tauri/core/tauri-build/src/lib.rs
Lucas Fernandes Nogueira 83a68deb56
refactor(core): allow referencing capabilities on the Tauri config file (#8797)
* refactor(core): capabilities must be referenced on the Tauri config file

* add all capabilities by default

* refactor(cli): reference all capabilities by default
2024-02-18 10:42:09 -03:00

775 lines
25 KiB
Rust

// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT
//! [![](https://github.com/tauri-apps/tauri/raw/dev/.github/splash.png)](https://tauri.app)
//!
//! This applies the macros at build-time in order to rig some special features needed by `cargo`.
#![doc(
html_logo_url = "https://github.com/tauri-apps/tauri/raw/dev/app-icon.png",
html_favicon_url = "https://github.com/tauri-apps/tauri/raw/dev/app-icon.png"
)]
#![cfg_attr(docsrs, feature(doc_cfg))]
use anyhow::Context;
pub use anyhow::Result;
use cargo_toml::Manifest;
use heck::AsShoutySnakeCase;
use tauri_utils::{
acl::build::parse_capabilities,
config::{BundleResources, Config, WebviewInstallMode},
resources::{external_binaries, ResourcePaths},
};
use std::{
collections::HashMap,
env::var_os,
fs::copy,
path::{Path, PathBuf},
};
mod acl;
#[cfg(feature = "codegen")]
mod codegen;
mod manifest;
mod mobile;
mod static_vcruntime;
#[cfg(feature = "codegen")]
#[cfg_attr(docsrs, doc(cfg(feature = "codegen")))]
pub use codegen::context::CodegenContext;
const PLUGIN_MANIFESTS_FILE_NAME: &str = "plugin-manifests.json";
const CAPABILITIES_FILE_NAME: &str = "capabilities.json";
fn copy_file(from: impl AsRef<Path>, to: impl AsRef<Path>) -> Result<()> {
let from = from.as_ref();
let to = to.as_ref();
if !from.exists() {
return Err(anyhow::anyhow!("{:?} does not exist", from));
}
if !from.is_file() {
return Err(anyhow::anyhow!("{:?} is not a file", from));
}
let dest_dir = to.parent().expect("No data in parent");
std::fs::create_dir_all(dest_dir)?;
std::fs::copy(from, to)?;
Ok(())
}
fn copy_binaries(
binaries: ResourcePaths,
target_triple: &str,
path: &Path,
package_name: Option<&String>,
) -> Result<()> {
for src in binaries {
let src = src?;
println!("cargo:rerun-if-changed={}", src.display());
let file_name = src
.file_name()
.expect("failed to extract external binary filename")
.to_string_lossy()
.replace(&format!("-{target_triple}"), "");
if package_name.map_or(false, |n| n == &file_name) {
return Err(anyhow::anyhow!(
"Cannot define a sidecar with the same name as the Cargo package name `{}`. Please change the sidecar name in the filesystem and the Tauri configuration.",
file_name
));
}
let dest = path.join(file_name);
if dest.exists() {
std::fs::remove_file(&dest).unwrap();
}
copy_file(&src, &dest)?;
}
Ok(())
}
/// Copies resources to a path.
fn copy_resources(resources: ResourcePaths<'_>, path: &Path) -> Result<()> {
for resource in resources.iter() {
let resource = resource?;
println!("cargo:rerun-if-changed={}", resource.path().display());
copy_file(resource.path(), path.join(resource.target()))?;
}
Ok(())
}
#[cfg(unix)]
fn symlink_dir(src: &Path, dst: &Path) -> std::io::Result<()> {
std::os::unix::fs::symlink(src, dst)
}
/// Makes a symbolic link to a directory.
#[cfg(windows)]
fn symlink_dir(src: &Path, dst: &Path) -> std::io::Result<()> {
std::os::windows::fs::symlink_dir(src, dst)
}
/// Makes a symbolic link to a file.
#[cfg(unix)]
fn symlink_file(src: &Path, dst: &Path) -> std::io::Result<()> {
std::os::unix::fs::symlink(src, dst)
}
/// Makes a symbolic link to a file.
