#compdef stack
# ------------------------------------------------------------------------------
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# modification, are permitted provided that the following conditions are met:
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#       notice, this list of conditions and the following disclaimer.
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#       derived from this software without specific prior written permission.
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# 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
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# (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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# 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 stack (https://github.com/commercialhaskell/stack).
#
# ------------------------------------------------------------------------------
# Authors
# -------
#
#  * Toshiki Teramura <toshiki.teramura@gmail.com>
#
# ------------------------------------------------------------------------------

_stack () {
    _arguments \
        --version'[display version information]' \
        --help'[display usage information]' \
        '--docker*''[run "stack --docker-help" for details]' \
        --verbosity'[verbosity: silent, error, warn, info, debug]' \
        {-v,--verbose}'[enable verbose mode: verbosity level "debug"]' \
        --system-ghc'[enable using the system installed GHC (on the PATH) if available and a matching version]' \
        --no-system-ghc'[disable using the system installed GHC (on the PATH) if available and a matching version]' \
        --install-ghc'[enable downloading and installing GHC if necessary (can be done manually with stack setup)]' \
        --no-install-ghc'[disable downloading and installing GHC if necessary (can be done manually with stack setup)]' \
        --arch'[system architecture, e.g. i386, x86_64]' \
        --os'[operating system, e.g. linux, windows]' \
        {-j,--jobs}'[number of concurrent jobs to run]' \
        --extra-include-dirs'[extra directories to check for C header files]' \
        --extra-lib-dirs'[extra directories to check for libraries]' \
        --skip-ghc-check'[enable skipping the GHC version and architecture check]' \
        --no-skip-ghc-check'[disable skipping the GHC version and architecture check]' \
        --skip-msys'[enable skipping the local MSYS installation (Windows only)]' \
        --no-skip-msys'[disable skipping the local MSYS installation (Windows only)]' \
        --resolver'[override resolver in project file]' \
        --no-terminal'[override terminal detection in the case of running in a false terminal]' \
        --stack-yaml'[override project stack.yaml file (overrides any STACK_YAML environment variable)]' \
        '*: :__stack_modes'
}

__stack_modes () {
    _values \
        'subcommand' \
        '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 cabal 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 projects 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]'

}

_stack "$@"