func init() {
registerCommand(&cmd.Command{
Name: "doc",
UsageLine: `doc <pkg> <sym>[.<method>]`,
Short: "show documentation for a package or symbol",
Long: `
Doc shows documentation for a package or symbol.
See 'go help doc'.
`,
Run: func(ctx *gb.Context, args []string) error {
env := cmd.MergeEnv(os.Environ(), map[string]string{
"GOPATH": fmt.Sprintf("%s:%s", ctx.Projectdir(), filepath.Join(ctx.Projectdir(), "vendor")),
})
if len(args) == 0 {
args = append(args, ".")
}
cmd := exec.Command("godoc", args...)
cmd.Env = env
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
},
SkipParseArgs: true,
})
}
func init() {
registerCommand(&cmd.Command{
Name: "doc",
UsageLine: `doc <pkg> <sym>[.<method>]`,
Short: "show documentation for a package or symbol",
Long: `
Doc shows documentation for a package or symbol.
See 'go help doc'.
`,
Run: func(ctx *gb.Context, args []string) error {
env := cmd.MergeEnv(os.Environ(), map[string]string{
"GOPATH": fmt.Sprintf("%s:%s", ctx.Projectdir(), filepath.Join(ctx.Projectdir(), "vendor")),
})
if len(args) == 0 {
args = append(args, ".")
}
args = append([]string{filepath.Join(ctx.Context.GOROOT, "bin", "godoc")}, args...)
cmd := exec.Cmd{
Path: args[0],
Args: args,
Env: env,
Stdin: os.Stdin,
Stdout: os.Stdout,
Stderr: os.Stderr,
}
return cmd.Run()
},
ParseArgs: func(_ *gb.Context, _ string, args []string) []string { return args },
})
}
func run(ctx *gb.Context, args []string) error {
if len(args) == 0 {
return errors.New(DocUsage)
}
// Build up the fake env
env := cmd.MergeEnv(os.Environ(), map[string]string{
"GOPATH": fmt.Sprintf("%s%s%s", projectRoot, string(os.PathListSeparator), path.Join(projectRoot, "vendor")),
})
// Switch on the subcommand
switch args[0] {
case "serve", "deploy", "build", "test":
return goapp(ctx, args, env)
case "raw":
return raw(ctx, args, env)
case "appcfg":
return appcfg(ctx, args, env)
default:
return fmt.Errorf("Unknown subcommand: %s\n\n%v", args[0], DocUsage)
}
}
func main() {
fatalf := func(format string, args ...interface{}) {
fmt.Fprintf(os.Stderr, "FATAL: "+format+"\n", args...)
os.Exit(1)
}
args := os.Args
if len(args) < 2 || args[1] == "-h" {
fs.Usage()
os.Exit(1)
}
name := args[1]
if name == "help" {
help(args[2:])
return
}
command, ok := commands[name]
if (command != nil && !command.Runnable()) || !ok {
plugin, err := lookupPlugin(name)
if err != nil {
fmt.Fprintf(os.Stderr, "FATAL: unknown command %q\n", name)
fs.Usage()
os.Exit(1)
}
command = &cmd.Command{
Run: func(ctx *gb.Context, args []string) error {
args = append([]string{plugin}, args...)
env := cmd.MergeEnv(os.Environ(), map[string]string{
"GB_PROJECT_DIR": ctx.Projectdir(),
})
cmd := exec.Cmd{
Path: plugin,
Args: args,
Env: env,
Stdin: os.Stdin,
Stdout: os.Stdout,
Stderr: os.Stderr,
}
return cmd.Run()
},
// plugin should not interpret arguments
ParseArgs: func(_ *gb.Context, _ string, args []string) []string { return args },
}
}
// add extra flags if necessary
if command.AddFlags != nil {
command.AddFlags(fs)
}
var err error
if command.FlagParse != nil {
err = command.FlagParse(fs, args)
} else {
err = fs.Parse(args[2:])
}
if err != nil {
fatalf("could not parse flags: %v", err)
}
args = fs.Args() // reset args to the leftovers from fs.Parse
if command == commands["plugin"] {
args = append([]string{name}, args...)
}
cwd, err := filepath.Abs(cwd) // if cwd was passed in via -R, make sure it is absolute
if err != nil {
fatalf("could not make project root absolute: %v", err)
}
ctx, err := cmd.NewContext(
cwd, // project root
gb.GcToolchain(),
gb.Gcflags(gcflags...),
gb.Ldflags(ldflags...),
gb.Tags(buildtags...),
)
if err != nil {
fatalf("unable to construct context: %v", err)
}
if !noDestroyContext {
defer ctx.Destroy()
}
if command.ParseArgs != nil {
args = command.ParseArgs(ctx, ctx.Projectdir(), args)
} else {
args = cmd.ImportPaths(ctx, cwd, args)
}
debug.Debugf("args: %v", args)
if err := command.Run(ctx, args); err != nil {
if !noDestroyContext {
ctx.Destroy()
}
fatalf("command %q failed: %v", name, err)
}
}
func init() {
registerCommand(GenerateCmd)
}
var GenerateCmd = &cmd.Command{
Name: "generate",
UsageLine: "generate [-run regexp] [file.go... | packages]",
Short: "generate Go files by processing source",
Long: `
Generate runs commands described by directives within existing files.
