add ui module

Cargo.lock

@@ -21,6 +21,12 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "anyhow"
+version = "1.0.66"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "216261ddc8289130e551ddcd5ce8a064710c0d064a4d2895c67151c92b5443f6"
+
 [[package]]
 name = "atty"
 version = "0.2.14"
@@ -357,6 +363,7 @@ name = "pacdef"
 version = "0.1.0"
 dependencies = [
  "alpm",
+ "anyhow",
  "clap 3.2.20",
  "criterion",
 ]

Cargo.toml

@@ -7,6 +7,7 @@ edition = "2021"
 
 [dependencies]
 alpm = "2.2.1"
+anyhow = "1.0.66"
 clap = "3.2.20"
 
 [profile.release]

src/lib.rs

@@ -2,6 +2,7 @@ pub mod args;
 pub mod db;
 pub mod group;
 pub mod package;
+pub mod ui;
 
 pub use group::Group;
 pub use package::Package;

src/main.rs

@@ -1,10 +1,9 @@
-use std::io::BufRead;
-use std::io::Write;
 use std::os::unix::process::CommandExt;
 use std::path::{Path, PathBuf};
 use std::process::exit;
 use std::{collections::HashSet, process::Command};
 
+use anyhow::Result;
 use clap::ArgMatches;
 
 use pacdef::args;
@@ -13,20 +12,12 @@ use pacdef::group::GROUPS_DIR;
 use pacdef::Group;
 use pacdef::Package;
 
-fn main() {
+fn main() -> Result<()> {
     let args = args::get_matched_arguments();
     let groups = Group::load_from_dir();
     let pacdef = Pacdef::new(args, groups);
     pacdef.run_action_from_arg();
-}
+    Ok(())
-
-fn get_user_confirmation() {
-    print!("Continue? [Y/n] ");
-    std::io::stdout().flush().unwrap();
-    let reply = std::io::stdin().lock().lines().next().unwrap().unwrap();
-    if !(reply.is_empty() || reply.to_lowercase().contains('y')) {
-        exit(0)
-    }
 }
 
 fn run_edit_command(files: &[&Path]) {
@@ -94,7 +85,7 @@ impl Pacdef {
             println!("  {p}");
         }
         println!();
-        get_user_confirmation();
+        pacdef::ui::get_user_confirmation();
 
         run_install_command(diff);
     }

src/ui.rs

@@ -0,0 +1,14 @@
+use std::process::exit;
+
+use std::io::Write::std::io;
+
+use std;
+
+pub(crate) fn get_user_confirmation() {
+    print!("Continue? [Y/n] ");
+    std::io::stdout().flush().unwrap();
+    let reply = std::io::stdin().lock().lines().next().unwrap().unwrap();
+    if !(reply.is_empty() || reply.to_lowercase().contains('y')) {
+        exit(0)
+    }
+}