51 lines
1.5 KiB
Rust
51 lines
1.5 KiB
Rust
use std::path::{Path, PathBuf};
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use std::process::{Command, Stdio};
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pub(crate) fn get_host_triple() -> String {
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let version_info =
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Command::new("rustc").stderr(Stdio::inherit()).args(&["-vV"]).output().unwrap().stdout;
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String::from_utf8(version_info)
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.unwrap()
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.lines()
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.to_owned()
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.find(|line| line.starts_with("host"))
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.unwrap()
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.split(":")
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.nth(1)
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.unwrap()
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.trim()
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.to_owned()
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}
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pub(crate) fn get_rustc_path() -> PathBuf {
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let rustc_path = Command::new("rustup")
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.stderr(Stdio::inherit())
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.args(&["which", "rustc"])
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.output()
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.unwrap()
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.stdout;
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Path::new(String::from_utf8(rustc_path).unwrap().trim()).to_owned()
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}
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pub(crate) fn get_default_sysroot() -> PathBuf {
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let default_sysroot = Command::new("rustc")
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.stderr(Stdio::inherit())
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.args(&["--print", "sysroot"])
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.output()
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.unwrap()
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.stdout;
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Path::new(String::from_utf8(default_sysroot).unwrap().trim()).to_owned()
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}
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pub(crate) fn get_dylib_name(crate_name: &str) -> String {
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let dylib_name = Command::new("rustc")
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.stderr(Stdio::inherit())
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.args(&["--crate-name", crate_name, "--crate-type", "dylib", "--print", "file-names", "-"])
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.output()
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.unwrap()
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.stdout;
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let dylib_name = String::from_utf8(dylib_name).unwrap().trim().to_owned();
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assert!(!dylib_name.contains('\n'));
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assert!(dylib_name.contains(crate_name));
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dylib_name
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}
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