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// Copyright 2016 The Hugo Authors. All rights reserved.
//
// 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.
// Package create provides functions to create new content.
package create
import (
"bytes"
"os"
"os/exec"
"path/filepath"
"github.com/gohugoio/hugo/helpers"
"github.com/gohugoio/hugo/hugolib"
jww "github.com/spf13/jwalterweatherman"
)
// NewContent creates a new content file in the content directory based upon the
// given kind, which is used to lookup an archetype.
func NewContent(
ps *helpers.PathSpec,
siteFactory func(filename string, siteUsed bool) (*hugolib.Site, error), kind, targetPath string) error {
ext := helpers.Ext(targetPath)
jww.INFO.Printf("attempting to create %q of %q of ext %q", targetPath, kind, ext)
archetypeFilename := findArchetype(ps, kind, ext)
// Building the sites can be expensive, so only do it if really needed.
siteUsed := false
if archetypeFilename != "" {
f, err := ps.Fs.Source.Open(archetypeFilename)
if err != nil {
return err
}
defer f.Close()
if helpers.ReaderContains(f, []byte(".Site")) {
siteUsed = true
}
}
s, err := siteFactory(targetPath, siteUsed)
if err != nil {
return err
}
var content []byte
content, err = executeArcheTypeAsTemplate(s, kind, targetPath, archetypeFilename)
if err != nil {
return err
}
// The site may have multiple content dirs, and we currently do not know which contentDir the
// user wants to create this content in. We should improve on this, but we start by testing if the
// provided path points to an existing dir. If so, use it as is.
var contentPath string
var exists bool
targetDir := filepath.Dir(targetPath)
if targetDir != "" && targetDir != "." {
exists, _ = helpers.Exists(targetDir, ps.Fs.Source)
}
if exists {
contentPath = targetPath
} else {
contentPath = s.PathSpec.AbsPathify(filepath.Join(s.Cfg.GetString("contentDir"), targetPath))
}
if err := helpers.SafeWriteToDisk(contentPath, bytes.NewReader(content), s.Fs.Source); err != nil {
return err
}
jww.FEEDBACK.Println(contentPath, "created")
editor := s.Cfg.GetString("newContentEditor")
if editor != "" {
jww.FEEDBACK.Printf("Editing %s with %q ...\n", targetPath, editor)
cmd := exec.Command(editor, contentPath)
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
return nil
}
// FindArchetype takes a given kind/archetype of content and returns an output
// path for that archetype. If no archetype is found, an empty string is
// returned.
func findArchetype(ps *helpers.PathSpec, kind, ext string) (outpath string) {
search := []string{ps.AbsPathify(ps.Cfg.GetString("archetypeDir"))}
if ps.Cfg.GetString("theme") != "" {
themeDir := filepath.Join(ps.AbsPathify(ps.Cfg.GetString("themesDir")+"/"+ps.Cfg.GetString("theme")), "/archetypes/")
if _, err := ps.Fs.Source.Stat(themeDir); os.IsNotExist(err) {
jww.ERROR.Printf("Unable to find archetypes directory for theme %q at %q", ps.Cfg.GetString("theme"), themeDir)
} else {
search = append(search, themeDir)
}
}
for _, x := range search {
// If the new content isn't in a subdirectory, kind == "".
// Therefore it should be excluded otherwise `is a directory`
// error will occur. github.com/gohugoio/hugo/issues/411
var pathsToCheck = []string{"default"}
if ext != "" {
if kind != "" {
pathsToCheck = append([]string{kind + ext, "default" + ext}, pathsToCheck...)
} else {
pathsToCheck = append([]string{"default" + ext}, pathsToCheck...)
}
}
for _, p := range pathsToCheck {
curpath := filepath.Join(x, p)
jww.DEBUG.Println("checking", curpath, "for archetypes")
if exists, _ := helpers.Exists(curpath, ps.Fs.Source); exists {
jww.INFO.Println("curpath: " + curpath)
return curpath
}
}
}
return ""
}
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