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cargo.ts
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import { filepaths, keyValue } from "@fig/autocomplete-generators";
const rustEditions: Fig.Suggestion[] = [
{
name: "2015",
description: "2015 edition",
},
{
name: "2018",
description: "2018 edition",
},
{
name: "2021",
description: "2021 edition",
},
];
const vcsOptions: {
name: string;
icon: string;
description: string;
}[] = [
{
name: "git",
icon: "fig://icon?type=git",
description: "Initialize with Git",
},
{
name: "hg",
icon: "⚗️",
description: "Initialize with Mercurial",
},
{
name: "pijul",
icon: "🦜",
description: "Initialize with Pijul",
},
{
name: "fossil",
icon: "🦴",
description: "Initialize with Fossil",
},
{
name: "none",
icon: "🚫",
description: "Initialize with no VCS",
},
];
// TODO(grant): add this back but better with no awk
// const testGenerator: Fig.Generator = {
// cache: {
// cacheByDirectory: true,
// strategy: "stale-while-revalidate",
// ttl: 1000 * 60 * 5,
// },
// script: (context) => {
// const base = context[context.length - 1];
// // allow split by single colon so that it triggers on a::b:
// const indexIntoModPath = Math.max(base.split(/::?/).length, 1);
// // split by :: so that tokens with a single colon are allowed
// const moduleTokens = base.split("::");
// const lastModule = moduleTokens.pop();
// // check if the token has a : on the end
// const hasColon = lastModule[lastModule.length - 1] == ":" ? ":" : "";
// return `cargo t -- --list | awk '/: test$/ { print substr($1, 1, length($1) - 1) }' | awk -F "::" '{ print "${hasColon}"$${indexIntoModPath},int( NF / ${indexIntoModPath} ) }'`;
// },
// postProcess: (out) => {
// return [...new Set(out.split("\n"))].map((line) => {
// const [display, last] = line.split(" ");
// const lastModule = parseInt(last);
// const displayName = display.replaceAll(":", "");
// const name = displayName.length
// ? `${display}${lastModule ? "" : "::"}`
// : "";
// return { name, displayName };
// });
// },
// trigger: ":",
// getQueryTerm: ":",
// };
type Metadata = {
packages: Package[];
resolve: Resolve;
workspace_root: string;
};
type Package = {
name: string;
version: string;
id: string;
description?: string;
source?: string;
targets: Target[];
dependencies: Dependency[];
};
type Target = {
name: string;
src_path: string;
kind: TargetKind[];
};
type Dependency = {
name: string;
req: string;
kind: "dev" | "build" | null;
target: string | null;
};
type TargetKind = "lib" | "bin" | "example" | "test" | "bench" | "custom-build";
type Resolve = {
root?: string;
};
const rootPackageOrLocal = (manifest: Metadata) => {
const rootManifestPath = `${manifest.workspace_root}/Cargo.toml`;
console.log(rootManifestPath);
const rootPackage = manifest.packages.find(
(pkg) => pkg.source === rootManifestPath
);
return rootPackage
? [rootPackage]
: manifest.packages.filter((pkg) => !pkg.source);
};
const packageGenerator: Fig.Generator = {
script: ["cargo", "metadata", "--format-version", "1", "--no-deps"],
postProcess: (data) => {
const manifest: Metadata = JSON.parse(data);
return manifest.packages.map((pkg) => {
return {
icon: "📦",
name: pkg.name,
description: `${pkg.version}${
pkg.description ? ` - ${pkg.description}` : ""
}`,
};
});
},
};
const directDependencyGenerator: Fig.Generator = {
script: ["cargo", "metadata", "--format-version", "1"],
postProcess: (data: string) => {
const manifest: Metadata = JSON.parse(data);
const packages = rootPackageOrLocal(manifest);
const deps = packages
.flatMap((pkg) => pkg.dependencies)
.map((dep) => ({
name: dep.name,
description: dep.req,
}));
return [...new Map(deps.map((dep) => [dep.name, dep])).values()];
},
};
const targetGenerator: ({ kind }: { kind?: TargetKind }) => Fig.Generator = ({
kind,
}) => ({
custom: async (_, executeShellCommand, context) => {
const { stdout } = await executeShellCommand({
command: "cargo",
args: ["metadata", "--format-version", "1", "--no-deps"],
});
const manifest: Metadata = JSON.parse(stdout);
const packages = rootPackageOrLocal(manifest);
let targets = packages.flatMap((pkg) => pkg.targets);
if (kind) {
targets = targets.filter((target) => target.kind.includes(kind));
}
return targets.map((pkg) => {
const path = pkg.src_path.replace(context.currentWorkingDirectory, "");
return {
