From 89cecb188d3905ecf98f2a6be93cbd7cf6bf8a64 Mon Sep 17 00:00:00 2001
From: Laurenz <laurmaedje@gmail.com>
Date: Tue, 15 Oct 2024 13:55:55 +0200
Subject: Greet users who run `typst` for the first time (#5210)

---
 crates/typst-cli/src/main.rs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'crates/typst-cli/src/main.rs')

diff --git a/crates/typst-cli/src/main.rs b/crates/typst-cli/src/main.rs
index 283d17e2..b14e687e 100644
--- a/crates/typst-cli/src/main.rs
+++ b/crates/typst-cli/src/main.rs
@@ -2,6 +2,7 @@ mod args;
 mod compile;
 mod download;
 mod fonts;
+mod greet;
 mod init;
 mod package;
 mod query;
@@ -16,6 +17,7 @@ use std::cell::Cell;
 use std::io::{self, Write};
 use std::process::ExitCode;
 
+use clap::error::ErrorKind;
 use clap::Parser;
 use codespan_reporting::term;
 use codespan_reporting::term::termcolor::WriteColor;
@@ -30,8 +32,15 @@ thread_local! {
     static EXIT: Cell<ExitCode> = const { Cell::new(ExitCode::SUCCESS) };
 }
 
-/// The parsed commandline arguments.
-static ARGS: Lazy<CliArguments> = Lazy::new(CliArguments::parse);
+/// The parsed command line arguments.
+static ARGS: Lazy<CliArguments> = Lazy::new(|| {
+    CliArguments::try_parse().unwrap_or_else(|error| {
+        if error.kind() == ErrorKind::DisplayHelpOnMissingArgumentOrSubcommand {
+            crate::greet::greet();
+        }
+        error.exit();
+    })
+});
 
 /// Entry point.
 fn main() -> ExitCode {
-- 
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