From 764b85f65289050d0685bc06f873ea6a05e9521c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Vladim=C3=ADr=20Dudr?= <vladimir@tango-dj.cz>
Date: Mon, 26 Sep 2022 23:17:30 +0200
Subject: [PATCH] add show command

---
 src/cli.rs  |  6 ++++++
 src/main.rs | 24 ++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

diff --git a/src/cli.rs b/src/cli.rs
index 9607dd1..2818f35 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -17,6 +17,12 @@ pub enum Cmd {
         paths: Vec<UserPath>,
     },
 
+    /// Show command to be executed by "open" command
+    Show {
+        #[clap(required = true)]
+        paths: Vec<UserPath>,
+    },
+
     /// Set the default handler for mime/extension
     Set {
         mime: MimeOrExtension,
diff --git a/src/main.rs b/src/main.rs
index 4bc38d4..2899966 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,5 @@
+use std::io::Write;
+
 use config::CONFIG;
 use error::{Error, Result};
 use once_cell::sync::Lazy;
@@ -51,6 +53,28 @@ fn main() -> Result<()> {
                     handler.open(paths)?;
                 }
             }
+            Cmd::Show { paths } => {
+                let mut handlers: HashMap<Handler, Vec<String>> =
+                    HashMap::new();
+
+                for path in paths.into_iter() {
+                    handlers
+                        .entry(apps.get_handler(&path.get_mime()?.0)?)
+                        .or_default()
+                        .push(path.to_string());
+                }
+
+                for (handler, paths) in handlers.into_iter() {
+                    let stdout = std::io::stdout();
+                    let (cmd, cmd_args) = handler.get_entry()?.get_cmd(paths)?;
+                    write!(&stdout, "{}", cmd)?;
+                    for arg in cmd_args.into_iter() {
+                        write!(&stdout, " {}", arg)?;
+                    }
+                    write!(&stdout, "\n")?
+
+                }
+            }
             Cmd::List { all } => {
                 apps.print(all)?;
             }