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-rw-r--r--src/nix/app.cc14
-rw-r--r--src/nix/eval.cc2
-rw-r--r--src/nix/flake.cc15
-rw-r--r--src/nix/flake.md4
-rw-r--r--src/nix/fmt.cc53
-rw-r--r--src/nix/fmt.md53
-rw-r--r--src/nix/repl.cc22
-rw-r--r--src/nix/search.cc4
8 files changed, 149 insertions, 18 deletions
diff --git a/src/nix/app.cc b/src/nix/app.cc
index 803d028f0..df7303e15 100644
--- a/src/nix/app.cc
+++ b/src/nix/app.cc
@@ -35,7 +35,7 @@ struct InstallableDerivedPath : Installable
/**
* Return the rewrites that are needed to resolve a string whose context is
- * included in `dependencies`
+ * included in `dependencies`.
*/
StringPairs resolveRewrites(Store & store, const BuiltPaths dependencies)
{
@@ -51,7 +51,7 @@ StringPairs resolveRewrites(Store & store, const BuiltPaths dependencies)
}
/**
- * Resolve the given string assuming the given context
+ * Resolve the given string assuming the given context.
*/
std::string resolveString(Store & store, const std::string & toResolve, const BuiltPaths dependencies)
{
@@ -61,14 +61,18 @@ std::string resolveString(Store & store, const std::string & toResolve, const Bu
UnresolvedApp Installable::toApp(EvalState & state)
{
- auto [cursor, attrPath] = getCursor(state);
+ auto cursor = getCursor(state);
+ auto attrPath = cursor->getAttrPath();
auto type = cursor->getAttr("type")->getString();
+ std::string expected = !attrPath.empty() && attrPath[0] == "apps" ? "app" : "derivation";
+ if (type != expected)
+ throw Error("attribute '%s' should have type '%s'", cursor->getAttrPathStr(), expected);
+
if (type == "app") {
auto [program, context] = cursor->getAttr("program")->getStringWithContext();
-
std::vector<StorePathWithOutputs> context2;
for (auto & [path, name] : context)
context2.push_back({path, {name}});
@@ -101,7 +105,7 @@ UnresolvedApp Installable::toApp(EvalState & state)
}
else
- throw Error("attribute '%s' has unsupported type '%s'", attrPath, type);
+ throw Error("attribute '%s' has unsupported type '%s'", cursor->getAttrPathStr(), type);
}
// FIXME: move to libcmd
diff --git a/src/nix/eval.cc b/src/nix/eval.cc
index 8cd04d5fe..733b93661 100644
--- a/src/nix/eval.cc
+++ b/src/nix/eval.cc
@@ -16,7 +16,7 @@ struct CmdEval : MixJSON, InstallableCommand
std::optional<std::string> apply;
std::optional<Path> writeTo;
- CmdEval()
+ CmdEval() : InstallableCommand(true /* supportReadOnlyMode */)
{
addFlag({
.longName = "raw",
diff --git a/src/nix/flake.cc b/src/nix/flake.cc
index a876bb3af..04b23ed0f 100644
--- a/src/nix/flake.cc
+++ b/src/nix/flake.cc
@@ -528,6 +528,16 @@ struct CmdFlakeCheck : FlakeCommand
}
}
+ else if (name == "formatter") {
+ state->forceAttrs(vOutput, pos);
+ for (auto & attr : *vOutput.attrs) {
+ checkSystemName(attr.name, *attr.pos);
+ checkApp(
+ fmt("%s.%s", name, attr.name),
+ *attr.value, *attr.pos);
+ }
+ }
+
else if (name == "packages" || name == "devShells") {
state->forceAttrs(vOutput, pos);
for (auto & attr : *vOutput.attrs) {
@@ -705,7 +715,7 @@ struct CmdFlakeInitCommon : virtual Args, EvalCommand
defaultTemplateAttrPathsPrefixes,
lockFlags);
- auto [cursor, attrPath] = installable.getCursor(*evalState);
+ auto cursor = installable.getCursor(*evalState);
auto templateDirAttr = cursor->getAttr("path");
auto templateDir = templateDirAttr->getString();
@@ -1011,6 +1021,7 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
|| (attrPath.size() == 1 && (
attrPath[0] == "defaultPackage"
|| attrPath[0] == "devShell"
+ || attrPath[0] == "formatter"
|| attrPath[0] == "nixosConfigurations"
|| attrPath[0] == "nixosModules"
|| attrPath[0] == "defaultApp"
@@ -1027,7 +1038,7 @@ struct CmdFlakeShow : FlakeCommand, MixJSON
}
else if (
- (attrPath.size() == 2 && (attrPath[0] == "defaultPackage" || attrPath[0] == "devShell"))
+ (attrPath.size() == 2 && (attrPath[0] == "defaultPackage" || attrPath[0] == "devShell" || attrPath[0] == "formatter"))
|| (attrPath.size() == 3 && (attrPath[0] == "checks" || attrPath[0] == "packages" || attrPath[0] == "devShells"))
)
{
diff --git a/src/nix/flake.md b/src/nix/flake.md
index d59915eeb..7d179a6c4 100644
--- a/src/nix/flake.md
+++ b/src/nix/flake.md
@@ -177,8 +177,8 @@ Currently the `type` attribute can be one of the following:
attribute `url`.