icon: "🎯",
name: pkg.name,
description: path,
};
});
},
});
const dependencyGenerator: Fig.Generator = {
script: ["cargo", "metadata", "--format-version", "1"],
postProcess: (data: string) => {
const metadata: Metadata = JSON.parse(data);
return metadata.packages.map((pkg) => ({
name: pkg.name,
description: pkg.description,
}));
},
};
const featuresGenerator: Fig.Generator = {
script: ["cargo", "read-manifest"],
postProcess: (data: string) => {
const manifest = JSON.parse(data);
return Object.keys(manifest.features || {}).map((name) => ({
icon: "🎚",
name,
description: `Features: [${manifest.features[name].join(", ")}]`,
}));
},
};
const makeTasksGenerator: Fig.Generator = {
custom: async function (tokens, executeCommand) {
let makefileLocation = "Makefile.toml";
const makefileFlagIdx = tokens.findIndex((param) => param === "--makefile");
if (makefileFlagIdx !== -1 && tokens.length > makefileFlagIdx + 1)
makefileLocation = tokens[makefileFlagIdx + 1];
const args = [makefileLocation];
const { stdout } = await executeCommand({
command: "cat",
args,
});
const taskRegex = /\[tasks\.([^\]]+)\]/g;
let match;
const tasks = [];
while ((match = taskRegex.exec(stdout)) !== null) {
tasks.push({
name: match[1],
});
}
return tasks;
},
};
type CrateSearchResults = {
crates: Crate[];
};
type Crate = {
description?: string;
name: string;
newest_version: string;
recent_downloads: number;
};
type VersionSearchResults = {
versions: Version[];
};
type Version = {
num: string;
downloads: number;
created_at: string;
yanked: boolean;
};
// Search for crates
// If context is empty, return the most downloaded crates for the search term,
// if there is an `@` in the context, return the versions for the crate
const searchGenerator: Fig.Generator = {
custom: async (context, executeShellCommand) => {
const numberFormatter = new Intl.NumberFormat(undefined, {
notation: "compact",
compactDisplay: "short",
maximumSignificantDigits: 3,
});
const lastToken = context[context.length - 1];
if (lastToken.includes("@") && !lastToken.startsWith("@")) {
const [crate, _version] = lastToken.split("@");
const query = encodeURIComponent(crate);
const { stdout } = await executeShellCommand({
command: "curl",
args: ["-sfL", `https://crates.io/api/v1/crates/${query}/versions`],
});
const json: VersionSearchResults = JSON.parse(stdout);
return json.versions.map((version) => ({
name: `${crate}@${version.num}`,
insertValue: `${version.num}`,
description: `${numberFormatter.format(
version.downloads
)} downloads - ${new Date(version.created_at).toLocaleDateString()}`,
hidden: version.yanked,
}));
} else if (lastToken.length > 0) {
const query = encodeURIComponent(lastToken);
const [{ stdout: remoteStdout }, { stdout: localStdout }] =
await Promise.all([
executeShellCommand({
command: "curl",
args: [
"-sfL",
`https://crates.io/api/v1/crates?q=${query}&per_page=60`,
],
}),
executeShellCommand({
command: "cargo",
args: ["metadata", "--format-version", "1", "--no-deps"],
}),
]);
const remoteJson: CrateSearchResults = JSON.parse(remoteStdout);
const remoteSuggustions: Fig.Suggestion[] = remoteJson.crates
.sort((a, b) => b.recent_downloads - a.recent_downloads)
.map((crate) => ({
icon: "📦",
displayName: `${crate.name}@${crate.newest_version}`,
name: crate.name,
description: `${numberFormatter.format(crate.recent_downloads)}${
crate.description ? ` - ${crate.description}` : ""
}`,
}));
let localSuggestions: Fig.Suggestion[] = [];
if (localStdout.trim().length > 0) {
const localJson: Metadata = JSON.parse(localStdout);
localSuggestions = localJson.packages
.filter((pkg) => !pkg.source)
.map((pkg) => ({
icon: "📦",
displayName: `${pkg.name}@${pkg.version}`,
name: pkg.name,
description: `Local Crate ${pkg.version}${
pkg.description ? ` - ${pkg.description}` : ""
}`,
}));
}
return remoteSuggustions.concat(localSuggestions);
} else {
return [];
}
},
trigger: (oldTokens, newTokens) => {
const atIndexOld = oldTokens.indexOf("@");
const atIndexNew = newTokens.indexOf("@");
return (
(atIndexOld === -1 && atIndexNew === -1) || atIndexOld !== atIndexNew
);
},
getQueryTerm: "@",
};
const tripleGenerator: Fig.Generator = {
script: ["rustc", "--print", "target-list"],
postProcess: (data: string) => {
return data
.split("\n")
.filter((line) => line.trim() !== "")
.map((name) => ({
name,
}));
},
};
