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changes README to have go code ran through gofmt

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Austin Riendeau 2015-11-07 18:37:52 -07:00 committed by spf13
parent 1e1d5137bf
commit d4c0084f5d
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61
README.md
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@ -119,7 +119,8 @@ The root command represents your binary itself.
Cobra doesn't require any special constructors. Simply create your commands.
var HugoCmd = &cobra.Command{
```go
var HugoCmd = &cobra.Command{
Use: "hugo",
Short: "Hugo is a very fast static site generator",
Long: `A Fast and Flexible Static Site Generator built with
@ -128,20 +129,23 @@ Cobra doesn't require any special constructors. Simply create your commands.
Run: func(cmd *cobra.Command, args []string) {
// Do Stuff Here
},
}
}
```
### Create additional commands
Additional commands can be defined.
var versionCmd = &cobra.Command{
```go
var versionCmd = &cobra.Command{
Use: "version",
Short: "Print the version number of Hugo",
Long: `All software has versions. This is Hugo's`,
Run: func(cmd *cobra.Command, args []string) {
fmt.Println("Hugo Static Site Generator v0.9 -- HEAD")
},
}
}
```
### Attach command to its parent
In this example we are attaching it to the root, but commands can be attached at any level.
@ -198,14 +202,17 @@ by not providing a 'Run' for the 'rootCmd'.
We have only defined one flag for a single command.
More documentation about flags is available at https://github.com/spf13/pflag
```go
package main
import(
"github.com/spf13/cobra"
import (
"fmt"
"strings"
)
func main() {
"github.com/spf13/cobra"
)
func main() {
var echoTimes int
@ -237,7 +244,7 @@ More documentation about flags is available at https://github.com/spf13/pflag
Long: `echo things multiple times back to the user by providing
a count and a string.`,
Run: func(cmd *cobra.Command, args []string) {
for i:=0; i < echoTimes; i++ {
for i := 0; i < echoTimes; i++ {
fmt.Println("Echo: " + strings.Join(args, " "))
}
},
@ -249,8 +256,8 @@ More documentation about flags is available at https://github.com/spf13/pflag
rootCmd.AddCommand(cmdPrint, cmdEcho)
cmdEcho.AddCommand(cmdTimes)
rootCmd.Execute()
}
}
```
For a more complete example of a larger application, please checkout [Hugo](http://hugo.spf13.com)
## The Help Command
@ -308,7 +315,8 @@ You can provide your own Help command or you own template for the default comman
The default help command is
func (c *Command) initHelp() {
```go
func (c *Command) initHelp() {
if c.helpCommand == nil {
c.helpCommand = &Command{
Use: "help [command]",
@ -319,7 +327,8 @@ The default help command is
}
}
c.AddCommand(c.helpCommand)
}
}
```
You can provide your own command, function or template through the following methods.
@ -462,32 +471,6 @@ Cobra also has functions where the return signature is an error. This allows for
**Example Usage using RunE:**
```go
package main
import (
"errors"
"log"
"github.com/spf13/cobra"
)
func main() {
var rootCmd = &cobra.Command{
Use: "hugo",
Short: "Hugo is a very fast static site generator",
Long: `A Fast and Flexible Static Site Generator built with
love by spf13 and friends in Go.
Complete documentation is available at http://hugo.spf13.com`,
RunE: func(cmd *cobra.Command, args []string) error {
// Do Stuff Here
return errors.New("some random error")
},
}
if err := rootCmd.Execute(); err != nil {
log.Fatal(err)
}
}
```
## Suggestions when "unknown command" happens