64 行
1.3 KiB
Go
64 行
1.3 KiB
Go
package gothub
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import (
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"bytes"
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"fmt"
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"github.com/spf13/cobra"
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"os"
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"os/exec"
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"runtime"
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)
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var updateCmd = &cobra.Command{
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Use: "update",
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Short: "Update GotHub.",
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Long: `This command checks for updates and re-builds GotHub. Does not work on Docker`,
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Run: func(cmd *cobra.Command, args []string) {
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update()
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},
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}
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func init() {
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rootCmd.AddCommand(updateCmd)
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}
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func update() {
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if os.Getenv("DOCKER") == "true" {
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fmt.Println("The GotHub update command does not work on Docker. Please re-create the container with a new image instead.")
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os.Exit(1)
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}
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gitPull := exec.Command("git", "pull")
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var out bytes.Buffer
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gitPull.Stdout = &out
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err := gitPull.Run()
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if out.String() == "Already up to date.\r" {
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fmt.Println("GotHub is already up to date.")
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os.Exit(0)
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}
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if err != nil {
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fmt.Println("Couldn't run Git pull. Are you using Git?", err)
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os.Exit(1)
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}
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if runtime.GOOS == "windows" {
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err := exec.Command("go", "build", "-o", "gothub.exe").Run()
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if err != nil {
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fmt.Println("Couldn't build GotHub.", err)
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os.Exit(1)
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} else {
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fmt.Println("GotHub updated successfully.")
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os.Exit(0)
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}
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} else {
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err := exec.Command("go", "build").Run()
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if err != nil {
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fmt.Println("Couldn't build GotHub.", err)
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os.Exit(1)
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} else {
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fmt.Println("GotHub updated successfully.")
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os.Exit(0)
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}
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}
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}
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