Merge pull request #59463 from dixudx/add_verify_spelling

Godeps/Godeps.json

@@ -6,6 +6,7 @@
 		"github.com/onsi/ginkgo/ginkgo",
 		"github.com/jteeuwen/go-bindata/go-bindata",
 		"github.com/tools/godep",
+		"github.com/client9/misspell/cmd/misspell",
 		"./..."
 	],
 	"Deps": [
@@ -355,6 +356,16 @@
 			"Rev": "c6fed771bfd517099caf0f7a961671fa8ed08723"
 		},
 		{
+			"ImportPath": "github.com/client9/misspell",
+			"Comment": "v0.3.0-7-g9ce5d97",
+			"Rev": "9ce5d979ffdaca6385988d7ad1079a33ec942d20"
+		},
+		{
+			"ImportPath": "github.com/client9/misspell/cmd/misspell",
+			"Comment": "v0.3.0-7-g9ce5d97",
+			"Rev": "9ce5d979ffdaca6385988d7ad1079a33ec942d20"
+		},
+		{
 			"ImportPath": "github.com/cloudflare/cfssl/auth",
 			"Comment": "1.2.0",
 			"Rev": "db0d0650b6496bfe8061ec56a92edd32d8e75c30"

Godeps/LICENSES

@@ -11453,6 +11453,66 @@ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 
 ================================================================================
+= vendor/github.com/client9/misspell licensed under: =
+
+The MIT License (MIT)
+
+Copyright (c) 2015-2017 Nick Galbreath
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
+= vendor/github.com/client9/misspell/LICENSE 387f6b7d6741c8a7f4f7e3c2bbdf97e4
+================================================================================
+
+
+================================================================================
+= vendor/github.com/client9/misspell/cmd/misspell licensed under: =
+
+The MIT License (MIT)
+
+Copyright (c) 2015-2017 Nick Galbreath
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+
+= vendor/github.com/client9/misspell/LICENSE 387f6b7d6741c8a7f4f7e3c2bbdf97e4
+================================================================================
+
+
+================================================================================
 = vendor/github.com/cloudflare/cfssl/auth licensed under: =
 
 Copyright (c) 2014 CloudFlare Inc.

hack/.spelling_failures

+BUILD
+CHANGELOG
+OWNERS
+api.pb.go
+api.proto
+docs/api-reference
+docs/man
+docs/user-guide
+generated.pb.go
+generated.proto
+pkg/client/clientset_generated
+pkg/client/informers/informers_generated/
+pkg/generated
+swagger
+test/e2e/generated
+third_party/
+translations/
+vendor/
+zz_generated

hack/godep-save.sh

@@ -58,6 +58,7 @@ REQUIRED_BINS=(
   "github.com/onsi/ginkgo/ginkgo"
   "github.com/jteeuwen/go-bindata/go-bindata"
   "github.com/tools/godep"
+  "github.com/client9/misspell/cmd/misspell"
   "./..."
 )
 

hack/make-rules/verify.sh

@@ -45,6 +45,7 @@ QUICK_PATTERNS+=(
   "verify-imports.sh"
   "verify-pkg-names.sh"
   "verify-readonly-packages.sh"
+  "verify-spelling.sh"
   "verify-staging-client-go.sh"
   "verify-test-images.sh"
   "verify-test-owners.sh"

hack/verify-spelling.sh

+#!/usr/bin/env bash
+# Copyright 2018 The Kubernetes Authors.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+set -o errexit
+set -o nounset
+set -o pipefail
+
+export KUBE_ROOT=$(dirname "${BASH_SOURCE}")/..
+source "${KUBE_ROOT}/hack/lib/init.sh"
+
+# Install tools we need, but only from vendor/...
+cd ${KUBE_ROOT}
+go install ./vendor/github.com/client9/misspell/cmd/misspell
+if ! which misspell >/dev/null 2>&1; then
+    echo "Can't find misspell - is your GOPATH 'bin' in your PATH?" >&2
+    echo "  GOPATH: ${GOPATH}" >&2
+    echo "  PATH:   ${PATH}" >&2
+    exit 1
+fi
+
+# Spell checking
+# All the skipping files are defined in hack/.spelling_failures
+skipping_file="${KUBE_ROOT}/hack/.spelling_failures"
+failing_packages=$(echo `cat ${skipping_file}` | sed "s| | -e |g")
+git ls-files | grep -v -e ${failing_packages} | xargs misspell -i "Creater,creater,ect" -error -o stderr

pkg/cloudprovider/providers/azure/azure_routes_test.go

@@ -122,7 +122,7 @@ func TestCreateRoute(t *testing.T) {
 		t.Errorf("Expected next hop: %v, saw %v", network.RouteNextHopTypeVirtualAppliance, routeInfo.NextHopType)
 	}
 	if *routeInfo.NextHopIPAddress != nodeIP {
-		t.Errorf("Expected IP addres: %s, saw %s", nodeIP, *routeInfo.NextHopIPAddress)
+		t.Errorf("Expected IP address: %s, saw %s", nodeIP, *routeInfo.NextHopIPAddress)
 	}
 }
 

pkg/kubelet/apis/deviceplugin/v1beta1/constants.go

@@ -19,7 +19,7 @@ package v1beta1
 const (
 	// Healthy means that the device is healty
 	Healthy = "Healthy"
-	// UnHealthy means that the device is unhealty
+	// UnHealthy means that the device is unhealthy
 	Unhealthy = "Unhealthy"
 
 	// Current version of the API supported by kubelet

vendor/BUILD

@@ -47,6 +47,7 @@ filegroup(
         "//vendor/github.com/beorn7/perks/quantile:all-srcs",
         "//vendor/github.com/blang/semver:all-srcs",
         "//vendor/github.com/chai2010/gettext-go/gettext:all-srcs",
+        "//vendor/github.com/client9/misspell:all-srcs",
         "//vendor/github.com/cloudflare/cfssl/auth:all-srcs",
         "//vendor/github.com/cloudflare/cfssl/certdb:all-srcs",
         "//vendor/github.com/cloudflare/cfssl/config:all-srcs",

vendor/github.com/client9/misspell/.gitignore

+dist/
+bin/
+
+# editor turds
+*~
+*.gz
+*.bz2
+*.csv
+
+# Compiled Object files, Static and Dynamic libs (Shared Objects)
+*.o
+*.a
+*.so
+
+# Folders
+_obj
+_test
+
+# Architecture specific extensions/prefixes
+*.[568vq]
+[568vq].out
+
+*.cgo1.go
+*.cgo2.c
+_cgo_defun.c
+_cgo_gotypes.go
+_cgo_export.*
+
+_testmain.go
+
+*.exe
+*.test
+*.prof

vendor/github.com/client9/misspell/.travis.yml

+sudo: required
+dist: trusty
+group: edge
+language: go
+go:
+  - 1.8.3
+git:
+  depth: 1
+script:
+  - make -e ci
+after_success:
+  - test -n "$TRAVIS_TAG" && ./scripts/goreleaser.sh

vendor/github.com/client9/misspell/BUILD

+load("@io_bazel_rules_go//go:def.bzl", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = [
+        "ascii.go",
+        "case.go",
+        "legal.go",
+        "mime.go",
+        "notwords.go",
+        "replace.go",
+        "stringreplacer.go",
+        "url.go",
+        "words.go",
+    ],
+    importpath = "github.com/client9/misspell",
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [
+        ":package-srcs",
+        "//vendor/github.com/client9/misspell/cmd/misspell:all-srcs",
+    ],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/github.com/client9/misspell/Dockerfile

+FROM golang:1.8.3-alpine
+
+# cache buster
+RUN echo 4 
+
+# git is needed for "go get" below
+RUN apk add --no-cache git make
+
+# these are my standard testing / linting tools
+RUN /bin/true \
+    && go get -u github.com/golang/dep/cmd/dep \
+    && go get -u github.com/alecthomas/gometalinter \
+    && gometalinter --install \
+    && rm -rf /go/src /go/pkg
+#
+# * SCOWL word list
+#
+# Downloads
+#  http://wordlist.aspell.net/dicts/
+#  --> http://app.aspell.net/create
+#
+
+# use en_US large size
+# use regular size for others
+ENV SOURCE_US_BIG http://app.aspell.net/create?max_size=70&spelling=US&max_variant=2&diacritic=both&special=hacker&special=roman-numerals&download=wordlist&encoding=utf-8&format=inline
+
+# should be able tell difference between English variations using this
+ENV SOURCE_US http://app.aspell.net/create?max_size=60&spelling=US&max_variant=1&diacritic=both&download=wordlist&encoding=utf-8&format=inline
+ENV SOURCE_GB_ISE http://app.aspell.net/create?max_size=60&spelling=GBs&max_variant=2&diacritic=both&download=wordlist&encoding=utf-8&format=inline
+ENV SOURCE_GB_IZE http://app.aspell.net/create?max_size=60&spelling=GBz&max_variant=2&diacritic=both&download=wordlist&encoding=utf-8&format=inline
+ENV SOURCE_CA http://app.aspell.net/create?max_size=60&spelling=CA&max_variant=2&diacritic=both&download=wordlist&encoding=utf-8&format=inline
+
+RUN /bin/true \
+  && mkdir /scowl-wl \
+  && wget -O /scowl-wl/words-US-60.txt ${SOURCE_US} \
+  && wget -O /scowl-wl/words-GB-ise-60.txt ${SOURCE_GB_ISE} 
+

