From: foopub <45460217+foopub@users.noreply.github.com>
Date: Wed, 3 Feb 2021 17:41:08 +0000 (+0000)
Subject: Fix bad ls parsing
X-Git-Tag: 052~107
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c409108b0489e7d70f5f6a830d874a9384d4f8d2;p=thirdparty%2Fdracut.git

Fix bad ls parsing

This used to cause some echo write/invalid argument errors. Simplest fix is to use readlink with -f for absolute path and -n to remove trailing newline.
See previous discussion here:
https://github.com/void-linux/void-packages/issues/13024
---

diff --git a/modules.d/95resume/resume.sh b/modules.d/95resume/resume.sh
index 8d366755f..e7becd0ae 100755
--- a/modules.d/95resume/resume.sh
+++ b/modules.d/95resume/resume.sh
@@ -14,9 +14,5 @@ PATH=/usr/sbin:/usr/bin:/sbin:/bin
     esac
     [ -x "$(command -v resume)" ] && command resume $a_splash "$resume"
 
-    # parsing the output of ls is Bad, but until there is a better way...
-    ls -lH "$resume" | (
-        read x x x x maj min x;
-        echo "${maj%,}:$min"> /sys/power/resume)
-    >/.resume
+    (readlink -fn $resume > /sys/power/resume)>/.resume
 }