add custom config path (#86)

CHANGELOG.md

@@ -10,6 +10,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 
 - Default page size to config [#96]
+- Custom config path [#86]
 
 ## [0.2.6] - 2021-04-17
 
@@ -182,6 +183,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 [#79]: https://github.com/soywod/himalaya/issues/79
 [#83]: https://github.com/soywod/himalaya/issues/83
 [#84]: https://github.com/soywod/himalaya/issues/84
+[#86]: https://github.com/soywod/himalaya/issues/86
 [#87]: https://github.com/soywod/himalaya/issues/87
 [#89]: https://github.com/soywod/himalaya/issues/89
 [#96]: https://github.com/soywod/himalaya/issues/96

src/comp/cli.rs

@@ -5,7 +5,7 @@ use std::io;
 
 error_chain! {}
 
-pub fn completion_subcmds<'c>() -> Vec<App<'c, 'c>> {
+pub fn comp_subcmds<'s>() -> Vec<App<'s, 's>> {
     vec![SubCommand::with_name("completion")
         .about("Generates the completion script for the given shell")
         .args(&[Arg::with_name("shell")
@@ -13,19 +13,19 @@ pub fn completion_subcmds<'c>() -> Vec<App<'c, 'c>> {
             .required(true)])]
 }
 
-pub fn completion_matches(mut app: App, matches: &ArgMatches) -> Result<bool> {
+pub fn comp_matches(mut app: App, matches: &ArgMatches) -> Result<bool> {
     if let Some(matches) = matches.subcommand_matches("completion") {
-        debug!("[completion::cli::matches] completion command matched");
+        debug!("[comp::cli::matches] completion command matched");
         let shell = match matches.value_of("shell").unwrap() {
             "fish" => Shell::Fish,
             "zsh" => Shell::Zsh,
             "bash" | _ => Shell::Bash,
         };
-        debug!("[completion::cli::matches] shell: {}", shell);
+        debug!("[comp::cli::matches] shell: {}", shell);
         app.gen_completions_to("himalaya", shell, &mut io::stdout());
         return Ok(true);
     };
 
-    debug!("[completion::cli::matches] nothing matched");
+    debug!("[comp::cli::matches] nothing matched");
     Ok(false)
 }

src/config/cli.rs

@@ -1,9 +1,16 @@
 use clap::Arg;
 
-pub fn account_arg<'a>() -> Arg<'a, 'a> {
-    Arg::with_name("account")
-        .long("account")
-        .short("a")
-        .help("Selects a specific account")
-        .value_name("STRING")
+pub fn config_args<'a>() -> Vec<Arg<'a, 'a>> {
+    vec![
+        Arg::with_name("config")
+            .long("config")
+            .short("c")
+            .help("Forces a specific config path")
+            .value_name("PATH"),
+        Arg::with_name("account")
+            .long("account")
+            .short("a")
+            .help("Selects a specific account")
+            .value_name("NAME"),
+    ]
 }

src/config/model.rs

@@ -132,15 +132,16 @@ impl Config {
         Ok(path)
     }
 
-    pub fn new_from_file() -> Result<Self> {
-        let mut file = File::open(
-            Self::path_from_xdg()
+    pub fn new(path: Option<PathBuf>) -> Result<Self> {
+        let path = match path {
+            Some(path) => path,
+            None => Self::path_from_xdg()
                 .or_else(|_| Self::path_from_xdg_alt())
                 .or_else(|_| Self::path_from_home())
                 .chain_err(|| "Cannot find config path")?,
-        )
-        .chain_err(|| "Cannot open config file")?;
+        };
 
+        let mut file = File::open(path).chain_err(|| "Cannot open config file")?;
         let mut content = vec![];
         file.read_to_end(&mut content)
             .chain_err(|| "Cannot read config file")?;

src/flag/cli.rs

@@ -11,7 +11,7 @@ error_chain! {
     }
 }
 
-fn flags_arg<'f>() -> Arg<'f, 'f> {
+fn flags_arg<'a>() -> Arg<'a, 'a> {
     Arg::with_name("flags")
         .help("IMAP flags (see https://tools.ietf.org/html/rfc3501#page-11)")
         .value_name("FLAGS…")
@@ -19,7 +19,7 @@ fn flags_arg<'f>() -> Arg<'f, 'f> {
         .required(true)
 }
 