vendor/github.com/client9/misspell/Gopkg.lock

+# This file is autogenerated, do not edit; changes may be undone by the next 'dep ensure'.
+
+
+[[projects]]
+  name = "github.com/gobwas/glob"
+  packages = [".","compiler","match","syntax","syntax/ast","syntax/lexer","util/runes","util/strings"]
+  revision = "bea32b9cd2d6f55753d94a28e959b13f0244797a"
+  version = "v0.2.2"
+
+[solve-meta]
+  analyzer-name = "dep"
+  analyzer-version = 1
+  inputs-digest = "e481c81c87260652d25840e1d95d6e530331c095d64d84422a166f37ae0a77d3"
+  solver-name = "gps-cdcl"
+  solver-version = 1

vendor/github.com/client9/misspell/Gopkg.toml

+
+# Gopkg.toml example
+#
+# Refer to https://github.com/golang/dep/blob/master/docs/Gopkg.toml.md
+# for detailed Gopkg.toml documentation.
+#
+# required = ["github.com/user/thing/cmd/thing"]
+# ignored = ["github.com/user/project/pkgX", "bitbucket.org/user/project/pkgA/pkgY"]
+#
+# [[constraint]]
+#   name = "github.com/user/project"
+#   version = "1.0.0"
+#
+# [[constraint]]
+#   name = "github.com/user/project2"
+#   branch = "dev"
+#   source = "github.com/myfork/project2"
+#
+# [[override]]
+#  name = "github.com/x/y"
+#  version = "2.4.0"
+
+
+[[constraint]]
+  name = "github.com/gobwas/glob"
+  version = "0.2.2"

vendor/github.com/client9/misspell/LICENSE

+The MIT License (MIT)
+
+Copyright (c) 2015-2017 Nick Galbreath
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+

vendor/github.com/client9/misspell/Makefile

+CONTAINER=nickg/misspell
+
+install:  ## install misspell into GOPATH/bin
+	go install ./cmd/misspell
+
+build: hooks  ## build and lint misspell
+	go install ./cmd/misspell
+	gometalinter \
+		 --vendor \
+		 --deadline=60s \
+	         --disable-all \
+		 --enable=vet \
+		 --enable=golint \
+		 --enable=gofmt \
+		 --enable=goimports \
+		 --enable=gosimple \
+		 --enable=staticcheck \
+		 --enable=ineffassign \
+		 --exclude=/usr/local/go/src/net/lookup_unix.go \
+		 ./...
+	go test .
+
+test:  ## run all tests
+	go test .
+
+# the grep in line 2 is to remove misspellings in the spelling dictionary
+# that trigger false positives!!
+falsepositives: /scowl-wl
+	cat /scowl-wl/words-US-60.txt | \
+		grep -i -v -E "payed|Tyre|Euclidian|nonoccurence|dependancy|reenforced|accidently|surprize|dependance|idealogy|binominal|causalities|conquerer|withing|casette|analyse|analogue|dialogue|paralyse|catalogue|archaeolog|clarinettist|catalyses|cancell|chisell|ageing|cataloguing" | \
+		misspell -debug -error
+	cat /scowl-wl/words-GB-ise-60.txt | \
+		grep -v -E "payed|nonoccurence|withing" | \
+		misspell -locale=UK -debug -error
+#	cat /scowl-wl/words-GB-ize-60.txt | \
+#		grep -v -E "withing" | \
+#		misspell -debug -error
+#	cat /scowl-wl/words-CA-60.txt | \
+#		grep -v -E "withing" | \
+#		misspell -debug -error
+
+bench:  ## run benchmarks
+	go test -bench '.*'
+
+clean:  ## clean up time
+	rm -rf dist/ bin/
+	go clean ./...
+	git gc --aggressive
+
+ci:  ## run test like travis-ci does, requires docker
+	docker run --rm \
+		-v $(PWD):/go/src/github.com/client9/misspell \
+		-w /go/src/github.com/client9/misspell \
+		${CONTAINER} \
+		make build falsepositives
+
+docker-build:  ## build a docker test image
+	docker build -t ${CONTAINER} .
+
+docker-pull:  ## pull latest test image
+	docker pull ${CONTAINER}
+
+docker-console:  ## log into the test image
+	docker run --rm -it \
+		-v $(PWD):/go/src/github.com/client9/misspell \
+		-w /go/src/github.com/client9/misspell \
+		${CONTAINER} sh
+
+.git/hooks/pre-commit: scripts/pre-commit.sh
+	cp -f scripts/pre-commit.sh .git/hooks/pre-commit
+.git/hooks/commit-msg: scripts/commit-msg.sh
+	cp -f scripts/commit-msg.sh .git/hooks/commit-msg
+hooks: .git/hooks/pre-commit .git/hooks/commit-msg  ## install git precommit hooks
+
+.PHONY: help ci console docker-build bench
+
+# https://www.client9.com/self-documenting-makefiles/
+help:
+	@awk -F ':|##' '/^[^\t].+?:.*?##/ {\
+	printf "\033[36m%-30s\033[0m %s\n", $$1, $$NF \
+	}' $(MAKEFILE_LIST)
+.DEFAULT_GOAL=help
+.PHONY=help
+

vendor/github.com/client9/misspell/RELEASE-HOWTO.md

+# Release HOWTO
+
+since I forget.
+
+
+1. Review existing tags and pick new release number
+
+    ```bash
+    git tag
+    ```
+
+2. Tag locally 
+
+    ```bash
+    git tag -a v0.1.0 -m "First release"
+    ```
+
+3. Push
+
+    ```bash
+    git push origin v0.1.0
+    ```
+
+4. Verify release and edit notes.   See https://github.com/client9/misspell/releases
+

vendor/github.com/client9/misspell/ascii.go

+package misspell
+
+// ByteToUpper converts an ascii byte to upper cases
+// Uses a branchless algorithm
+func ByteToUpper(x byte) byte {
+	b := byte(0x80) | x
+	c := b - byte(0x61)
+	d := ^(b - byte(0x7b))
+	e := (c & d) & (^x & 0x7f)
+	return x - (e >> 2)
+}
+
+// ByteToLower converts an ascii byte to lower case
+// uses a branchless algorithm
+func ByteToLower(eax byte) byte {
+	ebx := eax&byte(0x7f) + byte(0x25)
+	ebx = ebx&byte(0x7f) + byte(0x1a)
+	ebx = ((ebx & ^eax) >> 2) & byte(0x20)
+	return eax + ebx
+}
+
+// ByteEqualFold does ascii compare, case insensitive
+func ByteEqualFold(a, b byte) bool {
+	return a == b || ByteToLower(a) == ByteToLower(b)
+}
+
+// StringEqualFold ASCII case-insensitive comparison
+// golang toUpper/toLower for both bytes and strings
+// appears to be Unicode based which is super slow
+// based from https://codereview.appspot.com/5180044/patch/14007/21002
+func StringEqualFold(s1, s2 string) bool {
+	if len(s1) != len(s2) {
+		return false
+	}
+	for i := 0; i < len(s1); i++ {
+		c1 := s1[i]
+		c2 := s2[i]
+		// c1 & c2
+		if c1 != c2 {
+			c1 |= 'a' - 'A'
+			c2 |= 'a' - 'A'
+			if c1 != c2 || c1 < 'a' || c1 > 'z' {
+				return false
+			}
+		}
+	}
+	return true
+}
+
+// StringHasPrefixFold is similar to strings.HasPrefix but comparison
+// is done ignoring ASCII case.
+// /
+func StringHasPrefixFold(s1, s2 string) bool {
+	// prefix is bigger than input --> false
+	if len(s1) < len(s2) {
+		return false
+	}
+	if len(s1) == len(s2) {
+		return StringEqualFold(s1, s2)
+	}
+	return StringEqualFold(s1[:len(s2)], s2)
+}

