hexec

package
Version: v0.101.0 Latest Latest
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Published: Jun 16, 2022 License: Apache-2.0 Imports: 12 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

View Source
var WithContext = func(ctx context.Context) func(c *commandeer) {
	return func(c *commandeer) {
		c.ctx = ctx
	}
}
View Source
var WithDir = func(dir string) func(c *commandeer) {
	return func(c *commandeer) {
		c.dir = dir
	}
}
View Source
var WithEnviron = func(env []string) func(c *commandeer) {
	return func(c *commandeer) {
		setOrAppend := func(s string) {
			k1, _ := config.SplitEnvVar(s)
			var found bool
			for i, v := range c.env {
				k2, _ := config.SplitEnvVar(v)
				if k1 == k2 {
					found = true
					c.env[i] = s
				}
			}

			if !found {
				c.env = append(c.env, s)
			}
		}

		for _, s := range env {
			setOrAppend(s)
		}
	}
}
View Source
var WithStderr = func(w io.Writer) func(c *commandeer) {
	return func(c *commandeer) {
		c.stderr = w
	}
}
View Source
var WithStdin = func(r io.Reader) func(c *commandeer) {
	return func(c *commandeer) {
		c.stdin = r
	}
}
View Source
var WithStdout = func(w io.Writer) func(c *commandeer) {
	return func(c *commandeer) {
		c.stdout = w
	}
}

Functions

func InPath added in v0.91.0

func InPath(binaryName string) bool

InPath reports whether binaryName is in $PATH.

func IsNotFound added in v0.91.0

func IsNotFound(err error) bool

IsNotFound reports whether this is an error about a binary not found.

func LookPath added in v0.91.0

func LookPath(binaryName string) string

LookPath finds the path to binaryName in $PATH. Returns "" if not found.

func SafeCommand

func SafeCommand(name string, arg ...string) (*exec.Cmd, error)

SafeCommand is a wrapper around os/exec Command which uses a LookPath implementation that does not search in current directory before looking in PATH. See https://github.com/cli/safeexec and the linked issues.

Types

type Exec added in v0.91.0

type Exec struct {
	// contains filtered or unexported fields
}

Exec encorces a security policy for commands run via os/exec.

func New added in v0.91.0

func New(cfg security.Config) *Exec

New creates a new Exec using the provided security config.

func (*Exec) New added in v0.91.0

func (e *Exec) New(name string, arg ...any) (Runner, error)

New will fail if name is not allowed according to the configured security policy. Else a configured Runner will be returned ready to be Run.

func (*Exec) Npx added in v0.91.0

func (e *Exec) Npx(name string, arg ...any) (Runner, error)

Npx is a convenience method to create a Runner running npx --no-install <name> <args.

func (*Exec) Sec added in v0.91.0

func (e *Exec) Sec() security.Config

Sec returns the security policies this Exec is configured with.

type NotFoundError added in v0.91.0

type NotFoundError struct {
	// contains filtered or unexported fields
}

func (*NotFoundError) Error added in v0.91.0

func (e *NotFoundError) Error() string

type Runner added in v0.91.0

type Runner interface {
	Run() error
	StdinPipe() (io.WriteCloser, error)
}

Runner wraps a *os.Cmd.

Source Files

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