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authorVincent Ambo <tazjin@google.com>2019-12-21T05·42+0000
committerVincent Ambo <tazjin@google.com>2019-12-21T05·42+0000
commit4a9c6ab6a22432a8df3ad0611dd4821e005dc0a7 (patch)
tree7b07ccce519172ba316f3ae1107017a15d22357e /read-tree.nix
parentcbc3409ce099e42e59b031bfe9bd43953206cb4c (diff)
refactor(nix/readTree): Move readTree to its own subfolder r/279
Diffstat (limited to 'read-tree.nix')
-rw-r--r--read-tree.nix61
1 files changed, 0 insertions, 61 deletions
diff --git a/read-tree.nix b/read-tree.nix
deleted file mode 100644
index 052865914e5b..000000000000
--- a/read-tree.nix
+++ /dev/null
@@ -1,61 +0,0 @@
-args: initPath:
-
-let
-  inherit (builtins)
-    attrNames
-    baseNameOf
-    filter
-    hasAttr
-    head
-    length
-    listToAttrs
-    map
-    match
-    isAttrs
-    readDir;
-
-  argsWithPath = parts: args // {
-    locatedAt = parts;
-  };
-
-  # The marker is added to every set that was imported directly by
-  # readTree.
-  importWithMark = path: parts:
-    let imported = import path (argsWithPath parts);
-    in if (isAttrs imported)
-      then imported // { __readTree = true; }
-      else imported;
-
-  nixFileName = file:
-    let res = match "(.*)\.nix" file;
-    in if res == null then null else head res;
-
-  readTree = path: parts:
-    let
-      dir = readDir path;
-      self = importWithMark path parts;
-      joinChild = c: path + ("/" + c);
-
-      # Import subdirectories of the current one, unless the special
-      # `.skip-subtree` file exists which makes readTree ignore the
-      # children.
-      #
-      # This file can optionally contain information on why the tree
-      # should be ignored, but its content is not inspected by
-      # readTree
-      filterDir = f: dir."${f}" == "directory";
-      children = if hasAttr ".skip-subtree" dir then [] else map (c: {
-        name = c;
-        value = readTree (joinChild c) (parts ++ [ c ]);
-      }) (filter filterDir (attrNames dir));
-
-      # Import Nix files
-      nixFiles = filter (f: f != null) (map nixFileName (attrNames dir));
-      nixChildren = map (c: let p = joinChild (c + ".nix"); in {
-        name = c;
-        value = importWithMark p (parts ++ [ c ]);
-      }) nixFiles;
-    in if dir ? "default.nix"
-      then (if isAttrs self then self // (listToAttrs children) else self)
-      else listToAttrs (nixChildren ++ children);
-in readTree initPath [ (baseNameOf initPath) ]