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format tpl/main.go templates (#980)

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Joshua Harshman 2019-12-23 13:51:40 -07:00 committed by GitHub
parent 0d9d2d46f3
commit 447f182a9d
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3 changed files with 92 additions and 99 deletions
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2
cobra/cmd/testdata/main.go.golden vendored
View file

@ -18,5 +18,5 @@ package main
import "github.com/spf13/testproject/cmd" import "github.com/spf13/testproject/cmd"
func main() { func main() {
cmd.Execute() cmd.Execute()
} }

90
cobra/cmd/testdata/root.go.golden vendored
View file

@ -16,82 +16,76 @@ limitations under the License.
package cmd package cmd
import ( import (
"fmt" "fmt"
"os" "github.com/spf13/cobra"
"github.com/spf13/cobra" "os"
homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/viper"
homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/viper"
) )
var cfgFile string var cfgFile string
// rootCmd represents the base command when called without any subcommands // rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{ var rootCmd = &cobra.Command{
Use: "testproject", Use: "testproject",
Short: "A brief description of your application", Short: "A brief description of your application",
Long: `A longer description that spans multiple lines and likely contains Long: `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example: examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications. Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files This application is a tool to generate the needed files
to quickly create a Cobra application.`, to quickly create a Cobra application.`,
// Uncomment the following line if your bare application // Uncomment the following line if your bare application
// has an action associated with it: // has an action associated with it:
// Run: func(cmd *cobra.Command, args []string) { }, // Run: func(cmd *cobra.Command, args []string) { },
} }
// Execute adds all child commands to the root command and sets flags appropriately. // Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd. // This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() { func Execute() {
if err := rootCmd.Execute(); err != nil { if err := rootCmd.Execute(); err != nil {
fmt.Println(err) fmt.Println(err)
os.Exit(1) os.Exit(1)
} }
} }
func init() { func init() {
cobra.OnInitialize(initConfig) cobra.OnInitialize(initConfig)
// Here you will define your flags and configuration settings. // Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here, // Cobra supports persistent flags, which, if defined here,
// will be global for your application. // will be global for your application.
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.testproject.yaml)") rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.testproject.yaml)")
// Cobra also supports local flags, which will only run
// Cobra also supports local flags, which will only run // when this action is called directly.
// when this action is called directly. rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
} }
// initConfig reads in config file and ENV variables if set. // initConfig reads in config file and ENV variables if set.
func initConfig() { func initConfig() {
if cfgFile != "" { if cfgFile != "" {
// Use config file from the flag. // Use config file from the flag.
viper.SetConfigFile(cfgFile) viper.SetConfigFile(cfgFile)
} else { } else {
// Find home directory. // Find home directory.
home, err := homedir.Dir() home, err := homedir.Dir()
if err != nil { if err != nil {
fmt.Println(err) fmt.Println(err)
os.Exit(1) os.Exit(1)
} }
// Search config in home directory with name ".testproject" (without extension). // Search config in home directory with name ".testproject" (without extension).
viper.AddConfigPath(home) viper.AddConfigPath(home)
viper.SetConfigName(".testproject") viper.SetConfigName(".testproject")
} }
viper.AutomaticEnv() // read in environment variables that match viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in. // If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil { if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed()) fmt.Println("Using config file:", viper.ConfigFileUsed())
} }
} }

