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use std::{env, fs, io, path::PathBuf, process::Command};
use cargo_metadata::TargetKind;
use mingling::{
Grouped, LazyRes, RenderResult, Routable,
macros::{chain, command, metadata, pack_err, renderer, routeify},
metadata::Description,
};
use crate::{
Next, eprintln_cargo,
metadata::setup::ResMetadata,
pkg_mgr::{ErrorNoDataDirectory, ErrorRootPackageNotFound, ResPackagesDir},
println_cargo,
};
pack_err!(ErrorBuildFailed = String);
pack_err!(ErrorBinaryNotFound = String);
/// Resolved install paths, used by the build step.
#[derive(Debug, Default, Grouped)]
pub struct StateInstallBuild {
pub workspace_root: PathBuf,
pub install_dir: PathBuf,
pub release_dir: PathBuf,
pub exe_suffix: &'static str,
}
/// State after `cargo build --release`, used by the copy step.
#[derive(Debug, Default, Grouped)]
pub struct StateInstallCopy {
pub install_dir: PathBuf,
pub release_dir: PathBuf,
pub exe_suffix: &'static str,
pub installed: Vec<PathBuf>,
}
#[derive(Debug, Default, Grouped)]
pub struct ResultInstall {
pub install_dir: PathBuf,
pub installed: Vec<PathBuf>,
}
/// Parse arguments and resolve the install directory:
/// {data_dir}/.mingling/{PACKAGE_NAME}@{PACKAGE_VERSION}
#[metadata(EntryInstall)]
pub fn desc_install() -> Description {
"Install the project to the Mingling package list".into()
}
#[command(routeify)]
pub fn install(packages_dir: &ResPackagesDir, metadata: &mut LazyRes<ResMetadata>) -> Next {
let metadata = metadata.get_ref().data();
let packages_dir = &packages_dir.path;
if packages_dir.as_os_str().is_empty() {
return ErrorNoDataDirectory::default().to_chain();
}
let root_package = metadata
.root_package()
.or_else(|| metadata.workspace_packages().first().copied())
.ok_or(ErrorRootPackageNotFound::default())?;
StateInstallBuild {
workspace_root: metadata.workspace_root.clone().into_std_path_buf(),
install_dir: packages_dir.join(format!("{}@{}", root_package.name, root_package.version)),
release_dir: metadata
.target_directory
.join("release")
.into_std_path_buf(),
exe_suffix: env::consts::EXE_SUFFIX,
}
.to_chain()
}
/// Step 1: build release binaries.
#[chain(routeify)]
pub fn handle_state_install_build(state: StateInstallBuild) -> Next {
let status = Command::new("cargo")
.args(["build", "--release"])
.current_dir(&state.workspace_root)
.status()
.map_err(|e| {
ErrorBuildFailed::new(format!("failed to run `cargo build --release`: {e}"))
})?;
if !status.success() {
return ErrorBuildFailed::new(format!("`cargo build --release` failed with {status}"))
.to_chain();
}
StateInstallCopy {
install_dir: state.install_dir,
release_dir: state.release_dir,
exe_suffix: state.exe_suffix,
installed: vec![],
}
.to_chain()
}
/// Step 2: copy binaries and completion scripts.
#[chain(routeify)]
pub fn handle_state_install_copy(
mut state: StateInstallCopy,
metadata: &mut LazyRes<ResMetadata>,
) -> Next {
let metadata = metadata.get_ref().data();
fs::create_dir_all(&state.install_dir).map_err(|e| {
io::Error::new(
e.kind(),
format!("failed to create {}: {e}", state.install_dir.display()),
)
})?;
for package in metadata.workspace_packages() {
let bin_targets: Vec<_> = package
.targets
.iter()
.filter(|target| target.kind.contains(&TargetKind::Bin))
.collect();
for target in bin_targets {
let bin_file = format!("{}{}", target.name, state.exe_suffix);
let src = state.release_dir.join(&bin_file);
if !src.is_file() {
return ErrorBinaryNotFound::new(bin_file).to_chain();
}
let dst = state.install_dir.join(&bin_file);
fs::copy(&src, &dst).map_err(|e| {
io::Error::new(e.kind(), format!("failed to copy {}: {e}", src.display()))
})?;
state.installed.push(dst);
}
}
// Completion scripts are generated into the build profile directory
// (OUT_DIR/../../../), copy every one whose name contains `_comp`,
// regardless of its suffix
for entry in fs::read_dir(&state.release_dir).map_err(|e| {
io::Error::new(
e.kind(),
format!("failed to read {}: {e}", state.release_dir.display()),
)
})? {
let entry = entry.map_err(|e| {
io::Error::new(e.kind(), format!("failed to read directory entry: {e}"))
})?;
let name = entry.file_name().to_string_lossy().into_owned();
if name.contains("_comp") {
let dst = state.install_dir.join(&name);
fs::copy(entry.path(), &dst)
.map_err(|e| io::Error::new(e.kind(), format!("failed to copy {name}: {e}")))?;
state.installed.push(dst);
}
}
ResultInstall {
install_dir: state.install_dir,
installed: state.installed,
}
.to_chain()
}
#[renderer]
pub fn render_result_install(result: ResultInstall) -> RenderResult {
let mut r = RenderResult::new();
println_cargo!(r, "Installed: {}", result.install_dir.display());
for file in result.installed {
println_cargo!(r, "Copy: {}", file.display());
}
r
}
#[renderer]
pub fn render_error_build_failed(err: ErrorBuildFailed) -> RenderResult {
let mut r = RenderResult::new();
eprintln_cargo!(r, "{}", err.info);
r
}
#[renderer]
pub fn render_error_binary_not_found(err: ErrorBinaryNotFound) -> RenderResult {
let mut r = RenderResult::new();
eprintln_cargo!(r, "binary not found: {}", err.info);
r
}
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