feat(config): persist database URL to ~/.config/secrets/config.toml

- Add 'secrets config set-db/show/path' subcommands
- Remove dotenvy and DATABASE_URL env var support
- Config file created with 0600 permission
- Bump version to 0.3.0

Made-with: Cursor

Cargo.lock

@@ -305,6 +305,27 @@ dependencies = [
  "subtle",
 ]
 
+[[package]]
+name = "dirs"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3e8aa94d75141228480295a7d0e7feb620b1a5ad9f12bc40be62411e38cce4e"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e01a3366d27ee9890022452ee61b2b63a67e6f13f58900b651ff5665f0bb1fab"
+dependencies = [
+ "libc",
+ "option-ext",
+ "redox_users",
+ "windows-sys 0.61.2",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -892,6 +913,12 @@ version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
+[[package]]
+name = "option-ext"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
+
 [[package]]
 name = "parking"
 version = "2.2.1"
@@ -1075,6 +1102,17 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a4e608c6638b9c18977b00b475ac1f28d14e84b27d8d42f70e0bf1e3dec127ac"
+dependencies = [
+ "getrandom 0.2.17",
+ "libredox",
+ "thiserror",
+]
+
 [[package]]
 name = "ring"
 version = "0.17.14"
@@ -1163,12 +1201,12 @@ checksum = "94143f37725109f92c262ed2cf5e59bce7498c01bcc1502d7b9afe439a4e9f49"
 
 [[package]]
 name = "secrets"
-version = "0.2.0"
+version = "0.3.0"
 dependencies = [
  "anyhow",
  "chrono",
  "clap",
- "dotenvy",
+ "dirs",
  "serde",
  "serde_json",
  "sqlx",

Cargo.toml

@@ -1,13 +1,13 @@
 [package]
 name = "secrets"
-version = "0.2.0"
+version = "0.3.0"
 edition = "2024"
 
 [dependencies]
 anyhow = "1.0.102"
 chrono = { version = "0.4.44", features = ["serde"] }
 clap = { version = "4.6.0", features = ["derive", "env"] }
-dotenvy = "0.15.7"
+dirs = "6.0.0"
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = "1.0.149"
 sqlx = { version = "0.8.6", features = ["runtime-tokio", "tls-rustls", "postgres", "uuid", "json", "chrono"] }

src/commands/config.rs

@@ -0,0 +1,54 @@
+use crate::config::{self, Config, config_path};
+use anyhow::Result;
+
+pub enum ConfigAction {
+    SetDb { url: String },
+    Show,
+    Path,
+}
+
+pub async fn run(action: ConfigAction) -> Result<()> {
+    match action {
+        ConfigAction::SetDb { url } => {
+            let cfg = Config {
+                database_url: Some(url.clone()),
+            };
+            config::save_config(&cfg)?;
+            println!("✓ 数据库连接串已保存到: {}", config_path().display());
+            println!("  {}", mask_password(&url));
+        }
+        ConfigAction::Show => {
+            let cfg = config::load_config()?;
+            match cfg.database_url {
+                Some(url) => {
+                    println!("database_url = {}", mask_password(&url));
+                    println!("配置文件: {}", config_path().display());
+                }
+                None => {
+                    println!("未配置数据库连接串。");
+                    println!("请运行：secrets config set-db <DATABASE_URL>");
+                }
+            }
+        }
+        ConfigAction::Path => {
+            println!("{}", config_path().display());
+        }
+    }
+    Ok(())
+}
+
+/// 将 postgres://user:password@host/db 中的密码替换为 ***
+fn mask_password(url: &str) -> String {
+    if let Some(at_pos) = url.rfind('@')
+        && let Some(scheme_end) = url.find("://")
+    {
+        let prefix = &url[..scheme_end + 3];
+        let credentials = &url[scheme_end + 3..at_pos];
+        let rest = &url[at_pos..];
+        if let Some(colon_pos) = credentials.find(':') {
+            let user = &credentials[..colon_pos];
+            return format!("{}{}:***{}", prefix, user, rest);
+        }
+    }
+    url.to_string()
+}

src/commands/mod.rs

@@ -1,4 +1,5 @@
 pub mod add;
+pub mod config;
 pub mod delete;
 pub mod search;
 pub mod update;

