1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
use std::path::{Path, PathBuf};
use crate::config::ConfigInfo;
use crate::utils::{git_clone, run_command_with_output};
fn show_usage() {
println!(
r#"
`clone-gcc` command help:
--out-path : Location where the GCC repository will be cloned (default: `./gcc`)"#
);
ConfigInfo::show_usage();
println!(" --help : Show this help");
}
#[derive(Default)]
struct Args {
out_path: PathBuf,
config_info: ConfigInfo,
}
impl Args {
fn new() -> Result<Option<Self>, String> {
let mut command_args = Self::default();
let mut out_path = None;
// We skip binary name and the `clone-gcc` command.
let mut args = std::env::args().skip(2);
while let Some(arg) = args.next() {
match arg.as_str() {
"--out-path" => match args.next() {
Some(path) if !path.is_empty() => out_path = Some(path),
_ => {
return Err("Expected an argument after `--out-path`, found nothing".into());
}
},
"--help" => {
show_usage();
return Ok(None);
}
arg => {
if !command_args.config_info.parse_argument(arg, &mut args)? {
return Err(format!("Unknown option {arg}"));
}
}
}
}
command_args.out_path = match out_path {
Some(p) => p.into(),
None => PathBuf::from("./gcc"),
};
Ok(Some(command_args))
}
}
pub fn run() -> Result<(), String> {
let Some(args) = Args::new()? else {
return Ok(());
};
let result = git_clone("https://github.com/rust-lang/gcc", Some(&args.out_path), false)?;
if result.ran_clone {
let gcc_commit = args.config_info.get_gcc_commit()?;
println!("Checking out GCC commit `{gcc_commit}`...");
run_command_with_output(
&[&"git", &"checkout", &gcc_commit],
Some(Path::new(&result.repo_dir)),
)?;
} else {
println!(
"There is already a GCC folder in `{}`, leaving things as is...",
args.out_path.display()
);
}
Ok(())
}
|