#[cfg(windows)]
fn symlink_file(src: &Path, dst: &Path) -> std::io::Result<()> {
std::os::windows::fs::symlink_file(src, dst)
}
fn copy_dir(from: &Path, to: &Path) -> Result<()> {
for entry in walkdir::WalkDir::new(from) {
let entry = entry?;
debug_assert!(entry.path().starts_with(from));
let rel_path = entry.path().strip_prefix(from)?;
let dest_path = to.join(rel_path);
if entry.file_type().is_symlink() {
let target = std::fs::read_link(entry.path())?;
if entry.path().is_dir() {
symlink_dir(&target, &dest_path)?;
} else {
symlink_file(&target, &dest_path)?;
}
} else if entry.file_type().is_dir() {
std::fs::create_dir(dest_path)?;
} else {
std::fs::copy(entry.path(), dest_path)?;
}
}
Ok(())
}
// Copies the framework under `{src_dir}/{framework}.framework` to `{dest_dir}/{framework}.framework`.
fn copy_framework_from(src_dir: &Path, framework: &str, dest_dir: &Path) -> Result<bool> {
let src_name = format!("{}.framework", framework);
let src_path = src_dir.join(&src_name);
if src_path.exists() {
copy_dir(&src_path, &dest_dir.join(&src_name))?;
Ok(true)
} else {
Ok(false)
}
}
// Copies the macOS application bundle frameworks to the target folder
fn copy_frameworks(dest_dir: &Path, frameworks: &[String]) -> Result<()> {
std::fs::create_dir_all(dest_dir).with_context(|| {
format!(
"Failed to create frameworks output directory at {:?}",
dest_dir
)
})?;
for framework in frameworks.iter() {
if framework.ends_with(".framework") {
let src_path = PathBuf::from(framework);
let src_name = src_path
.file_name()
.expect("Couldn't get framework filename");
let dest_path = dest_dir.join(src_name);
copy_dir(&src_path, &dest_path)?;
continue;
} else if framework.ends_with(".dylib") {
let src_path = PathBuf::from(framework);
if !src_path.exists() {
return Err(anyhow::anyhow!("Library not found: {}", framework));
}
let src_name = src_path.file_name().expect("Couldn't get library filename");
let dest_path = dest_dir.join(src_name);
copy_file(&src_path, &dest_path)?;
continue;
} else if framework.contains('/') {
return Err(anyhow::anyhow!(
"Framework path should have .framework extension: {}",
framework
));
}
if let Some(home_dir) = dirs_next::home_dir() {
if copy_framework_from(&home_dir.join("Library/Frameworks/"), framework, dest_dir)? {
continue;
}
}
if copy_framework_from(&PathBuf::from("/Library/Frameworks/"), framework, dest_dir)?
|| copy_framework_from(
&PathBuf::from("/Network/Library/Frameworks/"),
framework,
dest_dir,
)?
{
continue;
}
}
Ok(())
}
// checks if the given Cargo feature is enabled.
fn has_feature(feature: &str) -> bool {
// when a feature is enabled, Cargo sets the `CARGO_FEATURE_<name` env var to 1
// https://doc.rust-lang.org/cargo/reference/environment-variables.html#environment-variables-cargo-sets-for-build-scripts
std::env::var(format!("CARGO_FEATURE_{}", AsShoutySnakeCase(feature)))
.map(|x| x == "1")
.unwrap_or(false)
}
// creates a cfg alias if `has_feature` is true.
// `alias` must be a snake case string.
fn cfg_alias(alias: &str, has_feature: bool) {
if has_feature {
println!("cargo:rustc-cfg={alias}");
}
}
/// Attributes used on Windows.
#[allow(dead_code)]
#[derive(Debug, Default)]
pub struct WindowsAttributes {
window_icon_path: Option<PathBuf>,
/// A string containing an [application manifest] to be included with the application on Windows.
///
/// Defaults to:
/// ```text
#[doc = include_str!("window-app-manifest.xml")]
/// ```
///
/// ## Warning
///
/// if you are using tauri's dialog APIs, you need to specify a dependency on Common Control v6 by adding the following to your custom manifest:
/// ```text
/// <dependency>
/// <dependentAssembly>
/// <assemblyIdentity
/// type="win32"
/// name="Microsoft.Windows.Common-Controls"
/// version="6.0.0.0"
/// processorArchitecture="*"
/// publicKeyToken="6595b64144ccf1df"
/// language="*"
/// />
/// </dependentAssembly>
/// </dependency>
/// ```
///
/// [application manifest]: https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests
app_manifest: Option<String>,
}
impl WindowsAttributes {
/// Creates the default attribute set.
pub fn new() -> Self {
Self::default()
}
/// Sets the icon to use on the window. Currently only used on Windows.
