refactor: Refactored the library for gman so that it dynamically names config and password files to be used across any application

src/bin/gman/cli.rs

@@ -323,6 +323,7 @@ pub fn secrets_completer(current: &OsStr) -> Vec<CompletionCandidate> {
 mod tests {
     use super::*;
     use crate::cli::generate_files_secret_injections;
+    use gman::config::get_config_file_path;
     use gman::config::{Config, RunConfig};
     use pretty_assertions::{assert_eq, assert_str_eq};
     use serial_test::serial;
@@ -436,9 +437,10 @@ mod tests {
     fn test_run_config_completer_filters_by_prefix() {
         let td = tempdir().unwrap();
         let xdg = td.path().join("xdg");
-        let app_dir = xdg.join("gman");
-        fs::create_dir_all(&app_dir).unwrap();
         unsafe { std_env::set_var("XDG_CONFIG_HOME", &xdg) };
+        let cfg_path = get_config_file_path().unwrap();
+        let app_dir = cfg_path.parent().unwrap().to_path_buf();
+        fs::create_dir_all(&app_dir).unwrap();
 
         let yaml = indoc::indoc! {
             "---
@@ -471,9 +473,10 @@ mod tests {
     fn test_provider_completer_lists_matching_providers() {
         let td = tempdir().unwrap();
         let xdg = td.path().join("xdg");
-        let app_dir = xdg.join("gman");
-        fs::create_dir_all(&app_dir).unwrap();
         unsafe { std_env::set_var("XDG_CONFIG_HOME", &xdg) };
+        let cfg_path = get_config_file_path().unwrap();
+        let app_dir = cfg_path.parent().unwrap().to_path_buf();
+        fs::create_dir_all(&app_dir).unwrap();
 
         let yaml = indoc::indoc! {
             "---
@@ -508,9 +511,10 @@ mod tests {
     async fn test_secrets_completer_filters_keys_by_prefix() {
         let td = tempdir().unwrap();
         let xdg = td.path().join("xdg");
-        let app_dir = xdg.join("gman");
-        fs::create_dir_all(&app_dir).unwrap();
         unsafe { std_env::set_var("XDG_CONFIG_HOME", &xdg) };
+        let cfg_path = get_config_file_path().unwrap();
+        let app_dir = cfg_path.parent().unwrap().to_path_buf();
+        fs::create_dir_all(&app_dir).unwrap();
 
         let yaml = indoc::indoc! {
             "---

src/bin/gman/utils.rs

@@ -46,7 +46,7 @@ pub fn init_logging_config() -> log4rs::Config {
 
 pub fn get_log_path() -> PathBuf {
     let base_dir = dirs::cache_dir().unwrap_or_else(env::temp_dir);
-    let log_dir = base_dir.join("gman");
+    let log_dir = base_dir.join(env!("CARGO_CRATE_NAME"));
 
     let dir = if let Err(e) = fs::create_dir_all(&log_dir) {
         eprintln!(
@@ -77,7 +77,7 @@ pub fn persist_config_file(config: &Config) -> Result<()> {
         fs::write(&config_path, s)
             .with_context(|| format!("failed to write {}", config_path.display()))?;
     } else {
-        confy::store("gman", "config", config)
+        confy::store(env!("CARGO_CRATE_NAME"), "config", config)
             .with_context(|| "failed to save updated config via confy")?;
     }
 

src/config.rs

@@ -21,6 +21,7 @@
 //! rc.validate().unwrap();
 //! ```
 
+use crate::calling_app_name;
 use crate::providers::local::LocalProvider;
 use crate::providers::{SecretProvider, SupportedProvider};
 use anyhow::{Context, Result};
@@ -268,21 +269,18 @@ impl Config {
 
     /// Discover the default password file for the local provider.
     ///
-    /// On most systems this resolves to `~/.gman_password` when the file
+    /// On most systems this resolves to `~/.<executable_name>_password`
-    /// exists, otherwise `None`.
+    pub fn local_provider_password_file() -> PathBuf {
-    pub fn local_provider_password_file() -> Option<PathBuf> {
+        dirs::home_dir()
-        let candidate = dirs::home_dir().map(|p| p.join(".gman_password"));
+            .map(|p| p.join(format!(".{}_password", calling_app_name())))
-        match candidate {
+            .expect("unable to determine home directory for local provider password file")
-            Some(p) if p.exists() => Some(p),
-            _ => None,
-        }
     }
 }
 