const tomlBool: Fig.Suggestion[] = [
{
name: "true",
},
{
name: "false",
},
];
const configPairs: Record<
string,
Omit<Fig.Suggestion, "name"> & {
tomlSuggestions?: Fig.Suggestion[];
}
> = {
"build.jobs": {
description:
"Sets the maximum number of compiler processes to run in parallel",
},
"build.rustc": {
description: "Path to the rustc compiler",
},
"build.rustc-wrapper": {
description: "Sets a wrapper to execute instead of rustc",
},
"build.target": {
description: "The default target platform triples to compile to",
},
"build.target-dir": {
description: "The path to where all compiler output is placed",
},
"build.rustflags": {
description: "Extra command-line flags to pass to rustc",
},
"build.rustdocflags": {
description: "Extra command-line flags to pass to rustdoc",
},
"build.incremental": {
description: "Whether or not to perform incremental compilation",
tomlSuggestions: tomlBool,
},
"build.dep-info-basedir": {
description: "Strips the given path prefix from dep info file paths",
},
"doc.browser": {
description:
"This option sets the browser to be used by cargo doc, overriding the BROWSER environment variable when opening documentation with the --open option",
},
"cargo-new.vcs": {
description:
"Specifies the source control system to use for initializing a new repository",
tomlSuggestions: vcsOptions.map((vcs) => ({
...vcs,
name: `\\"${vcs.name}\\"`,
insertValue: `\\"${vcs.name}\\"`,
})),
},
"future-incompat-report.frequency": {
description:
"Controls how often we display a notification to the terminal when a future incompat report is available",
tomlSuggestions: [
{
name: '\\"always\\"',
// eslint-disable-next-line @withfig/fig-linter/no-useless-insertvalue
insertValue: '\\"always\\"',
description:
"Always display a notification when a command (e.g. cargo build) produces a future incompat report",
},
{
name: '\\"never\\"',
// eslint-disable-next-line @withfig/fig-linter/no-useless-insertvalue
insertValue: '\\"never\\"',
description: "Never display a notification",
},
],
},
"http.debug": {
description: "If true, enables debugging of HTTP requests",
tomlSuggestions: tomlBool,
},
"http.proxy": {
description: "Sets an HTTP and HTTPS proxy to use",
},
"http.timeout": {
description: "Sets the timeout for each HTTP request, in seconds",
},
"http.cainfo": {
description: "Sets the path to a CA certificate bundle",
},
"http.check-revoke": {
description:
"This determines whether or not TLS certificate revocation checks should be performed. This only works on Windows",
tomlSuggestions: tomlBool,
},
"http.ssl-version": {
description: "This sets the minimum TLS version to use",
},
"http.low-speed-limit": {
description: "This setting controls timeout behavior for slow connections",
},
"http.multiplexing": {
description:
"When `true`, Cargo will attempt to use the HTTP2 protocol with multiplexing",
tomlSuggestions: tomlBool,
},
"http.user-agent": {
description: "Specifies a custom user-agent header to use",
},
"install.root": {
description:
"Sets the path to the root directory for installing executables for `cargo install`",
},
"net.retry": {
description: "Number of times to retry possibly spurious network errors",
},
"net.git-fetch-with-cli": {
description:
"If this is `true`, then Cargo will use the git executable to fetch registry indexes and git dependencies. If `false`, then it uses a built-in git library",
tomlSuggestions: tomlBool,
},
"net.offline": {
description:
"If this is true, then Cargo will avoid accessing the network, and attempt to proceed with locally cached data",
tomlSuggestions: tomlBool,
},
};
// Configs are in the format `key=value` where value is a toml value
const configGenerator: Fig.Generator = keyValue({
keys: Object.entries(configPairs).map(([key, other]) => ({
name: key,
...other,
})),
values: async (tokens, execute) => {
const key = tokens[tokens.length - 1].split("=")?.[0];
const pair = configPairs[key];
if (pair?.tomlSuggestions) {
return pair.tomlSuggestions;
}
},
separator: "=",
});
const completionSpec: (toolchain?: boolean) => Fig.Spec = (
toolchain = true
) => ({
name: "cargo",
icon: "📦",
description: "CLI Interface for Cargo",
subcommands: [
{
name: "bench",
icon: "📊",
description: "Execute all benchmarks of a local package",
options: [
{
name: "--bin",
description: "Benchmark only the specified binary",
