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modules/process: add ExecDirEnv (next to ExecDir) 

Add a sibling to ExecDir which is capable of specifying environment variables,
so that we can invoke `git` with GIT_INDEX_FILE, GIT_DIR, etc..

For #258
This commit is contained in:
Mura Li 2016-11-27 10:10:08 +08:00
parent 3ac72255fa
commit 9aaf2a6d9a
1 changed files with 8 additions and 2 deletions
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10
modules/process/manager.go
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@ -52,11 +52,11 @@ func Add(desc string, cmd *exec.Cmd) int64 {
return pid
}
// ExecDir runs a command in given path and waits for its completion
// ExecDirEnv runs a command in given path and environment variables, and waits for its completion
// up to the given timeout (or DefaultTimeout if -1 is given).
// Returns its complete stdout and stderr
// outputs and an error, if any (including timeout)
func ExecDir(timeout time.Duration, dir, desc, cmdName string, args ...string) (string, string, error) {
func ExecDirEnv(timeout time.Duration, dir, desc string, env []string, cmdName string, args ...string) (string, string, error) {
if timeout == -1 {
timeout = DefaultTimeout
}
@ -66,6 +66,7 @@ func ExecDir(timeout time.Duration, dir, desc, cmdName string, args ...string) (
cmd := exec.Command(cmdName, args...)
cmd.Dir = dir
cmd.Env = env
cmd.Stdout = bufOut
cmd.Stderr = bufErr
if err := cmd.Start(); err != nil {
@ -93,6 +94,11 @@ func ExecDir(timeout time.Duration, dir, desc, cmdName string, args ...string) (
return bufOut.String(), bufErr.String(), err
}
// ExecDir works exactly like ExecDirEnv except no environment variable is provided.
func ExecDir(timeout time.Duration, dir, desc, cmdName string, args ...string) (string, string, error) {
return ExecDirEnv(timeout, dir, desc, nil, cmdName, args...)
}
// ExecTimeout runs a command and waits for its completion
// up to the given timeout (or DefaultTimeout if -1 is given).
// Returns its complete stdout and stderr