vendor/github.com/client9/misspell/case.go

+package misspell
+
+import (
+	"strings"
+)
+
+// WordCase is an enum of various word casing styles
+type WordCase int
+
+// Various WordCase types.. likely to be not correct
+const (
+	CaseUnknown WordCase = iota
+	CaseLower
+	CaseUpper
+	CaseTitle
+)
+
+// CaseStyle returns what case style a word is in
+func CaseStyle(word string) WordCase {
+	upperCount := 0
+	lowerCount := 0
+
+	// this iterates over RUNES not BYTES
+	for i := 0; i < len(word); i++ {
+		ch := word[i]
+		switch {
+		case ch >= 'a' && ch <= 'z':
+			lowerCount++
+		case ch >= 'A' && ch <= 'Z':
+			upperCount++
+		}
+	}
+
+	switch {
+	case upperCount != 0 && lowerCount == 0:
+		return CaseUpper
+	case upperCount == 0 && lowerCount != 0:
+		return CaseLower
+	case upperCount == 1 && lowerCount > 0 && word[0] >= 'A' && word[0] <= 'Z':
+		return CaseTitle
+	}
+	return CaseUnknown
+}
+
+// CaseVariations returns
+// If AllUpper or First-Letter-Only is upcased: add the all upper case version
+// If AllLower, add the original, the title and upcase forms
+// If Mixed, return the original, and the all upcase form
+//
+func CaseVariations(word string, style WordCase) []string {
+	switch style {
+	case CaseLower:
+		return []string{word, strings.ToUpper(word[0:1]) + word[1:], strings.ToUpper(word)}
+	case CaseUpper:
+		return []string{strings.ToUpper(word)}
+	default:
+		return []string{word, strings.ToUpper(word)}
+	}
+}

vendor/github.com/client9/misspell/cmd/misspell/BUILD

+load("@io_bazel_rules_go//go:def.bzl", "go_binary", "go_library")
+
+go_library(
+    name = "go_default_library",
+    srcs = ["main.go"],
+    importpath = "github.com/client9/misspell/cmd/misspell",
+    visibility = ["//visibility:private"],
+    deps = ["//vendor/github.com/client9/misspell:go_default_library"],
+)
+
+go_binary(
+    name = "misspell",
+    embed = [":go_default_library"],
+    visibility = ["//visibility:public"],
+)
+
+filegroup(
+    name = "package-srcs",
+    srcs = glob(["**"]),
+    tags = ["automanaged"],
+    visibility = ["//visibility:private"],
+)
+
+filegroup(
+    name = "all-srcs",
+    srcs = [":package-srcs"],
+    tags = ["automanaged"],
+    visibility = ["//visibility:public"],
+)

vendor/github.com/client9/misspell/cmd/misspell/main.go

+// The misspell command corrects commonly misspelled English words in source files.
+package main
+
+import (
+	"bytes"
+	"flag"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"log"
+	"os"
+	"path/filepath"
+	"runtime"
+	"strings"
+	"text/template"
+	"time"
+
+	"github.com/client9/misspell"
+)
+
+var (
+	defaultWrite *template.Template
+	defaultRead  *template.Template
+
+	stdout *log.Logger
+	debug  *log.Logger
+
+	version = "dev"
+)
+
+const (
+	// Note for gometalinter it must be "File:Line:Column: Msg"
+	//  note space beteen ": Msg"
+	defaultWriteTmpl = `{{ .Filename }}:{{ .Line }}:{{ .Column }}: corrected "{{ .Original }}" to "{{ .Corrected }}"`
+	defaultReadTmpl  = `{{ .Filename }}:{{ .Line }}:{{ .Column }}: "{{ .Original }}" is a misspelling of "{{ .Corrected }}"`
+	csvTmpl          = `{{ printf "%q" .Filename }},{{ .Line }},{{ .Column }},{{ .Original }},{{ .Corrected }}`
+	csvHeader        = `file,line,column,typo,corrected`
+	sqliteTmpl       = `INSERT INTO misspell VALUES({{ printf "%q" .Filename }},{{ .Line }},{{ .Column }},{{ printf "%q" .Original }},{{ printf "%q" .Corrected }});`
+	sqliteHeader     = `PRAGMA foreign_keys=OFF;
+BEGIN TRANSACTION;
+CREATE TABLE misspell(
+	"file" TEXT, "line" INTEGER, "column" INTEGER, "typo" TEXT, "corrected" TEXT
+);`
+	sqliteFooter = "COMMIT;"
+)
+
+func worker(writeit bool, r *misspell.Replacer, mode string, files <-chan string, results chan<- int) {
+	count := 0
+	for filename := range files {
+		orig, err := misspell.ReadTextFile(filename)
+		if err != nil {
+			log.Println(err)
+			continue
+		}
+		if len(orig) == 0 {
+			continue
+		}
+
+		debug.Printf("Processing %s", filename)
+
+		var updated string
+		var changes []misspell.Diff
+
+		if mode == "go" {
+			updated, changes = r.ReplaceGo(orig)
+		} else {
+			updated, changes = r.Replace(orig)
+		}
+
+		if len(changes) == 0 {
+			continue
+		}
+		count += len(changes)
+		for _, diff := range changes {
+			// add in filename
+			diff.Filename = filename
+
+			// output can be done by doing multiple goroutines
+			// and can clobber os.Stdout.
+			//
+			// the log package can be used simultaneously from multiple goroutines
+			var output bytes.Buffer
+			if writeit {
+				defaultWrite.Execute(&output, diff)
+			} else {
+				defaultRead.Execute(&output, diff)
+			}
+
+			// goroutine-safe print to os.Stdout
+			stdout.Println(output.String())
+		}
+
+		if writeit {
+			ioutil.WriteFile(filename, []byte(updated), 0)
+		}
+	}
+	results <- count
+}
+
+func main() {
+	t := time.Now()
+	var (
+		workers     = flag.Int("j", 0, "Number of workers, 0 = number of CPUs")
+		writeit     = flag.Bool("w", false, "Overwrite file with corrections (default is just to display)")
+		quietFlag   = flag.Bool("q", false, "Do not emit misspelling output")
+		outFlag     = flag.String("o", "stdout", "output file or [stderr|stdout|]")
+		format      = flag.String("f", "", "'csv', 'sqlite3' or custom Golang template for output")
+		ignores     = flag.String("i", "", "ignore the following corrections, comma separated")
+		locale      = flag.String("locale", "", "Correct spellings using locale perferances for US or UK.  Default is to use a neutral variety of English.  Setting locale to US will correct the British spelling of 'colour' to 'color'")