99
cobra/tpl/main.go
View file

@ -10,7 +10,7 @@ package main
import "{{ .PkgName }}/cmd" import "{{ .PkgName }}/cmd"
func main() { func main() {
cmd.Execute() cmd.Execute()
} }
`) `)
} }
@ -23,88 +23,87 @@ func RootTemplate() []byte {
package cmd package cmd
import ( import (
"fmt" "fmt"
"os" "github.com/spf13/cobra"
"github.com/spf13/cobra" "os"
{{ if .Viper }} {{ if .Viper }}
homedir "github.com/mitchellh/go-homedir" homedir "github.com/mitchellh/go-homedir"
"github.com/spf13/viper" "github.com/spf13/viper"
{{ end }} {{ end -}}
) )
{{ if .Viper }} {{ if .Viper -}}
var cfgFile string var cfgFile string
{{ end }} {{- end }}
// rootCmd represents the base command when called without any subcommands // rootCmd represents the base command when called without any subcommands
var rootCmd = &cobra.Command{ var rootCmd = &cobra.Command{
Use: "{{ .AppName }}", Use: "{{ .AppName }}",
Short: "A brief description of your application", Short: "A brief description of your application",
Long: ` + "`" + `A longer description that spans multiple lines and likely contains Long: ` + "`" + `A longer description that spans multiple lines and likely contains
examples and usage of using your application. For example: examples and usage of using your application. For example:
Cobra is a CLI library for Go that empowers applications. Cobra is a CLI library for Go that empowers applications.
This application is a tool to generate the needed files This application is a tool to generate the needed files
to quickly create a Cobra application.` + "`" + `, to quickly create a Cobra application.` + "`" + `,
// Uncomment the following line if your bare application // Uncomment the following line if your bare application
// has an action associated with it: // has an action associated with it:
// Run: func(cmd *cobra.Command, args []string) { }, // Run: func(cmd *cobra.Command, args []string) { },
} }
// Execute adds all child commands to the root command and sets flags appropriately. // Execute adds all child commands to the root command and sets flags appropriately.
// This is called by main.main(). It only needs to happen once to the rootCmd. // This is called by main.main(). It only needs to happen once to the rootCmd.
func Execute() { func Execute() {
if err := rootCmd.Execute(); err != nil { if err := rootCmd.Execute(); err != nil {
fmt.Println(err) fmt.Println(err)
os.Exit(1) os.Exit(1)
} }
} }
func init() { func init() {
{{- if .Viper }} {{- if .Viper }}
cobra.OnInitialize(initConfig) cobra.OnInitialize(initConfig)
{{ end }} {{ end }}
// Here you will define your flags and configuration settings. // Here you will define your flags and configuration settings.
// Cobra supports persistent flags, which, if defined here, // Cobra supports persistent flags, which, if defined here,
// will be global for your application. // will be global for your application.
{{ if .Viper }} {{ if .Viper }}
rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .AppName }}.yaml)") rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .AppName }}.yaml)")
{{ else }} {{ else }}
// rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .AppName }}.yaml)") // rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.{{ .AppName }}.yaml)")
{{ end }} {{ end }}
// Cobra also supports local flags, which will only run
// Cobra also supports local flags, which will only run // when this action is called directly.
// when this action is called directly. rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
rootCmd.Flags().BoolP("toggle", "t", false, "Help message for toggle")
} }
{{ if .Viper }} {{ if .Viper -}}
// initConfig reads in config file and ENV variables if set. // initConfig reads in config file and ENV variables if set.
func initConfig() { func initConfig() {
if cfgFile != "" { if cfgFile != "" {
// Use config file from the flag. // Use config file from the flag.
viper.SetConfigFile(cfgFile) viper.SetConfigFile(cfgFile)
} else { } else {
// Find home directory. // Find home directory.
home, err := homedir.Dir() home, err := homedir.Dir()
if err != nil { if err != nil {
fmt.Println(err) fmt.Println(err)
os.Exit(1) os.Exit(1)
} }
// Search config in home directory with name ".{{ .AppName }}" (without extension). // Search config in home directory with name ".{{ .AppName }}" (without extension).
viper.AddConfigPath(home) viper.AddConfigPath(home)
viper.SetConfigName(".{{ .AppName }}") viper.SetConfigName(".{{ .AppName }}")
} }
viper.AutomaticEnv() // read in environment variables that match viper.AutomaticEnv() // read in environment variables that match
// If a config file is found, read it in. // If a config file is found, read it in.
if err := viper.ReadInConfig(); err == nil { if err := viper.ReadInConfig(); err == nil {
fmt.Println("Using config file:", viper.ConfigFileUsed()) fmt.Println("Using config file:", viper.ConfigFileUsed())
} }
} }
{{ end }} {{- end }}
`) `)
} }