func Init(defaultManifestFilename string) {
targetFlag = profiles.DefaultTarget()
var err error
rootDir, err = project.JiriRoot()
if err != nil {
panic(err)
}
manifest := filepath.Join(rootDir, defaultManifestFilename)
// Every sub-command accepts: --manifest
for _, fs := range []*flag.FlagSet{
&cmdInstall.Flags,
&cmdUpdate.Flags,
&cmdCleanup.Flags,
&cmdUninstall.Flags,
&cmdEnv.Flags,
&cmdList.Flags,
&cmdRecreate.Flags} {
profiles.RegisterManifestFlag(fs, &manifestFlag, manifest)
}
// install accepts: --target and, --env.
profiles.RegisterTargetAndEnvFlags(&cmdInstall.Flags, &targetFlag)
// uninstall and env accept: --target,
for _, fs := range []*flag.FlagSet{
&cmdUninstall.Flags,
&cmdEnv.Flags} {
profiles.RegisterTargetFlag(fs, &targetFlag)
}
// uninstall accept --all-targets but with different defaults.
cmdUninstall.Flags.BoolVar(&allFlag, "all-targets", false, "apply to all targets for the specified profile(s)")
// update accepts --v
cmdUpdate.Flags.BoolVar(&verboseFlag, "v", false, "print more detailed information")
// list accepts --show-manifest, --availabe, --v
cmdList.Flags.BoolVar(&showManifestFlag, "show-manifest", false, "print out the manifest file")
cmdList.Flags.BoolVar(&availableFlag, "available", false, "print the list of available profiles")
cmdList.Flags.BoolVar(&verboseFlag, "v", false, "print more detailed information")
// env accepts --profile
cmdEnv.Flags.StringVar(&profileFlag, "profile", "", "the profile whose environment is to be displayed")
for _, mgr := range profiles.Managers() {
profiles.LookupManager(mgr).AddFlags(&cmdInstall.Flags, profiles.Install)
profiles.LookupManager(mgr).AddFlags(&cmdUninstall.Flags, profiles.Uninstall)
}
}
func runUninstall(env *cmdline.Env, args []string) error {
ctx := tool.NewContextFromEnv(env)
if err := initCommand(ctx, args); err != nil {
return err
}
if allFlag && targetFlag.IsSet() {
return fmt.Errorf("don't specify a target in conjunction with --all")
}
if allFlag {
for _, name := range args {
profile := profiles.LookupProfile(name)
mgr := profiles.LookupManager(name)
if profile == nil || mgr == nil {
continue
}
mgr.SetRoot(rootDir)
for _, target := range profile.Targets() {
if err := mgr.Uninstall(ctx, *target); err != nil {
logResult(ctx, "Uninstall", mgr, *target, err)
return err
}
logResult(ctx, "Uninstall", mgr, *target, nil)
}
}
} else {
applyCommand(args, env, ctx, targetFlag,
func(mgr profiles.Manager, ctx *tool.Context, target profiles.Target) error {
err := mgr.Uninstall(ctx, target)
logResult(ctx, "Uninstall", mgr, target, err)
return err
})
}
return profiles.Write(ctx, manifestFlag)
}
func runList(env *cmdline.Env, args []string) error {
ctx := tool.NewContextFromEnv(env)
if showManifestFlag {
data, err := ctx.Run().ReadFile(manifestFlag)
if err != nil {
return err
}
fmt.Fprintln(ctx.Stdout(), string(data))
return nil
}
if verboseFlag {
fmt.Fprintf(ctx.Stdout(), "Manifest: %s\n", manifestFlag)
}
if availableFlag {
if verboseFlag {
fmt.Fprintf(ctx.Stdout(), "Available Profiles:\n")
for _, name := range profiles.Managers() {
mgr := profiles.LookupManager(name)
vi := mgr.VersionInfo()
fmt.Fprintf(ctx.Stdout(), "%s: versions: %s - %s\n", name, vi.Default(), strings.Join(vi.Supported(), " "))
}
} else {
fmt.Fprintf(ctx.Stdout(), "%s\n", strings.Join(profiles.Managers(), ", "))
}
}
if err := profiles.Read(ctx, manifestFlag); err != nil {
fmt.Fprintf(ctx.Stderr(), "Failed to read manifest: %v", err)
return err
}
profileNames := args
if len(args) == 0 {
profileNames = profiles.Profiles()
}
availableNames := []string{}
for _, name := range profileNames {
if profiles.LookupProfile(name) != nil {
availableNames = append(availableNames, name)
}
}
if verboseFlag {
fmt.Fprintf(ctx.Stdout(), "Installed Profiles: ")
fmt.Fprintf(ctx.Stdout(), "%s\n", strings.Join(profiles.Profiles(), ", "))
for _, name := range availableNames {
profile := profiles.LookupProfile(name)
fmt.Fprintf(ctx.Stdout(), "Profile: %s @ %s\n", profile.Name, profile.Root)
for _, target := range profile.Targets() {
fmt.Fprintf(ctx.Stdout(), "\t%s\n", target.DebugString())
}
}
} else {
for _, name := range availableNames {
profile := profiles.LookupProfile(name)
for _, target := range profile.Targets() {
fmt.Fprintf(ctx.Stdout(), "%s %s\n", name, target)
}
}
}
return nil
}
