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https://github.com/gohugoio/hugo.git
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parent
80ebe0578a
commit
a7f51703c4
3 changed files with 111 additions and 0 deletions
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@ -1960,6 +1960,13 @@ func (s *Site) renderAndWritePage(name string, dest string, d interface{}, layou
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transformLinks = append(transformLinks, transform.LiveReloadInject)
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}
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// For performance reasons we only inject the Hugo generator tag on the home page.
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if n, ok := d.(*Node); ok && n.IsHome {
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if !viper.GetBool("DisableHugoGeneratorInject") {
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transformLinks = append(transformLinks, transform.HugoGeneratorInject)
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}
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}
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var path []byte
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if viper.GetBool("RelativeURLs") {
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44
transform/hugogeneratorinject.go
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44
transform/hugogeneratorinject.go
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@ -0,0 +1,44 @@
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// Copyright 2016 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package transform
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import (
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"bytes"
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"fmt"
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"regexp"
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"github.com/spf13/hugo/helpers"
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)
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var metaTagsCheck = regexp.MustCompile(`(?i)<meta\s+name=['|"]?generator['|"]?`)
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var hugoGeneratorTag = fmt.Sprintf(`<meta name="generator" content="Hugo %s" />`, helpers.HugoVersion())
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func HugoGeneratorInject(ct contentTransformer) {
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if metaTagsCheck.Match(ct.Content()) {
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ct.Write(ct.Content())
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return
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}
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head := "<head>"
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replace := []byte(fmt.Sprintf("%s\n\t%s", head, hugoGeneratorTag))
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newcontent := bytes.Replace(ct.Content(), []byte(head), replace, 1)
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if len(newcontent) == len(ct.Content()) {
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head := "<HEAD>"
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replace := []byte(fmt.Sprintf("%s\n\t%s", head, hugoGeneratorTag))
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newcontent = bytes.Replace(ct.Content(), []byte(head), replace, 1)
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}
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ct.Write(newcontent)
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}
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60
transform/hugogeneratorinject_test.go
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60
transform/hugogeneratorinject_test.go
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@ -0,0 +1,60 @@
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// Copyright 2016 The Hugo Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package transform
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import (
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"bytes"
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"testing"
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"github.com/spf13/hugo/helpers"
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)
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func TestHugoGeneratorInject(t *testing.T) {
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hugoGeneratorTag = "META"
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for i, this := range []struct {
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in string
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expect string
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}{
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{`<head>
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<foo />
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</head>`, `<head>
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META
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<foo />
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</head>`},
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{`<HEAD>
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<foo />
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</HEAD>`, `<HEAD>
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META
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<foo />
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</HEAD>`},
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{`<head><meta name="generator" content="Jekyll" /></head>`, `<head><meta name="generator" content="Jekyll" /></head>`},
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{`<head><meta name='generator' content='Jekyll' /></head>`, `<head><meta name='generator' content='Jekyll' /></head>`},
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{`<head><meta name=generator content=Jekyll /></head>`, `<head><meta name=generator content=Jekyll /></head>`},
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{`<head><META NAME="GENERATOR" content="Jekyll" /></head>`, `<head><META NAME="GENERATOR" content="Jekyll" /></head>`},
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{"", ""},
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{"</head>", "</head>"},
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{"<head>", "<head>\n\tMETA"},
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} {
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in := helpers.StringToReader(this.in)
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out := new(bytes.Buffer)
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tr := NewChain(HugoGeneratorInject)
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tr.Apply(out, in, []byte(""))
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if out.String() != this.expect {
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t.Errorf("[%d] Expected \n%q got \n%q", i, this.expect, out.String())
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}
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}
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}
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