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mirror of https://github.com/octoleo/restic.git synced 2024-12-22 19:08:55 +00:00
restic/internal/backend/util/foreground.go
Michael Eischer 7881309d63 backend: move backend implementation helpers to util package
This removes code that is only used within a backend implementation from
the backend package. The latter now only contains code that also has
external users.
2023-10-25 22:54:07 +02:00

27 lines
609 B
Go

package util
import (
"os"
"os/exec"
"strings"
)
// StartForeground runs cmd in the foreground, by temporarily switching to the
// new process group created for cmd. The returned function `bg` switches back
// to the previous process group.
//
// The command's environment has all RESTIC_* variables removed.
func StartForeground(cmd *exec.Cmd) (bg func() error, err error) {
env := os.Environ() // Returns a copy that we can modify.
cmd.Env = env[:0]
for _, kv := range env {
if strings.HasPrefix(kv, "RESTIC_") {
continue
}
cmd.Env = append(cmd.Env, kv)
}
return startForeground(cmd)
}