ref: b9e4f5898b1f8c5cb3b5e6525d1381ed3c9c5904
dir: /commands/mod.go/
// Copyright 2019 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 commands
import (
"errors"
"fmt"
"os"
"path/filepath"
"regexp"
"github.com/gohugoio/hugo/modules"
"github.com/spf13/cobra"
)
var _ cmder = (*modCmd)(nil)
type modCmd struct {
*baseBuilderCmd
}
func (c *modCmd) newVerifyCmd() *cobra.Command {
var clean bool
verifyCmd := &cobra.Command{
Use: "verify",
Short: "Verify dependencies.",
Long: `Verify checks that the dependencies of the current module, which are stored in a local downloaded source cache, have not been modified since being downloaded.
`,
RunE: func(cmd *cobra.Command, args []string) error {
return c.withModsClient(true, func(c *modules.Client) error {
return c.Verify(clean)
})
},
}
verifyCmd.Flags().BoolVarP(&clean, "clean", "", false, "delete module cache for dependencies that fail verification")
return verifyCmd
}
var moduleNotFoundRe = regexp.MustCompile("module.*not found")
func (c *modCmd) newCleanCmd() *cobra.Command {
var pattern string
var all bool
cmd := &cobra.Command{
Use: "clean",
Short: "Delete the Hugo Module cache for the current project.",
Long: `Delete the Hugo Module cache for the current project.
Note that after you run this command, all of your dependencies will be re-downloaded next time you run "hugo".
Also note that if you configure a positive maxAge for the "modules" file cache, it will also be cleaned as part of "hugo --gc".
`,
RunE: func(cmd *cobra.Command, args []string) error {
if all {
com, err := c.initConfig(false)
if err != nil && !moduleNotFoundRe.MatchString(err.Error()) {
return err
}
_, err = com.hugo().FileCaches.ModulesCache().Prune(true)
return err
}
return c.withModsClient(true, func(c *modules.Client) error {
return c.Clean(pattern)
})
},
}
cmd.Flags().StringVarP(&pattern, "pattern", "", "", `pattern matching module paths to clean (all if not set), e.g. "**hugo*"`)
cmd.Flags().BoolVarP(&all, "all", "", false, "clean entire module cache")
return cmd
}
func (b *commandsBuilder) newModCmd() *modCmd {
c := &modCmd{}
const commonUsage = `
Note that Hugo will always start out by resolving the components defined in the site
configuration, provided by a _vendor directory (if no --ignoreVendor flag provided),
Go Modules, or a folder inside the themes directory, in that order.
See https://gohugo.io/hugo-modules/ for more information.
`
cmd := &cobra.Command{
Use: "mod",
Short: "Various Hugo Modules helpers.",
Long: `Various helpers to help manage the modules in your project's dependency graph.
Most operations here requires a Go version installed on your system (>= Go 1.12) and the relevant VCS client (typically Git).
This is not needed if you only operate on modules inside /themes or if you have vendored them via "hugo mod vendor".
` + commonUsage,
RunE: nil,
}
cmd.AddCommand(
&cobra.Command{
Use: "get",
DisableFlagParsing: true,
Short: "Resolves dependencies in your current Hugo Project.",
Long: `
Resolves dependencies in your current Hugo Project.
Some examples:
Install the latest version possible for a given module:
hugo mod get github.com/gohugoio/testshortcodes
Install a specific version:
hugo mod get github.com/gohugoio/testshortcodes@v0.3.0
Install the latest versions of all module dependencies:
hugo mod get -u
hugo mod get -u ./... (recursive)
Run "go help get" for more information. All flags available for "go get" is also relevant here.
` + commonUsage,
RunE: func(cmd *cobra.Command, args []string) error {
// We currently just pass on the flags we get to Go and
// need to do the flag handling manually.
if len(args) == 1 && args[0] == "-h" {
return cmd.Help()
}
var lastArg string
if len(args) != 0 {
lastArg = args[len(args)-1]
}
if lastArg == "./..." {
args = args[:len(args)-1]
// Do a recursive update.
dirname, err := os.Getwd()
if err != nil {
return err
}
// Sanity check. We do recursive walking and want to avoid
// accidents.
if len(dirname) < 5 {
return errors.New("must not be run from the file system root")
}
filepath.Walk(dirname, func(path string, info os.FileInfo, err error) error {
if info.IsDir() {
return nil
}
if info.Name() == "go.mod" {
// Found a module.
dir := filepath.Dir(path)
fmt.Println("Update module in", dir)
c.source = dir
err := c.withModsClient(false, func(c *modules.Client) error {
if len(args) == 1 && args[0] == "-h" {
return cmd.Help()
}
return c.Get(args...)
})
if err != nil {
return err
}
}
return nil
})
return nil
}
return c.withModsClient(false, func(c *modules.Client) error {
return c.Get(args...)
})
},
},
&cobra.Command{
Use: "graph",
Short: "Print a module dependency graph.",
Long: `Print a module dependency graph with information about module status (disabled, vendored).
Note that for vendored modules, that is the version listed and not the one from go.mod.
`,
RunE: func(cmd *cobra.Command, args []string) error {
return c.withModsClient(true, func(c *modules.Client) error {
return c.Graph(os.Stdout)
})
},
},
&cobra.Command{
Use: "init",
Short: "Initialize this project as a Hugo Module.",
Long: `Initialize this project as a Hugo Module.
It will try to guess the module path, but you may help by passing it as an argument, e.g:
hugo mod init github.com/gohugoio/testshortcodes
Note that Hugo Modules supports multi-module projects, so you can initialize a Hugo Module
inside a subfolder on GitHub, as one example.
`,
RunE: func(cmd *cobra.Command, args []string) error {
var path string
if len(args) >= 1 {
path = args[0]
}
return c.withModsClient(false, func(c *modules.Client) error {
return c.Init(path)
})
},
},
&cobra.Command{
Use: "vendor",
Short: "Vendor all module dependencies into the _vendor directory.",
Long: `Vendor all module dependencies into the _vendor directory.
If a module is vendored, that is where Hugo will look for it's dependencies.
`,
RunE: func(cmd *cobra.Command, args []string) error {
return c.withModsClient(true, func(c *modules.Client) error {
return c.Vendor()
})
},
},
c.newVerifyCmd(),
&cobra.Command{
Use: "tidy",
Short: "Remove unused entries in go.mod and go.sum.",
RunE: func(cmd *cobra.Command, args []string) error {
return c.withModsClient(true, func(c *modules.Client) error {
return c.Tidy()
})
},
},
c.newCleanCmd(),
)
c.baseBuilderCmd = b.newBuilderCmd(cmd)
return c
}
func (c *modCmd) withModsClient(failOnMissingConfig bool, f func(*modules.Client) error) error {
com, err := c.initConfig(failOnMissingConfig)
if err != nil {
return err
}
return f(com.hugo().ModulesClient)
}
func (c *modCmd) initConfig(failOnNoConfig bool) (*commandeer, error) {
com, err := initializeConfig(failOnNoConfig, false, &c.hugoBuilderCommon, c, nil)
if err != nil {
return nil, err
}
return com, nil
}