203 lines
3.7 KiB
Go
203 lines
3.7 KiB
Go
package main
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import (
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"fmt"
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"log"
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"os"
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"runtime"
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"github.com/haunt98/color"
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"github.com/haunt98/dotfiles/pkg/config"
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"github.com/urfave/cli/v2"
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)
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const (
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appName = "dotfiles"
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appUsage = "managing dotfiles"
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// flags
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verboseFlag = "verbose"
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dryRunFlag = "dry-run"
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// commands
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installCommand = "install"
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updateCommand = "update"
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cleanCommand = "clean"
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// usages
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verboseUsage = "show what is going on"
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dryRunUsage = "demo mode without actually changing anything"
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installUsage = "install user configs from dotfiles"
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updateUsage = "update dotfiles from user configs"
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cleanUsage = "clean unused dotfiles"
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currentDir = "."
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)
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var (
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// aliases
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installAliases = []string{"i"}
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updateAliases = []string{"u"}
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cleanAliases = []string{"c"}
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// denyOSes contains OS which is not supported
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// go tool dist list
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denyOSes = map[string]struct{}{
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"windows": struct{}{},
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}
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)
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func main() {
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// Prevent running at runtime
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if _, ok := denyOSes[runtime.GOOS]; ok {
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color.PrintAppError(appName, fmt.Sprintf("OS %s is not supported right now", runtime.GOOS))
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return
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}
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a := &action{}
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app := &cli.App{
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Name: appName,
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Usage: appUsage,
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Commands: []*cli.Command{
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{
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Name: installCommand,
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Aliases: installAliases,
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Usage: installUsage,
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: verboseFlag,
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Usage: verboseUsage,
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},
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&cli.BoolFlag{
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Name: dryRunFlag,
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Usage: dryRunUsage,
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},
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},
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Action: a.RunInstall,
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},
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{
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Name: updateCommand,
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Aliases: updateAliases,
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Usage: updateUsage,
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: verboseFlag,
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Usage: verboseUsage,
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},
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&cli.BoolFlag{
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Name: dryRunFlag,
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Usage: dryRunUsage,
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},
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},
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Action: a.RunUpdate,
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},
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{
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Name: cleanCommand,
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Aliases: cleanAliases,
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Usage: cleanUsage,
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: verboseFlag,
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Usage: verboseUsage,
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},
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&cli.BoolFlag{
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Name: dryRunFlag,
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Usage: dryRunUsage,
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},
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},
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Action: a.RunClean,
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},
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},
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Action: a.RunHelp,
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}
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if err := app.Run(os.Args); err != nil {
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color.PrintAppError(appName, err.Error())
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}
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}
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type action struct {
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flags struct {
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verbose bool
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dryRun bool
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}
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}
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// Show help by default
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func (a *action) RunHelp(c *cli.Context) error {
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return cli.ShowAppHelp(c)
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}
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func (a *action) RunInstall(c *cli.Context) error {
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a.getFlags(c)
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a.log("start %s\n", installCommand)
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cfg, err := a.loadConfig()
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if err != nil {
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return err
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}
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if err := cfg.Install(); err != nil {
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return fmt.Errorf("failed to install config: %w", err)
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}
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return nil
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}
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func (a *action) RunUpdate(c *cli.Context) error {
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a.getFlags(c)
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a.log("start %s\n", updateCommand)
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cfg, err := a.loadConfig()
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if err != nil {
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return err
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}
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if err := cfg.Update(); err != nil {
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return fmt.Errorf("failed to update config: %w", err)
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}
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return nil
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}
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func (a *action) RunClean(c *cli.Context) error {
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a.getFlags(c)
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a.log("start %s\n", cleanCommand)
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cfg, err := a.loadConfig()
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if err != nil {
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return err
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}
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if err := cfg.Clean(); err != nil {
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return fmt.Errorf("failed to clean config: %w", err)
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}
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return nil
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}
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func (a *action) loadConfig() (config.Config, error) {
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cfgReal, cfgDemo, err := config.LoadConfig(currentDir)
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if err != nil {
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return nil, fmt.Errorf("failed to load config: %w", err)
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}
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if a.flags.dryRun {
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return cfgDemo, nil
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}
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return cfgReal, nil
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}
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func (a *action) getFlags(c *cli.Context) {
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a.flags.verbose = c.Bool(verboseFlag)
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a.flags.dryRun = c.Bool(dryRunFlag)
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}
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func (a *action) log(format string, v ...interface{}) {
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if a.flags.verbose {
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log.Printf(format, v...)
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}
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}
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