func applyCommand(names []string, env *cmdline.Env, ctx *tool.Context, target profiles.Target, fn func(profiles.Manager, *tool.Context, profiles.Target) error) error {
for _, n := range names {
mgr := profiles.LookupManager(n)
version, err := mgr.VersionInfo().Select(target.Version())
if err != nil {
return err
}
target.SetVersion(version)
mgr.SetRoot(rootDir)
if err := fn(mgr, ctx, target); err != nil {
return err
}
}
return nil
}
func initCommand(ctx *tool.Context, args []string) error {
if len(args) == 0 {
return fmt.Errorf("no profiles specified")
}
for _, n := range args {
if mgr := profiles.LookupManager(n); mgr == nil {
return fmt.Errorf("profile %v is not available, use \"list --available\" to see the list of available profiles", n)
}
}
if err := profiles.Read(ctx, manifestFlag); err != nil {
fmt.Fprintf(ctx.Stderr(), "Failed to read manifest: %v", err)
return err
}
return nil
}
func runInfo(env *cmdline.Env, args []string) error {
ctx := tool.NewContextFromEnv(env)
profileNames := args
if len(args) == 0 {
profileNames = profiles.Managers()
}
_, width, err := textutil.TerminalSize()
if err != nil {
width = 80
}
w := textutil.NewUTF8LineWriter(ctx.Stdout(), width)
defer w.Flush()
for _, name := range profileNames {
mgr := profiles.LookupManager(name)
if mgr == nil {
return fmt.Errorf("profile %q is not available", name)
}
fmt.Fprintf(w, "%s: %s\n\n", name, mgr.Info())
}
return nil
}
func runCleanup(env *cmdline.Env, args []string) error {
ctx := tool.NewContextFromEnv(env)
if len(args) == 0 {
args = profiles.Managers()
}
if err := initCommand(ctx, args); err != nil {
return err
}
for _, n := range args {
mgr := profiles.LookupManager(n)
vi := mgr.VersionInfo()
profile := profiles.LookupProfile(n)
for _, target := range profile.Targets() {
if vi.IsOlderThanDefault(target.Version()) {
err := mgr.Uninstall(ctx, *target)
logResult(ctx, "Cleanup", mgr, *target, err)
if err != nil {
return err
}
}
}
}
return profiles.Write(ctx, manifestFlag)
}
func runUpdate(env *cmdline.Env, args []string) error {
ctx := tool.NewContextFromEnv(env)
if len(args) == 0 {
args = profiles.Managers()
}
if err := initCommand(ctx, args); err != nil {
return err
}
for _, n := range args {
mgr := profiles.LookupManager(n)
profile := profiles.LookupProfile(n)
if profile == nil {
continue
}
vi := mgr.VersionInfo()
mgr.SetRoot(rootDir)
for _, target := range profile.Targets() {
if vi.IsNewerThanDefault(target.Version()) {
if verboseFlag {
fmt.Fprintf(ctx.Stdout(), "Updating %s %s from %q to %s\n", n, target, target.Version(), vi)
}
target.SetVersion(vi.Default())
err := mgr.Install(ctx, *target)
logResult(ctx, "Update", mgr, *target, err)
if err != nil {
return err
}
} else {
if verboseFlag {
fmt.Fprintf(ctx.Stdout(), "%s %s at %q is up to date(%s)\n", n, target, target.Version(), vi)
}
}
}
}
return profiles.Write(ctx, manifestFlag)
}
func ExampleManager() {
myProfile := "myNewProfile"
var target profiles.Target
init := func() {
profiles.Register(myProfile, newProfile(myProfile))
flags := flag.NewFlagSet("example", flag.ContinueOnError)
profiles.RegisterTargetAndEnvFlags(flags, &target)
flags.Parse([]string{"--target=myTarget=arm-linux", "--env=A=B,C=D", "--env=E=F"})
}
init()
mgr := profiles.LookupManager(myProfile)
if mgr == nil {
panic("manager not found for: " + myProfile)
}
ctx := tool.NewDefaultContext()
// Install myNewProfile for target.
if err := mgr.Install(ctx, target); err != nil {
panic("failed to find manager for: " + myProfile)
}
fmt.Println(mgr.String())
filename := tmpFile()
defer os.RemoveAll(filepath.Dir(filename))
if err := profiles.Write(ctx, filename); err != nil {
panic(err)
}
// Clear the profile manifest information in order to mimic starting
// a new process and reading the manifest file.
profiles.Clear()
// Read the profile manifest.
profiles.Read(ctx, filename)
mgr = profiles.LookupManager(myProfile)
if mgr == nil {
panic("manager not found for: " + myProfile)
}
fmt.Println(mgr.String())
mgr.Uninstall(ctx, target)
fmt.Println(mgr.String())
fmt.Println(mgr.VersionInfo().Supported())
fmt.Println(mgr.VersionInfo().Default())
// Output:
// Profile: myNewProfile: installed
// [myTarget=arm-linux@]
//
// Profile: myNewProfile: installed
// [myTarget=arm-linux@]
//
// Profile: myNewProfile: uninstalled
//
// [4 3 2]
// 3
}