dotnet: use official dotnet completion (#8518)

plugins/dotnet/dotnet.plugin.zsh

-# --------------------------------------------------------------------- #
-# Aliases and Completions for .NET Core (https://dotnet.microsoft.com/) #
-# Author: Shaun Tabone (https://github.com/xontab)                      #
-# --------------------------------------------------------------------- #
+# This scripts is copied from (MIT License):
+# https://github.com/dotnet/toolset/blob/master/scripts/register-completions.zsh
 
-# Helper function to cache and load completions
-local cache_base_path="${ZSH_CACHE_DIR}/dotnet_"
-_dotnet_cache_completion() {
-    local cache="${cache_base_path}$(echo $1)_completion"
-    if [[ ! -f $cache ]]; then
-        $2 $cache
-    fi
-
-    [[ -f $cache ]] && cat $cache
-}
-
-_dotnet_cache_completion_cleanup() {
-    local cache="${cache_base_path}$(echo $1)_completion"
-    rm -f $cache
-}
-
-# --------------------------------------------------------------------- #
-# dotnet new                                                            #
-# ALIAS: dn                                                             #
-# --------------------------------------------------------------------- #
-_dotnet_new_completion() {
-    if [ $commands[dotnet] ]; then
-        dotnet new -l | tail -n +21 | sed 's/  \+/:/g' | cut -d : -f 2 >$1
-    fi
-}
-
-_dotnet_new_completion_cached() {
-    _dotnet_cache_completion 'new' _dotnet_new_completion
-}
-
-_dotnet_cache_completion_cleanup 'new'
+_dotnet_zsh_complete() 
+{
+  local completions=("$(dotnet complete "$words")")
 
-alias dn='dotnet new'
-
-# --------------------------------------------------------------------- #
-# dotnet                                                                #
-# --------------------------------------------------------------------- #
-_dotnet() {
-    if [ $CURRENT -eq 2 ]; then
-        _arguments \
-            '--diagnostics[Enable diagnostic output.]' \
-            '--help[Show command line help.]' \
-            '--info[Display .NET Core information.]' \
-            '--list-runtimes[Display the installed runtimes.]' \
-            '--list-sdks[Display the installed SDKs.]' \
-            '--version[Display .NET Core SDK version in use.]'
-
-        _values \
-            'add[Add a package or reference to a .NET project.]' \
-            'build[Build a .NET project.]' \
-            'build-server[Interact with servers started by a build.]' \
-            'clean[Clean build outputs of a .NET project.]' \
-            'help[Show command line help.]' \
-            'list[List project references of a .NET project.]' \
-            'msbuild[Run Microsoft Build Engine (MSBuild) commands.]' \
-            'new[Create a new .NET project or file.]' \
-            'nuget[Provides additional NuGet commands.]' \
-            'pack[Create a NuGet package.]' \
-            'publish[Publish a .NET project for deployment.]' \
-            'remove[Remove a package or reference from a .NET project.]' \
-            'restore[Restore dependencies specified in a .NET project.]' \
-            'run[Build and run a .NET project output.]' \
-            'sln[Modify Visual Studio solution files.]' \
-            'store[Store the specified assemblies in the runtime package store.]' \
-            'test[Run unit tests using the test runner specified in a .NET project.]' \
-            'tool[Install or manage tools that extend the .NET experience.]' \
-            'vstest[Run Microsoft Test Engine (VSTest) commands.]' \
-            'dev-certs[Create and manage development certificates.]' \
-            'fsi[Start F# Interactive / execute F# scripts.]' \
-            'sql-cache[SQL Server cache command-line tools.]' \
-            'user-secrets[Manage development user secrets.]' \
-            'watch[Start a file watcher that runs a command when files change.]'
-        return
-    fi
-
-    if [ $CURRENT -eq 3 ]; then
-        case ${words[2]} in
-        "new")
-            compadd -X ".NET Installed Templates" $(_dotnet_new_completion_cached)
-            return
-            ;;
-        "sln")
-            _values \
-                'add[Add one or more projects to a solution file.]' \
-                'list[List all projects in a solution file.]' \
-                'remove[Remove one or more projects from a solution file.]'
-            return
-            ;;
-        "nuget")
-            _values \
-                'delete[Deletes a package from the server.]' \
-                'locals[Clears or lists local NuGet resources such as http requests cache, packages folder, plugin operations cache  or machine-wide global packages folder.]' \
-                'push[Pushes a package to the server and publishes it.]'
+  # If the completion list is empty, just continue with filename selection
+  if [ -z "$completions" ]
+  then
+    _arguments '*::arguments: _normal'
     return
-            ;;
-        esac
   fi
 
-    _arguments '*::arguments: _normal'
+  # This is not a variable assigment, don't remove spaces!
+  _values = "${(ps:\n:)completions}"
 }
 
-compdef _dotnet dotnet
+compdef _dotnet_zsh_complete dotnet
 
-# --------------------------------------------------------------------- #
-# Other Aliases                                                         #
-# --------------------------------------------------------------------- #
+# Aliases bellow are here for backwards compatibility
+# added by Shaun Tabone (https://github.com/xontab) 
+
+alias dn='dotnet new'
 alias dr='dotnet run'
 alias dt='dotnet test'
 alias dw='dotnet watch'