Use stack internal

plugins/stack/stack.plugin.zsh

@@ -1,71 +1,3 @@
-function _stack_package_name() {
-  grep "^name: [^ ]*" *.cabal | sed "s/name: *//" | sed "s/--.*//"
-}
-
-function _stack_exes() {
-  grep "^executable [^ ]*" *.cabal | sed "s/executable //" | sed "s/--.*//"
-}
-
-function _stack_tests() {
-  PACK_NAME="$(_stack_package_name)"
-  grep "^test-suite [^ ]*" *.cabal | sed "s/test-suite //" | sed "s/--.*//" | sed "s/\(.*\)/$PACK_NAME:\1/"
-}
-
-function _stack_commands() {
-    local ret=1
-
-    _arguments \
-    '1: :->subcommand'\
-    '2: :->options'\
-    '*: :->flags' && ret=0
-
-    case $state in
-      subcommand)
-        subcommands=(
-          "build:Build the project(s) in this directory/configuration"
-          "install:Build executables and install to a user path"
-          "test:Build and test the project(s) in this directory/configuration"
-          "bench:Build and benchmark the project(s) in this directory/configuration"
-          "haddock:Generate haddocks for the project(s) in this directory/configuration"
-          "new:Create a brand new project"
-          "init:Initialize a stack project based on one or more stack packages"
-          "solver:Use a dependency solver to try and determine missing extra-deps"
-          "setup:Get the appropriate ghc for your project"
-          "path:Print out handy path information"
-          "unpack:Unpack one or more packages locally"
-          "update:Update the package index"
-          "upgrade:Upgrade to the latest stack (experimental)"
-          "upload:Upload a package to Hackage"
-          "dot:Visualize your project's dependency graph using Graphviz dot"
-          "exec:Execute a command"
-          "ghc:Run ghc"
-          "ghci:Run ghci in the context of project(s)"
-          "ide:Run ide-backend-client with the correct arguments"
-          "runghc:Run runghc"
-          "clean:Clean the local packages"
-          "docker:Subcommands specific to Docker use"
-        )
-        _describe -t subcommands 'stack subcommands' subcommands && ret=0
-        ;;
-      options)
-        case $words[2] in
-          'exec')
-            compadd "$@" `_stack_exes`
-            ;;
-          'test')
-            compadd "$@" `_stack_tests`
-            ;;
-          *)
-            _files
-        esac
-        ;;
-      *)
-        case $words[2] in
-          *)
-            _files
-        esac
-    esac
-    return ret
-}
-
-compdef _stack_commands stack
+autoload -U +X compinit && compinit
+autoload -U +X bashcompinit && bashcompinit
+eval "$(stack --bash-completion-script stack)"