tideway_cli/
env.rs

1//! Shared environment helpers for CLI commands.
2
3use anyhow::{Context, Result};
4use std::collections::BTreeMap;
5use std::fs;
6use std::path::Path;
7
8use crate::{error_contract, print_success, print_warning};
9
10pub fn ensure_project_dir(project_dir: &Path) -> Result<()> {
11    let cargo_toml = project_dir.join("Cargo.toml");
12    if !cargo_toml.exists() {
13        return Err(anyhow::anyhow!(error_contract(
14            &format!("Cargo.toml not found in {}", project_dir.display()),
15            "Run this command in a Rust project root.",
16            "For a new app, run `tideway new <app>` first."
17        )));
18    }
19
20    let main_rs = project_dir.join("src").join("main.rs");
21    if !main_rs.exists() {
22        print_warning(
23            "src/main.rs not found (advanced: run `tideway init` for existing projects; for greenfield apps use `tideway new <app>`)",
24        );
25    }
26
27    Ok(())
28}
29
30pub fn ensure_env(project_dir: &Path, fix_env: bool) -> Result<()> {
31    let env_path = project_dir.join(".env");
32    if env_path.exists() {
33        return Ok(());
34    }
35
36    let env_example_path = project_dir.join(".env.example");
37    if !env_example_path.exists() {
38        print_warning(".env not found and .env.example is missing");
39        return Ok(());
40    }
41
42    if fix_env {
43        fs::copy(&env_example_path, &env_path)
44            .with_context(|| format!("Failed to copy {}", env_example_path.display()))?;
45        print_success("Created .env from .env.example");
46        return Ok(());
47    }
48
49    print_warning("Missing .env (copy .env.example or run with --fix-env)");
50    Ok(())
51}
52
53pub fn read_env_map(path: &Path) -> Option<BTreeMap<String, String>> {
54    let contents = fs::read_to_string(path).ok()?;
55    Some(parse_env_map(&contents))
56}
57
58fn parse_env_map(contents: &str) -> BTreeMap<String, String> {
59    let mut vars = BTreeMap::new();
60    for line in contents.lines() {
61        let trimmed = line.trim();
62        if trimmed.is_empty() || trimmed.starts_with('#') {
63            continue;
64        }
65        if let Some((key, value)) = trimmed.split_once('=') {
66            let key = key.trim();
67            if !key.is_empty() {
68                let value = value.trim().trim_matches('"').trim_matches('\'');
69                vars.insert(key.to_string(), value.to_string());
70            }
71        }
72    }
73    vars
74}
tideway_cli/env.rs

tideway_cli/
env.rs
