scripts: refactor remove structure forward declarations

hamo · michal42 · commit 66979224c0d2 · 2012-03-26T22:22:15.000+02:00
Since now it has some problems when generate TAGS,
refactor this code. Now it will not show the error
message and will remove declarations using emacs etags.

Signed-off-by: Yang Bai &lt;hamo.by@gmail.com&gt;
Reviewed-by: Stephen Boyd &lt;sboyd@codeaurora.org&gt;
Signed-off-by: Michal Marek &lt;mmarek@suse.cz&gt;
diff --git a/scripts/tags.sh b/scripts/tags.sh
@@ -166,9 +166,6 @@ exuberant()
 	all_defconfigs | xargs -r $1 -a                         \
 	--langdef=dotconfig --language-force=dotconfig          \
 	--regex-dotconfig='/^#?[[:blank:]]*(CONFIG_[[:alnum:]_]+)/\1/'
-
-	# Remove structure forward declarations.
-	LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' tags
 }
 
 emacs()
@@ -233,6 +230,7 @@ if [ "${ARCH}" = "um" ]; then
 	fi
 fi
 
+remove_structs=
 case "$1" in
 	"cscope")
 		docscope
@@ -245,10 +243,17 @@ case "$1" in
 	"tags")
 		rm -f tags
 		xtags ctags
+		remove_structs=y
 		;;
 
 	"TAGS")
 		rm -f TAGS
 		xtags etags
+		remove_structs=y
 		;;
 esac
+
+# Remove structure forward declarations.
+if [ -n $remove_structs ]; then
+    LANG=C sed -i -e '/^\([a-zA-Z_][a-zA-Z0-9_]*\)\t.*\t\/\^struct \1;.*\$\/;"\tx$/d' $1
+fi
