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Updating generator documentation and links

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Merging the updated documentation from the user_guide into the cobra/README.md.
Adding links as appropriate to both guides.
This commit is contained in:
Steve Francia
2021-07-02 10:58:34 -04:00
parent c97b7ece0b
commit cf87fc4e30
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user_guide.md
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@ -32,67 +32,7 @@ func main() {
Cobra provides its own program that will create your application and add any
commands you want. It's the easiest way to incorporate Cobra into your application.
Install the cobra generator with the command `go install github.com/spf13/cobra/cobra`.
Go will automatically install it in your $GOPATH/bin directory which should be in your $PATH.
Once installed you should have the `cobra` command available. Confirm by typing `cobra` at a
command line.
There are only two operations currently supported by Cobra generator.
### 1. Initializing a new project
The Cobra generator works from within a Go module.
If you haven't yet setup your project as a Go module:
1. Create a new directory
2. `cd` into that directory
3. run `go mod init <MODNAME>`
From within a Go module run `cobra init`. This will create a new barebones project
for you to edit.
You should be able to run you new application immediately. Try it with
`go run main.go`.
You will want to open up and edit 'cmd/root.go' and provide your own description and logic.
#### Optional flags:
You can provide it your author name with the `--author` flag.
e.g. `cobra init --author "Steve Francia spf@spf13.com"`
You can provide a license to use with `--license`
e.g. `cobra init --license apache`
Use the `--viper` flag to automatically setup [viper](https://github.com/spf13/viper)
Viper is a companion to Cobra intended to provide easy handling of environment variables and config files
and seamlessly connecting them to the application flags.
### 2. Add a command to a project
Once a cobra application is initialized you can continue to use cobra generator to
add additional commands to your application. The command to do this is `cobra add`.
As an example, if I was designing a todo application I would want to have my base `todo` command list the items.
I would then add additional commands to display, create, mark complete and delete items.
To add a command to an existing application, make sure you are in the directory with the main.go file and run:
`cobra add <cmdname>`.
#### Optional flags:
`cobra add` supports all the same optional flags as `cobra init` does.
Additionally you can provide a parent command for your new command. This defaults to rootCmd if not provided.
If you want to place your command under a different command, just provide the name of the command.
A todo is a bit too simple to really need a sub sub command. So let's use git as an example.
If I wanted to create a new git stash command I would do the following:
`cobra add stash`
`cobra add pop --parent=stash`
For complete details on using the Cobra generator, please read [The Cobra Generator README](https://github.com/spf13/cobra/blob/master/cobra/README.md)
## Using the Cobra Library