 /// Load and validate the application configuration.
 ///
 /// This uses the `confy` crate to load the configuration from a file
-/// (e.g. `~/.config/gman/config.yaml`). If the file does
+/// (e.g. `~/.config/<executable_name>/config.yaml`). If the file does
 /// not exist, a default configuration is created and saved.
 ///
 /// ```no_run
@@ -295,7 +293,7 @@ pub fn load_config(interpolate: bool) -> Result<Config> {
     let xdg_path = env::var_os("XDG_CONFIG_HOME").map(PathBuf::from);
 
     let mut config: Config = if let Some(base) = xdg_path.as_ref() {
-        let app_dir = base.join("gman");
+        let app_dir = base.join(calling_app_name());
         let yml = app_dir.join("config.yml");
         let yaml = app_dir.join("config.yaml");
         if yml.exists() || yaml.exists() {
@@ -327,9 +325,9 @@ pub fn load_config(interpolate: bool) -> Result<Config> {
                 ref mut provider_def,
             } = p.provider_type
                 && provider_def.password_file.is_none()
-                && let Some(local_password_file) = Config::local_provider_password_file()
+                && Config::local_provider_password_file().exists()
             {
-                provider_def.password_file = Some(local_password_file);
+                provider_def.password_file = Some(Config::local_provider_password_file());
             }
         });
 
@@ -337,7 +335,7 @@ pub fn load_config(interpolate: bool) -> Result<Config> {
 }
 
 fn load_confy_config(interpolate: bool) -> Result<Config> {
-    let load_path = confy::get_configuration_file_path("gman", "config")?;
+    let load_path = confy::get_configuration_file_path(&calling_app_name(), "config")?;
     let mut content = fs::read_to_string(&load_path)
         .with_context(|| format!("failed to read config file '{}'", load_path.display()))?;
     if interpolate {
@@ -352,7 +350,7 @@ fn load_confy_config(interpolate: bool) -> Result<Config> {
 /// Returns the configuration file path that `confy` will use
 pub fn get_config_file_path() -> Result<PathBuf> {
     if let Some(base) = env::var_os("XDG_CONFIG_HOME").map(PathBuf::from) {
-        let dir = base.join("gman");
+        let dir = base.join(calling_app_name());
         let yml = dir.join("config.yml");
         let yaml = dir.join("config.yaml");
         if yml.exists() || yaml.exists() {
@@ -360,7 +358,10 @@ pub fn get_config_file_path() -> Result<PathBuf> {
         }
         return Ok(dir.join("config.yml"));
     }
-    Ok(confy::get_configuration_file_path("gman", "config")?)
+    Ok(confy::get_configuration_file_path(
+        &calling_app_name(),
+        "config",
+    )?)
 }
 
 pub fn interpolate_env_vars(s: &str) -> String {

src/lib.rs

@@ -20,6 +20,7 @@
 //! The `config` and `providers` modules power the CLI. They can be embedded
 //! in other programs, but many functions interact with the user or the
 //! filesystem. Prefer `no_run` doctests for those.
+
 use anyhow::{Context, Result, anyhow, bail};
 use argon2::{
     Algorithm, Argon2, Params, Version,
@@ -31,6 +32,7 @@ use chacha20poly1305::{
     aead::{Aead, KeyInit, OsRng},
 };
 use secrecy::{ExposeSecret, SecretString};
+use std::path::PathBuf;
 use zeroize::Zeroize;
 /// Configuration structures and helpers used by the CLI and library.
 pub mod config;
@@ -207,6 +209,14 @@ pub fn decrypt_string(password: impl Into<SecretString>, envelope: &str) -> Resu
     Ok(s)
 }
 
+pub(crate) fn calling_app_name() -> String {
+    let exe: PathBuf = std::env::current_exe().expect("unable to get current exe path");
+    exe.file_stem()
+        .and_then(|s| s.to_str())
+        .map(|s| s.to_owned())
+        .expect("executable name not valid UTF-8")
+}
+
 #[cfg(test)]
 mod tests {
     use super::*;

src/providers/git_sync.rs

@@ -1,3 +1,4 @@
+use crate::calling_app_name;
 use anyhow::{Context, Result, anyhow};
 use chrono::Utc;
 use dialoguer::Confirm;
@@ -25,7 +26,7 @@ pub fn sync_and_push(opts: &SyncOpts<'_>) -> Result<()> {
     opts.validate()
         .with_context(|| "invalid git sync options")?;
     let commit_message = format!("chore: sync @ {}", Utc::now().to_rfc3339());
-    let config_dir = confy::get_configuration_file_path("gman", "vault")
+    let config_dir = confy::get_configuration_file_path(&calling_app_name(), "vault")
         .with_context(|| "get config dir")?
         .parent()
         .map(Path::to_path_buf)
@@ -37,7 +38,7 @@ pub fn sync_and_push(opts: &SyncOpts<'_>) -> Result<()> {
     fs::create_dir_all(&repo_dir).with_context(|| format!("create {}", repo_dir.display()))?;
 
