Add welcome message for empty input

3 files changed, 25 insertions, 8 deletions

diff --git a/resources/locales/jvn/en.yml b/resources/locales/jvn/en.yml
index 2c454a7..bcc9cdc 100644
--- a/resources/locales/jvn/en.yml
+++ b/resources/locales/jvn/en.yml
@@ -18,6 +18,10 @@ banner: |
   __  ▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒▒      %{banner_line_3}
 
 process_error:
+  empty_input: |
+    Welcome to the JVCS CLI!
+    You can use `jvn helpdoc` to view _available commands_
+
   no_matching_command: |
     No matching command found!
     Use `jvn -h` to get help
diff --git a/resources/locales/jvn/zh-CN.yml b/resources/locales/jvn/zh-CN.yml
index 813597f..f37e85e 100644
--- a/resources/locales/jvn/zh-CN.yml
+++ b/resources/locales/jvn/zh-CN.yml
@@ -1,4 +1,8 @@
 process_error:
+  empty_input: |
+    欢迎使用 JustEnoughVCS 命令行程序！
+    您可以使用 `jvn helpdoc` 以查阅_可用命令_
+
   no_matching_command: |
     无法匹配该命令，使用 `jvn -h` 查看帮助
 
diff --git a/src/bin/jvn.rs b/src/bin/jvn.rs
index 9041bb9..f35b845 100644
--- a/src/bin/jvn.rs
+++ b/src/bin/jvn.rs
@@ -4,7 +4,10 @@ use std::{
     process::exit,
 };
 
-use cli_utils::legacy::{display::md, env::current_locales, levenshtein_distance};
+use cli_utils::{
+    display::markdown::Markdown,
+    legacy::{display::md, env::current_locales, levenshtein_distance},
+};
 use just_progress::{
     progress,
     renderer::{ProgressSimpleRenderer, RendererTheme},
@@ -112,10 +115,15 @@ async fn main() {
     }
 
     // Handle help when no arguments provided
-    if args.is_empty() && help {
-        warn!("{}", t!("verbose.no_arguments"));
-        helpdoc_viewer::display_with_lang(DEFAULT_HELPDOC, &lang).await;
-        exit(1);
+    if args.is_empty() {
+        if help {
+            warn!("{}", t!("verbose.no_arguments"));
+            helpdoc_viewer::display_with_lang(DEFAULT_HELPDOC, &lang).await;
+            exit(1);
+        } else {
+            eprintln!("{}", t!("process_error.empty_input").to_string().markdown());
+            exit(1);
+        }
     }
 
     info!("{}", t!("verbose.user_input", command = args.join(" ")));
@@ -222,9 +230,10 @@ async fn main() {
         if !r.is_empty() {
             print!("{}", r);
             if let Err(e) = io::stdout().flush().await
-                && !no_error_logs {
-                    display_io_error(e);
-                }
+                && !no_error_logs
+            {
+                display_io_error(e);
+            }
         }
     }
 }