isRepeatable: true,
args: {
name: "bin",
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "bin" }),
isVariadic: true,
},
},
{
name: "--example",
description: "Benchmark only the specified example",
isRepeatable: true,
args: {
name: "example",
isVariadic: true,
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "example" }),
},
},
{
name: "--test",
description: "Benchmark only the specified test target",
isRepeatable: true,
args: {
name: "test",
isVariadic: true,
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "test" }),
},
},
{
name: "--bench",
description: "Benchmark only the specified bench target",
isRepeatable: true,
args: {
name: "bench",
isVariadic: true,
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "bench" }),
},
},
{
name: ["-p", "--package"],
description: "Package to run benchmarks for",
isRepeatable: true,
args: {
name: "package",
isVariadic: true,
filterStrategy: "fuzzy",
generators: packageGenerator,
},
},
{
name: "--exclude",
description: "Exclude packages from the benchmark",
isRepeatable: true,
args: {
name: "exclude",
filterStrategy: "fuzzy",
generators: packageGenerator,
},
},
{
name: ["-j", "--jobs"],
description: "Number of parallel jobs, defaults to # of CPUs",
args: {
name: "jobs",
},
},
{
name: "--profile",
description: "Build artifacts with the specified profile",
args: {
name: "profile",
},
},
{
name: "--features",
description: "Space or comma separated list of features to activate",
isRepeatable: true,
args: {
name: "features",
generators: featuresGenerator,
isVariadic: true,
},
},
{
name: "--target",
description: "Build for the target triple",
isRepeatable: true,
args: {
name: "target",
filterStrategy: "fuzzy",
generators: tripleGenerator,
},
},
{
name: "--target-dir",
description: "Directory for all generated artifacts",
args: {
name: "target-dir",
},
},
{
name: "--manifest-path",
description: "Path to Cargo.toml",
args: {
name: "manifest-path",
generators: filepaths({ equals: "Cargo.toml" }),
},
},
{
name: "--message-format",
description: "Error format",
isRepeatable: true,
args: {
name: "message-format",
},
},
{
name: "--color",
description: "Coloring: auto, always, never",
args: {
name: "color",
suggestions: ["auto", "always", "never"],
},
},
{
name: "--config",
description: "Override a configuration value",
isRepeatable: true,
args: {
name: "config",
generators: configGenerator,
},
},
{
name: "-Z",
description:
"Unstable (nightly-only) flags to Cargo, see 'cargo -Z help' for details",
isRepeatable: true,
args: {
name: "unstable-features",
},
},
{
name: ["-q", "--quiet"],
description: "Do not print cargo log messages",
},
{
name: "--lib",
description: "Benchmark only this package's library",
},
{
name: "--bins",
description: "Benchmark all binaries",
},
{
name: "--examples",
description: "Benchmark all examples",
},
{
name: "--tests",
description: "Benchmark all tests",
},
{
name: "--benches",
description: "Benchmark all benches",
},
{
name: "--all-targets",
description: "Benchmark all targets",
},
{
name: "--no-run",
description: "Compile, but don't run benchmarks",
},
{
name: "--workspace",
description: "Benchmark all packages in the workspace",
},
{
name: "--all",
description: "Alias for --workspace (deprecated)",
hidden: true,
},
{
name: "--all-features",
description: "Activate all available features",
},
{
name: "--no-default-features",
description: "Do not activate the `default` feature",
},
{
name: "--ignore-rust-version",
description: "Ignore `rust-version` specification in packages",
},
{
name: "--no-fail-fast",
description: "Run all benchmarks regardless of failure",
},
{
name: "--unit-graph",
description: "Output build graph in JSON (unstable)",
},
{
name: ["-h", "--help"],
description: "Print help information",
},
{
name: ["-v", "--verbose"],
description: "Use verbose output (-vv very verbose/build.rs output)",
isRepeatable: true,
},
{
name: "--frozen",
description: "Require Cargo.lock and cache are up to date",
},
{
name: "--locked",
description: "Require Cargo.lock is up to date",
},
{
name: "--offline",
description: "Run without accessing the network",
},
{
name: "--timings",
description: "Timing output formats (unstable)",
},
],
args: [
{
name: "BENCHNAME",
},
{
name: "args",
isVariadic: true,
},
],
},
{
name: ["build", "b"],
icon: "📦",
