Add completion script for rsvm

src/_rsvm

@@ -0,0 +1,88 @@
+#compdef rsvm
+# ------------------------------------------------------------------------------
+# Copyright (c) 2016 Github zsh-users - http://github.com/zsh-users
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#     * Neither the name of the zsh-users nor the
+#       names of its contributors may be used to endorse or promote products
+#       derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+# DISCLAIMED. IN NO EVENT SHALL ZSH-USERS BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+# ------------------------------------------------------------------------------
+# Description
+# -----------
+#
+#  Completion script for rsvm (https://github.com/sdepold/rsvm).
+#  Adapted from Docker Machine completion by hhatto (https://github.com/ilkka)
+#
+# ------------------------------------------------------------------------------
+# Authors
+# -------
+#
+#  * michaelmior (https://github.com/michaelmior)
+#
+# ------------------------------------------------------------------------------
+
+# helper function for completing available rusts
+__rusts() {
+  declare -a rusts_cmd
+  rusts_cmd=($(ls "$HOME/.rsvm/versions"))
+  _describe 'rusts' rusts_cmd
+}
+
+# subcommands
+local -a _rsvm_cmds
+
+_rsvm_cmds=(
+   'help:Show a help message' \
+   'install:Download and install a version' \
+   'uninstall:Uninstall a version' \
+   'use:Activate a version for now and the future' \
+   'ls:List all installed versions of rust' \
+   'ls-remote:List remote versions available for install' \
+   'ls-channel:Print a channel version available for install' \
+)
+
+# subcommand completion functions
+__uninstall() {
+  __rusts
+}
+
+__use() {
+  __rusts
+}
+
+# common args
+_arguments \
+  '--help[show help]' \
+  '--version[print the version]' \
+  '*:: :->command'
+
+# start rusts!
+if (( CURRENT == 1 )); then
+  _describe -t commands 'rsvm command' _rsvm_cmds
+fi
+
+local -a _command_args
+case "$words[1]" in
+  uninstall)
+    __uninstall ;;
+  use)
+    __use ;;
+esac