diff options
-rw-r--r-- | src/libexpr/primops.cc | 11 | ||||
-rw-r--r-- | src/nix/flake.md | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/src/libexpr/primops.cc b/src/libexpr/primops.cc index 3641ee468..73ffe03d4 100644 --- a/src/libexpr/primops.cc +++ b/src/libexpr/primops.cc @@ -254,9 +254,14 @@ static RegisterPrimOp primop_import({ .args = {"path"}, // TODO turn "normal path values" into link below .doc = R"( - Load, parse and return the Nix expression in the file *path*. If - *path* is a directory, the file ` default.nix ` in that directory - is loaded. Evaluation aborts if the file doesn’t exist or contains + Load, parse and return the Nix expression in the file *path*. + + The value *path* is conveted to a string as described in `builtins.toString`. + + If *path* is a directory, the file ` default.nix ` in that directory + is loaded. + + Evaluation aborts if the file doesn’t exist or contains an incorrect Nix expression. `import` implements Nix’s module system: you can put any Nix expression (such as a set or a function) in a separate file, and use it from Nix expressions in diff --git a/src/nix/flake.md b/src/nix/flake.md index 8eaa41b96..cd9f656e3 100644 --- a/src/nix/flake.md +++ b/src/nix/flake.md @@ -317,6 +317,8 @@ The following attributes are supported in `flake.nix`: also contains some metadata about the inputs. These are: * `outPath`: The path in the Nix store of the flake's source tree. + This way, the attribute set can be passed to `import` as if it was a path, + as in the example above (`import nixpkgs`). * `rev`: The commit hash of the flake's repository, if applicable. |