From: Jialu Xu <xujialu@vimux.org>
Date: Thu, 1 Jun 2023 01:04:02 +0000 (+0800)
Subject: scripts/tags.sh: improve compiled sources generation
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=82089b00ae026f638277c51bf3f36c68ed4021c7;p=linux.git

scripts/tags.sh: improve compiled sources generation

Use grep instead of sed for all compiled sources generation, it is three
times more efficient.

Signed-off-by: Jialu Xu <xujialu@vimux.org>
Tested-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20230601010402.71040-1-xujialu@vimux.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/scripts/tags.sh b/scripts/tags.sh
index ea31640b26715..938dba219534a 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -98,7 +98,7 @@ all_compiled_sources()
 	{
 		echo include/generated/autoconf.h
 		find $ignore -name "*.cmd" -exec \
-			sed -n -E 's/^source_.* (.*)/\1/p; s/^  (\S.*) \\/\1/p' {} \+ |
+			grep -Poh '(?<=^  )\S+|(?<== )\S+[^\\](?=$)' {} \+ |
 		awk '!a[$0]++'
 	} | xargs realpath -esq $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) |
 	sort -u