From 40dbfcfaf0a06a5c8e92a1d5183d8ae4e4634835 Mon Sep 17 00:00:00 2001
From: nl6720 <nl6720@gmail.com>
Date: Sat, 3 Dec 2022 11:33:21 +0200
Subject: .shellcheckrc: enable optional checks

* Suggest explicitly using -n in `[ $var ]`. https://www.shellcheck.net/wiki/SC2243 & https://www.shellcheck.net/wiki/SC2244
* Suggest 'command -v' instead of 'which'. https://www.shellcheck.net/wiki/SC2230
* Suggest quoting variables without metacharacters. https://www.shellcheck.net/wiki/SC2248
* Require [[ and warn about [ in Bash/Ksh. https://www.shellcheck.net/wiki/SC2292
---
 .shellcheckrc | 11 +++++++++++
 1 file changed, 11 insertions(+)
 create mode 100644 .shellcheckrc

diff --git a/.shellcheckrc b/.shellcheckrc
new file mode 100644
index 0000000..75aca74
--- /dev/null
+++ b/.shellcheckrc
@@ -0,0 +1,11 @@
+# Suggest explicitly using -n in `[ $var ]`
+enable=avoid-nullary-conditions
+
+# Suggest 'command -v' instead of 'which'
+enable=deprecate-which
+
+# Suggest quoting variables without metacharacters
+enable=quote-safe-variables
+
+# Require [[ and warn about [ in Bash/Ksh
+enable=require-double-brackets
-- 
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