+		mode        = flag.String("source", "auto", "Source mode: auto=guess, go=golang source, text=plain or markdown-like text")
+		debugFlag   = flag.Bool("debug", false, "Debug matching, very slow")
+		exitError   = flag.Bool("error", false, "Exit with 2 if misspelling found")
+		showVersion = flag.Bool("v", false, "Show version and exit")
+
+		showLegal = flag.Bool("legal", false, "Show legal information and exit")
+	)
+	flag.Parse()
+
+	if *showVersion {
+		fmt.Println(version)
+		return
+	}
+	if *showLegal {
+		fmt.Println(misspell.Legal)
+		return
+	}
+	if *debugFlag {
+		debug = log.New(os.Stderr, "DEBUG ", 0)
+	} else {
+		debug = log.New(ioutil.Discard, "", 0)
+	}
+
+	r := misspell.Replacer{
+		Replacements: misspell.DictMain,
+		Debug:        *debugFlag,
+	}
+	//
+	// Figure out regional variations
+	//
+	switch strings.ToUpper(*locale) {
+	case "":
+		// nothing
+	case "US":
+		r.AddRuleList(misspell.DictAmerican)
+	case "UK", "GB":
+		r.AddRuleList(misspell.DictBritish)
+	case "NZ", "AU", "CA":
+		log.Fatalf("Help wanted.  https://github.com/client9/misspell/issues/6")
+	default:
+		log.Fatalf("Unknown locale: %q", *locale)
+	}
+
+	//
+	// Stuff to ignore
+	//
+	if len(*ignores) > 0 {
+		r.RemoveRule(strings.Split(*ignores, ","))
+	}
+
+	//
+	// Source input mode
+	//
+	switch *mode {
+	case "auto":
+	case "go":
+	case "text":
+	default:
+		log.Fatalf("Mode must be one of auto=guess, go=golang source, text=plain or markdown-like text")
+	}
+
+	//
+	// Custom output
+	//
+	switch {
+	case *format == "csv":
+		tmpl := template.Must(template.New("csv").Parse(csvTmpl))
+		defaultWrite = tmpl
+		defaultRead = tmpl
+		stdout.Println(csvHeader)
+	case *format == "sqlite" || *format == "sqlite3":
+		tmpl := template.Must(template.New("sqlite3").Parse(sqliteTmpl))
+		defaultWrite = tmpl
+		defaultRead = tmpl
+		stdout.Println(sqliteHeader)
+	case len(*format) > 0:
+		t, err := template.New("custom").Parse(*format)
+		if err != nil {
+			log.Fatalf("Unable to compile log format: %s", err)
+		}
+		defaultWrite = t
+		defaultRead = t
+	default: // format == ""
+		defaultWrite = template.Must(template.New("defaultWrite").Parse(defaultWriteTmpl))
+		defaultRead = template.Must(template.New("defaultRead").Parse(defaultReadTmpl))
+	}
+
+	// we cant't just write to os.Stdout directly since we have multiple goroutine
+	// all writing at the same time causing broken output.  Log is routine safe.
+	// we see it so it doesn't use a prefix or include a time stamp.
+	switch {
+	case *quietFlag || *outFlag == "/dev/null":
+		stdout = log.New(ioutil.Discard, "", 0)
+	case *outFlag == "/dev/stderr" || *outFlag == "stderr":
+		stdout = log.New(os.Stderr, "", 0)
+	case *outFlag == "/dev/stdout" || *outFlag == "stdout":
+		stdout = log.New(os.Stdout, "", 0)
+	case *outFlag == "" || *outFlag == "-":
+		stdout = log.New(os.Stdout, "", 0)
+	default:
+		fo, err := os.Create(*outFlag)
+		if err != nil {
+			log.Fatalf("unable to create outfile %q: %s", *outFlag, err)
+		}
+		defer fo.Close()
+		stdout = log.New(fo, "", 0)
+	}
+
+	//
+	// Number of Workers / CPU to use
+	//
+	if *workers < 0 {
+		log.Fatalf("-j must >= 0")
+	}
+	if *workers == 0 {
+		*workers = runtime.NumCPU()
+	}
+	if *debugFlag {
+		*workers = 1
+	}
+
+	//
+	// Done with Flags.
+	//  Compile the Replacer and process files
+	//
+	r.Compile()
+
+	args := flag.Args()
+	debug.Printf("initialization complete in %v", time.Since(t))
+
+	// stdin/stdout
+	if len(args) == 0 {
+		// if we are working with pipes/stdin/stdout
+		// there is no concurrency, so we can directly
+		// send data to the writers
+		var fileout io.Writer
+		var errout io.Writer
+		switch *writeit {
+		case true:
+			// if we ARE writing the corrected stream
+			// the corrected stream goes to stdout
+			// and the misspelling errors goes to stderr
+			// so we can do something like this:
+			// curl something | misspell -w | gzip > afile.gz
+			fileout = os.Stdout
+			errout = os.Stderr
+		case false:
+			// if we are not writing out the corrected stream
+			// then work just like files.  Misspelling errors
+			// are sent to stdout
+			fileout = ioutil.Discard
+			errout = os.Stdout
+		}
+		count := 0
+		next := func(diff misspell.Diff) {
+			count++
+
+			// don't even evaluate the output templates
+			if *quietFlag {
+				return
+			}
+			diff.Filename = "stdin"
+			if *writeit {
+				defaultWrite.Execute(errout, diff)
+			} else {
+				defaultRead.Execute(errout, diff)
+			}
+			errout.Write([]byte{'\n'})
+
+		}
+		err := r.ReplaceReader(os.Stdin, fileout, next)
+		if err != nil {
+			os.Exit(1)
+		}
+		switch *format {
+		case "sqlite", "sqlite3":
+			fileout.Write([]byte(sqliteFooter))
+		}
+		if count != 0 && *exitError {
+			// error
+			os.Exit(2)
+		}
+		return
+	}
+
+	c := make(chan string, 64)
+	results := make(chan int, *workers)
+
+	for i := 0; i < *workers; i++ {
+		go worker(*writeit, &r, *mode, c, results)
+	}
+
+	for _, filename := range args {
+		filepath.Walk(filename, func(path string, info os.FileInfo, err error) error {
+			if err == nil && !info.IsDir() {
+				c <- path
+			}
+			return nil
+		})
+	}
+	close(c)
+
+	count := 0
+	for i := 0; i < *workers; i++ {
+		changed := <-results
+		count += changed
+	}
+
+	switch *format {
+	case "sqlite", "sqlite3":
+		stdout.Println(sqliteFooter)
+	}
+
+	if count != 0 && *exitError {
+		os.Exit(2)
+	}
+}

