667 lines
26 KiB
Rust
667 lines
26 KiB
Rust
// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
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// file at the top-level directory of this distribution and at
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// http://rust-lang.org/COPYRIGHT.
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//
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// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
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// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
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// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
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// option. This file may not be copied, modified, or distributed
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// except according to those terms.
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//! Serialized configuration of a build.
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//!
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//! This module implements parsing `config.mk` and `config.toml` configuration
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//! files to tweak how the build runs.
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use std::collections::HashMap;
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use std::env;
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use std::fs::File;
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use std::io::prelude::*;
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use std::path::PathBuf;
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use std::process;
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use num_cpus;
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use rustc_serialize::Decodable;
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use toml::{Parser, Decoder, Value};
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use util::{exe, push_exe_path};
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/// Global configuration for the entire build and/or bootstrap.
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///
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/// This structure is derived from a combination of both `config.toml` and
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/// `config.mk`. As of the time of this writing it's unlikely that `config.toml`
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/// is used all that much, so this is primarily filled out by `config.mk` which
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/// is generated from `./configure`.
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///
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/// Note that this structure is not decoded directly into, but rather it is
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/// filled out from the decoded forms of the structs below. For documentation
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/// each field, see the corresponding fields in
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/// `src/bootstrap/config.toml.example`.
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#[derive(Default)]
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pub struct Config {
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pub ccache: Option<String>,
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pub ninja: bool,
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pub verbose: usize,
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pub submodules: bool,
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pub compiler_docs: bool,
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pub docs: bool,
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pub locked_deps: bool,
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pub vendor: bool,
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pub target_config: HashMap<String, Target>,
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pub full_bootstrap: bool,
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pub extended: bool,
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pub sanitizers: bool,
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pub profiler: bool,
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// llvm codegen options
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pub llvm_assertions: bool,
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pub llvm_optimize: bool,
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pub llvm_release_debuginfo: bool,
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pub llvm_version_check: bool,
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pub llvm_static_stdcpp: bool,
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pub llvm_link_shared: bool,
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pub llvm_targets: Option<String>,
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pub llvm_link_jobs: Option<u32>,
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pub llvm_clean_rebuild: bool,
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// rust codegen options
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pub rust_optimize: bool,
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pub rust_codegen_units: u32,
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pub rust_debug_assertions: bool,
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pub rust_debuginfo: bool,
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pub rust_debuginfo_lines: bool,
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pub rust_debuginfo_only_std: bool,
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pub rust_rpath: bool,
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pub rustc_default_linker: Option<String>,
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pub rustc_default_ar: Option<String>,
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pub rust_optimize_tests: bool,
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pub rust_debuginfo_tests: bool,
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pub rust_dist_src: bool,
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pub build: String,
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pub host: Vec<String>,
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pub target: Vec<String>,
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pub rustc: Option<PathBuf>,
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pub cargo: Option<PathBuf>,
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pub local_rebuild: bool,
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// dist misc
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pub dist_sign_folder: Option<PathBuf>,
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pub dist_upload_addr: Option<String>,
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pub dist_gpg_password_file: Option<PathBuf>,
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// libstd features
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pub debug_jemalloc: bool,
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pub use_jemalloc: bool,
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pub backtrace: bool, // support for RUST_BACKTRACE
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// misc
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pub low_priority: bool,
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pub channel: String,
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pub quiet_tests: bool,
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// Fallback musl-root for all targets
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pub musl_root: Option<PathBuf>,
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pub prefix: Option<PathBuf>,
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pub sysconfdir: Option<PathBuf>,
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pub docdir: Option<PathBuf>,
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pub bindir: Option<PathBuf>,
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pub libdir: Option<PathBuf>,
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pub libdir_relative: Option<PathBuf>,
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pub mandir: Option<PathBuf>,
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pub codegen_tests: bool,
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pub nodejs: Option<PathBuf>,
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pub gdb: Option<PathBuf>,
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pub python: Option<PathBuf>,
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pub configure_args: Vec<String>,
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pub openssl_static: bool,
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}
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/// Per-target configuration stored in the global configuration structure.
