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https://github.com/restic/restic.git
synced 2025-12-14 01:02:01 +00:00
ui/termstatus: extract background handling code
This commit is contained in:
@@ -1,6 +1,6 @@
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//go:build unix
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//go:build unix
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package termstatus
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package terminal
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import "github.com/restic/restic/internal/debug"
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import "github.com/restic/restic/internal/debug"
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@@ -1,6 +1,6 @@
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//go:build unix
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//go:build unix
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package termstatus
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package terminal
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import (
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import (
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"os"
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"os"
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@@ -1,4 +1,4 @@
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package termstatus
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package terminal
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// IsProcessBackground reports whether the current process is running in the
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// IsProcessBackground reports whether the current process is running in the
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// background. Not implemented for this platform.
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// background. Not implemented for this platform.
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@@ -9,7 +9,6 @@ import (
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"github.com/restic/restic/internal/debug"
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"github.com/restic/restic/internal/debug"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/errors"
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"github.com/restic/restic/internal/ui/termstatus"
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"golang.org/x/sys/unix"
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"golang.org/x/sys/unix"
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)
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)
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@@ -29,13 +28,13 @@ func startForeground(cmd *exec.Cmd) (bg func() error, err error) {
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}
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}
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// only move child process to foreground if restic is in the foreground
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// only move child process to foreground if restic is in the foreground
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prev, err := termstatus.Tcgetpgrp(int(tty.Fd()))
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prev, err := Tcgetpgrp(int(tty.Fd()))
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if err != nil {
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if err != nil {
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_ = tty.Close()
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_ = tty.Close()
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return nil, err
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return nil, err
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}
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}
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self := termstatus.Getpgrp()
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self := Getpgrp()
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if prev != self {
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if prev != self {
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debug.Log("restic is not controlling the tty; err = %v", err)
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debug.Log("restic is not controlling the tty; err = %v", err)
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if err := tty.Close(); err != nil {
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if err := tty.Close(); err != nil {
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@@ -56,7 +55,7 @@ func startForeground(cmd *exec.Cmd) (bg func() error, err error) {
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}
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}
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// move the command's process group into the foreground
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// move the command's process group into the foreground
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err = termstatus.Tcsetpgrp(int(tty.Fd()), cmd.Process.Pid)
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err = Tcsetpgrp(int(tty.Fd()), cmd.Process.Pid)
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if err != nil {
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if err != nil {
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_ = tty.Close()
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_ = tty.Close()
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return nil, err
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return nil, err
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@@ -67,7 +66,7 @@ func startForeground(cmd *exec.Cmd) (bg func() error, err error) {
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signal.Reset(unix.SIGTTOU)
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signal.Reset(unix.SIGTTOU)
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// reset the foreground process group
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// reset the foreground process group
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err = termstatus.Tcsetpgrp(int(tty.Fd()), prev)
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err = Tcsetpgrp(int(tty.Fd()), prev)
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if err != nil {
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if err != nil {
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_ = tty.Close()
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_ = tty.Close()
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return err
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return err
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@@ -1,4 +1,4 @@
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package termstatus
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package terminal
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import "golang.org/x/sys/unix"
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import "golang.org/x/sys/unix"
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@@ -1,6 +1,6 @@
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//go:build unix && !solaris
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//go:build unix && !solaris
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package termstatus
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package terminal
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import "golang.org/x/sys/unix"
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import "golang.org/x/sys/unix"
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@@ -1,4 +1,4 @@
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package termstatus
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package terminal
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import "golang.org/x/sys/unix"
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import "golang.org/x/sys/unix"
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@@ -1,6 +1,6 @@
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//go:build unix && !linux
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//go:build unix && !linux
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package termstatus
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package terminal
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import "golang.org/x/sys/unix"
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import "golang.org/x/sys/unix"
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@@ -1,4 +1,4 @@
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package termstatus
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package terminal
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import "golang.org/x/sys/unix"
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import "golang.org/x/sys/unix"
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@@ -1,6 +1,6 @@
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//go:build unix && !aix
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//go:build unix && !aix
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package termstatus
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package terminal
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import "golang.org/x/sys/unix"
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import "golang.org/x/sys/unix"
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@@ -12,6 +12,8 @@ import (
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"golang.org/x/term"
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"golang.org/x/term"
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"golang.org/x/text/width"
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"golang.org/x/text/width"
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"github.com/restic/restic/internal/terminal"
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)
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)
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// Terminal is used to write messages and display status lines which can be
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// Terminal is used to write messages and display status lines which can be
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@@ -101,14 +103,14 @@ func (t *Terminal) run(ctx context.Context) {
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for {
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for {
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select {
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select {
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case <-ctx.Done():
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case <-ctx.Done():
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if !IsProcessBackground(t.fd) {
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if !terminal.IsProcessBackground(t.fd) {
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t.writeStatus([]string{})
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t.writeStatus([]string{})
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}
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}
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return
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return
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case msg := <-t.msg:
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case msg := <-t.msg:
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if IsProcessBackground(t.fd) {
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if terminal.IsProcessBackground(t.fd) {
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// ignore all messages, do nothing, we are in the background process group
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// ignore all messages, do nothing, we are in the background process group
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continue
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continue
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}
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}
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@@ -140,7 +142,7 @@ func (t *Terminal) run(ctx context.Context) {
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}
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}
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case stat := <-t.status:
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case stat := <-t.status:
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if IsProcessBackground(t.fd) {
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if terminal.IsProcessBackground(t.fd) {
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// ignore all messages, do nothing, we are in the background process group
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// ignore all messages, do nothing, we are in the background process group
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continue
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continue
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}
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}
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