fix shellcheck issues in build.sh

build.sh

@@ -2,7 +2,7 @@
 
 set -e
 
-TPUT=$(which tput 2>/dev/null || echo true)
+TPUT=$(command -v tput 2>/dev/null || echo true)
 
 DIR=$(cd "$(dirname "$0")"; pwd -P)
 
@@ -11,7 +11,7 @@ TOOLCHAIN_IMAGE="esp32-toolchain:latest"
 DOCKERFILE="$DIR/Dockerfile"
 
 echo_status() {
-    echo "$($TPUT setaf 2)==> $@$($TPUT sgr0)"
+    echo "$($TPUT setaf 2)==> $*$($TPUT sgr0)"
 }
 
 get_docker_run_flags() {
@@ -23,7 +23,7 @@ get_docker_run_flags() {
         fi
         USB_SERIAL_DEVICES=$(find /dev -name 'ttyUSB0' -o -name 'ttyACM*')
         for device in $USB_SERIAL_DEVICES; do
-            DOCKER_RUN_FLAGS+=(--device $device)
+            DOCKER_RUN_FLAGS+=(--device "$device")
             echo_status "Adding device $device to container"
         done
     fi
@@ -38,7 +38,7 @@ build_docker_container() {
 build_docker() {
     build_docker_container
     get_docker_run_flags
-    local targets="$@"
+    local targets=$*
     if [ -z "$targets" ]; then
         targets="all"
     fi
@@ -55,7 +55,7 @@ build_cmake() {
     cd "$BUILD_DIR"
     echo_status "CMake configure"
     cmake -G Ninja "$DIR"
-    echo_status "CMake build $@"
+    echo_status "CMake build $*"
     cmake --build "$BUILD_DIR" -- "$@"
 }