From f50bfeea92fee4b554d43a883f007300af7f475f Mon Sep 17 00:00:00 2001
From: emma <emma@tebibyte.media>
Date: Wed, 28 Aug 2024 18:05:56 -0600
Subject: [PATCH] fop(1): fixes panic on no arguments

---
 src/fop.rs          | 2 ++
 tests/bonsai/fop.mk | 1 +
 2 files changed, 3 insertions(+)

diff --git a/src/fop.rs b/src/fop.rs
index b6da510..261aba5 100644
--- a/src/fop.rs
+++ b/src/fop.rs
@@ -61,6 +61,8 @@ fn main() -> ExitCode {
 		}
 	}
 
+	if argv.len() == 1 { return ExitCode::from(usage(&argv[0])); }
+
 	while let Some(opt) = argv.getopt("d:") {
 		match opt.opt() {
 			Ok("d") => {
diff --git a/tests/bonsai/fop.mk b/tests/bonsai/fop.mk
index b538031..230e1c1 100755
--- a/tests/bonsai/fop.mk
+++ b/tests/bonsai/fop.mk
@@ -24,6 +24,7 @@ fop_fail: $(BIN)/fop
 	! printf 'test\n' | $(BIN)/fop 1 cat
 	! printf 'test\n' | $(BIN)/fop 'test' cat
 	! printf 'test\n' | $(BIN)/fop -d'test' cat
+	! $(BIN)/fop
 
 .PHONY: fop_functionality
 fop_functionality: $(BIN)/fop