linux-kernel - [PATCH] scripts/tags.sh: exclude tools directory from tags generation

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Date:   Mon, 10 Aug 2020 08:36:50 -0700
From:   Rustam Kovhaev <rkovhaev@...il.com>
To:     masahiroy@...nel.org, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
        corbet@....net, xujialu@...ux.org,
        Rustam Kovhaev <rkovhaev@...il.com>
Subject: [PATCH] scripts/tags.sh: exclude tools directory from tags generation

when COMPILED_SOURCE is set, running 'make ARCH=x86_64 COMPILED_SOURCE=1
cscope tags' in KBUILD_OUTPUT directory produces lots of "No such file
or directory" warnings:
...
realpath: sigchain.h: No such file or directory
realpath: orc_gen.c: No such file or directory
realpath: objtool.c: No such file or directory
...
let's exclude tools directory from tags generation

Fixes: 4f491bb6ea2a ("scripts/tags.sh: collect compiled source precisely")
Link: https://lore.kernel.org/lkml/20200809210056.GA1344537@thinkpad
Signed-off-by: Rustam Kovhaev <rkovhaev@...il.com>
---
 scripts/tags.sh | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/scripts/tags.sh b/scripts/tags.sh
index 32d3f53af10b..850f4ccb6afc 100755
--- a/scripts/tags.sh
+++ b/scripts/tags.sh
@@ -26,7 +26,11 @@ else
 fi
 
 # ignore userspace tools
-ignore="$ignore ( -path ${tree}tools ) -prune -o"
+if [ -n "$COMPILED_SOURCE" ]; then
+	ignore="$ignore ( -path ./tools ) -prune -o"
+else
+	ignore="$ignore ( -path ${tree}tools ) -prune -o"
+fi
 
 # Detect if ALLSOURCE_ARCHS is set. If not, we assume SRCARCH
 if [ "${ALLSOURCE_ARCHS}" = "" ]; then
@@ -92,7 +96,7 @@ all_sources()
 all_compiled_sources()
 {
 	realpath -es $([ -z "$KBUILD_ABS_SRCTREE" ] && echo --relative-to=.) \
-		include/generated/autoconf.h $(find -name "*.cmd" -exec \
+		include/generated/autoconf.h $(find $ignore -name "*.cmd" -exec \
 		grep -Poh '(?(?=^source_.* \K).*|(?=^  \K\S).*(?= \\))' {} \+ |
 		awk '!a[$0]++') | sort -u
 }
-- 
2.28.0