     // Move the default vault into the repo dir on first sync so only vault.yml is tracked.
-    let default_vault = confy::get_configuration_file_path("gman", "vault")
+    let default_vault = confy::get_configuration_file_path(&calling_app_name(), "vault")
         .with_context(|| "get default vault path")?;
     let repo_vault = repo_dir.join("vault.yml");
     if default_vault.exists() && !repo_vault.exists() {

src/providers/local.rs

@@ -13,6 +13,7 @@ use crate::providers::git_sync::{
 use crate::providers::{SecretProvider, SupportedProvider};
 use crate::{
     ARGON_M_COST_KIB, ARGON_P, ARGON_T_COST, HEADER, KDF, KEY_LEN, NONCE_LEN, SALT_LEN, VERSION,
+    calling_app_name,
 };
 use anyhow::Result;
 use argon2::{Algorithm, Argon2, Params, Version};
@@ -63,8 +64,13 @@ pub struct LocalProvider {
 
 impl Default for LocalProvider {
     fn default() -> Self {
+        let password_file = match Config::local_provider_password_file() {
+            p if p.exists() => Some(p),
+            _ => None,
+        };
+
         Self {
-            password_file: Config::local_provider_password_file(),
+            password_file,
             git_branch: Some("main".into()),
             git_remote_url: None,
             git_user_name: None,
@@ -286,7 +292,7 @@ impl LocalProvider {
             let s = serde_yaml::to_string(&cfg)?;
             fs::write(&path, s).with_context(|| format!("failed to write {}", path.display()))?;
         } else {
-            confy::store("gman", "config", &cfg)
+            confy::store(&calling_app_name(), "config", &cfg)
                 .with_context(|| "failed to save updated config via confy")?;
         }
 
@@ -335,10 +341,11 @@ fn default_vault_path() -> Result<PathBuf> {
     let xdg_path = env::var_os("XDG_CONFIG_HOME").map(PathBuf::from);
 
     if let Some(xdg) = xdg_path {
-        return Ok(xdg.join("gman").join("vault.yml"));
+        return Ok(xdg.join(calling_app_name()).join("vault.yml"));
     }
 
-    confy::get_configuration_file_path("gman", "vault").with_context(|| "get config dir")
+    confy::get_configuration_file_path(&calling_app_name(), "vault")
+        .with_context(|| "get config dir")
 }
 
 fn base_config_dir() -> Result<PathBuf> {
@@ -560,7 +567,7 @@ mod tests {
     fn persist_only_target_local_provider_git_settings() {
         let td = tempdir().unwrap();
         let xdg = td.path().join("xdg");
-        let app_dir = xdg.join("gman");
+        let app_dir = xdg.join(calling_app_name());
         fs::create_dir_all(&app_dir).unwrap();
         unsafe {
             std_env::set_var("XDG_CONFIG_HOME", &xdg);

tests/config_tests.rs

@@ -252,16 +252,14 @@ mod tests {
     #[test]
     fn test_config_local_provider_password_file() {
         let path = Config::local_provider_password_file();
-        let expected_path = dirs::home_dir().map(|p| p.join(".gman_password"));
+        // Derive expected filename based on current test executable name
-        if let Some(p) = &expected_path {
+        let exe = std::env::current_exe().expect("current_exe");
-            if !p.exists() {
+        let stem = exe
-                assert_eq!(path, None);
+            .file_stem()
-            } else {
+            .and_then(|s| s.to_str())
-                assert_eq!(path, expected_path);
+            .expect("utf-8 file stem");
-            }
+        let expected = dirs::home_dir().map(|p| p.join(format!(".{}_password", stem)));
-        } else {
+        assert_eq!(Some(path), expected);
-            assert_eq!(path, None);
-        }
     }
 
     #[test]

tests/providers/local_tests.rs

@@ -58,10 +58,11 @@ fn test_local_provider_invalid_email() {
 #[test]
 fn test_local_provider_default() {
     let provider = LocalProvider::default();
-    assert_eq!(
+    let expected_pw = {
-        provider.password_file,
+        let p = Config::local_provider_password_file();
-        Config::local_provider_password_file()
+        if p.exists() { Some(p) } else { None }
-    );
+    };
+    assert_eq!(provider.password_file, expected_pw);
     assert_eq!(provider.git_branch, Some("main".into()));
     assert_eq!(provider.git_remote_url, None);
     assert_eq!(provider.git_user_name, None);