/// It must be in `ico` format. Defaults to `icons/icon.ico`.
#[must_use]
pub fn window_icon_path<P: AsRef<Path>>(mut self, window_icon_path: P) -> Self {
self
.window_icon_path
.replace(window_icon_path.as_ref().into());
self
}
/// Sets the [application manifest] to be included with the application on Windows.
///
/// Defaults to:
/// ```text
#[doc = include_str!("window-app-manifest.xml")]
/// ```
///
/// ## Warning
///
/// if you are using tauri's dialog APIs, you need to specify a dependency on Common Control v6 by adding the following to your custom manifest:
/// ```text
/// <dependency>
/// <dependentAssembly>
/// <assemblyIdentity
/// type="win32"
/// name="Microsoft.Windows.Common-Controls"
/// version="6.0.0.0"
/// processorArchitecture="*"
/// publicKeyToken="6595b64144ccf1df"
/// language="*"
/// />
/// </dependentAssembly>
/// </dependency>
/// ```
///
/// # Example
///
/// The following manifest will brand the exe as requesting administrator privileges.
/// Thus, everytime it is executed, a Windows UAC dialog will appear.
///
/// ```rust,no_run
/// let mut windows = tauri_build::WindowsAttributes::new();
/// windows = windows.app_manifest(r#"
/// <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0">
/// <trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
/// <security>
/// <requestedPrivileges>
/// <requestedExecutionLevel level="requireAdministrator" uiAccess="false" />
/// </requestedPrivileges>
/// </security>
/// </trustInfo>
/// </assembly>
/// "#);
/// let attrs = tauri_build::Attributes::new().windows_attributes(windows);
/// tauri_build::try_build(attrs).expect("failed to run build script");
/// ```
///
/// Note that you can move the manifest contents to a separate file and use `include_str!("manifest.xml")`
/// instead of the inline string.
///
/// [manifest]: https://learn.microsoft.com/en-us/windows/win32/sbscs/application-manifests
#[must_use]
pub fn app_manifest<S: AsRef<str>>(mut self, manifest: S) -> Self {
self.app_manifest = Some(manifest.as_ref().to_string());
self
}
}
/// Definition of a plugin that is part of the Tauri application instead of having its own crate.
///
/// By default it generates a plugin manifest that parses permissions from the `permissions/$plugin-name` directory.
/// To change the glob pattern that is used to find permissions, use [`Self::permissions_path_pattern`].
///
/// To autogenerate permissions for each of the plugin commands, see [`Self::commands`].
#[derive(Debug, Default)]
pub struct InlinedPlugin {
commands: &'static [&'static str],
permissions_path_pattern: Option<&'static str>,
}
impl InlinedPlugin {
pub fn new() -> Self {
Self::default()
}
/// Define a list of commands that gets permissions autogenerated in the format of `allow-$command` and `deny-$command`
/// where $command is the command in kebab-case.
pub fn commands(mut self, commands: &'static [&'static str]) -> Self {
self.commands = commands;
self
}
/// Sets a glob pattern that is used to find the permissions of this inlined plugin.
///
/// **Note:** You must emit [rerun-if-changed] instructions for the plugin permissions directory.
///
/// By default it is `./permissions/$plugin-name/**/*`
pub fn permissions_path_pattern(mut self, pattern: &'static str) -> Self {
self.permissions_path_pattern.replace(pattern);
self
}
}
/// The attributes used on the build.
#[derive(Debug, Default)]
pub struct Attributes {
#[allow(dead_code)]
windows_attributes: WindowsAttributes,
capabilities_path_pattern: Option<&'static str>,
#[cfg(feature = "codegen")]
codegen: Option<codegen::context::CodegenContext>,
inlined_plugins: HashMap<&'static str, InlinedPlugin>,
}
impl Attributes {
/// Creates the default attribute set.
pub fn new() -> Self {
Self::default()
}
/// Sets the icon to use on the window. Currently only used on Windows.
