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81 lines
2.5 KiB
Nix
81 lines
2.5 KiB
Nix
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{ lib, nix-gitignore }:
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let
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# See https://nix.dev/tutorials/file-sets for a guide on how the file set api works
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fs = lib.fileset;
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fileDoesNotHaveExt = fileExts: file: (!lib.lists.any (ext: file.hasExt ext) fileExts);
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repoRoot = ../.;
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# The file set api does not currently have a way to easily remove folders dynamically.
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# The nix build does not run tests, so we try to remove any folders with only tests.
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removedTests =
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let
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dirFilter = pathStr: (
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let dirName = baseNameOf pathStr; in !(
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# remove any folder whos name is `tests` or starts with `test_`
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dirName == "tests"
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)
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);
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removeTestFilter =
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path: type:
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# only do a "real" check on directory, allow everything else through
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(type == "directory" && dirFilter path)
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|| type != "directory";
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in
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lib.sources.cleanSourceWith { src = repoRoot; filter = removeTestFilter; };
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fsBase = fs.fromSource removedTests;
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# fsBase = fs.fromSource repoRoot;
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# only look at files in the crates folder
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onlyCratesFolder = fs.intersection ../crates fsBase;
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# the above filter only has the subfolder, put some needed files from the root back in
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includeCargoRootFiles = fs.unions [
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../Cargo.toml
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../Cargo.lock
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../version.txt
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onlyCratesFolder
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];
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# Remove any "simple" files like markdown/pictures since they probably wont be used in the actual code
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removedSimpleFiles =
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let
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extensionsToRemove = [ "md" "svg" "png" ];
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in
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fs.intersection
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includeCargoRootFiles
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(fs.fileFilter (fileDoesNotHaveExt extensionsToRemove) repoRoot);
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# the above filter can make the doc crate sad since it has pictures
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docsAddedBack = fs.unions [
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../crates/docs
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removedSimpleFiles
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];
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# ===============================
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# If you are trying to see what is ok to exclude from the "main" builds (cli/lang_server)
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# use `cargo tree` https://doc.rust-lang.org/cargo/commands/cargo-tree.html
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#
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# Ex: `cargo tree -i roc_build` will show all deps of the `roc_build` crate
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# if only the package passed with `-i` is shown, nothing depends on it
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# ===============================
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# remove www folder from checkmate crate since it's not built with nix
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removedWWW = fs.difference docsAddedBack ../crates/compiler/checkmate/www;
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# potential packages/folders that could be removed
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# repl_* -> I don't think nix will build those
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filteredSrc = fs.toSource {
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root = repoRoot;
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# to debug you can switch to
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# fileset = fs.traceVal <file set>
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fileset = removedWWW;
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};
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in
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filteredSrc
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