proto_go/
detect.rs

1use crate::GoLanguage;
2use proto_core::{async_trait, Detector, ProtoError};
3use starbase_utils::fs;
4use std::io::{BufRead, BufReader};
5use std::path::Path;
6
7static GOPREFIX: &str = "go ";
8
9#[async_trait]
10impl Detector<'_> for GoLanguage {
11    async fn detect_version_from(&self, working_dir: &Path) -> Result<Option<String>, ProtoError> {
12        let gowork = working_dir.join("go.work");
13
14        if gowork.exists() {
15            if let Some(version) = scan_for_go_version(&gowork) {
16                return Ok(Some(version));
17            }
18        }
19
20        let gomod = working_dir.join("go.mod");
21
22        if gomod.exists() {
23            if let Some(version) = scan_for_go_version(&gomod) {
24                return Ok(Some(version));
25            }
26        }
27
28        Ok(None)
29    }
30}
31
32fn scan_for_go_version(path: &Path) -> Option<String> {
33    if let Ok(file) = fs::open_file(path) {
34        let buffered = BufReader::new(file);
35
36        for line in buffered.lines().flatten() {
37            if let Some(version) = line.strip_prefix(GOPREFIX) {
38                return Some(version.into());
39            }
40        }
41    }
42
43    None
44}
proto_go/detect.rs

proto_go/
detect.rs