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#[derive(Default)]
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pub struct Target {
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pub llvm_config: Option<PathBuf>,
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pub jemalloc: Option<PathBuf>,
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pub cc: Option<PathBuf>,
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pub cxx: Option<PathBuf>,
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pub ndk: Option<PathBuf>,
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pub musl_root: Option<PathBuf>,
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pub qemu_rootfs: Option<PathBuf>,
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}
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/// Structure of the `config.toml` file that configuration is read from.
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///
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/// This structure uses `Decodable` to automatically decode a TOML configuration
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/// file into this format, and then this is traversed and written into the above
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/// `Config` structure.
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#[derive(RustcDecodable, Default)]
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struct TomlConfig {
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build: Option<Build>,
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install: Option<Install>,
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llvm: Option<Llvm>,
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rust: Option<Rust>,
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target: Option<HashMap<String, TomlTarget>>,
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dist: Option<Dist>,
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}
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/// TOML representation of various global build decisions.
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#[derive(RustcDecodable, Default, Clone)]
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struct Build {
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build: Option<String>,
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host: Vec<String>,
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target: Vec<String>,
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cargo: Option<String>,
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rustc: Option<String>,
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low_priority: Option<bool>,
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compiler_docs: Option<bool>,
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docs: Option<bool>,
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submodules: Option<bool>,
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gdb: Option<String>,
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locked_deps: Option<bool>,
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vendor: Option<bool>,
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nodejs: Option<String>,
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python: Option<String>,
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full_bootstrap: Option<bool>,
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extended: Option<bool>,
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verbose: Option<usize>,
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sanitizers: Option<bool>,
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profiler: Option<bool>,
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openssl_static: Option<bool>,
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}
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/// TOML representation of various global install decisions.
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#[derive(RustcDecodable, Default, Clone)]
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struct Install {
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prefix: Option<String>,
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sysconfdir: Option<String>,
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docdir: Option<String>,
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bindir: Option<String>,
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libdir: Option<String>,
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mandir: Option<String>,
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}
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/// TOML representation of how the LLVM build is configured.
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#[derive(RustcDecodable, Default)]
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struct Llvm {
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ccache: Option<StringOrBool>,
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ninja: Option<bool>,
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assertions: Option<bool>,
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optimize: Option<bool>,
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release_debuginfo: Option<bool>,
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version_check: Option<bool>,
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static_libstdcpp: Option<bool>,
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targets: Option<String>,
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link_jobs: Option<u32>,
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clean_rebuild: Option<bool>,
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}
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#[derive(RustcDecodable, Default, Clone)]
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struct Dist {
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sign_folder: Option<String>,
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gpg_password_file: Option<String>,
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upload_addr: Option<String>,
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src_tarball: Option<bool>,
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}
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#[derive(RustcDecodable)]
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enum StringOrBool {
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String(String),
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Bool(bool),
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}
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impl Default for StringOrBool {
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fn default() -> StringOrBool {
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StringOrBool::Bool(false)
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}
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}
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/// TOML representation of how the Rust build is configured.
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#[derive(RustcDecodable, Default)]
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struct Rust {
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optimize: Option<bool>,
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codegen_units: Option<u32>,
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debug_assertions: Option<bool>,
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debuginfo: Option<bool>,
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debuginfo_lines: Option<bool>,
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debuginfo_only_std: Option<bool>,
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debug_jemalloc: Option<bool>,
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use_jemalloc: Option<bool>,
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backtrace: Option<bool>,
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default_linker: Option<String>,
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default_ar: Option<String>,
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channel: Option<String>,
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musl_root: Option<String>,
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rpath: Option<bool>,
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optimize_tests: Option<bool>,
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debuginfo_tests: Option<bool>,
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codegen_tests: Option<bool>,
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}
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/// TOML representation of how each build target is configured.
