From 097f8670eb2e5c49a36dcf399e59f4057007b5b1 Mon Sep 17 00:00:00 2001
From: Slack Coder <slackcoder@server.ky>
Date: Tue, 15 Oct 2024 10:35:09 -0500
Subject: Fail immediately when commands missing

---
 internal/exec.go | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100644 internal/exec.go

(limited to 'internal/exec.go')

diff --git a/internal/exec.go b/internal/exec.go
new file mode 100644
index 0000000..6ed3e5c
--- /dev/null
+++ b/internal/exec.go
@@ -0,0 +1,21 @@
+package internal
+
+import (
+	"fmt"
+	"os/exec"
+)
+
+type CommandNotFound string
+
+func (e CommandNotFound) Error() string {
+	return fmt.Sprintf("command '%s' is missing and must be present for operation", string(e))
+}
+
+func RequireCommand(cmd string) error {
+	_, err := exec.LookPath(cmd)
+	if err != nil {
+		return CommandNotFound(cmd)
+	}
+
+	return nil
+}
-- 
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