_errcheck

#compdef errcheck

# -----------------------------------------------------------------------------
# The BSD-3-Clause License
#
# Copyright (c) 2018, Koichi Shiraishi
# 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 que 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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.
# -----------------------------------------------------------------------------
#
# github.com/kisielk/errcheck
#
# -----------------------------------------------------------------------------
#
# Usage of errcheck:
#   -abspath
#     	print absolute paths to files
#   -asserts
#     	if true, check for ignored type assertion results
#   -blank
#     	if true, check for errors assigned to blank identifier
#   -exclude string
#     	Path to a file containing a list of functions to exclude from checking
#   -ignore value
#     	[deprecated] comma-separated list of pairs of the form pkg:regex
#     	            the regex is used to ignore names within pkg.
#   -ignorepkg string
#     	comma-separated list of package paths to ignore
#   -ignoretests
#     	if true, checking of _test.go files is disabled
#   -tags value
#     	space-separated list of build tags to include
#   -verbose
#     	produce more verbose logging
#
# -----------------------------------------------------------------------------

function _errcheck() {
  local context curcontext=$curcontext state line expl ret=1
  declare -A opt_args

  _go_files() {
    _alternative '*:go file:_path_files -g "*.go(-.)"'
  }

  _go_packages() {
    local -a gopaths
    gopaths=("${(s/:/)$(go env GOPATH)}")
    gopaths+=("$(go env GOROOT)")
    for p in $gopaths; do
      _alternative ':go package:_path_files -W "$p/src" -/'
    done
    _alternative '*: :_go_files'

    local -a go_args
    go_args=(
    './...:glob match'
    'main:top-level package in a stand-alone executable.'
    'all:expands to all packages found in all the GOPATH trees.'
    'std:all but expands to just the packages in the standard Go library.'
    "cmd:expands to the Go repository's commands and their internal libraries."
    )
    _describe 'args' go_args
  }

  _arguments -C \
    '-abspath[print absolute paths to files]' \
    '-asserts[check for ignored type assertion results]' \
    '-blank[check for errors assigned to blank identifier]' \
    '-exclude[Path to a file containing a list of functions to exclude from checking]:exclude path:_files' \
    "-ignore[Deprecated: comma-separated list of pairs of the form 'pkg:regex' the regex is used to ignore names within pkg.]:ignore regex pattern" \
    '-ignorepkg[comma-separated list of package paths to ignore]:ignore package paths:_go_packages'\
    '-ignoretests[checking of _test.go files is disabled]' \
    '-tags[space-separated list of build tags to include]:go tags' \
    '-verbose[produce more verbose logging]' \
    '*:: :_go_packages' \
    && ret=0

  return ret
}

_errcheck "$*"

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