Add integration and autocompletion to jabba

plugins/jabba/jabba.plugin.zsh

@@ -0,0 +1,57 @@
+# zsh integration and autocompletions for https://github.com/shyiko/jabba"
+
+jabba() {
+  local fd3=$(mktemp /tmp/jabba-fd3.XXXXXX)
+  (JABBA_SHELL_INTEGRATION=ON /usr/bin/jabba "$@" 3>| ${fd3})
+  local exit_code=$?
+  eval $(cat ${fd3})
+  rm -f ${fd3}
+  return ${exit_code}
+}
+
+_jabba_get_command_list () {
+  $_comp_command1 2>/dev/null | sed "1,/Available Commands/d" | awk '/^[ \t]*[a-z]+/ { print $1 }'
+}
+
+_jabba_get_installed_list () {
+  $_comp_command1 ls
+}
+
+_jabba_get_available_list () {
+  $_comp_command1 ls-remote
+}
+
+_jabba () {
+  local curcontext="$curcontext" state line
+  typeset -A opt_args
+
+  _arguments \
+    '1: :->command'\
+    ':subcommand:->subcommand'
+
+  case $state in
+    command)
+      compadd $(_jabba_get_command_list)
+      ;;
+    subcommand)
+      case $words[2] in
+        use)
+	  compadd $(_jabba_get_installed_list)
+	  ;;
+	install)
+	  compadd $(_jabba_get_available_list)
+	  ;;
+	uninstall)
+	  compadd $(_jabba_get_installed_list)
+	  ;;
+      esac
+      ;;
+  esac
+}
+
+compdef _jabba jabba
+
+# switch to default upon terminal startup
+if [ ! -z "$(jabba alias default)" ]; then
+  jabba use default
+fi