vendor/github.com/client9/misspell/goreleaser.yml

+# goreleaser.yml
+# https://github.com/goreleaser/goreleaser 
+build:
+  main: cmd/misspell/main.go
+  binary: misspell
+  ldflags: -s -w -X main.version={{.Version}}
+  goos:
+    - darwin
+    - linux
+    - windows
+  goarch:
+    - amd64
+  env:
+    - CGO_ENABLED=0
+  ignore:
+    - goos: darwin
+      goarch: 386
+    - goos: windows
+      goarch: 386
+
+archive:
+  name_template: "{{ .Binary }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+  replacements:
+    amd64: 64bit
+    386: 32bit
+    darwin: mac
+
+snapshot:
+  name_template: SNAPSHOT-{{.Commit}}

vendor/github.com/client9/misspell/install-misspell.sh

+#!/bin/sh
+set -e
+#  Code generated by godownloader. DO NOT EDIT.
+#
+
+usage() {
+  this=$1
+  cat <<EOF
+$this: download go binaries for client9/misspell
+
+Usage: $this [-b] bindir [version]
+  -b sets bindir or installation directory, default "./bin"
+   [version] is a version number from
+   https://github.com/client9/misspell/releases
+   If version is missing, then an attempt to find the latest will be found.
+
+Generated by godownloader
+ https://github.com/goreleaser/godownloader
+
+EOF
+  exit 2
+}
+
+parse_args() {
+  #BINDIR is ./bin unless set be ENV
+  # over-ridden by flag below
+
+  BINDIR=${BINDIR:-./bin}
+  while getopts "b:h?" arg; do
+    case "$arg" in
+      b) BINDIR="$OPTARG" ;;
+      h | \?) usage "$0" ;;
+    esac
+  done
+  shift $((OPTIND - 1))
+  VERSION=$1
+}
+# this function wraps all the destructive operations
+# if a curl|bash cuts off the end of the script due to
+# network, either nothing will happen or will syntax error
+# out preventing half-done work
+execute() {
+  TMPDIR=$(mktmpdir)
+  echo "$PREFIX: downloading ${TARBALL_URL}"
+  http_download "${TMPDIR}/${TARBALL}" "${TARBALL_URL}"
+
+  echo "$PREFIX: verifying checksums"
+  http_download "${TMPDIR}/${CHECKSUM}" "${CHECKSUM_URL}"
+  hash_sha256_verify "${TMPDIR}/${TARBALL}" "${TMPDIR}/${CHECKSUM}"
+
+  (cd "${TMPDIR}" && untar "${TARBALL}")
+  install -d "${BINDIR}"
+  install "${TMPDIR}/${BINARY}" "${BINDIR}/"
+  echo "$PREFIX: installed as ${BINDIR}/${BINARY}"
+}
+is_supported_platform() {
+  platform=$1
+  found=1
+  case "$platform" in
+    darwin/amd64) found=0 ;;
+    linux/amd64) found=0 ;;
+  esac
+  case "$platform" in
+    darwin/386) found=1 ;;
+  esac
+  return $found
+}
+check_platform() {
+  if is_supported_platform "$PLATFORM"; then
+    # optional logging goes here
+    true
+  else
+    echo "${PREFIX}: platform $PLATFORM is not supported.  Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
+    exit 1
+  fi
+}
+adjust_version() {
+  if [ -z "${VERSION}" ]; then
+    echo "$PREFIX: checking GitHub for latest version"
+    VERSION=$(github_last_release "$OWNER/$REPO")
+  fi
+  # if version starts with 'v', remove it
+  VERSION=${VERSION#v}
+}
+adjust_format() {
+  # change format (tar.gz or zip) based on ARCH
+  true
+}
+adjust_os() {
+  # adjust archive name based on OS
+  case ${OS} in
+    386) OS=32bit ;;
+    amd64) OS=64bit ;;
+    darwin) OS=mac ;;
+  esac
+  true
+}
+adjust_arch() {
+  # adjust archive name based on ARCH
+  case ${ARCH} in
+    386) ARCH=32bit ;;
+    amd64) ARCH=64bit ;;
+    darwin) ARCH=mac ;;
+  esac
+  true
+}
+
+cat /dev/null <<EOF
+------------------------------------------------------------------------
+https://github.com/client9/shlib - portable posix shell functions
+Public domain - http://unlicense.org
+https://github.com/client9/shlib/blob/master/LICENSE.md
+but credit (and pull requests) appreciated.
+------------------------------------------------------------------------
+EOF
+is_command() {
+  command -v "$1" >/dev/null
+}
+uname_os() {
+  os=$(uname -s | tr '[:upper:]' '[:lower:]')
+  echo "$os"
+}
+uname_arch() {
+  arch=$(uname -m)
+  case $arch in
+    x86_64) arch="amd64" ;;
+    x86) arch="386" ;;
+    i686) arch="386" ;;
+    i386) arch="386" ;;
+    aarch64) arch="arm64" ;;
+    armv5*) arch="arm5" ;;
+    armv6*) arch="arm6" ;;
+    armv7*) arch="arm7" ;;
+  esac
+  echo ${arch}
+}
+uname_os_check() {
+  os=$(uname_os)
+  case "$os" in
+    darwin) return 0 ;;
+    dragonfly) return 0 ;;
+    freebsd) return 0 ;;
+    linux) return 0 ;;
+    android) return 0 ;;
+    nacl) return 0 ;;
+    netbsd) return 0 ;;
+    openbsd) return 0 ;;
+    plan9) return 0 ;;
+    solaris) return 0 ;;
+    windows) return 0 ;;
+  esac
+  echo "$0: uname_os_check: internal error '$(uname -s)' got converted to '$os' which is not a GOOS value. Please file bug at https://github.com/client9/shlib"
+  return 1
+}
+uname_arch_check() {
+  arch=$(uname_arch)
+  case "$arch" in
+    386) return 0 ;;
+    amd64) return 0 ;;
+    arm64) return 0 ;;
+    armv5) return 0 ;;
+    armv6) return 0 ;;
+    armv7) return 0 ;;
+    ppc64) return 0 ;;
+    ppc64le) return 0 ;;
+    mips) return 0 ;;
+    mipsle) return 0 ;;
+    mips64) return 0 ;;
+    mips64le) return 0 ;;
+    s390x) return 0 ;;
+    amd64p32) return 0 ;;
+  esac
+  echo "$0: uname_arch_check: internal error '$(uname -m)' got converted to '$arch' which is not a GOARCH value.  Please file bug report at https://github.com/client9/shlib"
+  return 1
+}
+untar() {
+  tarball=$1
+  case "${tarball}" in
+    *.tar.gz | *.tgz) tar -xzf "${tarball}" ;;
+    *.tar) tar -xf "${tarball}" ;;
+    *.zip) unzip "${tarball}" ;;
+    *)
+      echo "Unknown archive format for ${tarball}"
+      return 1
+      ;;
+  esac
+}
+mktmpdir() {
+  test -z "$TMPDIR" && TMPDIR="$(mktemp -d)"
+  mkdir -p "${TMPDIR}"
+  echo "${TMPDIR}"
+}
+http_download() {
+  local_file=$1
+  source_url=$2
+  header=$3
+  headerflag=''
+  destflag=''
+  if is_command curl; then
+    cmd='curl --fail -sSL'
+    destflag='-o'
+    headerflag='-H'
+  elif is_command wget; then
+    cmd='wget -q'
+    destflag='-O'
+    headerflag='--header'
+  else
+    echo "http_download: unable to find wget or curl"
+    return 1
+  fi
+  if [ -z "$header" ]; then
+    $cmd $destflag "$local_file" "$source_url"
+  else
+    $cmd $headerflag "$header" $destflag "$local_file" "$source_url"
+  fi
+}
+github_api() {
+  local_file=$1
+  source_url=$2
+  header=""
+  case "$source_url" in
+    https://api.github.com*)
+      test -z "$GITHUB_TOKEN" || header="Authorization: token $GITHUB_TOKEN"
+      ;;
+  esac
+  http_download "$local_file" "$source_url" "$header"
+}
+github_last_release() {
+  owner_repo=$1
+  giturl="https://api.github.com/repos/${owner_repo}/releases/latest"
+  html=$(github_api - "$giturl")
+  version=$(echo "$html" | grep -m 1 "\"tag_name\":" | cut -f4 -d'"')
+  test -z "$version" && return 1
+  echo "$version"
+}
+hash_sha256() {
+  TARGET=${1:-/dev/stdin}
+  if is_command gsha256sum; then
+    hash=$(gsha256sum "$TARGET") || return 1
+    echo "$hash" | cut -d ' ' -f 1
+  elif is_command sha256sum; then
+    hash=$(sha256sum "$TARGET") || return 1
+    echo "$hash" | cut -d ' ' -f 1
+  elif is_command shasum; then
+    hash=$(shasum -a 256 "$TARGET" 2>/dev/null) || return 1
+    echo "$hash" | cut -d ' ' -f 1
+  elif is_command openssl; then
+    hash=$(openssl -dst openssl dgst -sha256 "$TARGET") || return 1
+    echo "$hash" | cut -d ' ' -f a
+  else
+    echo "hash_sha256: unable to find command to compute sha-256 hash"
+    return 1
+  fi
+}
+hash_sha256_verify() {
+  TARGET=$1
+  checksums=$2
+  if [ -z "$checksums" ]; then
+    echo "hash_sha256_verify: checksum file not specified in arg2"
+    return 1
+  fi
+  BASENAME=${TARGET##*/}
+  want=$(grep "${BASENAME}" "${checksums}" 2>/dev/null | tr '\t' ' ' | cut -d ' ' -f 1)
+  if [ -z "$want" ]; then
+    echo "hash_sha256_verify: unable to find checksum for '${TARGET}' in '${checksums}'"
+    return 1
+  fi
+  got=$(hash_sha256 "$TARGET")
+  if [ "$want" != "$got" ]; then
+    echo "hash_sha256_verify: checksum for '$TARGET' did not verify ${want} vs $got"
+    return 1
+  fi
+}
+cat /dev/null <<EOF
+------------------------------------------------------------------------
+End of functions from https://github.com/client9/shlib
+------------------------------------------------------------------------
+EOF
+
+OWNER=client9
+REPO=misspell
+BINARY=misspell
+FORMAT=tar.gz
+OS=$(uname_os)
+ARCH=$(uname_arch)
+PREFIX="$OWNER/$REPO"
+PLATFORM="${OS}/${ARCH}"
+GITHUB_DOWNLOAD=https://github.com/${OWNER}/${REPO}/releases/download
+
+uname_os_check "$OS"
+uname_arch_check "$ARCH"
+
+parse_args "$@"
+
+check_platform
+
+adjust_version
+
+adjust_format
+
+adjust_os
+
+adjust_arch
+
+echo "$PREFIX: found version ${VERSION} for ${OS}/${ARCH}"
+
+NAME=${BINARY}_${VERSION}_${OS}_${ARCH}
+TARBALL=${NAME}.${FORMAT}
+TARBALL_URL=${GITHUB_DOWNLOAD}/v${VERSION}/${TARBALL}
+CHECKSUM=${REPO}_checksums.txt
+CHECKSUM_URL=${GITHUB_DOWNLOAD}/v${VERSION}/${CHECKSUM}
+
+# Adjust binary name if windows
+if [ "$OS" = "windows" ]; then
+  BINARY="${BINARY}.exe"
+fi
+
+execute

vendor/github.com/client9/misspell/legal.go

+// Package misspell corrects commonly misspelled English words in source files.
+package misspell
+
+// Legal provides licensing info.
+const Legal = `
+Execept where noted below, the source code for misspell is
+copyright Nick Galbreath and distribution is allowed under a
+MIT license.  See the following for details:
+
+* https://github.com/client9/misspell/blob/master/LICENSE
+* https://tldrlegal.com/license/mit-license 
+
+Misspell makes uses of the Golang standard library and 
+contains a modified version of Golang's strings.Replacer
+which are covered under a BSD License.
+
+* https://golang.org/pkg/strings/#Replacer
+* https://golang.org/src/strings/replace.go
+* https://github.com/golang/go/blob/master/LICENSE
+
+Copyright (c) 2009 The Go Authors. 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 Google Inc. 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
+OWNER 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.
+`

