Fix static analysis failures

src/freedombone-utils-nodejs

 
 function mesh_install_nodejs {
     mesh_install_nodejs_prefix=
-    if [ $rootdir ]; then
+    if [ "$rootdir" ]; then
         mesh_install_nodejs_prefix="chroot $rootdir"
     fi
 
     $mesh_install_nodejs_prefix apt-get -yq install libxext-dev libxtst-dev libxkbfile-dev
     $mesh_install_nodejs_prefix apt-get -yq install apt-transport-https
     $mesh_install_nodejs_prefix wget https://deb.nodesource.com/gpgkey/nodesource.gpg.key -O /root/node.gpg.key
-    if [ ! -f $rootdir/root/node.gpg.key ]; then
+    if [ ! -f "$rootdir/root/node.gpg.key" ]; then
         echo $'Unable to obtain gpg key for nodejs repo'
         exit 6389252
     fi
     $mesh_install_nodejs_prefix apt-key add /root/node.gpg.key
-    echo "deb https://deb.nodesource.com/node_6.x stretch main" > $rootdir/etc/apt/sources.list.d/nodesource.list
-    echo "deb-src https://deb.nodesource.com/node_6.x stretch main" >> $rootdir/etc/apt/sources.list.d/nodesource.list
+    echo "deb https://deb.nodesource.com/node_6.x stretch main" > "$rootdir/etc/apt/sources.list.d/nodesource.list"
+    echo "deb-src https://deb.nodesource.com/node_6.x stretch main" >> "$rootdir/etc/apt/sources.list.d/nodesource.list"
 
     $mesh_install_nodejs_prefix apt-get update
     $mesh_install_nodejs_prefix apt-get -yq remove --purge nodejs
 
-    if [ -d $rootdir/usr/local/lib/node_modules ]; then
-        rm -rf $rootdir/usr/local/lib/node_modules
+    if [ -d "$rootdir/usr/local/lib/node_modules" ]; then
+        rm -rf "$rootdir/usr/local/lib/node_modules"
     fi
-    if [ -f $rootdir/usr/local/bin/node ]; then
-        rm $rootdir/usr/local/bin/node
+    if [ -f "$rootdir/usr/local/bin/node" ]; then
+        rm "$rootdir/usr/local/bin/node"
     fi
-    if [ -f $rootdir/usr/bin/node ]; then
+    if [ -f "$rootdir/usr/bin/node" ]; then
         rm /usr/bin/node
     fi
-    if [ -f $rootdir/usr/bin/nodejs ]; then
-        rm $rootdir/usr/bin/nodejs
+    if [ -f "$rootdir/usr/bin/nodejs" ]; then
+        rm "$rootdir/usr/bin/nodejs"
     fi
 
     $mesh_install_nodejs_prefix apt-get -yq install nodejs
 
-    if [ -f $rootdir/usr/bin/nodejs ]; then
-        cp $rootdir/usr/bin/nodejs $rootdir/usr/bin/node
+    if [ -f "$rootdir/usr/bin/nodejs" ]; then
+        cp "$rootdir/usr/bin/nodejs" "$rootdir/usr/bin/node"
     fi
 
-    if [ ! -f ${rootdir}/usr/bin/node ]; then
-        if [ ! -f ${rootdir}/usr/local/bin/node ]; then
-            if [ ! -f ${rootdir}/usr/bin/nodejs ]; then
+    if [ ! -f "${rootdir}/usr/bin/node" ]; then
+        if [ ! -f "${rootdir}/usr/local/bin/node" ]; then
+            if [ ! -f "${rootdir}/usr/bin/nodejs" ]; then
                 echo $'nodejs was not installed'
                 exit 63962
             fi
         fi
     fi
 
-    if [ ! -f $rootdir/usr/bin/node ]; then
+    if [ ! -f "$rootdir/usr/bin/node" ]; then
         echo $'/usr/bin/node not found'
         exit 7235728
     fi
 
     $mesh_install_nodejs_prefix npm config set unsafe-perm true
     $mesh_install_nodejs_prefix npm install --arch=$NPM_ARCH -g npm@${NPM_VERSION} --save
-    if [ -f $rootdir/usr/local/bin/npm ]; then
-        cp $rootdir/usr/local/bin/npm /usr/bin/npm
+    if [ -f "$rootdir/usr/local/bin/npm" ]; then
+        cp "$rootdir/usr/local/bin/npm" /usr/bin/npm
     fi
-    cp $rootdir/usr/bin/npm $rootdir/root/npm
+    cp "$rootdir/usr/bin/npm" "$rootdir/root/npm"
 
