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Diffstat (limited to '')
| -rw-r--r-- | nix/sources.nix | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/nix/sources.nix b/nix/sources.nix index 1938409..9a01c8a 100644 --- a/nix/sources.nix +++ b/nix/sources.nix @@ -31,8 +31,28 @@ let if spec ? branch then "refs/heads/${spec.branch}" else if spec ? tag then "refs/tags/${spec.tag}" else abort "In git source '${name}': Please specify `ref`, `tag` or `branch`!"; + submodules = if spec ? submodules then spec.submodules else false; + submoduleArg = + let + nixSupportsSubmodules = builtins.compareVersions builtins.nixVersion "2.4" >= 0; + emptyArgWithWarning = + if submodules == true + then + builtins.trace + ( + "The niv input \"${name}\" uses submodules " + + "but your nix's (${builtins.nixVersion}) builtins.fetchGit " + + "does not support them" + ) + {} + else {}; + in + if nixSupportsSubmodules + then { inherit submodules; } + else emptyArgWithWarning; in - builtins.fetchGit { url = spec.repo; inherit (spec) rev; inherit ref; }; + builtins.fetchGit + ({ url = spec.repo; inherit (spec) rev; inherit ref; } // submoduleArg); fetch_local = spec: spec.path; |