36m"
+      echo -n "$1"
+      echo -e "\033[0m"
+    }
+
+    echoCmd() {
+      printf "\033[1;34m%s:\033[0m" "$1"
+      shift
+      printf ' %q' "$@"
+      echo
+    }
+  '';
+
+} // (if builtins.pathExists ./lib/private then import ./lib/private else {})
-- 
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