58 lines
1 KiB
Go
58 lines
1 KiB
Go
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package main
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import (
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"os/exec"
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"os"
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"io"
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)
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// A monolithic function for executing recipes.
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func executeRecipe(program string,
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args []string,
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input string,
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echo_out bool,
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echo_err bool,
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capture_out bool) string {
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cmd := exec.Command(program, args...)
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if echo_out {
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cmdout, err := cmd.StdoutPipe()
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if err != nil {
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go io.Copy(os.Stdout, cmdout)
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}
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}
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if echo_err {
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cmderr, err := cmd.StdoutPipe()
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if err != nil {
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go io.Copy(os.Stderr, cmderr)
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}
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}
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if len(input) > 0 {
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cmdin, err := cmd.StdinPipe()
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go func () { cmdin.Write([]byte(input)) }()
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}
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output := ""
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var err error
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if capture_out {
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output, err = cmd.Output()
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} else {
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err = cmd.Run()
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}
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if err != nil {
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// TODO: better error output
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log.Fatal("Recipe failed")
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}
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return output
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}
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