151 lines
3.4 KiB
Go
151 lines
3.4 KiB
Go
package cli
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import (
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"fmt"
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"os"
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"time"
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"git.eeqj.de/sneak/mfer/internal/log"
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"github.com/urfave/cli/v2"
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)
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type CLIApp struct {
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appname string
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version string
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gitrev string
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startupTime time.Time
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exitCode int
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app *cli.App
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}
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const banner = ` ___ ___ ___ ___
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/__/\ / /\ / /\ / /\
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| |::\ / /:/_ / /:/_ / /::\
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| |:|:\ / /:/ /\ / /:/ /\ / /:/\:\
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__|__|:|\:\ / /:/ /:/ / /:/ /:/_ / /:/~/:/
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/__/::::| \:\ /__/:/ /:/ /__/:/ /:/ /\ /__/:/ /:/___
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\ \:\~~\__\/ \ \:\/:/ \ \:\/:/ /:/ \ \:\/:::::/
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\ \:\ \ \::/ \ \::/ /:/ \ \::/~~~~
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\ \:\ \ \:\ \ \:\/:/ \ \:\
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\ \:\ \ \:\ \ \::/ \ \:\
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\__\/ \__\/ \__\/ \__\/`
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func (mfa *CLIApp) printBanner() {
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fmt.Println(banner)
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}
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func (mfa *CLIApp) VersionString() string {
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return fmt.Sprintf("%s (%s)", mfa.version, mfa.gitrev)
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}
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func (mfa *CLIApp) setVerbosity(v int) {
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_, present := os.LookupEnv("MFER_DEBUG")
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if present {
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log.EnableDebugLogging()
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} else {
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log.SetLevelFromVerbosity(v)
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}
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}
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func (mfa *CLIApp) run() {
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mfa.startupTime = time.Now()
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if NO_COLOR {
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// shoutout to rob pike who thinks it's juvenile
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log.DisableStyling()
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}
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log.Init()
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var verbosity int
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mfa.app = &cli.App{
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Name: mfa.appname,
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Usage: "Manifest generator",
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Version: mfa.VersionString(),
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EnableBashCompletion: true,
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "verbose",
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Usage: "Verbosity level",
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Aliases: []string{"v"},
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Count: &verbosity,
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},
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&cli.BoolFlag{
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Name: "quiet",
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Usage: "don't produce output except on error",
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Aliases: []string{"q"},
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},
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},
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Commands: []*cli.Command{
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{
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Name: "generate",
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Aliases: []string{"gen"},
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Usage: "Generate manifest file",
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Action: func(c *cli.Context) error {
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if !c.Bool("quiet") {
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mfa.printBanner()
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}
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mfa.setVerbosity(verbosity)
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return mfa.generateManifestOperation(c)
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},
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Flags: []cli.Flag{
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&cli.BoolFlag{
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Name: "FollowSymLinks",
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Aliases: []string{"follow-symlinks"},
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Usage: "Resolve encountered symlinks",
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},
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&cli.BoolFlag{
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Name: "IgnoreDotfiles",
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Aliases: []string{"ignore-dotfiles"},
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Usage: "Ignore any dot (hidden) files encountered",
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},
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&cli.StringFlag{
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Name: "output",
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Value: "./index.mf",
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Aliases: []string{"o"},
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Usage: "Specify output filename",
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},
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},
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},
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{
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Name: "check",
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Usage: "Validate files using manifest file",
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Action: func(c *cli.Context) error {
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if !c.Bool("quiet") {
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mfa.printBanner()
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}
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mfa.setVerbosity(verbosity)
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return mfa.checkManifestOperation(c)
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},
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},
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{
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Name: "version",
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Usage: "Show version",
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Action: func(c *cli.Context) error {
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fmt.Printf("%s\n", mfa.VersionString())
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return nil
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},
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},
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{
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Name: "fetch",
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Usage: "fetch manifest and referenced files",
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Action: func(c *cli.Context) error {
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if !c.Bool("quiet") {
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mfa.printBanner()
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}
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mfa.setVerbosity(verbosity)
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return mfa.fetchManifestOperation(c)
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},
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},
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},
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}
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mfa.app.HideVersion = true
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err := mfa.app.Run(os.Args)
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if err != nil {
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mfa.exitCode = 1
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log.WithError(err).Debugf("exiting")
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}
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}
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