vendor/github.com/client9/misspell/mime.go

+package misspell
+
+import (
+	"bytes"
+	"fmt"
+	"io"
+	"io/ioutil"
+	"net/http"
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// The number of possible binary formats is very large
+// items that might be checked into a repo or be an
+// artifact of a build.  Additions welcome.
+//
+// Golang's internal table is very small and can't be
+// relied on.  Even then things like ".js" have a mime
+// type of "application/javascipt" which isn't very helpful.
+// "[x]" means we have  sniff test and suffix test should be eliminated
+var binary = map[string]bool{
+	".a":     true, // [ ] archive
+	".bin":   true, // [ ] binary
+	".bz2":   true, // [ ] compression
+	".class": true, // [x] Java class file
+	".dll":   true, // [ ] shared library
+	".exe":   true, // [ ] binary
+	".gif":   true, // [ ] image
+	".gpg":   true, // [x] text, but really all base64
+	".gz":    true, // [ ] compression
+	".ico":   true, // [ ] image
+	".jar":   true, // [x] archive
+	".jpeg":  true, // [ ] image
+	".jpg":   true, // [ ] image
+	".mp3":   true, // [ ] audio
+	".mp4":   true, // [ ] video
+	".mpeg":  true, // [ ] video
+	".o":     true, // [ ] object file
+	".pdf":   true, // [x] pdf
+	".png":   true, // [x] image
+	".pyc":   true, // [ ] Python bytecode
+	".pyo":   true, // [ ] Python bytecode
+	".so":    true, // [x] shared library
+	".swp":   true, // [ ] vim swap file
+	".tar":   true, // [ ] archive
+	".tiff":  true, // [ ] image
+	".woff":  true, // [ ] font
+	".woff2": true, // [ ] font
+	".xz":    true, // [ ] compression
+	".z":     true, // [ ] compression
+	".zip":   true, // [x] archive
+}
+
+// isBinaryFilename returns true if the file is likely to be binary
+//
+// Better heuristics could be done here, in particular a binary
+// file is unlikely to be UTF-8 encoded.  However this is cheap
+// and will solve the immediate need of making sure common
+// binary formats are not corrupted by mistake.
+func isBinaryFilename(s string) bool {
+	return binary[strings.ToLower(filepath.Ext(s))]
+}
+
+var scm = map[string]bool{
+	".bzr": true,
+	".git": true,
+	".hg":  true,
+	".svn": true,
+	"CVS":  true,
+}
+
+// isSCMPath returns true if the path is likely part of a (private) SCM
+//  directory.  E.g.  ./git/something  = true
+func isSCMPath(s string) bool {
+	// hack for .git/COMMIT_EDITMSG and .git/TAG_EDITMSG
+	// normally we don't look at anything in .git
+	// but COMMIT_EDITMSG and TAG_EDITMSG are used as
+	// temp files for git commits.  Allowing misspell to inspect
+	// these files allows for commit-msg hooks
+	// https://git-scm.com/book/en/v2/Customizing-Git-Git-Hooks
+	if strings.Contains(filepath.Base(s), "EDITMSG") {
+		return false
+	}
+	parts := strings.Split(filepath.Clean(s), string(filepath.Separator))
+	for _, dir := range parts {
+		if scm[dir] {
+			return true
+		}
+	}
+	return false
+}
+
+var magicHeaders = [][]byte{
+	// Issue #68
+	// PGP messages and signatures are "text" but really just
+	// blobs of base64-text and should not be misspell-checked
+	[]byte("-----BEGIN PGP MESSAGE-----"),
+	[]byte("-----BEGIN PGP SIGNATURE-----"),
+
+	// ELF
+	{0x7f, 0x45, 0x4c, 0x46},
+
+	// Postscript
+	{0x25, 0x21, 0x50, 0x53},
+
+	// PDF
+	{0x25, 0x50, 0x44, 0x46},
+
+	// Java class file
+	// https://en.wikipedia.org/wiki/Java_class_file
+	{0xCA, 0xFE, 0xBA, 0xBE},
+
+	// PNG
+	// https://en.wikipedia.org/wiki/Portable_Network_Graphics
+	{0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a},
+
+	// ZIP, JAR, ODF, OOXML
+	{0x50, 0x4B, 0x03, 0x04},
+	{0x50, 0x4B, 0x05, 0x06},
+	{0x50, 0x4B, 0x07, 0x08},
+}
+
+func isTextFile(raw []byte) bool {
+	for _, magic := range magicHeaders {
+		if bytes.HasPrefix(raw, magic) {
+			return false
+		}
+	}
+
+	// allow any text/ type with utf-8 encoding
+	// DetectContentType sometimes returns charset=utf-16 for XML stuff
+	//  in which case ignore.
+	mime := http.DetectContentType(raw)
+	return strings.HasPrefix(mime, "text/") && strings.HasSuffix(mime, "charset=utf-8")
+}
+
+// ReadTextFile returns the contents of a file, first testing if it is a text file
+//  returns ("", nil) if not a text file
+//  returns ("", error) if error
+//  returns (string, nil) if text
+//
+// unfortunately, in worse case, this does
+//   1 stat
+//   1 open,read,close of 512 bytes
+//   1 more stat,open, read everything, close (via ioutil.ReadAll)
+//  This could be kinder to the filesystem.
+//
+// This uses some heuristics of the file's extension (e.g. .zip, .txt) and
+// uses a sniffer to determine if the file is text or not.
+// Using file extensions isn't great, but probably
+// good enough for real-world use.
+// Golang's built in sniffer is problematic for differnet reasons.  It's
+// optimized for HTML, and is very limited in detection.  It would be good
+// to explicitly add some tests for ELF/DWARF formats to make sure we never
+// corrupt binary files.
+func ReadTextFile(filename string) (string, error) {
+	if isBinaryFilename(filename) {
+		return "", nil
+	}
+
+	if isSCMPath(filename) {
+		return "", nil
+	}
+
+	fstat, err := os.Stat(filename)
+
+	if err != nil {
+		return "", fmt.Errorf("Unable to stat %q: %s", filename, err)
+	}
+
+	// directory: nothing to do.
+	if fstat.IsDir() {
+		return "", nil
+	}
+
+	// avoid reading in multi-gig files
+	// if input is large, read the first 512 bytes to sniff type
+	// if not-text, then exit
+	isText := false
+	if fstat.Size() > 50000 {
+		fin, err := os.Open(filename)
+		if err != nil {
+			return "", fmt.Errorf("Unable to open large file %q: %s", filename, err)
+		}
+		defer fin.Close()
+		buf := make([]byte, 512)
+		_, err = io.ReadFull(fin, buf)
+		if err != nil {
+			return "", fmt.Errorf("Unable to read 512 bytes from %q: %s", filename, err)
+		}
+		if !isTextFile(buf) {
+			return "", nil
+		}
+
+		// set so we don't double check this file
+		isText = true
+	}
+
+	// read in whole file
+	raw, err := ioutil.ReadFile(filename)
+	if err != nil {
+		return "", fmt.Errorf("Unable to read all %q: %s", filename, err)
+	}
+
+	if !isText && !isTextFile(raw) {
+		return "", nil
+	}
+	return string(raw), nil
+}

vendor/github.com/client9/misspell/notwords.go

+package misspell
+
+import (
+	"bytes"
+	"regexp"
+	"strings"
+)
+
+var (
+	reEmail     = regexp.MustCompile(`[a-zA-Z0-9_.%+-]+@[a-zA-Z0-9-.]+\.[a-zA-Z]{2,6}[^a-zA-Z]`)
+	reHost      = regexp.MustCompile(`[a-zA-Z0-9-.]+\.[a-zA-Z]+`)
+	reBackslash = regexp.MustCompile(`\\[a-z]`)
+)
+
+// RemovePath attempts to strip away embedded file system paths, e.g.
+//  /foo/bar or /static/myimg.png
+//
+//  TODO: windows style
+//
+func RemovePath(s string) string {
+	out := bytes.Buffer{}
+	var idx int
+	for len(s) > 0 {
+		if idx = strings.IndexByte(s, '/'); idx == -1 {
+			out.WriteString(s)
+			break
+		}
+
+		if idx > 0 {
+			idx--
+		}
+
+		var chclass string
+		switch s[idx] {
+		case '/', ' ', '\n', '\t', '\r':
+			chclass = " \n\r\t"
+		case '[':
+			chclass = "]\n"
+		case '(':
+			chclass = ")\n"
+		default:
+			out.WriteString(s[:idx+2])
+			s = s[idx+2:]
+			continue
+		}
+
+		endx := strings.IndexAny(s[idx+1:], chclass)
+		if endx != -1 {
+			out.WriteString(s[:idx+1])
+			out.Write(bytes.Repeat([]byte{' '}, endx))
+			s = s[idx+endx+1:]
+		} else {
+			out.WriteString(s)
+			break
+		}
+	}
+	return out.String()
+}
+
+// replaceWithBlanks returns a string with the same number of spaces as the input
+func replaceWithBlanks(s string) string {
+	return strings.Repeat(" ", len(s))
+}
+
+// RemoveEmail remove email-like strings, e.g. "nickg+junk@xfoobar.com", "nickg@xyz.abc123.biz"
+func RemoveEmail(s string) string {
+	return reEmail.ReplaceAllStringFunc(s, replaceWithBlanks)
+}
+
+// RemoveHost removes host-like strings "foobar.com" "abc123.fo1231.biz"
+func RemoveHost(s string) string {
+	return reHost.ReplaceAllStringFunc(s, replaceWithBlanks)
+}
+
+// RemoveBackslashEscapes removes characters that are preceeded by a backslash
+// commonly found in printf format stringd "\nto"
+func removeBackslashEscapes(s string) string {
+	return reBackslash.ReplaceAllStringFunc(s, replaceWithBlanks)
+}
+
+// RemoveNotWords blanks out all the not words
+func RemoveNotWords(s string) string {
+	// do most selective/specific first
+	return removeBackslashEscapes(RemoveHost(RemoveEmail(RemovePath(StripURL(s)))))
+}