     # update from the old debian nodejs version
     $mesh_install_nodejs_prefix npm install --arch=$NPM_ARCH -g n@${NODEJS_N_VERSION} --save
     $mesh_install_nodejs_prefix n --arch $N_ARCH ${NODEJS_VERSION}
-    cp $rootdir/root/npm $rootdir/usr/bin/npm
+    cp "$rootdir/root/npm" "$rootdir/usr/bin/npm"
 
     # deliberate second install of npm
     $mesh_install_nodejs_prefix npm install --arch=$NPM_ARCH -g npm@${NPM_VERSION} --save
-    if [ -f $rootdir/usr/local/bin/npm ]; then
-        cp $rootdir/usr/local/bin/npm /usr/bin/npm
+    if [ -f "$rootdir/usr/local/bin/npm" ]; then
+        cp "$rootdir/usr/local/bin/npm" /usr/bin/npm
     fi
-    cp $rootdir/usr/bin/npm $rootdir/root/npm
+    cp "$rootdir/usr/bin/npm" "$rootdir/root/npm"
 
     # check the version numbers
-    cat <<EOF > $rootdir/usr/bin/test_nodejs_install
+    cat <<EOF > "$rootdir/usr/bin/test_nodejs_install"
 #!/bin/bash
 node_version=\$(node -v)
 if [[ "\$node_version" != "v${NODEJS_VERSION}" ]]; then
     exit 2
 fi
 EOF
-    chmod +x $rootdir/usr/bin/test_nodejs_install
-    $mesh_install_nodejs_prefix /usr/bin/test_nodejs_install
-    if [ ! "$?" = "0" ]; then
+    chmod +x "$rootdir/usr/bin/test_nodejs_install"
+    if ! $mesh_install_nodejs_prefix /usr/bin/test_nodejs_install; then
         echo $"nodejs version numbers did not match. Architecture is $NPM_ARCH."
         exit 76835282
     fi
-    rm $rootdir/usr/bin/test_nodejs_install
+    rm "$rootdir/usr/bin/test_nodejs_install"
 }
 
 function remove_nodejs {
-    if [ ! $1 ]; then
+    if [ ! "$1" ]; then
         return
     fi
-    if [ ! -f $NODEJS_INSTALLED_APPS_FILE ]; then
+    if [ ! -f "$NODEJS_INSTALLED_APPS_FILE" ]; then
         #remove_app nodejs
         return
     fi
-    sed -i "/install_${1}/d" $NODEJS_INSTALLED_APPS_FILE
-    if ! grep -q "install_" $NODEJS_INSTALLED_APPS_FILE; then
+    sed -i "/install_${1}/d" "$NODEJS_INSTALLED_APPS_FILE"
+    if ! grep -q "install_" "$NODEJS_INSTALLED_APPS_FILE"; then
         apt-get -yq remove --purge nodejs
 
         if [ -f /usr/bin/nodejs ]; then
 
         remove_app nodejs
 
-        rm $NODEJS_INSTALLED_APPS_FILE
+        rm "$NODEJS_INSTALLED_APPS_FILE"
 
         apt-get -yq autoremove
     fi
 }
 
 function install_nodejs {
-    if [ $INSTALLING_MESH ]; then
+    if [ "$INSTALLING_MESH" ]; then
         mesh_install_nodejs
         return
     fi
         return
     fi
 
-    if [ ! $ARCHITECTURE ]; then
+    if [ ! "$ARCHITECTURE" ]; then
         ARCHITECTURE=$(uname -m)
     fi
     rootdir=
         exit 5274527
     fi
 
-    if [ $1 ]; then
-        if ! grep -q "install_${1}" $NODEJS_INSTALLED_APPS_FILE; then
-            echo "install_${1}" >> $NODEJS_INSTALLED_APPS_FILE
+    if [ "$1" ]; then
+        if ! grep -q "install_${1}" "$NODEJS_INSTALLED_APPS_FILE"; then
+            echo "install_${1}" >> "$NODEJS_INSTALLED_APPS_FILE"
         fi
     fi