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#[derive(RustcDecodable, Default)]
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struct TomlTarget {
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llvm_config: Option<String>,
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jemalloc: Option<String>,
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cc: Option<String>,
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cxx: Option<String>,
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android_ndk: Option<String>,
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musl_root: Option<String>,
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qemu_rootfs: Option<String>,
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}
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impl Config {
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pub fn parse(build: &str, file: Option<PathBuf>) -> Config {
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let mut config = Config::default();
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config.llvm_optimize = true;
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config.use_jemalloc = true;
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config.backtrace = true;
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config.rust_optimize = true;
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config.rust_optimize_tests = true;
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config.submodules = true;
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config.docs = true;
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config.rust_rpath = true;
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config.rust_codegen_units = 1;
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config.build = build.to_string();
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config.channel = "dev".to_string();
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config.codegen_tests = true;
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config.rust_dist_src = true;
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let toml = file.map(|file| {
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let mut f = t!(File::open(&file));
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let mut toml = String::new();
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t!(f.read_to_string(&mut toml));
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let mut p = Parser::new(&toml);
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let table = match p.parse() {
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Some(table) => table,
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None => {
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println!("failed to parse TOML configuration '{}':", file.to_str().unwrap());
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for err in p.errors.iter() {
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let (loline, locol) = p.to_linecol(err.lo);
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let (hiline, hicol) = p.to_linecol(err.hi);
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println!("{}:{}-{}:{}: {}", loline, locol, hiline,
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hicol, err.desc);
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}
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process::exit(2);
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}
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};
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let mut d = Decoder::new(Value::Table(table));
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match Decodable::decode(&mut d) {
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Ok(cfg) => cfg,
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Err(e) => {
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println!("failed to decode TOML: {}", e);
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process::exit(2);
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}
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}
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}).unwrap_or_else(|| TomlConfig::default());
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let build = toml.build.clone().unwrap_or(Build::default());
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set(&mut config.build, build.build.clone());
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config.host.push(config.build.clone());
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for host in build.host.iter() {
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if !config.host.contains(host) {
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config.host.push(host.clone());
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}
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}
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for target in config.host.iter().chain(&build.target) {
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if !config.target.contains(target) {
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config.target.push(target.clone());
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}
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}
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config.rustc = build.rustc.map(PathBuf::from);
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config.cargo = build.cargo.map(PathBuf::from);
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config.nodejs = build.nodejs.map(PathBuf::from);
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config.gdb = build.gdb.map(PathBuf::from);
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config.python = build.python.map(PathBuf::from);
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set(&mut config.low_priority, build.low_priority);
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set(&mut config.compiler_docs, build.compiler_docs);
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set(&mut config.docs, build.docs);
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set(&mut config.submodules, build.submodules);
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set(&mut config.locked_deps, build.locked_deps);
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set(&mut config.vendor, build.vendor);
