Fix editing broken configuration (fix #241)

src/config.rs

@@ -166,6 +166,12 @@ pub struct CommandLineArgs {
     yes: bool,
 }
 
+impl CommandLineArgs {
+    pub fn edit_config(&self) -> bool {
+        self.edit_config
+    }
+}
+
 /// Represents the application configuration
 ///
 /// The struct holds the loaded configuration file, as well as the arguments parsed from the command line.
@@ -181,9 +187,7 @@ impl Config {
     /// Load the configuration.
     ///
     /// The function parses the command line arguments and reading the configuration file.
-    pub fn load(base_dirs: &BaseDirs) -> Result<Self, Error> {
-        let opt = CommandLineArgs::from_args();
-
+    pub fn load(base_dirs: &BaseDirs, opt: CommandLineArgs) -> Result<Self, Error> {
         let mut builder = formatted_timed_builder();
 
         if opt.verbose {
@@ -292,11 +296,6 @@ impl Config {
         self.opt.keep_at_end || env::var("TOPGRADE_KEEP_END").is_ok()
     }
 
-    /// Whether to edit the configuration file
-    pub fn edit_config(&self) -> bool {
-        self.opt.edit_config
-    }
-
     /// Whether to set the terminal title
     pub fn set_title(&self) -> bool {
         self.config_file.set_title.unwrap_or(true)

src/main.rs

@@ -10,7 +10,7 @@ mod steps;
 mod terminal;
 mod utils;
 
-use self::config::{Config, Step};
+use self::config::{CommandLineArgs, Config, Step};
 use self::error::{Error, ErrorKind};
 use self::report::Report;
 use self::steps::*;
@@ -24,6 +24,7 @@ use std::env;
 use std::fmt::Debug;
 use std::io;
 use std::process::exit;
+use structopt::StructOpt;
 
 fn execute<'a, F, M>(report: &mut Report<'a>, key: M, func: F, no_retry: bool) -> Result<(), Error>
 where
@@ -65,14 +66,16 @@ fn run() -> Result<(), Error> {
     ctrlc::set_handler();
 
     let base_dirs = directories::BaseDirs::new().ok_or(ErrorKind::NoBaseDirectories)?;
-    let config = Config::load(&base_dirs)?;
-    terminal::set_title(config.set_title());
 
-    if config.edit_config() {
+    let opt = CommandLineArgs::from_args();
+    if opt.edit_config() {
         Config::edit(&base_dirs)?;
         return Ok(());
     };
 
+    let config = Config::load(&base_dirs, opt)?;
+    terminal::set_title(config.set_title());
+
     if config.run_in_tmux() && env::var("TOPGRADE_INSIDE_TMUX").is_err() {
         #[cfg(unix)]
         {