vendor/github.com/client9/misspell/replace.go

+package misspell
+
+import (
+	"bufio"
+	"bytes"
+	"io"
+	"regexp"
+	"strings"
+	"text/scanner"
+)
+
+func max(x, y int) int {
+	if x > y {
+		return x
+	}
+	return y
+}
+
+func inArray(haystack []string, needle string) bool {
+	for _, word := range haystack {
+		if needle == word {
+			return true
+		}
+	}
+	return false
+}
+
+var wordRegexp = regexp.MustCompile(`[a-zA-Z0-9']+`)
+
+// Diff is datastructure showing what changed in a single line
+type Diff struct {
+	Filename  string
+	FullLine  string
+	Line      int
+	Column    int
+	Original  string
+	Corrected string
+}
+
+// Replacer is the main struct for spelling correction
+type Replacer struct {
+	Replacements []string
+	Debug        bool
+	engine       *StringReplacer
+	corrected    map[string]string
+}
+
+// New creates a new default Replacer using the main rule list
+func New() *Replacer {
+	r := Replacer{
+		Replacements: DictMain,
+	}
+	r.Compile()
+	return &r
+}
+
+// RemoveRule deletes existings rules.
+// TODO: make inplace to save memory
+func (r *Replacer) RemoveRule(ignore []string) {
+	newwords := make([]string, 0, len(r.Replacements))
+	for i := 0; i < len(r.Replacements); i += 2 {
+		if inArray(ignore, r.Replacements[i]) {
+			continue
+		}
+		newwords = append(newwords, r.Replacements[i:i+2]...)
+	}
+	r.engine = nil
+	r.Replacements = newwords
+}
+
+// AddRuleList appends new rules.
+// Input is in the same form as Strings.Replacer: [ old1, new1, old2, new2, ....]
+// Note: does not check for duplictes
+func (r *Replacer) AddRuleList(additions []string) {
+	r.engine = nil
+	r.Replacements = append(r.Replacements, additions...)
+}
+
+// Compile compiles the rules.  Required before using the Replace functions
+func (r *Replacer) Compile() {
+
+	r.corrected = make(map[string]string, len(r.Replacements)/2)
+	for i := 0; i < len(r.Replacements); i += 2 {
+		r.corrected[r.Replacements[i]] = r.Replacements[i+1]
+	}
+	r.engine = NewStringReplacer(r.Replacements...)
+}
+
+/*
+line1 and line2 are different
+extract words from each line1
+
+replace word -> newword
+if word == new-word
+  continue
+if new-word in list of replacements
+  continue
+new word not original, and not in list of replacements
+  some substring got mixed up.  UNdo
+*/
+func (r *Replacer) recheckLine(s string, lineNum int, buf io.Writer, next func(Diff)) {
+	first := 0
+	redacted := RemoveNotWords(s)
+
+	idx := wordRegexp.FindAllStringIndex(redacted, -1)
+	for _, ab := range idx {
+		word := s[ab[0]:ab[1]]
+		newword := r.engine.Replace(word)
+		if newword == word {
+			// no replacement done
+			continue
+		}
+
+		// ignore camelCase words
+		// https://github.com/client9/misspell/issues/113
+		if CaseStyle(word) == CaseUnknown {
+			continue
+		}
+
+		if StringEqualFold(r.corrected[strings.ToLower(word)], newword) {
+			// word got corrected into something we know
+			io.WriteString(buf, s[first:ab[0]])
+			io.WriteString(buf, newword)
+			first = ab[1]
+			next(Diff{
+				FullLine:  s,
+				Line:      lineNum,
+				Original:  word,
+				Corrected: newword,
+				Column:    ab[0],
+			})
+			continue
+		}
+		// Word got corrected into something unknown. Ignore it
+	}
+	io.WriteString(buf, s[first:])
+}
+
+// ReplaceGo is a specialized routine for correcting Golang source
+// files.  Currently only checks comments, not identifiers for
+// spelling.
+func (r *Replacer) ReplaceGo(input string) (string, []Diff) {
+	var s scanner.Scanner
+	s.Init(strings.NewReader(input))
+	s.Mode = scanner.ScanIdents | scanner.ScanFloats | scanner.ScanChars | scanner.ScanStrings | scanner.ScanRawStrings | scanner.ScanComments
+	lastPos := 0
+	output := ""
+Loop:
+	for {
+		switch s.Scan() {
+		case scanner.Comment:
+			origComment := s.TokenText()
+			newComment := r.engine.Replace(origComment)
+
+			if origComment != newComment {
+				// s.Pos().Offset is the end of the current token
+				// subtract len(origComment) to get the start of the token
+				offset := s.Pos().Offset
+				output = output + input[lastPos:offset-len(origComment)] + newComment
+				lastPos = offset
+			}
+		case scanner.EOF:
+			break Loop
+		}
+	}
+
+	if lastPos == 0 {
+		// no changes, no copies
+		return input, nil
+	}
+	if lastPos < len(input) {
+		output = output + input[lastPos:]
+	}
+	diffs := make([]Diff, 0, 8)
+	buf := bytes.NewBuffer(make([]byte, 0, max(len(input), len(output))+100))
+	// faster that making a bytes.Buffer and bufio.ReadString
+	outlines := strings.SplitAfter(output, "\n")
+	inlines := strings.SplitAfter(input, "\n")
+	for i := 0; i < len(inlines); i++ {
+		if inlines[i] == outlines[i] {
+			buf.WriteString(outlines[i])
+			continue
+		}
+		r.recheckLine(inlines[i], i+1, buf, func(d Diff) {
+			diffs = append(diffs, d)
+		})
+	}
+
+	return buf.String(), diffs
+
+}
+
+// Replace is corrects misspellings in input, returning corrected version
+//  along with a list of diffs.
+func (r *Replacer) Replace(input string) (string, []Diff) {
+	output := r.engine.Replace(input)
+	if input == output {
+		return input, nil
+	}
+	diffs := make([]Diff, 0, 8)
+	buf := bytes.NewBuffer(make([]byte, 0, max(len(input), len(output))+100))
+	// faster that making a bytes.Buffer and bufio.ReadString
+	outlines := strings.SplitAfter(output, "\n")
+	inlines := strings.SplitAfter(input, "\n")
+	for i := 0; i < len(inlines); i++ {
+		if inlines[i] == outlines[i] {
+			buf.WriteString(outlines[i])
+			continue
+		}
+		r.recheckLine(inlines[i], i+1, buf, func(d Diff) {
+			diffs = append(diffs, d)
+		})
+	}
+
+	return buf.String(), diffs
+}
+
+// ReplaceReader applies spelling corrections to a reader stream.  Diffs are
+// emitted through a callback.
+func (r *Replacer) ReplaceReader(raw io.Reader, w io.Writer, next func(Diff)) error {
+	var (
+		err     error
+		line    string
+		lineNum int
+	)
+	reader := bufio.NewReader(raw)
+	for err == nil {
+		lineNum++
+		line, err = reader.ReadString('\n')
+
+		// if it's EOF, then line has the last line
+		// don't like the check of err here and
+		// in for loop
+		if err != nil && err != io.EOF {
+			return err
+		}
+		// easily 5x faster than regexp+map
+		if line == r.engine.Replace(line) {
+			io.WriteString(w, line)
+			continue
+		}
+		// but it can be inaccurate, so we need to double check
+		r.recheckLine(line, lineNum, w, next)
+	}
+	return nil
+}

