exec

package
Version: v0.4.0 Latest Latest
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Published: May 25, 2021 License: Apache-2.0 Imports: 8 Imported by: 0

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Overview

Package exec defines tasks for running commands.

These are the supported tasks:

// Run executes the given shell command.
Run: {
	$id: *"tool/exec.Run" | "exec" // exec for backwards compatibility

	// cmd is the command to run.
	cmd: string | [string, ...string]

	// env defines the environment variables to use for this system.
	// If the value is a list, the entries mus be of the form key=value,
	// where the last value takes precendence in the case of multiple
	// occurrances of the same key.
	env: [string]: string | [...=~"="]

	// stdout captures the output from stdout if it is of type bytes or string.
	// The default value of null indicates it is redirected to the stdout of the
	// current process.
	stdout: *null | string | bytes

	// stderr is like stdout, but for errors.
	stderr: *null | string | bytes

	// stdin specifies the input for the process. If stdin is null, the stdin
	// of the current process is redirected to this command (the default).
	// If it is of typ bytes or string, that input will be used instead.
	stdin: *null | string | bytes

	// success is set to true when the process terminates with with a zero exit
	// code or false otherwise. The user can explicitly specify the value
	// force a fatal error if the desired success code is not reached.
	success: bool
}

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