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set(&mut config.full_bootstrap, build.full_bootstrap);
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set(&mut config.extended, build.extended);
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set(&mut config.verbose, build.verbose);
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set(&mut config.sanitizers, build.sanitizers);
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set(&mut config.profiler, build.profiler);
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set(&mut config.openssl_static, build.openssl_static);
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if let Some(ref install) = toml.install {
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config.prefix = install.prefix.clone().map(PathBuf::from);
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config.sysconfdir = install.sysconfdir.clone().map(PathBuf::from);
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config.docdir = install.docdir.clone().map(PathBuf::from);
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config.bindir = install.bindir.clone().map(PathBuf::from);
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config.libdir = install.libdir.clone().map(PathBuf::from);
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config.mandir = install.mandir.clone().map(PathBuf::from);
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}
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if let Some(ref llvm) = toml.llvm {
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match llvm.ccache {
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Some(StringOrBool::String(ref s)) => {
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config.ccache = Some(s.to_string())
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}
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Some(StringOrBool::Bool(true)) => {
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config.ccache = Some("ccache".to_string());
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}
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Some(StringOrBool::Bool(false)) | None => {}
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}
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set(&mut config.ninja, llvm.ninja);
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set(&mut config.llvm_assertions, llvm.assertions);
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set(&mut config.llvm_optimize, llvm.optimize);
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set(&mut config.llvm_release_debuginfo, llvm.release_debuginfo);
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set(&mut config.llvm_version_check, llvm.version_check);
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set(&mut config.llvm_static_stdcpp, llvm.static_libstdcpp);
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set(&mut config.llvm_clean_rebuild, llvm.clean_rebuild);
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config.llvm_targets = llvm.targets.clone();
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config.llvm_link_jobs = llvm.link_jobs;
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}
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if let Some(ref rust) = toml.rust {
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set(&mut config.rust_debug_assertions, rust.debug_assertions);
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set(&mut config.rust_debuginfo, rust.debuginfo);
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set(&mut config.rust_debuginfo_lines, rust.debuginfo_lines);
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set(&mut config.rust_debuginfo_only_std, rust.debuginfo_only_std);
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set(&mut config.rust_optimize, rust.optimize);
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set(&mut config.rust_optimize_tests, rust.optimize_tests);
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set(&mut config.rust_debuginfo_tests, rust.debuginfo_tests);
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set(&mut config.codegen_tests, rust.codegen_tests);
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set(&mut config.rust_rpath, rust.rpath);
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set(&mut config.debug_jemalloc, rust.debug_jemalloc);
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set(&mut config.use_jemalloc, rust.use_jemalloc);
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set(&mut config.backtrace, rust.backtrace);
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set(&mut config.channel, rust.channel.clone());
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config.rustc_default_linker = rust.default_linker.clone();
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config.rustc_default_ar = rust.default_ar.clone();
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config.musl_root = rust.musl_root.clone().map(PathBuf::from);
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match rust.codegen_units {
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Some(0) => config.rust_codegen_units = num_cpus::get() as u32,
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Some(n) => config.rust_codegen_units = n,
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None => {}
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}
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}
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if let Some(ref t) = toml.target {
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for (triple, cfg) in t {
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let mut target = Target::default();
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if let Some(ref s) = cfg.llvm_config {
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target.llvm_config = Some(env::current_dir().unwrap().join(s));
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}
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if let Some(ref s) = cfg.jemalloc {
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target.jemalloc = Some(env::current_dir().unwrap().join(s));
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}
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if let Some(ref s) = cfg.android_ndk {
