From 23221040a571fa2cdb268d2beb036ddc7aa98158 Mon Sep 17 00:00:00 2001
From: Utku Demir <me@utdemir.com>
Date: Mon, 29 Jun 2020 19:09:49 +1200
Subject: [PATCH] Bail when required executables are missing.

---
 src/slack | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/slack b/src/slack
index e309d95..10df8a9 100755
--- a/src/slack
+++ b/src/slack
@@ -1,5 +1,9 @@
 #!/usr/bin/env bash
 
+for i in curl sed jq grep dirname; do
+  command -v $i >/dev/null 2>&1 || { echo >&2 "Not found: $i. Aborting."; exit 1; }
+done
+
 bindir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
 etcdir="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"