diff --git a/common.sh b/common.sh
index e161b9e..c1bf8c3 100755
--- a/common.sh
+++ b/common.sh
@@ -38,9 +38,13 @@ else
 fi
 
 NVIM_REQUIRED_BINARIES=(
+  clang-tidy
   cmake
+  cppcheck
+  cppman
   curl
   dart
+  eslint
   flutter
   fzf
   g++
@@ -48,6 +52,7 @@ NVIM_REQUIRED_BINARIES=(
   git
   go
   java
+  luafmt
   make
   node
   npm
@@ -61,6 +66,8 @@ NVIM_REQUIRED_BINARIES=(
   tidy
   tree-sitter
   unzip
+  vala-language-server
+  valac
   wget
   zip
 )
@@ -91,10 +98,8 @@ function check_binary() {
 
 function ensure_brew_binary() {
   if ! command -v "$1" >/dev/null 2>&1; then
-    check_binary brew
     brew install "$2"
   fi
-  check_binary "$1"
 }
 
 function ensure_brew_keg_binary() {
@@ -104,42 +109,37 @@ function ensure_brew_keg_binary() {
     return
   fi
 
-  check_binary brew
   formula_prefix=$(brew --prefix "$2")
   if [ ! -x "${formula_prefix}/bin/$1" ]; then
     brew install "$2"
   fi
   export PATH="${formula_prefix}/bin:${PATH}"
-  check_binary "$1"
 }
 
 export PATH="${HOME}/.local/bin:${PATH}"
 
-for BINARY in "${NVIM_REQUIRED_BINARIES[@]}"; do
-  check_binary "$BINARY"
-done
-
 if ! command -v eslint >/dev/null 2>&1; then
   npm install --global --prefix "${HOME}/.local" eslint
 fi
-check_binary eslint
 
 if ! command -v luafmt >/dev/null 2>&1; then
   npm install --global --prefix "${HOME}/.local" lua-fmt
 fi
-check_binary luafmt
 
 if [ "${NVIM_OS}" = "macOS" ]; then
+  check_binary brew
   ensure_brew_binary cppcheck cppcheck
   ensure_brew_binary cppman cppman
   ensure_brew_binary pwsh powershell
   ensure_brew_binary vala-language-server vala-language-server
   ensure_brew_keg_binary clang-tidy llvm
+
+  check_binary pwsh
 fi
-check_binary clang-tidy
-check_binary cppcheck
-check_binary cppman
-check_binary valac
+
+for BINARY in "${NVIM_REQUIRED_BINARIES[@]}"; do
+  check_binary "$BINARY"
+done
 
 pushd "${SCRIPT_DIR}" 1>/dev/null 2>&1 || error_exit "failed to push: ${SCRIPT_DIR}"
 FNAME=cpptools-${NVIM_OS}-${NVIM_ARCH2}.vsix