-pub fn flag_subcmds<'f>() -> Vec<App<'f, 'f>> {
+pub fn flag_subcmds<'s>() -> Vec<App<'s, 's>> {
     vec![SubCommand::with_name("flags")
         .aliases(&["flag"])
         .about("Handles flags")

src/imap/cli.rs

@@ -14,7 +14,7 @@ error_chain! {
     }
 }
 
-pub fn imap_subcmds<'a>() -> Vec<App<'a, 'a>> {
+pub fn imap_subcmds<'s>() -> Vec<App<'s, 's>> {
     vec![SubCommand::with_name("idle").about("Spawns a blocking idle daemon")]
 }
 

src/main.rs

@@ -1,7 +1,7 @@
 use clap;
 use error_chain::error_chain;
 use log::{debug, error, trace};
-use std::env;
+use std::{env, path::PathBuf};
 
 mod input;
 mod smtp;
@@ -32,13 +32,13 @@ mod mbox {
     pub(crate) mod cli;
     pub(crate) mod model;
 }
-mod completion {
+mod comp {
     pub(crate) mod cli;
 }
 
 use crate::{
-    completion::cli::{completion_matches, completion_subcmds},
-    config::{cli::account_arg, model::Config},
+    comp::cli::{comp_matches, comp_subcmds},
+    config::{cli::config_args, model::Config},
     flag::cli::{flag_matches, flag_subcmds},
     imap::cli::{imap_matches, imap_subcmds},
     mbox::cli::{mbox_matches, mbox_source_arg, mbox_subcmds},
@@ -52,7 +52,7 @@ use crate::{
 
 error_chain! {
     links {
-        CompletionCli(crate::completion::cli::Error, crate::completion::cli::ErrorKind);
+        CompletionCli(crate::comp::cli::Error, crate::comp::cli::ErrorKind);
         Config(crate::config::model::Error, crate::config::model::ErrorKind);
         FlagCli(crate::flag::cli::Error, crate::flag::cli::ErrorKind);
         ImapCli(crate::imap::cli::Error, crate::imap::cli::ErrorKind);
@@ -68,13 +68,13 @@ fn build_app<'a>() -> clap::App<'a, 'a> {
         .about(env!("CARGO_PKG_DESCRIPTION"))
         .author(env!("CARGO_PKG_AUTHORS"))
         .args(&output_args())
-        .arg(account_arg())
+        .args(&config_args())
         .arg(mbox_source_arg())
         .subcommands(flag_subcmds())
         .subcommands(imap_subcmds())
         .subcommands(mbox_subcmds())
         .subcommands(msg_subcmds())
-        .subcommands(completion_subcmds())
+        .subcommands(comp_subcmds())
 }
 
 fn run() -> Result<()> {
@@ -83,12 +83,14 @@ fn run() -> Result<()> {
 
     let output_fmt: OutputFmt = matches.value_of("output").unwrap().into();
     let log_level: LogLevel = matches.value_of("log").unwrap().into();
+    let custom_config: Option<PathBuf> = matches.value_of("config").map(|s| s.into());
     init_logger(&output_fmt, &log_level)?;
     debug!("[main] output format: {}", output_fmt);
     debug!("[main] log level: {}", log_level);
+    debug!("[main] custom config path: {:?}", custom_config);
 
     debug!("[main] init config");
-    let config = Config::new_from_file()?;
+    let config = Config::new(custom_config)?;
     trace!("[main] {:#?}", config);
 
     let account_name = matches.value_of("account");
@@ -97,13 +99,13 @@ fn run() -> Result<()> {
     trace!("[main] {:#?}", account);
 
     let mbox = matches.value_of("mailbox").unwrap();
-    debug!("[msg::cli::matches] mailbox: {}", mbox);
+    debug!("[main] mailbox: {}", mbox);
 
     debug!("[main] begin matching");
     let _matched = mbox_matches(&account, &matches)?
         || flag_matches(&account, &mbox, &matches)?
         || imap_matches(&config, &account, &mbox, &matches)?
-        || completion_matches(build_app(), &matches)?
+        || comp_matches(build_app(), &matches)?
         || msg_matches(&config, &account, &mbox, &matches)?;
 
     Ok(())

src/mbox/cli.rs

@@ -28,7 +28,7 @@ pub fn mbox_target_arg<'a>() -> Arg<'a, 'a> {
         .value_name("TARGET")
 }
 
-pub fn mbox_subcmds<'a>() -> Vec<App<'a, 'a>> {
+pub fn mbox_subcmds<'s>() -> Vec<App<'s, 's>> {
     vec![SubCommand::with_name("mailboxes")
         .aliases(&["mailbox", "mboxes", "mbox", "m"])
         .about("Lists all mailboxes")]

src/msg/cli.rs

@@ -67,7 +67,7 @@ fn attachment_arg<'a>() -> Arg<'a, 'a> {
         .takes_value(true)
 }
 
-pub fn msg_subcmds<'a>() -> Vec<App<'a, 'a>> {
+pub fn msg_subcmds<'s>() -> Vec<App<'s, 's>> {
     vec![
         SubCommand::with_name("list")
             .aliases(&["lst", "l"])

wiki

@@ -1 +1 @@
-Subproject commit b5f3d7ad36c5a77e37dff9c343b82dcb42d484be
+Subproject commit fb38ee9b4ae679a01f73dd7d77f369a83dd888e5