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script

package standard library

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Versions in this module

go1

go1.25rc2

Jul 8, 2025

go1.25rc1

Jun 11, 2025

go1.24.5

Jul 8, 2025

go1.24.4

Jun 5, 2025

go1.24.3

May 6, 2025

go1.24.2

Apr 1, 2025

go1.24.1

Mar 4, 2025

go1.24.0

Feb 11, 2025

Changes in this version

+ var ErrUnexpectedSuccess = errors.New("unexpected success")

+ var ErrUsage = errors.New("invalid usage")

+ func DefaultCmds() map[string]Cmd

+ func DefaultConds() map[string]Cond

+ type Cmd interface

+ Run func(s *State, args ...string) (WaitFunc, error)

+ Usage func() *CmdUsage

+ func Cat() Cmd

+ func Cd() Cmd

+ func Chmod() Cmd

+ func Cmp() Cmd

+ func Cmpenv() Cmd

+ func Command(usage CmdUsage, run func(*State, ...string) (WaitFunc, error)) Cmd

+ func Cp() Cmd

+ func Echo() Cmd

+ func Env() Cmd

+ func Exec(cancel func(*exec.Cmd) error, waitDelay time.Duration) Cmd

+ func Exists() Cmd

+ func Grep() Cmd

+ func Help() Cmd

+ func Mkdir() Cmd

+ func Mv() Cmd

+ func Program(name string, cancel func(*exec.Cmd) error, waitDelay time.Duration) Cmd

+ func Replace() Cmd

+ func Rm() Cmd

+ func Sleep() Cmd

+ func Stderr() Cmd

+ func Stdout() Cmd

+ func Stop() Cmd

+ func Symlink() Cmd

+ func Wait() Cmd

+ type CmdUsage struct

+ Args string

+ Async bool

+ Detail []string

+ RegexpArgs func(rawArgs ...string) []int

+ Summary string

+ type CommandError struct

+ Args []string

+ Err error

+ File string

+ Line int

+ Op string

+ func (e *CommandError) Error() string

+ func (e *CommandError) Unwrap() error

+ type Cond interface

+ Eval func(s *State, suffix string) (bool, error)

+ Usage func() *CondUsage

+ func BoolCondition(summary string, v bool) Cond

+ func CachedCondition(summary string, eval func(string) (bool, error)) Cond

+ func Condition(summary string, eval func(*State) (bool, error)) Cond

+ func OnceCondition(summary string, eval func() (bool, error)) Cond

+ func PrefixCondition(summary string, eval func(*State, string) (bool, error)) Cond

+ type CondUsage struct

+ Prefix bool

+ Summary string

+ type Engine struct

+ Cmds map[string]Cmd

+ Conds map[string]Cond

+ Quiet bool

+ func NewEngine() *Engine

+ func (e *Engine) Execute(s *State, file string, script *bufio.Reader, log io.Writer) (err error)

+ func (e *Engine) ListCmds(w io.Writer, verbose bool, names ...string) error

+ func (e *Engine) ListConds(w io.Writer, s *State, tags ...string) error

+ type State struct

+ func NewState(ctx context.Context, workdir string, initialEnv []string) (*State, error)

+ func (s *State) Chdir(path string) error

+ func (s *State) CloseAndWait(log io.Writer) error

+ func (s *State) Context() context.Context

+ func (s *State) Environ() []string

+ func (s *State) ExpandEnv(str string, inRegexp bool) string

+ func (s *State) ExtractFiles(ar *txtar.Archive) error

+ func (s *State) Getwd() string

+ func (s *State) Logf(format string, args ...any)

+ func (s *State) LookupEnv(key string) (string, bool)

+ func (s *State) Path(path string) string

+ func (s *State) Setenv(key, value string) error

+ func (s *State) Stderr() string

+ func (s *State) Stdout() string

+ type UsageError struct

+ Command Cmd

+ Name string

+ func (e *UsageError) Error() string

+ type WaitFunc func(*State) (stdout, stderr string, err error)

go1.24rc3

Feb 5, 2025

go1.24rc2

Jan 16, 2025

go1.24rc1

Dec 13, 2024