From: Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>
Date: Tue, 2 Sep 2025 18:30:01 +0000 (-0400)
Subject: lscpu: add support for LSCPU_{CACHES_}COLUMNS environment variables
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=8e4d8ff938089b8369c6fe071fed901d143b9181;p=thirdparty%2Futil-linux.git

lscpu: add support for LSCPU_{CACHES_}COLUMNS environment variables

This provides alternate ways of specifying output columns similar
to the '--parse', '--extended' and '--caches' options.

Addresses: #2816
Signed-off-by: Christian Goeschel Ndjomouo <cgoesc2@wgu.edu>
---

diff --git a/sys-utils/lscpu.c b/sys-utils/lscpu.c
index 99799594e..fe0eac9e7 100644
--- a/sys-utils/lscpu.c
+++ b/sys-utils/lscpu.c
@@ -1395,6 +1395,11 @@ int main(int argc, char *argv[])
 	if (hierarchic == -1)
 		hierarchic = isatty(STDOUT_FILENO);	/* default */
 
+	if (!outarg && (cxt->mode == LSCPU_OUTPUT_CACHES))
+		outarg = getenv("LSCPU_CACHES_COLUMNS");
+	if (!outarg && ((cxt->mode == LSCPU_OUTPUT_PARSABLE) || (cxt->mode == LSCPU_OUTPUT_READABLE)))
+		outarg = getenv("LSCPU_COLUMNS");
+
 	switch(cxt->mode) {
 	case LSCPU_OUTPUT_SUMMARY:
 		print_summary(cxt);