#[must_use]
pub fn windows_attributes(mut self, windows_attributes: WindowsAttributes) -> Self {
self.windows_attributes = windows_attributes;
self
}
/// Set the glob pattern to be used to find the capabilities.
///
/// **Note:** You must emit [rerun-if-changed] instructions for your capabilities directory.
///
/// [rerun-if-changed]: https://doc.rust-lang.org/cargo/reference/build-scripts.html#rerun-if-changed
#[must_use]
pub fn capabilities_path_pattern(mut self, pattern: &'static str) -> Self {
self.capabilities_path_pattern.replace(pattern);
self
}
/// Adds the given plugin to the list of inlined plugins (a plugin that is part of your application).
///
/// See [`InlinedPlugin`] for more information.
pub fn plugin(mut self, name: &'static str, plugin: InlinedPlugin) -> Self {
self.inlined_plugins.insert(name, plugin);
self
}
#[cfg(feature = "codegen")]
#[cfg_attr(docsrs, doc(cfg(feature = "codegen")))]
#[must_use]
pub fn codegen(mut self, codegen: codegen::context::CodegenContext) -> Self {
self.codegen.replace(codegen);
self
}
}
/// Run all build time helpers for your Tauri Application.
///
/// The current helpers include the following:
/// * Generates a Windows Resource file when targeting Windows.
///
/// # Platforms
///
/// [`build()`] should be called inside of `build.rs` regardless of the platform:
/// * New helpers may target more platforms in the future.
/// * Platform specific code is handled by the helpers automatically.
/// * A build script is required in order to activate some cargo environmental variables that are
/// used when generating code and embedding assets - so [`build()`] may as well be called.
///
/// In short, this is saying don't put the call to [`build()`] behind a `#[cfg(windows)]`.
///
/// # Panics
///
/// If any of the build time helpers fail, they will [`std::panic!`] with the related error message.
/// This is typically desirable when running inside a build script; see [`try_build`] for no panics.
pub fn build() {
if let Err(error) = try_build(Attributes::default()) {
let error = format!("{error:#}");
println!("{error}");
if error.starts_with("unknown field") {
print!("found an unknown configuration field. This usually means that you are using a CLI version that is newer than `tauri-build` and is incompatible. ");
println!(
"Please try updating the Rust crates by running `cargo update` in the Tauri app folder."
);
}
std::process::exit(1);
}
}
/// Non-panicking [`build()`].
#[allow(unused_variables)]
pub fn try_build(attributes: Attributes) -> Result<()> {
use anyhow::anyhow;
println!("cargo:rerun-if-env-changed=TAURI_CONFIG");
#[cfg(feature = "config-json")]
println!("cargo:rerun-if-changed=tauri.conf.json");
#[cfg(feature = "config-json5")]
println!("cargo:rerun-if-changed=tauri.conf.json5");
#[cfg(feature = "config-toml")]
println!("cargo:rerun-if-changed=Tauri.toml");
let target_os = std::env::var("CARGO_CFG_TARGET_OS").unwrap();
let mobile = target_os == "ios" || target_os == "android";
cfg_alias("desktop", !mobile);
cfg_alias("mobile", mobile);
let target_triple = std::env::var("TARGET").unwrap();
let target = tauri_utils::platform::Target::from_triple(&target_triple);
let mut config = serde_json::from_value(tauri_utils::config::parse::read_from(
target,
std::env::current_dir().unwrap(),
)?)?;
if let Ok(env) = std::env::var("TAURI_CONFIG") {
let merge_config: serde_json::Value = serde_json::from_str(&env)?;
json_patch::merge(&mut config, &merge_config);
}
let config: Config = serde_json::from_value(config)?;
let s = config.identifier.split('.');
let last = s.clone().count() - 1;
let mut android_package_prefix = String::new();
for (i, w) in s.enumerate() {
if i == 0 || i != last {
android_package_prefix.push_str(w);
android_package_prefix.push('_');
}
}
android_package_prefix.pop();
println!("cargo:rustc-env=TAURI_ANDROID_PACKAGE_PREFIX={android_package_prefix}");
if let Some(project_dir) = var_os("TAURI_ANDROID_PROJECT_PATH").map(PathBuf::from) {
mobile::generate_gradle_files(project_dir)?;
}
cfg_alias("dev", !has_feature("custom-protocol"));
let ws_path = get_workspace_dir()?;
let mut manifest =
Manifest::<cargo_toml::Value>::from_slice_with_metadata(&std::fs::read("Cargo.toml")?)?;
if let Ok(ws_manifest) = Manifest::from_path(ws_path.join("Cargo.toml")) {
Manifest::complete_from_path_and_workspace(
&mut manifest,
Path::new("Cargo.toml"),
Some((&ws_manifest, ws_path.as_path())),
)?;
} else {
Manifest::complete_from_path(&mut manifest, Path::new("Cargo.toml"))?;
}
let out_dir = PathBuf::from(std::env::var("OUT_DIR").unwrap());
manifest::check(&config, &mut manifest)?;
let mut plugin_manifests = acl::get_plugin_manifests()?;
for (name, plugin) in attributes.inlined_plugins {
let plugin_out_dir = out_dir.join("plugins").join(name);
let mut permission_files = if plugin.commands.is_empty() {
Vec::new()
} else {
tauri_utils::acl::build::autogenerate_command_permissions(
&plugin_out_dir,
plugin.commands,
"",
);
tauri_utils::acl::build::define_permissions(
&plugin_out_dir.join("*").to_string_lossy(),
name,
&plugin_out_dir,
)?
