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From: Peter Korsgaard <peter@korsgaard.com>
To: buildroot@buildroot.org
Subject: [Buildroot] [PATCH] package/procps-ng/S02sysctl: pass SYSCTL_ARGS before -p argument for busybox
Date: Fri, 17 May 2024 16:14:13 +0200	[thread overview]
Message-ID: <20240517141413.1716448-1-peter@korsgaard.com> (raw)

The busybox sysctl applet expects all arguments after -p to be filenames to
read:

sysctl -p file -h
sysctl: -h: No such file or directory

VS:

sysctl -h -p file
sysctl: invalid option -- 'h'
BusyBox v1.36.1 (2024-05-17 15:27:21 CEST) multi-call binary.

Usage: sysctl [-enq] { -a | -p [FILE]... | [-w] [KEY[=VALUE]]... }

Show/set kernel parameters

        -e      Don't warn about unknown keys
        -n      Don't show key names
        -q      Quiet
        -a      Show all values
        -p      Set values from FILEs (default /etc/sysctl.conf)
        -w      Set values

This seems to be the intented behaviour:
https://git.busybox.net/busybox/tree/procps/sysctl.c#n317

Notice: The procps-ng variant is happy with both:

sysctl -p file -h

Usage:
 sysctl [options] [variable[=value] ...]

VS:

sysctl -h -p file

Usage:
 sysctl [options] [variable[=value] ...]

So pass SYSCTL_ARGS before the -p args so custom sysctl arguments can be
passed.

Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
---
 package/procps-ng/S02sysctl | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/package/procps-ng/S02sysctl b/package/procps-ng/S02sysctl
index 85d9ed50d0..c202833ab8 100644
--- a/package/procps-ng/S02sysctl
+++ b/package/procps-ng/S02sysctl
@@ -43,7 +43,7 @@ run_logger() {
 				break
 			}
 			echo "* Applying $file ..."
-			/sbin/sysctl -p "$file" $SYSCTL_ARGS || prog_status="FAIL"
+			/sbin/sysctl $SYSCTL_ARGS -p "$file" || prog_status="FAIL"
 		done 2>&1 >&3 | /usr/bin/logger -t sysctl -p kern.err
 	} 3>&1 | /usr/bin/logger -t sysctl -p kern.info
 }
@@ -60,7 +60,7 @@ run_std() {
 				break
 			}
 			echo "* Applying $file ..."
-			/sbin/sysctl -p "$file" $SYSCTL_ARGS || prog_status="FAIL"
+			/sbin/sysctl $SYSCTL_ARGS -p "$file" || prog_status="FAIL"
 		done
 	}
 }
-- 
2.39.2

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             reply	other threads:[~2024-05-17 14:14 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-05-17 14:14 Peter Korsgaard [this message]
2024-05-17 14:40 ` [Buildroot] [PATCH] package/procps-ng/S02sysctl: pass SYSCTL_ARGS before -p argument for busybox Yann E. MORIN

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