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authorobadz <obadz-git@obadz.com>2016-06-02 16:03:35 +0100
committerobadz <obadz-git@obadz.com>2016-06-03 13:38:41 +0100
commit4c5fdf42ed3612db4532bc2259dd3f7c6847e077 (patch)
treefb49f82dd2791b1d7cb45c3f43ab0d9a23c1bbc3 /lib/sources.nix
parent30c94e10c3ab41d48db5fc45d6bc95491610d2d9 (diff)
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nixos/modules/misc/version.nix: check that .git is a directory
That's not the case for git submodules
Fixes #15928
Diffstat (limited to 'lib/sources.nix')
-rw-r--r--lib/sources.nix6
1 files changed, 6 insertions, 0 deletions
diff --git a/lib/sources.nix b/lib/sources.nix
index 6b19b192dfd..8e58e4b6a9d 100644
--- a/lib/sources.nix
+++ b/lib/sources.nix
@@ -4,6 +4,11 @@ let lib = import ./default.nix; in
 
 rec {
 
+  # Returns the type of a path: regular (for file), symlink, or directory
+  pathType = p: with builtins; getAttr (baseNameOf p) (readDir (dirOf p));
+
+  # Returns true if the path exists and is a directory, false otherwise
+  pathIsDirectory = p: if builtins.pathExists p then (pathType p) == "directory" else false;
 
   # Bring in a path as a source, filtering out all Subversion and CVS
   # directories, as well as backup files (*~).
@@ -29,6 +34,7 @@ rec {
       in type == "directory" || lib.any (ext: lib.hasSuffix ext base) exts;
     in builtins.filterSource filter path;
 
+
   # Get the commit id of a git repo
   # Example: commitIdFromGitRepo <nixpkgs/.git>
   commitIdFromGitRepo =