description: "Compile a local package and all of its dependencies",
options: [
{
name: ["-p", "--package"],
description: "Package to build (see `cargo help pkgid`)",
isRepeatable: true,
args: {
name: "package",
isVariadic: true,
filterStrategy: "fuzzy",
generators: packageGenerator,
},
},
{
name: "--exclude",
description: "Exclude packages from the build",
isRepeatable: true,
args: {
name: "exclude",
filterStrategy: "fuzzy",
generators: packageGenerator,
},
},
{
name: ["-j", "--jobs"],
description: "Number of parallel jobs, defaults to # of CPUs",
args: {
name: "jobs",
},
},
{
name: "--bin",
description: "Build only the specified binary",
isRepeatable: true,
args: {
name: "bin",
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "bin" }),
isVariadic: true,
},
},
{
name: "--example",
description: "Build only the specified example",
isRepeatable: true,
args: {
name: "example",
isVariadic: true,
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "example" }),
},
},
{
name: "--test",
description: "Build only the specified test target",
isRepeatable: true,
args: {
name: "test",
isVariadic: true,
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "test" }),
},
},
{
name: "--bench",
description: "Build only the specified bench target",
isRepeatable: true,
args: {
name: "bench",
isVariadic: true,
filterStrategy: "fuzzy",
generators: targetGenerator({ kind: "bench" }),
},
},
{
name: "--profile",
description: "Build artifacts with the specified profile",
args: {
name: "profile",
},
},
{
name: "--features",
description: "Space or comma separated list of features to activate",
isRepeatable: true,
args: {
name: "features",
generators: featuresGenerator,
isVariadic: true,
},
},
{
name: "--target",
description: "Build for the target triple",
isRepeatable: true,
args: {
name: "target",
filterStrategy: "fuzzy",
generators: tripleGenerator,
},
},
{
name: "--target-dir",
description: "Directory for all generated artifacts",
args: {
name: "target-dir",
},
},
{
name: "--out-dir",
description: "Copy final artifacts to this directory (unstable)",
args: {
name: "out-dir",
},
},
{
name: "--manifest-path",
description: "Path to Cargo.toml",
args: {
name: "manifest-path",
generators: filepaths({ equals: "Cargo.toml" }),
},
},
{
name: "--message-format",
description: "Error format",
isRepeatable: true,
args: {
name: "message-format",
},
},
{
name: "--color",
description: "Coloring: auto, always, never",
args: {
name: "color",
suggestions: ["auto", "always", "never"],
},
},
{
name: "--config",
description: "Override a configuration value",
isRepeatable: true,
args: {
name: "config",
generators: configGenerator,
},
},
{
name: "-Z",
description:
"Unstable (nightly-only) flags to Cargo, see 'cargo -Z help' for details",
isRepeatable: true,
args: {
name: "unstable-features",
},
},
{
name: ["-q", "--quiet"],
description: "Do not print cargo log messages",
},
{
name: "--workspace",
description: "Build all packages in the workspace",
},
{
name: "--all",
description: "Alias for --workspace (deprecated)",
hidden: true,
},
{
name: "--lib",
description: "Build only this package's library",
},
{
name: "--bins",
description: "Build all binaries",
},
{
name: "--examples",
description: "Build all examples",
},
{
name: "--tests",
description: "Build all tests",
},
{
name: "--benches",
description: "Build all benches",
},
{
name: "--all-targets",
description: "Build all targets",
},
{
name: ["-r", "--release"],
description: "Build artifacts in release mode, with optimizations",
},
{
name: "--all-features",
description: "Activate all available features",
},
{
name: "--no-default-features",
description: "Do not activate the `default` feature",
},
{
name: "--ignore-rust-version",
description: "Ignore `rust-version` specification in packages",
},
{
name: "--build-plan",
description: "Output the build plan in JSON (unstable)",
},
{
name: "--unit-graph",
description: "Output build graph in JSON (unstable)",
},
{
name: "--future-incompat-report",
description:
"Outputs a future incompatibility report at the end of the build",
},
{
name: ["-h", "--help"],
description: "Print help information",
},
{
name: ["-v", "--verbose"],
description: "Use verbose output (-vv very verbose/build.rs output)",
isRepeatable: true,
},
{
name: "--frozen",
description: "Require Cargo.lock and cache are up to date",
},
{