};
if let Some(pattern) = plugin.permissions_path_pattern {
permission_files.extend(tauri_utils::acl::build::define_permissions(
pattern,
name,
&plugin_out_dir,
)?);
} else {
let default_permissions_path = Path::new("permissions").join(name);
println!(
"cargo:rerun-if-changed={}",
default_permissions_path.display()
);
permission_files.extend(tauri_utils::acl::build::define_permissions(
&default_permissions_path
.join("**")
.join("*")
.to_string_lossy(),
name,
&plugin_out_dir,
)?);
}
let manifest = tauri_utils::acl::plugin::Manifest::new(permission_files, None);
plugin_manifests.insert(name.into(), manifest);
}
std::fs::write(
out_dir.join(PLUGIN_MANIFESTS_FILE_NAME),
serde_json::to_string(&plugin_manifests)?,
)?;
let capabilities = if let Some(pattern) = attributes.capabilities_path_pattern {
parse_capabilities(pattern)?
} else {
println!("cargo:rerun-if-changed=capabilities");
parse_capabilities("./capabilities/**/*")?
};
acl::generate_schema(&plugin_manifests, target)?;
acl::validate_capabilities(&plugin_manifests, &capabilities)?;
let capabilities_path = acl::save_capabilities(&capabilities)?;
copy(capabilities_path, out_dir.join(CAPABILITIES_FILE_NAME))?;
acl::save_plugin_manifests(&plugin_manifests)?;
println!("cargo:rustc-env=TAURI_ENV_TARGET_TRIPLE={target_triple}");
// TODO: far from ideal, but there's no other way to get the target dir, see <https://github.com/rust-lang/cargo/issues/5457>
let target_dir = out_dir
.parent()
.unwrap()
.parent()
.unwrap()
.parent()
.unwrap();
if let Some(paths) = &config.bundle.external_bin {
copy_binaries(
ResourcePaths::new(external_binaries(paths, &target_triple).as_slice(), true),
&target_triple,
target_dir,
manifest.package.as_ref().map(|p| &p.name),
)?;
}
#[allow(unused_mut, clippy::redundant_clone)]
let mut resources = config
.bundle
.resources
.clone()
.unwrap_or_else(|| BundleResources::List(Vec::new()));
if target_triple.contains("windows") {
if let Some(fixed_webview2_runtime_path) =
match &config.bundle.windows.webview_fixed_runtime_path {
Some(path) => Some(path),
None => match &config.bundle.windows.webview_install_mode {
WebviewInstallMode::FixedRuntime { path } => Some(path),
_ => None,
},
}
{
resources.push(fixed_webview2_runtime_path.display().to_string());
}
}
match resources {
BundleResources::List(res) => {
copy_resources(ResourcePaths::new(res.as_slice(), true), target_dir)?