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target.ndk = Some(env::current_dir().unwrap().join(s));
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}
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target.cxx = cfg.cxx.clone().map(PathBuf::from);
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target.cc = cfg.cc.clone().map(PathBuf::from);
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target.musl_root = cfg.musl_root.clone().map(PathBuf::from);
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target.qemu_rootfs = cfg.qemu_rootfs.clone().map(PathBuf::from);
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config.target_config.insert(triple.clone(), target);
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}
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}
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if let Some(ref t) = toml.dist {
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config.dist_sign_folder = t.sign_folder.clone().map(PathBuf::from);
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config.dist_gpg_password_file = t.gpg_password_file.clone().map(PathBuf::from);
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config.dist_upload_addr = t.upload_addr.clone();
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set(&mut config.rust_dist_src, t.src_tarball);
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}
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return config
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}
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/// "Temporary" routine to parse `config.mk` into this configuration.
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///
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/// While we still have `./configure` this implements the ability to decode
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/// that configuration into this. This isn't exactly a full-blown makefile
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/// parser, but hey it gets the job done!
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pub fn update_with_config_mk(&mut self) {
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let mut config = String::new();
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File::open("config.mk").unwrap().read_to_string(&mut config).unwrap();
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for line in config.lines() {
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let mut parts = line.splitn(2, ":=").map(|s| s.trim());
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let key = parts.next().unwrap();
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let value = match parts.next() {
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Some(n) if n.starts_with('\"') => &n[1..n.len() - 1],
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Some(n) => n,
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None => continue
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};
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macro_rules! check {
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($(($name:expr, $val:expr),)*) => {
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if value == "1" {
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$(
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if key == concat!("CFG_ENABLE_", $name) {
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$val = true;
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continue
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}
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if key == concat!("CFG_DISABLE_", $name) {
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$val = false;
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continue
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}
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)*
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}
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}
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}
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check! {
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("MANAGE_SUBMODULES", self.submodules),
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("COMPILER_DOCS", self.compiler_docs),
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("DOCS", self.docs),
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("LLVM_ASSERTIONS", self.llvm_assertions),
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("LLVM_RELEASE_DEBUGINFO", self.llvm_release_debuginfo),
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("OPTIMIZE_LLVM", self.llvm_optimize),
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("LLVM_VERSION_CHECK", self.llvm_version_check),
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("LLVM_STATIC_STDCPP", self.llvm_static_stdcpp),
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("LLVM_LINK_SHARED", self.llvm_link_shared),
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("LLVM_CLEAN_REBUILD", self.llvm_clean_rebuild),
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("OPTIMIZE", self.rust_optimize),
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("DEBUG_ASSERTIONS", self.rust_debug_assertions),
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("DEBUGINFO", self.rust_debuginfo),
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("DEBUGINFO_LINES", self.rust_debuginfo_lines),
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("DEBUGINFO_ONLY_STD", self.rust_debuginfo_only_std),
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("JEMALLOC", self.use_jemalloc),
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("DEBUG_JEMALLOC", self.debug_jemalloc),
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("RPATH", self.rust_rpath),
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("OPTIMIZE_TESTS", self.rust_optimize_tests),
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("DEBUGINFO_TESTS", self.rust_debuginfo_tests),
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("QUIET_TESTS", self.quiet_tests),
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("LOCAL_REBUILD", self.local_rebuild),
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("NINJA", self.ninja),
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("CODEGEN_TESTS", self.codegen_tests),