In URL form, the schema must be `http://`, `https://` or `file://`
- URLs and the extension must be `.zip`, `.tar`, `.tar.gz`, `.tar.xz`,
- `.tar.bz2` or `.tar.zst`.
+ URLs and the extension must be `.zip`, `.tar`, `.tgz`, `.tar.gz`,
+ `.tar.xz`, `.tar.bz2` or `.tar.zst`.
* `github`: A more efficient way to fetch repositories from
GitHub. The following attributes are required:
diff --git a/src/nix/fmt.cc b/src/nix/fmt.cc
new file mode 100644
index 000000000..e5d44bd38
--- /dev/null
+++ b/src/nix/fmt.cc
@@ -0,0 +1,53 @@
+#include "command.hh"
+#include "run.hh"
+
+using namespace nix;
+
+struct CmdFmt : SourceExprCommand {
+ std::vector<std::string> args;
+
+ CmdFmt() { expectArgs({.label = "args", .handler = {&args}}); }
+
+ std::string description() override {
+ return "reformat your code in the standard style";
+ }
+
+ std::string doc() override {
+ return
+ #include "fmt.md"
+ ;
+ }
+
+ Category category() override { return catSecondary; }
+
+ Strings getDefaultFlakeAttrPaths() override {
+ return Strings{"formatter." + settings.thisSystem.get()};
+ }
+
+ Strings getDefaultFlakeAttrPathPrefixes() override { return Strings{}; }
+
+ void run(ref<Store> store) {
+ auto evalState = getEvalState();
+ auto evalStore = getEvalStore();
+
+ auto installable = parseInstallable(store, ".");
+ auto app = installable->toApp(*evalState).resolve(evalStore, store);
+
+ Strings programArgs{app.program};
+
+ // Propagate arguments from the CLI
+ if (args.empty()) {
+ // Format the current flake out of the box
+ programArgs.push_back(".");
+ } else {
+ // User wants more power, let them decide which paths to include/exclude
+ for (auto &i : args) {
+ programArgs.push_back(i);
+ }
+ }
+
+ runProgramInStore(store, app.program, programArgs);
+ };
+};
+
+static auto r2 = registerCommand<CmdFmt>("fmt");
diff --git a/src/nix/fmt.md b/src/nix/fmt.md
new file mode 100644
index 000000000..1c78bb36f
--- /dev/null
+++ b/src/nix/fmt.md
@@ -0,0 +1,53 @@
+R""(
+
+# Examples
+
+With [nixpkgs-fmt](https://github.com/nix-community/nixpkgs-fmt):
+
+```nix
+# flake.nix
+{
+ outputs = { nixpkgs, self }: {
+ formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixpkgs-fmt;
+ };
+}
+```
+
+- Format the current flake: `$ nix fmt`
+
+- Format a specific folder or file: `$ nix fmt ./folder ./file.nix`
+
+With [nixfmt](https://github.com/serokell/nixfmt):
+
+```nix
+# flake.nix
+{
+ outputs = { nixpkgs, self }: {
+ formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.nixfmt;
+ };
+}
+```
+
+- Format specific files: `$ nix fmt ./file1.nix ./file2.nix`
+
+With [Alejandra](https://github.com/kamadorueda/alejandra):
+
+```nix
+# flake.nix
+{
+ outputs = { nixpkgs, self }: {
+ formatter.x86_64-linux = nixpkgs.legacyPackages.x86_64-linux.alejandra;
+ };
+}
+```
+
+- Format the current flake: `$ nix fmt`
+
+- Format a specific folder or file: `$ nix fmt ./folder ./file.nix`
+
+# Description
+
+`nix fmt` will rewrite all Nix files (\*.nix) to a canonical format
+using the formatter specified in your flake.