}
BundleResources::Map(map) => copy_resources(ResourcePaths::from_map(&map, true), target_dir)?,
}
if target_triple.contains("darwin") {
if let Some(frameworks) = &config.bundle.macos.frameworks {
if !frameworks.is_empty() {
let frameworks_dir = target_dir.parent().unwrap().join("Frameworks");
let _ = std::fs::remove_dir_all(&frameworks_dir);
// copy frameworks to the root `target` folder (instead of `target/debug` for instance)
// because the rpath is set to `@executable_path/../Frameworks`.
copy_frameworks(&frameworks_dir, frameworks)?;
// If we have frameworks, we need to set the @rpath
// https://github.com/tauri-apps/tauri/issues/7710
println!("cargo:rustc-link-arg=-Wl,-rpath,@executable_path/../Frameworks");
}
}
if let Some(version) = &config.bundle.macos.minimum_system_version {
println!("cargo:rustc-env=MACOSX_DEPLOYMENT_TARGET={version}");
}
}
if target_triple.contains("windows") {
use semver::Version;
use tauri_winres::{VersionInfo, WindowsResource};
fn find_icon<F: Fn(&&String) -> bool>(config: &Config, predicate: F, default: &str) -> PathBuf {
let icon_path = config
.bundle
.icon
.iter()
.find(|i| predicate(i))
.cloned()
.unwrap_or_else(|| default.to_string());
icon_path.into()
}
let window_icon_path = attributes
.windows_attributes
.window_icon_path
.unwrap_or_else(|| find_icon(&config, |i| i.ends_with(".ico"), "icons/icon.ico"));
let mut res = WindowsResource::new();
if let Some(manifest) = attributes.windows_attributes.app_manifest {
res.set_manifest(&manifest);
} else {
res.set_manifest(include_str!("window-app-manifest.xml"));
}
if let Some(version_str) = &config.version {
if let Ok(v) = Version::parse(version_str) {
let version = v.major << 48 | v.minor << 32 | v.patch << 16;
res.set_version_info(VersionInfo::FILEVERSION, version);
res.set_version_info(VersionInfo::PRODUCTVERSION, version);
}
}
if let Some(product_name) = &config.product_name {
res.set("ProductName", product_name);
}
if let Some(short_description) = &config.bundle.short_description {
res.set("FileDescription", short_description);
}
if let Some(copyright) = &config.bundle.copyright {
res.set("LegalCopyright", copyright);
}
if window_icon_path.exists() {
res.set_icon_with_id(&window_icon_path.display().to_string(), "32512");
} else {
return Err(anyhow!(format!(
"`{}` not found; required for generating a Windows Resource file during tauri-build",
window_icon_path.display()
)));
}
res.compile().with_context(|| {
format!(
"failed to compile `{}` into a Windows Resource file during tauri-build",
window_icon_path.display()
)
})?;
let target_env = std::env::var("CARGO_CFG_TARGET_ENV").unwrap();
match target_env.as_str() {
"gnu" => {
let target_arch = match std::env::var("CARGO_CFG_TARGET_ARCH").unwrap().as_str() {
"x86_64" => Some("x64"),
"x86" => Some("x86"),
"aarch64" => Some("arm64"),
arch => None,
};
if let Some(target_arch) = target_arch {
for entry in std::fs::read_dir(target_dir.join("build"))? {
let path = entry?.path();
let webview2_loader_path = path
.join("out")
.join(target_arch)
.join("WebView2Loader.dll");
if path.to_string_lossy().contains("webview2-com-sys") && webview2_loader_path.exists()
{
std::fs::copy(webview2_loader_path, target_dir.join("WebView2Loader.dll"))?;
break;
}
}
}
}
"msvc" => {
if std::env::var("STATIC_VCRUNTIME").map_or(false, |v| v == "true") {
static_vcruntime::build();
}
}
_ => (),
}
}
#[cfg(feature = "codegen")]
if let Some(codegen) = attributes.codegen {
codegen.try_build()?;
}
Ok(())
}
#[derive(serde::Deserialize)]
struct CargoMetadata {
workspace_root: PathBuf,
}
fn get_workspace_dir() -> Result<PathBuf> {
let output = std::process::Command::new("cargo")
.args(["metadata", "--no-deps", "--format-version", "1"])
.output()?;
if !output.status.success() {
return Err(anyhow::anyhow!(
"cargo metadata command exited with a non zero exit code: {}",
String::from_utf8(output.stderr)?
));
}
Ok(serde_json::from_slice::<CargoMetadata>(&output.stdout)?.workspace_root)
}