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("LOCKED_DEPS", self.locked_deps),
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("VENDOR", self.vendor),
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("FULL_BOOTSTRAP", self.full_bootstrap),
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("EXTENDED", self.extended),
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("SANITIZERS", self.sanitizers),
|
|
("PROFILER", self.profiler),
|
|
("DIST_SRC", self.rust_dist_src),
|
|
("CARGO_OPENSSL_STATIC", self.openssl_static),
|
|
}
|
|
|
|
match key {
|
|
"CFG_BUILD" if value.len() > 0 => self.build = value.to_string(),
|
|
"CFG_HOST" if value.len() > 0 => {
|
|
self.host.extend(value.split(" ").map(|s| s.to_string()));
|
|
|
|
}
|
|
"CFG_TARGET" if value.len() > 0 => {
|
|
self.target.extend(value.split(" ").map(|s| s.to_string()));
|
|
}
|
|
"CFG_MUSL_ROOT" if value.len() > 0 => {
|
|
self.musl_root = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_MUSL_ROOT_X86_64" if value.len() > 0 => {
|
|
let target = "x86_64-unknown-linux-musl".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.musl_root = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_MUSL_ROOT_I686" if value.len() > 0 => {
|
|
let target = "i686-unknown-linux-musl".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.musl_root = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_MUSL_ROOT_ARM" if value.len() > 0 => {
|
|
let target = "arm-unknown-linux-musleabi".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.musl_root = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_MUSL_ROOT_ARMHF" if value.len() > 0 => {
|
|
let target = "arm-unknown-linux-musleabihf".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.musl_root = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_MUSL_ROOT_ARMV7" if value.len() > 0 => {
|
|
let target = "armv7-unknown-linux-musleabihf".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.musl_root = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_DEFAULT_AR" if value.len() > 0 => {
|
|
self.rustc_default_ar = Some(value.to_string());
|
|
}
|
|
"CFG_DEFAULT_LINKER" if value.len() > 0 => {
|
|
self.rustc_default_linker = Some(value.to_string());
|
|
}
|
|
"CFG_GDB" if value.len() > 0 => {
|
|
self.gdb = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_RELEASE_CHANNEL" => {
|
|
self.channel = value.to_string();
|
|
}
|
|
"CFG_PREFIX" => {
|
|
self.prefix = Some(PathBuf::from(value));
|
|
}
|
|
"CFG_SYSCONFDIR" => {
|
|
self.sysconfdir = Some(PathBuf::from(value));
|
|
}
|
|
"CFG_DOCDIR" => {
|
|
self.docdir = Some(PathBuf::from(value));
|
|
}
|
|
"CFG_BINDIR" => {
|
|
self.bindir = Some(PathBuf::from(value));
|
|
}
|
|
"CFG_LIBDIR" => {
|
|
self.libdir = Some(PathBuf::from(value));
|
|
}
|
|
"CFG_LIBDIR_RELATIVE" => {
|
|
self.libdir_relative = Some(PathBuf::from(value));
|
|
}
|
|
"CFG_MANDIR" => {
|
|
self.mandir = Some(PathBuf::from(value));
|
|
}
|
|
"CFG_LLVM_ROOT" if value.len() > 0 => {
|
|
let target = self.target_config.entry(self.build.clone())
|
|
.or_insert(Target::default());
|
|
let root = parse_configure_path(value);
|
|
target.llvm_config = Some(push_exe_path(root, &["bin", "llvm-config"]));
|
|
}
|
|
"CFG_JEMALLOC_ROOT" if value.len() > 0 => {
|
|
let target = self.target_config.entry(self.build.clone())
|
|
.or_insert(Target::default());
|
|
target.jemalloc = Some(parse_configure_path(value).join("libjemalloc_pic.a"));
|
|
}
|
|
"CFG_ARM_LINUX_ANDROIDEABI_NDK" if value.len() > 0 => {
|
|
let target = "arm-linux-androideabi".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.ndk = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_ARMV7_LINUX_ANDROIDEABI_NDK" if value.len() > 0 => {
|
|
let target = "armv7-linux-androideabi".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.ndk = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_I686_LINUX_ANDROID_NDK" if value.len() > 0 => {
|
|
let target = "i686-linux-android".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.ndk = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_AARCH64_LINUX_ANDROID_NDK" if value.len() > 0 => {
|
|
let target = "aarch64-linux-android".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.ndk = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_X86_64_LINUX_ANDROID_NDK" if value.len() > 0 => {
|
|
let target = "x86_64-linux-android".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.ndk = Some(parse_configure_path(value));
|
|
}
|
|
"CFG_LOCAL_RUST_ROOT" if value.len() > 0 => {
|
|
let path = parse_configure_path(value);
|
|
self.rustc = Some(push_exe_path(path.clone(), &["bin", "rustc"]));
|
|
self.cargo = Some(push_exe_path(path, &["bin", "cargo"]));
|
|
}
|
|
"CFG_PYTHON" if value.len() > 0 => {
|
|
let path = parse_configure_path(value);
|
|
self.python = Some(path);
|
|
}
|
|
"CFG_ENABLE_CCACHE" if value == "1" => {
|
|
self.ccache = Some(exe("ccache", &self.build));
|
|
}
|
|
"CFG_ENABLE_SCCACHE" if value == "1" => {
|
|
self.ccache = Some(exe("sccache", &self.build));
|
|
}
|
|
"CFG_CONFIGURE_ARGS" if value.len() > 0 => {
|
|
self.configure_args = value.split_whitespace()
|
|
.map(|s| s.to_string())
|
|
.collect();
|
|
}
|
|
"CFG_QEMU_ARMHF_ROOTFS" if value.len() > 0 => {
|
|
let target = "arm-unknown-linux-gnueabihf".to_string();
|
|
let target = self.target_config.entry(target)
|
|
.or_insert(Target::default());
|
|
target.qemu_rootfs = Some(parse_configure_path(value));
|
|
}
|
|
_ => {}
|
|
}
|
|
}
|
|
}
|
|
|
|
pub fn verbose(&self) -> bool {
|
|
self.verbose > 0
|
|
}
|
|
|
|
pub fn very_verbose(&self) -> bool {
|
|
self.verbose > 1
|
|
}
|
|
}
|
|
|
|
#[cfg(not(windows))]
|
|
fn parse_configure_path(path: &str) -> PathBuf {
|
|
path.into()
|
|
}
|
|
|
|
#[cfg(windows)]
|
|
fn parse_configure_path(path: &str) -> PathBuf {
|
|
// on windows, configure produces unix style paths e.g. /c/some/path but we
|
|
// only want real windows paths
|
|
|
|
use std::process::Command;
|
|
use build_helper;
|
|
|
|
// '/' is invalid in windows paths, so we can detect unix paths by the presence of it
|
|
if !path.contains('/') {
|
|
return path.into();
|
|
}
|
|
|
|
let win_path = build_helper::output(Command::new("cygpath").arg("-w").arg(path));
|
|
let win_path = win_path.trim();
|
|
|
|
win_path.into()
|
|
}
|
|
|
|
fn set<T>(field: &mut T, val: Option<T>) {
|
|
if let Some(v) = val {
|
|
*field = v;
|
|
}
|
|
}
|