+
+)""
diff --git a/src/nix/repl.cc b/src/nix/repl.cc
index 1f9d4fb4e..0eb037858 100644
--- a/src/nix/repl.cc
+++ b/src/nix/repl.cc
@@ -33,6 +33,7 @@ extern "C" {
#include "command.hh"
#include "finally.hh"
#include "markdown.hh"
+#include "local-fs-store.hh"
#if HAVE_BOEHMGC
#define GC_INCLUDE_NEW
@@ -119,7 +120,7 @@ std::string runNix(Path program, const Strings & args,
});
if (!statusOk(res.first))
- throw ExecError(res.first, fmt("program '%1%' %2%", program, statusToString(res.first)));
+ throw ExecError(res.first, "program '%1%' %2%", program, statusToString(res.first));
return res.second;
}
@@ -419,7 +420,8 @@ bool NixRepl::processLine(std::string line)
<< " <expr> Evaluate and print expression\n"
<< " <x> = <expr> Bind expression to variable\n"
<< " :a <expr> Add attributes from resulting set to scope\n"
- << " :b <expr> Build derivation\n"
+ << " :b <expr> Build a derivation\n"
+ << " :bl <expr> Build a derivation, creating GC roots in the working directory\n"
<< " :e <expr> Open package or function in $EDITOR\n"
<< " :i <expr> Build derivation, then install result into current profile\n"
<< " :l <path> Load Nix expression and add it to scope\n"
@@ -502,18 +504,26 @@ bool NixRepl::processLine(std::string line)
runNix("nix-shell", {state->store->printStorePath(drvPath)});
}
- else if (command == ":b" || command == ":i" || command == ":s" || command == ":log") {
+ else if (command == ":b" || command == ":bl" || command == ":i" || command == ":s" || command == ":log") {
Value v;
evalString(arg, v);
StorePath drvPath = getDerivationPath(v);
Path drvPathRaw = state->store->printStorePath(drvPath);
- if (command == ":b") {
+ if (command == ":b" || command == ":bl") {
state->store->buildPaths({DerivedPath::Built{drvPath}});
auto drv = state->store->readDerivation(drvPath);
logger->cout("\nThis derivation produced the following outputs:");
- for (auto & [outputName, outputPath] : state->store->queryDerivationOutputMap(drvPath))
- logger->cout(" %s -> %s", outputName, state->store->printStorePath(outputPath));
+ for (auto & [outputName, outputPath] : state->store->queryDerivationOutputMap(drvPath)) {
+ auto localStore = state->store.dynamic_pointer_cast<LocalFSStore>();
+ if (localStore && command == ":bl") {
+ std::string symlink = "repl-result-" + outputName;
+ localStore->addPermRoot(outputPath, absPath(symlink));
+ logger->cout(" ./%s -> %s", symlink, state->store->printStorePath(outputPath));
+ } else {
+ logger->cout(" %s -> %s", outputName, state->store->printStorePath(outputPath));
+ }
+ }
} else if (command == ":i") {
runNix("nix-env", {"-i", drvPathRaw});
} else if (command == ":log") {
diff --git a/src/nix/search.cc b/src/nix/search.cc
index e9307342c..e96a85ea2 100644
--- a/src/nix/search.cc
+++ b/src/nix/search.cc
@@ -165,8 +165,8 @@ struct CmdSearch : InstallableCommand, MixJSON
}
};
- for (auto & [cursor, prefix] : installable->getCursors(*state))
- visit(*cursor, parseAttrPath(*state, prefix), true);
+ for (auto & cursor : installable->getCursors(*state))
+ visit(*cursor, cursor->getAttrPath(), true);
if (!json && !results)
throw Error("no results for the given search term(s)!");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 03:04:28 +0000