cmd/vendor, cmd/pprof: use golang.org/x/term directly

The cmd/pprof package currently uses golang.org/x/crypto/ssh/terminal
which - as of CL 258003 - is merely a wrapper around golang.org/x/term.

Thus, drop the dependency on golang.org/x/crypto/ssh/terminal and use
golang.org/x/term directly.

Change-Id: Ib15f1f110c338b9dba4a91a873171948ae6298a4
Reviewed-on: https://go-review.googlesource.com/c/go/+/304691
Trust: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>

1 files changed, 10 insertions, 10 deletions

diff --git a/src/cmd/pprof/readlineui.go b/src/cmd/pprof/readlineui.go
index dbbb9c2787..f46e934e0f 100644
--- a/src/cmd/pprof/readlineui.go
+++ b/src/cmd/pprof/readlineui.go
@@ -19,7 +19,7 @@ import (
 	"strings"
 
 	"github.com/google/pprof/driver"
-	"golang.org/x/crypto/ssh/terminal"
+	"golang.org/x/term"
 )
 
 func init() {
@@ -27,11 +27,11 @@ func init() {
 }
 
 // readlineUI implements driver.UI interface using the
-// golang.org/x/crypto/ssh/terminal package.
+// golang.org/x/term package.
 // The upstream pprof command implements the same functionality
 // using the github.com/chzyer/readline package.
 type readlineUI struct {
-	term *terminal.Terminal
+	term *term.Terminal
 }
 
 func newReadlineUI() driver.UI {
@@ -39,19 +39,19 @@ func newReadlineUI() driver.UI {
 	if v := strings.ToLower(os.Getenv("TERM")); v == "" || v == "dumb" {
 		return nil
 	}
-	// test if we can use terminal.ReadLine
+	// test if we can use term.ReadLine
 	// that assumes operation in the raw mode.
-	oldState, err := terminal.MakeRaw(0)
+	oldState, err := term.MakeRaw(0)
 	if err != nil {
 		return nil
 	}
-	terminal.Restore(0, oldState)
+	term.Restore(0, oldState)
 
 	rw := struct {
 		io.Reader
 		io.Writer
 	}{os.Stdin, os.Stderr}
-	return &readlineUI{term: terminal.NewTerminal(rw, "")}
+	return &readlineUI{term: term.NewTerminal(rw, "")}
 }
 
 // Read returns a line of text (a command) read from the user.
@@ -61,8 +61,8 @@ func (r *readlineUI) ReadLine(prompt string) (string, error) {
 
 	// skip error checking because we tested it
 	// when creating this readlineUI initially.
-	oldState, _ := terminal.MakeRaw(0)
-	defer terminal.Restore(0, oldState)
+	oldState, _ := term.MakeRaw(0)
+	defer term.Restore(0, oldState)
 
 	s, err := r.term.ReadLine()
 	return s, err
@@ -106,7 +106,7 @@ func colorize(msg string) string {
 // interactive terminal (as opposed to being redirected to a file).
 func (r *readlineUI) IsTerminal() bool {
 	const stdout = 1
-	return terminal.IsTerminal(stdout)
+	return term.IsTerminal(stdout)
 }
 
 // WantBrowser indicates whether browser should be opened with the -http option.