Support jruby

bin/install

@@ -4,6 +4,7 @@ install_ruby() {
   local install_type=$1
   local version=$2
   local install_path=$3
+  local ruby_type=$(get_ruby_type $version)
 
   if [ "$TMPDIR" = "" ]; then
     local tmp_download_dir=$(mktemp -d)
@@ -20,13 +21,17 @@ install_ruby() {
   # because we don't want to disturb current working dir
   (
     cd $(dirname $source_path)
-    tar zxf $source_path || exit 1
+    if [ "${ruby_type}" = "jruby" ]; then
+      tar zxf $source_path -C $(dirname $install_path) || exit 1
+      exit 0
+    else
+      tar zxf $source_path || exit 1
+    fi
 
     # we use untar path because the extracted dir maybe diff
     # ideally should be using tar with --strip-components 1
     cd $(untar_path $install_type $version $tmp_download_dir)
 
-
     if [ "$ASDF_PKG_MISSING" != "" ]; then
       echo "WARNING: Might use OS-provided pkgs for the following: $ASDF_PKG_MISSING"
     fi
@@ -119,7 +124,11 @@ download_source() {
   local download_path=$3
   local download_url=$(get_download_url $install_type $version)
 
-  curl -Lo $download_path -C - $download_url
+  if [ -f $download_path ]; then
+    rm $download_path
+  fi
+
+  curl -Lo $download_path $download_url
 }
 
 
@@ -133,9 +142,9 @@ get_download_file_path() {
 
   if [ "${ruby_type}" = "ruby" ]; then
     local pkg_name="ruby-${ruby_version}.tar.gz"
+  elif [ "${ruby_type}" = "jruby" ]; then
+    local pkg_name="jruby-bin-${ruby_version}.tar.gz"
   fi
-  # TODO for jruby
-  # elif [ "${ruby_type}" = "jruby" ]; then
 
   echo "$tmp_download_dir/$pkg_name"
 }
@@ -151,11 +160,10 @@ untar_path() {
 
   if [ "${ruby_type}" = "ruby" ]; then
     local dir_name="ruby-${ruby_version}"
+  elif [ "${ruby_type}" = "jruby" ]; then
+    local dir_name="jruby-${ruby_version}"
   fi
 
-  # TODO for jruby
-  # elif [ "${ruby_type}" = "jruby" ]; then
-
   echo "$tmp_download_dir/$dir_name"
 }
 
@@ -170,10 +178,9 @@ get_download_url() {
   if [ "${ruby_type}" = "ruby" ]; then
     local ruby_base_version=$(get_ruby_base_version $ruby_version)
     echo "http://cache.ruby-lang.org/pub/ruby/${ruby_base_version}/ruby-${ruby_version}.tar.gz"
+  elif [ "${ruby_type}" = "jruby" ]; then
+    echo "https://s3.amazonaws.com/jruby.org/downloads/${ruby_version}/jruby-bin-${ruby_version}.tar.gz"
   fi
-
-  # TODO for jruby
-  # elif [ "${ruby_type}" = "jruby" ]; then
 }
 
 
@@ -189,8 +196,12 @@ get_ruby_version() {
   IFS='-' read -a version_info <<< "$1"
 
   if [ "${version_info[0]}" = "jruby" ]; then
-    # TODO jruby
-    echo "${version_info[1]}-${version_info[2]}"
+    # jruby
+    if [ "${#version_info[@]}" -eq 2 ]; then
+      echo "${version_info[1]}"
+    else
+      echo "${version_info[1]}-${version_info[2]}"
+    fi
   else
     # ruby
     if [ "${#version_info[@]}" -eq 1 ]; then