Those commands can run any process, but the intent is to create or update Go
source files, for instance by running yacc.
See 'go help generate'.
`,
Run: func(ctx *gb.Context, args []string) error {
env := cmd.MergeEnv(os.Environ(), map[string]string{
"GOPATH": fmt.Sprintf("%s:%s", ctx.Projectdir(), filepath.Join(ctx.Projectdir(), "vendor")),
})
cmd := exec.Command("go", append([]string{"generate"}, args...)...)
cmd.Env = env
cmd.Stdin = os.Stdin
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
},
}
func main() {
args := os.Args
if len(args) < 2 || args[1] == "-h" {
fs.Usage() // usage calles exit(2)
}
name := args[1]
if name == "help" {
help(args[2:])
exit(0)
}
command, ok := commands[name]
if (command != nil && !command.Runnable()) || !ok {
plugin, err := lookupPlugin(name)
if err != nil {
fmt.Fprintf(os.Stderr, "FATAL: unknown command %q\n", name)
fs.Usage() // usage calles exit(2)
}
command = &cmd.Command{
Run: func(ctx *gb.Context, args []string) error {
args = append([]string{plugin}, args...)
env := cmd.MergeEnv(os.Environ(), map[string]string{
"GB_PROJECT_DIR": ctx.Projectdir(),
})
cmd := exec.Cmd{
Path: plugin,
Args: args,
Env: env,
Stdin: os.Stdin,
Stdout: os.Stdout,
Stderr: os.Stderr,
}
return cmd.Run()
},
// plugin should not interpret arguments
SkipParseArgs: true,
}
}
// add extra flags if necessary
if command.AddFlags != nil {
command.AddFlags(fs)
}
var err error
if command.FlagParse != nil {
err = command.FlagParse(fs, args)
} else {
err = fs.Parse(args[2:])
}
if err != nil {
fatalf("could not parse flags: %v", err)
}
args = fs.Args() // reset args to the leftovers from fs.Parse
debug.Debugf("args: %v", args)
if command == commands["plugin"] {
args = append([]string{name}, args...)
}
cwd, err := filepath.Abs(cwd) // if cwd was passed in via -R, make sure it is absolute
if err != nil {
fatalf("could not make project root absolute: %v", err)
}
ctx, err := cmd.NewContext(
cwd, // project root
gb.GcToolchain(),
gb.Gcflags(gcflags...),
gb.Ldflags(ldflags...),
gb.Tags(buildtags...),
func(c *gb.Context) error {
if !race {
return nil
}
// check this is a supported platform
if runtime.GOARCH != "amd64" {
fatalf("race detector not supported on %s/%s", runtime.GOOS, runtime.GOARCH)
}
switch runtime.GOOS {
case "linux", "windows", "darwin", "freebsd":
// supported
default:
fatalf("race detector not supported on %s/%s", runtime.GOOS, runtime.GOARCH)
}
// check the race runtime is built
_, err := os.Stat(filepath.Join(runtime.GOROOT(), "pkg", fmt.Sprintf("%s_%s_race", runtime.GOOS, runtime.GOARCH), "runtime.a"))
if os.IsNotExist(err) || err != nil {
fatalf("go installation at %s is missing race support. See https://getgb.io/faq/#missing-race-support", runtime.GOROOT())
}
return gb.WithRace(c)
},
)
if err != nil {
fatalf("unable to construct context: %v", err)
}
if !command.SkipParseArgs {
args = cmd.ImportPaths(ctx, cwd, args)
}
debug.Debugf("args: %v", args)
if destroyContext {
atExit = append(atExit, ctx.Destroy)
}
if err := command.Run(ctx, args); err != nil {
fatalf("command %q failed: %v", name, err)
}
exit(0)
}
See gb help plugins.
`,
Run: func(ctx *gb.Context, args []string) error {
if len(args) < 1 {
return fmt.Errorf("plugin: no command supplied")
}
path, err := lookupPlugin(args[0])
if err != nil {
return err
}
args[0] = path
env := cmd.MergeEnv(os.Environ(), map[string]string{
"GB_PROJECT_DIR": ctx.Projectdir(),
})
cmd := exec.Cmd{
Path: path,
Args: args,
Env: env,
Stdin: os.Stdin,
Stdout: os.Stdout,
Stderr: os.Stderr,
}
return cmd.Run()
},
// plugin should not interpret arguments