update shellcheck to v0.10.0

Signed-off-by: Tonis Tiigi <tonistiigi@gmail.com>

hack/dockerfiles/shellcheck.Dockerfile

@@ -1,5 +1,6 @@
-# syntax = docker/dockerfile:1.5
-FROM koalaman/shellcheck-alpine:v0.7.2
+# syntax=docker/dockerfile:1.8
+# check=error=true
+
+FROM koalaman/shellcheck-alpine:v0.10.0
 WORKDIR /src
-COPY src .
-RUN shellcheck xx-*
+RUN --mount=type=bind,src=src shellcheck xx-*

src/xx-cc

@@ -402,7 +402,7 @@ setup() {
     if [ "$exp" = "riscv64" ]; then
       exp="riscv"
     fi
-    if ld -V 2>/dev/null | grep $exp >/dev/null; then
+    if ld -V 2>/dev/null | grep "$exp" >/dev/null; then
       ln -s "$(command -v ld)" "/usr/bin/${target}-ld"
       linker="/usr/bin/${target}-ld"
       XX_CC_PREFER_LINKER=
@@ -538,7 +538,7 @@ EOT
 }
 
 check_compiler() {
-  if [ ! -f /usr/bin/$name ]; then
+  if [ ! -f "/usr/bin/$name" ]; then
     echo >&2 "/usr/bin/$name not found. Make sure package is installed. xx doesn't currently support binaries in custom location"
     exit
   fi
@@ -560,7 +560,7 @@ downloadLD=
 for p in "$@"; do
   # ignore if custom --config already set
   if [ "${p}" = "--config" ]; then
-    exec /usr/bin/$name "$@"
+    exec "/usr/bin/$name" "$@"
   fi
   if [ "${p}" = "--print-target-triple" ] || [ "${p}" = "-print-target-triple" ]; then
     printTarget=1
@@ -667,15 +667,15 @@ if [ -z "${target}" ] && [ ! -f /etc/llvm/xx-default.cfg ] && [ -n "$wrapped" ];
   setup
 fi
 
-if [ ! -f /usr/bin/$name ]; then
+if [ ! -f "/usr/bin/$name" ]; then
   echo >&2 "/usr/bin/$name not found. Make sure package is installed. xx doesn't currently support binaries in custom location"
   exit
 fi
 
 if [ -z "$target" ] && [ -f /etc/llvm/xx-default.cfg ]; then
-  exec /usr/bin/$name --config /etc/llvm/xx-default.cfg "$@"
+  exec "/usr/bin/$name" --config /etc/llvm/xx-default.cfg "$@"
 elif [ -f "/usr/bin/${target}.cfg" ]; then
-  exec /usr/bin/$name --config "/usr/bin/${target}.cfg" "$@"
+  exec "/usr/bin/$name" --config "/usr/bin/${target}.cfg" "$@"
 else
-  exec /usr/bin/$name "$@"
+  exec "/usr/bin/$name" "$@"
 fi

src/xx-go

@@ -6,8 +6,8 @@ for l in $(xx-info env); do
   export "${l?}"
 done
 
-export GOOS=${TARGETOS}
-export GOARCH=${TARGETARCH}
+export GOOS="${TARGETOS}"
+export GOARCH="${TARGETARCH}"
 
 case "$TARGETARCH" in
   "amd64")
@@ -67,37 +67,37 @@ ar_set=
 pkgconfig_set=
 
 if command -v "$XX_TRIPLE-gcc" >/dev/null 2>/dev/null; then
-  export CC=$XX_TRIPLE-gcc
+  export CC="$XX_TRIPLE-gcc"
   c_set=1
 fi
 
 if command -v "$XX_TRIPLE-g++" >/dev/null 2>/dev/null; then
-  export CXX=$XX_TRIPLE-g++
+  export CXX="$XX_TRIPLE-g++"
   cxx_set=1
 fi
 
 if command -v clang >/dev/null 2>/dev/null; then
   triple=$(xx-clang --print-target-triple || true)
   if [ -n "$triple" ]; then
-    export CC=$triple-clang
-    export CXX=$triple-clang++
+    export CC="$triple-clang"
+    export CXX="$triple-clang++"
     c_set=1
     cxx_set=1
   fi
 fi
 
 if command -v "$XX_TRIPLE-ar" >/dev/null 2>/dev/null; then
-  export AR=$XX_TRIPLE-ar
+  export AR="$XX_TRIPLE-ar"
   ar_set=1
 fi
 
