linux-kernel - [PATCH 1/2] setlocalversion: clean up the construction of version output

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Date:   Sun,  5 Feb 2023 21:09:56 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     linux-kbuild@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org,
        Masahiro Yamada <masahiroy@...nel.org>
Subject: [PATCH 1/2] setlocalversion: clean up the construction of version output

Concatenate all components in the last line instead of accumulating
them into the 'res' variable.

No functional change is intended. A preparation for the next change.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 scripts/setlocalversion | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/scripts/setlocalversion b/scripts/setlocalversion
index ad72ea2c8228..7e2c83f5c50d 100755
--- a/scripts/setlocalversion
+++ b/scripts/setlocalversion
@@ -108,19 +108,18 @@ if [ -z "${KERNELVERSION}" ]; then
 fi
 
 # localversion* files in the build and source directory
-res="$(collect_files localversion*)"
+file_localversion="$(collect_files localversion*)"
 if test ! "$srctree" -ef .; then
-	res="$res$(collect_files "$srctree"/localversion*)"
+	file_localversion="${file_localversion}$(collect_files "$srctree"/localversion*)"
 fi
 
-# CONFIG_LOCALVERSION and LOCALVERSION (if set)
+# version string from CONFIG_LOCALVERSION
 config_localversion=$(sed -n 's/^CONFIG_LOCALVERSION=\(.*\)$/\1/p' include/config/auto.conf)
-res="${res}${config_localversion}${LOCALVERSION}"
 
 # scm version string if not at a tagged commit
 if grep -q "^CONFIG_LOCALVERSION_AUTO=y$" include/config/auto.conf; then
 	# full scm version string
-	res="$res$(scm_version)"
+	scm_version="$(scm_version)"
 elif [ "${LOCALVERSION+set}" != "set" ]; then
 	# If the variable LOCALVERSION is not set, append a plus
 	# sign if the repository is not in a clean annotated or
@@ -129,7 +128,7 @@ elif [ "${LOCALVERSION+set}" != "set" ]; then
 	#
 	# If the variable LOCALVERSION is set (including being set
 	# to an empty string), we don't want to append a plus sign.
-	res="$res$(scm_version --short)"
+	scm_version="$(scm_version --short)"
 fi
 
-echo "${KERNELVERSION}${res}"
+echo "${KERNELVERSION}${file_localversion}${config_localversion}${LOCALVERSION}${scm_version}"
-- 
2.34.1