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nixos/documentation: avoid copying nixpkgs subpaths

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the docs build should work well even when called from a git checkout of
nixpkgs, but should avoid as much work as possible in all cases.
if pkgs.path is already a store path we can avoid copying parts of it
into the docs build sandbox by wrapping pkgs.path in builtins.storePath
This commit is contained in:
pennae
2021-12-18 20:10:18 +01:00
parent 50954ad1c5
commit 1511e72b75
1 changed files with 7 additions and 3 deletions
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10
nixos/modules/misc/documentation.nix
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@@ -67,11 +67,15 @@ let
(t == "directory" -> baseNameOf n != "tests") (t == "directory" -> baseNameOf n != "tests")
&& (t == "file" -> hasSuffix ".nix" n) && (t == "file" -> hasSuffix ".nix" n)
); );
pull = dir:
if isStorePath pkgs.path
then "${builtins.storePath pkgs.path}/${dir}"
else filter "${toString pkgs.path}/${dir}";
in in
pkgs.runCommand "lazy-options.json" { pkgs.runCommand "lazy-options.json" {
libPath = filter "${toString pkgs.path}/lib"; libPath = pull "lib";
pkgsLibPath = filter "${toString pkgs.path}/pkgs/pkgs-lib"; pkgsLibPath = pull "pkgs/pkgs-lib";
nixosPath = filter "${toString pkgs.path}/nixos"; nixosPath = pull "nixos";
modules = map (p: ''"${removePrefix "${modulesPath}/" (toString p)}"'') docModules.lazy; modules = map (p: ''"${removePrefix "${modulesPath}/" (toString p)}"'') docModules.lazy;
} '' } ''
export NIX_STORE_DIR=$TMPDIR/store export NIX_STORE_DIR=$TMPDIR/store