src/config.rs

@@ -0,0 +1,70 @@
+use anyhow::{Context, Result};
+use serde::{Deserialize, Serialize};
+use std::fs;
+use std::path::PathBuf;
+
+#[derive(Debug, Serialize, Deserialize, Default)]
+pub struct Config {
+    pub database_url: Option<String>,
+}
+
+pub fn config_dir() -> PathBuf {
+    dirs::config_dir()
+        .unwrap_or_else(|| PathBuf::from("~/.config"))
+        .join("secrets")
+}
+
+pub fn config_path() -> PathBuf {
+    config_dir().join("config.toml")
+}
+
+pub fn load_config() -> Result<Config> {
+    let path = config_path();
+    if !path.exists() {
+        return Ok(Config::default());
+    }
+    let content = fs::read_to_string(&path)
+        .with_context(|| format!("读取配置文件失败: {}", path.display()))?;
+    let config: Config = toml::from_str(&content)
+        .with_context(|| format!("解析配置文件失败: {}", path.display()))?;
+    Ok(config)
+}
+
+pub fn save_config(config: &Config) -> Result<()> {
+    let dir = config_dir();
+    fs::create_dir_all(&dir).with_context(|| format!("创建配置目录失败: {}", dir.display()))?;
+
+    let path = config_path();
+    let content = toml::to_string_pretty(config).context("序列化配置失败")?;
+    fs::write(&path, &content).with_context(|| format!("写入配置文件失败: {}", path.display()))?;
+
+    // 设置文件权限为 0600（仅所有者读写）
+    #[cfg(unix)]
+    {
+        use std::os::unix::fs::PermissionsExt;
+        let perms = fs::Permissions::from_mode(0o600);
+        fs::set_permissions(&path, perms)
+            .with_context(|| format!("设置文件权限失败: {}", path.display()))?;
+    }
+
+    Ok(())
+}
+
+/// 按优先级解析数据库连接串：
+/// 1. --db-url CLI 参数（非空时使用）
+/// 2. ~/.config/secrets/config.toml 中的 database_url
+/// 3. 报错并提示用户配置
+pub fn resolve_db_url(cli_db_url: &str) -> Result<String> {
+    if !cli_db_url.is_empty() {
+        return Ok(cli_db_url.to_string());
+    }
+
+    let config = load_config()?;
+    if let Some(url) = config.database_url
+        && !url.is_empty()
+    {
+        return Ok(url);
+    }
+
+    anyhow::bail!("数据库未配置。请先运行：\n\n    secrets config set-db <DATABASE_URL>\n")
+}

src/main.rs

@@ -1,10 +1,10 @@
 mod commands;
+mod config;
 mod db;
 mod models;
 
 use anyhow::Result;
 use clap::{Parser, Subcommand};
-use dotenvy::dotenv;
 
 #[derive(Parser)]
 #[command(
@@ -13,8 +13,8 @@ use dotenvy::dotenv;
     about = "Secrets & config manager backed by PostgreSQL"
 )]
 struct Cli {
-    /// Database URL (or set DATABASE_URL env var)
+    /// Database URL, overrides saved config (one-time override)
-    #[arg(long, env = "DATABASE_URL", global = true, default_value = "")]
+    #[arg(long, global = true, default_value = "")]
     db_url: String,
 
     #[command(subcommand)]
@@ -107,22 +107,44 @@ enum Commands {
         #[arg(long = "remove-secret")]
         remove_secrets: Vec<String>,
     },
+
+    /// Manage CLI configuration (database connection, etc.)
+    Config {
+        #[command(subcommand)]
+        action: ConfigAction,
+    },
+}
+
+#[derive(Subcommand)]
+enum ConfigAction {
+    /// Save database URL to config file (~/.config/secrets/config.toml)
+    SetDb {
+        /// PostgreSQL connection string
+        url: String,
+    },
+    /// Show current configuration
+    Show,
+    /// Print path to config file
+    Path,
 }
 
 #[tokio::main]
 async fn main() -> Result<()> {
-    dotenv().ok();
-
     let cli = Cli::parse();
 
-    let db_url = if cli.db_url.is_empty() {
+    // config 子命令不需要数据库连接，提前处理
-        std::env::var("DATABASE_URL").map_err(|_| {
+    if let Commands::Config { action } = &cli.command {
-            anyhow::anyhow!("DATABASE_URL not set. Use --db-url or set DATABASE_URL env var.")
+        let cmd_action = match action {
-        })?
+            ConfigAction::SetDb { url } => {
-    } else {
+                commands::config::ConfigAction::SetDb { url: url.clone() }
-        cli.db_url.clone()
+            }
-    };
+            ConfigAction::Show => commands::config::ConfigAction::Show,
+            ConfigAction::Path => commands::config::ConfigAction::Path,
+        };
+        return commands::config::run(cmd_action).await;
+    }
 
+    let db_url = config::resolve_db_url(&cli.db_url)?;
     let pool = db::create_pool(&db_url).await?;
     db::migrate(&pool).await?;
 
@@ -188,6 +210,7 @@ async fn main() -> Result<()> {
             )
             .await?;
         }
+        Commands::Config { .. } => unreachable!(),
     }
 
     Ok(())