From a69bdc0ef63343373773995f7e87d11a29ed4259 Mon Sep 17 00:00:00 2001
From: "B. Watson" <urchlay@slackware.uk>
Date: Sat, 16 Sep 2023 16:48:04 -0400
Subject: sbopkglint: refactor gzip detection.

---
 sbopkglint | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'sbopkglint')

diff --git a/sbopkglint b/sbopkglint
index fd458c4..2e86174 100755
--- a/sbopkglint
+++ b/sbopkglint
@@ -584,6 +584,12 @@ find_warnfiles() {
 	rm -f $output
 }
 
+# return true if the file is gzipped, otherwise false.
+# faster than using file(1).
+is_gzipped() {
+	[ "$( hexdump -n 2 -e '"%2x"' "$1" )" = '8b1f' ]
+}
+
 # N.B. these need to match the template (and they do)
 TMP=${TMP:-/tmp/SBo}
 OUTPUT=${OUTPUT:-/tmp}
-- 
cgit v1.2.3