Added installing "xz" if xz not exist. Updated to use curl, because wget is...

Added installing "xz" if xz not exist. Updated to use curl, because wget is not available on Google OnHub.

install.sh

@@ -47,6 +47,10 @@ case "$architecture" in
   sha256s+=('94662756e545c73d76c37b2b83dd9852ebe71f4a17fc80d85db0fbaef72d4ca3')
   ;;
 "armv7l")
+  if ! type "xz" > /dev/null; then
+    urls+=('https://github.com/snailium/chrome-cross/releases/download/v1.8.1/xz-5.2.3-chromeos-armv7l.tar.gz')
+    sha256s+=('4dc9f086ee7613ab0145ec0ed5ac804c80c620c92f515cb62bae8d3c508cbfe7')
+  fi
   urls+=('https://github.com/jam7/chrome-cross/releases/download/v1.8/ruby-2.4.1-chromeos-armv7l.tar.xz')
   sha256s+=('6c0ef23447d4591739dc00fa9b021a4d83291acbc37330e659d257efed474caf')
   urls+=('https://github.com/jam7/chrome-cross/releases/download/v1.8/git-2.13.0-chromeos-armv7l.tar.xz')
@@ -78,7 +82,7 @@ function download_check () {
 
     #download
     echo "Downloading $1..."
-    wget -c $2 -O $3
+    curl --ignore-content-length -# -L --ssl $2 -o "$3"
 
     #verify
     echo "Verifying $1..."
@@ -156,15 +160,15 @@ done
 #download, prepare and install chromebrew
 cd $CREW_LIB_PATH
 rm -rf crew lib packages
-wget -N $URL/crew
+curl -R $URL/crew
 chmod +x crew
 rm -f $CREW_PREFIX/bin/crew
 ln -s `pwd`/crew $CREW_PREFIX/bin
 #install crew library
 mkdir -p $CREW_LIB_PATH/lib
 cd $CREW_LIB_PATH/lib
-wget -N $URL/lib/package.rb
-wget -N $URL/lib/package_helpers.rb
+curl -R $URL/lib/package.rb
+curl -R $URL/lib/package_helpers.rb
 
 #Making GCC act like CC (For some npm packages out there)
 rm -f /usr/local/bin/cc