vendor/github.com/client9/misspell/stringreplacer.go

+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package misspell
+
+import (
+	"io"
+	//	"log"
+	"strings"
+)
+
+// StringReplacer replaces a list of strings with replacements.
+// It is safe for concurrent use by multiple goroutines.
+type StringReplacer struct {
+	r replacer
+}
+
+// replacer is the interface that a replacement algorithm needs to implement.
+type replacer interface {
+	Replace(s string) string
+	WriteString(w io.Writer, s string) (n int, err error)
+}
+
+// NewStringReplacer returns a new Replacer from a list of old, new string pairs.
+// Replacements are performed in order, without overlapping matches.
+func NewStringReplacer(oldnew ...string) *StringReplacer {
+	if len(oldnew)%2 == 1 {
+		panic("strings.NewReplacer: odd argument count")
+	}
+
+	return &StringReplacer{r: makeGenericReplacer(oldnew)}
+}
+
+// Replace returns a copy of s with all replacements performed.
+func (r *StringReplacer) Replace(s string) string {
+	return r.r.Replace(s)
+}
+
+// WriteString writes s to w with all replacements performed.
+func (r *StringReplacer) WriteString(w io.Writer, s string) (n int, err error) {
+	return r.r.WriteString(w, s)
+}
+
+// trieNode is a node in a lookup trie for prioritized key/value pairs. Keys
+// and values may be empty. For example, the trie containing keys "ax", "ay",
+// "bcbc", "x" and "xy" could have eight nodes:
+//
+//  n0  -
+//  n1  a-
+//  n2  .x+
+//  n3  .y+
+//  n4  b-
+//  n5  .cbc+
+//  n6  x+
+//  n7  .y+
+//
+// n0 is the root node, and its children are n1, n4 and n6; n1's children are
+// n2 and n3; n4's child is n5; n6's child is n7. Nodes n0, n1 and n4 (marked
+// with a trailing "-") are partial keys, and nodes n2, n3, n5, n6 and n7
+// (marked with a trailing "+") are complete keys.
+type trieNode struct {
+	// value is the value of the trie node's key/value pair. It is empty if
+	// this node is not a complete key.
+	value string
+	// priority is the priority (higher is more important) of the trie node's
+	// key/value pair; keys are not necessarily matched shortest- or longest-
+	// first. Priority is positive if this node is a complete key, and zero
+	// otherwise. In the example above, positive/zero priorities are marked
+	// with a trailing "+" or "-".
+	priority int
+
+	// A trie node may have zero, one or more child nodes:
+	//  * if the remaining fields are zero, there are no children.
+	//  * if prefix and next are non-zero, there is one child in next.
+	//  * if table is non-zero, it defines all the children.
+	//
+	// Prefixes are preferred over tables when there is one child, but the
+	// root node always uses a table for lookup efficiency.
+
+	// prefix is the difference in keys between this trie node and the next.
+	// In the example above, node n4 has prefix "cbc" and n4's next node is n5.
+	// Node n5 has no children and so has zero prefix, next and table fields.
+	prefix string
+	next   *trieNode
+
+	// table is a lookup table indexed by the next byte in the key, after
+	// remapping that byte through genericReplacer.mapping to create a dense
+	// index. In the example above, the keys only use 'a', 'b', 'c', 'x' and
+	// 'y', which remap to 0, 1, 2, 3 and 4. All other bytes remap to 5, and
+	// genericReplacer.tableSize will be 5. Node n0's table will be
+	// []*trieNode{ 0:n1, 1:n4, 3:n6 }, where the 0, 1 and 3 are the remapped
+	// 'a', 'b' and 'x'.
+	table []*trieNode
+}
+
+func (t *trieNode) add(key, val string, priority int, r *genericReplacer) {
+	if key == "" {
+		if t.priority == 0 {
+			t.value = val
+			t.priority = priority
+		}
+		return
+	}
+
+	if t.prefix != "" {
+		// Need to split the prefix among multiple nodes.
+		var n int // length of the longest common prefix
+		for ; n < len(t.prefix) && n < len(key); n++ {
+			if t.prefix[n] != key[n] {
+				break
+			}
+		}
+		if n == len(t.prefix) {
+			t.next.add(key[n:], val, priority, r)
+		} else if n == 0 {
+			// First byte differs, start a new lookup table here. Looking up
+			// what is currently t.prefix[0] will lead to prefixNode, and
+			// looking up key[0] will lead to keyNode.
+			var prefixNode *trieNode
+			if len(t.prefix) == 1 {
+				prefixNode = t.next
+			} else {
+				prefixNode = &trieNode{
+					prefix: t.prefix[1:],
+					next:   t.next,
+				}
+			}
+			keyNode := new(trieNode)
+			t.table = make([]*trieNode, r.tableSize)
+			t.table[r.mapping[t.prefix[0]]] = prefixNode
+			t.table[r.mapping[key[0]]] = keyNode
+			t.prefix = ""
+			t.next = nil
+			keyNode.add(key[1:], val, priority, r)
+		} else {
+			// Insert new node after the common section of the prefix.
+			next := &trieNode{
+				prefix: t.prefix[n:],
+				next:   t.next,
+			}
+			t.prefix = t.prefix[:n]
+			t.next = next
+			next.add(key[n:], val, priority, r)
+		}
+	} else if t.table != nil {
+		// Insert into existing table.
+		m := r.mapping[key[0]]
+		if t.table[m] == nil {
+			t.table[m] = new(trieNode)
+		}
+		t.table[m].add(key[1:], val, priority, r)
+	} else {
+		t.prefix = key
+		t.next = new(trieNode)
+		t.next.add("", val, priority, r)
+	}
+}
+
+func (r *genericReplacer) lookup(s string, ignoreRoot bool) (val string, keylen int, found bool) {
+	// Iterate down the trie to the end, and grab the value and keylen with
+	// the highest priority.
+	bestPriority := 0
+	node := &r.root
+	n := 0
+	for node != nil {
+		if node.priority > bestPriority && !(ignoreRoot && node == &r.root) {
+			bestPriority = node.priority
+			val = node.value
+			keylen = n
+			found = true
+		}
+
+		if s == "" {
+			break
+		}
+		if node.table != nil {
+			index := r.mapping[ByteToLower(s[0])]
+			if int(index) == r.tableSize {
+				break
+			}
+			node = node.table[index]
+			s = s[1:]
+			n++
+		} else if node.prefix != "" && StringHasPrefixFold(s, node.prefix) {
+			n += len(node.prefix)
+			s = s[len(node.prefix):]
+			node = node.next
+		} else {
+			break
+		}
+	}
+	return
+}
+
+// genericReplacer is the fully generic algorithm.
+// It's used as a fallback when nothing faster can be used.
+type genericReplacer struct {
+	root trieNode
+	// tableSize is the size of a trie node's lookup table. It is the number
+	// of unique key bytes.
+	tableSize int
+	// mapping maps from key bytes to a dense index for trieNode.table.
+	mapping [256]byte
+}
+
+func makeGenericReplacer(oldnew []string) *genericReplacer {
+	r := new(genericReplacer)
+	// Find each byte used, then assign them each an index.
+	for i := 0; i < len(oldnew); i += 2 {
+		key := strings.ToLower(oldnew[i])
+		for j := 0; j < len(key); j++ {
+			r.mapping[key[j]] = 1
+		}
+	}
+
+	for _, b := range r.mapping {
+		r.tableSize += int(b)
+	}
+
+	var index byte
+	for i, b := range r.mapping {
+		if b == 0 {
+			r.mapping[i] = byte(r.tableSize)
+		} else {
+			r.mapping[i] = index
+			index++
+		}
+	}
+	// Ensure root node uses a lookup table (for performance).
+	r.root.table = make([]*trieNode, r.tableSize)
+
+	for i := 0; i < len(oldnew); i += 2 {
+		r.root.add(strings.ToLower(oldnew[i]), oldnew[i+1], len(oldnew)-i, r)
+	}
+	return r
+}
+
+type appendSliceWriter []byte
+
+// Write writes to the buffer to satisfy io.Writer.
+func (w *appendSliceWriter) Write(p []byte) (int, error) {
+	*w = append(*w, p...)
+	return len(p), nil
+}
+
+// WriteString writes to the buffer without string->[]byte->string allocations.
+func (w *appendSliceWriter) WriteString(s string) (int, error) {
+	*w = append(*w, s...)
+	return len(s), nil
+}
+
+type stringWriterIface interface {
+	WriteString(string) (int, error)
+}
+
+type stringWriter struct {
+	w io.Writer
+}
+
+func (w stringWriter) WriteString(s string) (int, error) {
+	return w.w.Write([]byte(s))
+}
+
+func getStringWriter(w io.Writer) stringWriterIface {
+	sw, ok := w.(stringWriterIface)
+	if !ok {
+		sw = stringWriter{w}
+	}
+	return sw
+}
+
+func (r *genericReplacer) Replace(s string) string {
+	buf := make(appendSliceWriter, 0, len(s))
+	r.WriteString(&buf, s)
+	return string(buf)
+}
+
+func (r *genericReplacer) WriteString(w io.Writer, s string) (n int, err error) {
+	sw := getStringWriter(w)
+	var last, wn int
+	var prevMatchEmpty bool
+	for i := 0; i <= len(s); {
+		// Fast path: s[i] is not a prefix of any pattern.
+		if i != len(s) && r.root.priority == 0 {
+			index := int(r.mapping[ByteToLower(s[i])])
+			if index == r.tableSize || r.root.table[index] == nil {
+				i++
+				continue
+			}
+		}
+
+		// Ignore the empty match iff the previous loop found the empty match.
+		val, keylen, match := r.lookup(s[i:], prevMatchEmpty)
+		prevMatchEmpty = match && keylen == 0
+		if match {
+			orig := s[i : i+keylen]
+			switch CaseStyle(orig) {
+			case CaseUnknown:
+				// pretend we didn't match
+			//	i++
+			//	continue
+			case CaseUpper:
+				val = strings.ToUpper(val)
+			case CaseLower:
+				val = strings.ToLower(val)
+			case CaseTitle:
+				if len(val) < 2 {
+					val = strings.ToUpper(val)
+				} else {
+					val = strings.ToUpper(val[:1]) + strings.ToLower(val[1:])
+				}
+			}
+			wn, err = sw.WriteString(s[last:i])
+			n += wn
+			if err != nil {
+				return
+			}
+			//log.Printf("%d: Going to correct %q with %q", i, s[i:i+keylen], val)
+			wn, err = sw.WriteString(val)
+			n += wn
+			if err != nil {
+				return
+			}
+			i += keylen
+			last = i
+			continue
+		}
+		i++
+	}
+	if last != len(s) {
+		wn, err = sw.WriteString(s[last:])
+		n += wn
+	}
+	return
+}

vendor/github.com/client9/misspell/url.go

+package misspell
+
+import (
+	"regexp"
+)
+
+// Regexp for URL https://mathiasbynens.be/demo/url-regex
+//
+// original @imme_emosol (54 chars) has trouble with dashes in hostname
+// @(https?|ftp)://(-\.)?([^\s/?\.#-]+\.?)+(/[^\s]*)?$@iS
+var reURL = regexp.MustCompile(`(?i)(https?|ftp)://(-\.)?([^\s/?\.#]+\.?)+(/[^\s]*)?`)
+
+// StripURL attemps to replace URLs with blank spaces, e.g.
+//  "xxx http://foo.com/ yyy -> "xxx          yyyy"
+func StripURL(s string) string {
+	return reURL.ReplaceAllStringFunc(s, replaceWithBlanks)
+}