 if command -v "$XX_TRIPLE-pkg-config" >/dev/null 2>/dev/null; then
-  export PKG_CONFIG=$XX_TRIPLE-pkg-config
+  export PKG_CONFIG="$XX_TRIPLE-pkg-config"
   pkgconfig_set=1
 fi
 
 if [ -z "$GOBIN" ] && [ -n "$GOPATH" ] && [ -n "$GOARCH" ] && [ -n "$GOOS" ]; then
-  export PATH=${GOPATH}/bin/${GOOS}_${GOARCH}:${PATH}
+  export PATH="${GOPATH}/bin/${GOOS}_${GOARCH}:${PATH}"
 fi
 
 wrap() {

src/xx-info

@@ -76,14 +76,14 @@ fi
 
 # break up TARGETPLATFORM if provided
 if [ -n "$TARGETPLATFORM" ]; then
-  os="$(echo $TARGETPLATFORM | cut -d"/" -f1)"
-  arch="$(echo $TARGETPLATFORM | cut -d"/" -f2)"
+  os="$(echo "$TARGETPLATFORM" | cut -d"/" -f1)"
+  arch="$(echo "$TARGETPLATFORM" | cut -d"/" -f2)"
   if [ -n "$os" ] && [ -n "$arch" ]; then
     TARGETOS="$os"
     TARGETARCH="$arch"
     case "$arch" in
       "amd64")
-        case "$(echo $TARGETPLATFORM | cut -d"/" -f3)" in
+        case "$(echo "$TARGETPLATFORM" | cut -d"/" -f3)" in
           "v2")
             TARGETVARIANT="v2"
             ;;
@@ -96,7 +96,7 @@ if [ -n "$TARGETPLATFORM" ]; then
         esac
         ;;
       "arm")
-        case "$(echo $TARGETPLATFORM | cut -d"/" -f3)" in
+        case "$(echo "$TARGETPLATFORM" | cut -d"/" -f3)" in
           "v5")
             TARGETVARIANT="v5"
             ;;
@@ -112,7 +112,7 @@ if [ -n "$TARGETPLATFORM" ]; then
         esac
         ;;
       "mips"*)
-        TARGETVARIANT="$(echo $TARGETPLATFORM | cut -d"/" -f3)"
+        TARGETVARIANT="$(echo "$TARGETPLATFORM" | cut -d"/" -f3)"
         ;;
     esac
   fi
@@ -375,31 +375,31 @@ case "$1" in
     fi
     ;;
   "arch")
-    echo $TARGETARCH
+    echo "$TARGETARCH"
     ;;
   "variant")
-    echo $TARGETVARIANT
+    echo "$TARGETVARIANT"
     ;;
   "os")
-    echo $TARGETOS # TODO:
+    echo "$TARGETOS" # TODO:
     ;;
   "os-version")
     echo "$XX_OS_VERSION"
     ;;
   "march")
-    echo $XX_MARCH
+    echo "$XX_MARCH"
     ;;
   "debian-arch")
-    echo $XX_DEBIAN_ARCH
+    echo "$XX_DEBIAN_ARCH"
     ;;
   "alpine-arch")
-    echo $XX_ALPINE_ARCH
+    echo "$XX_ALPINE_ARCH"
     ;;
   "rhel-arch")
-    echo $XX_RHEL_ARCH
+    echo "$XX_RHEL_ARCH"
     ;;
   "pkg-arch")
-    echo $XX_PKG_ARCH
+    echo "$XX_PKG_ARCH"
     ;;
   "triple")
     echo "$XX_TRIPLE"
@@ -408,7 +408,7 @@ case "$1" in
     echo "$XX_VENDOR"
     ;;
   "libc") # this is not abi, just the prefix
-    echo $XX_LIBC
+    echo "$XX_LIBC"
     ;;
   "env")
     echo "XX_OS=${TARGETOS}"

src/xx-windres

@@ -360,14 +360,14 @@ else
 fi
 
 if [ "$outputf" = "res" ]; then
-  run cp $resfile $output
+  run cp "$resfile" "$output"
 else
   if ! command -v llvm-cvtres 2>/dev/null >/dev/null; then
     echo >&2 "llvm-cvtres not installed"
     exit 1
   fi
 
-  run llvm-cvtres -machine:$machine -out:$output $resfile
+  run llvm-cvtres -machine:$machine "-out:$output" "$resfile"
 fi
 
 if [ -f "$tmpfile" ]; then