Merge pull request #1241 from zsh-users/fix_cmake_help_completion

Fix cmake help item completion

src/_cmake

@@ -51,8 +51,6 @@
 #
 # -------------------------------------------------------------------------
 
-local context state line curcontext="$curcontext" cmake_args
-
 local -a cmake_build_options=(
   '-S[Explicitly specify a source directory]:source directory:_path_files -/'
   '-B[Explicitly specify a build directory]:build directory:_path_files -/'
@@ -235,7 +233,7 @@ _cmake_on_build() {
 
   if [[ "$in_build" == false || "$difference" -eq 1 ]] ; then
     # either there is no --build or completing the directory after --build
-    _arguments -C -s \
+    _arguments -s \
       - build_opts \
       "$cmake_build_options[@]" \
       - build_cmds \
@@ -303,7 +301,7 @@ _cmake_on_install() {
 
   if [[ "$in_build" == false || "$difference" -eq 1 ]] ; then
     # either there is no --install or completing the directory after --install
-    _arguments -C -s \
+    _arguments -s \
       - build_opts \
       "$cmake_build_options[@]" \
       - build_cmds \
@@ -600,18 +598,18 @@ _cmake_commands() {
   _describe -t commands 'command' commands
 }
 
-local cmake_suggest_build;cmake_suggest_build=(
+local -a cmake_suggest_build=(
   '--build[build]:build dir:_cmake_suggest_builddirs'
 )
 
-local cmake_suggest_install;cmake_suggest_install=(
+local -a cmake_suggest_install=(
   '--install[install]:install dir:_cmake_suggest_installdirs'
 )
 
 if [[ "$service" = -value-*CMAKE_GENERATOR* ]]; then
   _cmake_generators
 elif [ $CURRENT -eq 2 ] ; then
-  _arguments -C -s \
+  _arguments -s \
     - help \
       "$cmake_help_actions[@]" \
     - command \
@@ -626,6 +624,8 @@ elif [[ $words[2] == --build ]] ; then
   _cmake_on_build
 elif [[ $words[2] == --install ]] ; then
   _cmake_on_install
+elif [[ $words[2] == --help-* ]] ; then
+  _arguments "$cmake_help_actions[@]"
 else
   _arguments "$cmake_build_options[@]"
 fi