shell script-ish example

build.go

package main

import (
    "io/ioutil"
    "log"
    "os"
    "os/exec"
)

const compile_script = "run.sh"

func main() {
    err := os.Chdir(os.Getenv("WORKSPACE"))
    if err != nil {
        log.Fatal(err)
    }
    if os.Getenv("COMPILE") == "Y" {
        log.Println("*** Compiling")
        err := ioutil.WriteFile(compile_script, []byte(compile), 0644)
        if err != nil {
            log.Fatal(err)
        }
        cmd := exec.Command("bash", "-e", compile_script)
        cmd.Stdout = os.Stdout
        cmd.Stderr = os.Stderr
        err = cmd.Run()
        if err != nil {
            log.Fatal(err)
        }
        log.Println("*** Finished compiling")
    }
}

const compile = `
#!/bin/bash

export TOP=$WORKSPACE/src/studio
export BUILD=$WORKSPACE/build
export VARIANT=Release

mkdir -p $BUILD
cd $BUILD

echo something > Jamfile.jam
echo something else >> Jamfile.jam

gcc --version
`