Fix build on Plan 9

go.mod

@@ -1,8 +1,10 @@
 module github.com/cheggaaa/pb
 
 require (
-	github.com/fatih/color v1.7.0
-	github.com/mattn/go-colorable v0.1.2
+	github.com/fatih/color v1.9.0
+	github.com/mattn/go-colorable v0.1.4
 	github.com/mattn/go-runewidth v0.0.4
-	golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb
+	golang.org/x/sys v0.0.0-20191026070338-33540a1f6037
 )
+
+go 1.12

go.sum

@@ -1,11 +1,19 @@
 github.com/fatih/color v1.7.0 h1:DkWD4oS2D8LGGgTQ6IvwJJXSL5Vp2ffcQg58nFV38Ys=
 github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5KwzbycvMj4=
+github.com/fatih/color v1.9.0 h1:8xPHl4/q1VyqGIPif1F+1V3Y3lSmrq01EabUW3CoW5s=
+github.com/fatih/color v1.9.0/go.mod h1:eQcE1qtQxscV5RaZvpXrrb8Drkc3/DdQ+uUYCNjL+zU=
 github.com/mattn/go-colorable v0.1.2 h1:/bC9yWikZXAL9uJdulbSfyVNIR3n3trXl+v8+1sx8mU=
 github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
+github.com/mattn/go-colorable v0.1.4 h1:snbPLB8fVfU9iwbbo30TPtbLRzwWu6aJS6Xh4eaaviA=
+github.com/mattn/go-colorable v0.1.4/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE=
 github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE=
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
+github.com/mattn/go-isatty v0.0.11 h1:FxPOTFNqGkuDUGi3H/qkUbQO4ZiBa2brKq5r0l8TGeM=
+github.com/mattn/go-isatty v0.0.11/go.mod h1:PhnuNfih5lzO57/f3n+odYbM4JtupLOxQOAqxQCu2WE=
 github.com/mattn/go-runewidth v0.0.4 h1:2BvfKmzob6Bmd4YsL0zygOqfdFnK7GR4QL06Do4/p7Y=
 github.com/mattn/go-runewidth v0.0.4/go.mod h1:LwmH8dsx7+W8Uxz3IHJYH5QSwggIsqBzpuz5H//U1FU=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb h1:fgwFCsaw9buMuxNd6+DQfAuSFqbNiQZpcgJQAgJsK6k=
 golang.org/x/sys v0.0.0-20190626221950-04f50cda93cb/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

pb_plan9.go

@@ -0,0 +1,70 @@
+package pb
+
+import (
+	"errors"
+	"os"
+	"os/signal"
+	"sync"
+	"syscall"
+)
+
+var ErrPoolWasStarted = errors.New("Bar pool was started")
+
+var (
+	echoLockMutex sync.Mutex
+	consctl       *os.File
+)
+
+// terminalWidth returns width of the terminal.
+func terminalWidth() (int, error) {
+	return 0, errors.New("Not Supported")
+}
+
+func lockEcho() (shutdownCh chan struct{}, err error) {
+	echoLockMutex.Lock()
+	defer echoLockMutex.Unlock()
+
+	if consctl != nil {
+		return nil, ErrPoolWasStarted
+	}
+	consctl, err = os.OpenFile("/dev/consctl", os.O_WRONLY, 0)
+	if err != nil {
+		return nil, err
+	}
+	_, err = consctl.WriteString("rawon")
+	if err != nil {
+		consctl.Close()
+		consctl = nil
+		return nil, err
+	}
+	shutdownCh = make(chan struct{})
+	go catchTerminate(shutdownCh)
+	return
+}
+
+func unlockEcho() error {
+	echoLockMutex.Lock()
+	defer echoLockMutex.Unlock()
+
+	if consctl == nil {
+		return nil
+	}
+	if err := consctl.Close(); err != nil {
+		return err
+	}
+	consctl = nil
+	return nil
+}
+
+// listen exit signals and restore terminal state
+func catchTerminate(shutdownCh chan struct{}) {
+	sig := make(chan os.Signal, 1)
+	signal.Notify(sig, os.Interrupt, syscall.SIGTERM, syscall.SIGKILL)
+	defer signal.Stop(sig)
+	select {
+	case <-shutdownCh:
+		unlockEcho()
+	case <-sig:
+		unlockEcho()
+	}
+}

pool.go

@@ -1,4 +1,4 @@
-// +build linux darwin freebsd netbsd openbsd solaris dragonfly windows
+// +build linux darwin freebsd netbsd openbsd solaris dragonfly windows plan9
 
 package pb
 

pool_x.go

@@ -1,4 +1,4 @@
-// +build linux darwin freebsd netbsd openbsd solaris dragonfly
+// +build linux darwin freebsd netbsd openbsd solaris dragonfly plan9
 
 package pb
 

v3/go.mod

@@ -4,9 +4,8 @@ require (
 	github.com/VividCortex/ewma v1.1.1
 	github.com/fatih/color v1.7.0
 	github.com/mattn/go-colorable v0.1.2
-	github.com/mattn/go-isatty v0.0.10
+	github.com/mattn/go-isatty v0.0.12
 	github.com/mattn/go-runewidth v0.0.7
-	golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9 // indirect
 )
 
 go 1.12

v3/go.sum

@@ -8,10 +8,14 @@ github.com/mattn/go-isatty v0.0.8 h1:HLtExJ+uU2HOZ+wI0Tt5DtUDrx8yhUqDcp7fYERX4CE
 github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s=
 github.com/mattn/go-isatty v0.0.10 h1:qxFzApOv4WsAL965uUPIsXzAKCZxN2p9UqdhFS4ZW10=
 github.com/mattn/go-isatty v0.0.10/go.mod h1:qgIWMr58cqv1PHHyhnkY9lrL7etaEgOFcMEpPG5Rm84=
+github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY=
+github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU=
 github.com/mattn/go-runewidth v0.0.7 h1:Ei8KR0497xHyKJPAv59M1dkC+rOZCMBJ+t3fZ+twI54=
 github.com/mattn/go-runewidth v0.0.7/go.mod h1:H031xJmbD/WCDINGzjvQ9THkh0rPKHF+m2gUSrubnMI=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223 h1:DH4skfRX4EBpamg7iV4ZlCpblAHI6s6TDM39bFZumv8=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20191008105621-543471e840be/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9 h1:ZBzSG/7F4eNKz2L3GE9o300RX0Az1Bw5HF7PDraD+qU=
 golang.org/x/sys v0.0.0-20191128015809-6d18c012aee9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42 h1:vEOn+mP2zCOVzKckCZy6YsCtDblrpj/w7B9nxGNELpg=
+golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=

v3/termutil/term.go

@@ -5,7 +5,6 @@ import (
 	"os"
 	"os/signal"
 	"sync"
-	"syscall"
 )
 
 var echoLocked bool
@@ -46,7 +45,7 @@ func RawModeOff() (err error) {
 // listen exit signals and restore terminal state
 func catchTerminate(quit chan struct{}) {
 	sig := make(chan os.Signal, 1)
-	signal.Notify(sig, os.Interrupt, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGKILL)
+	signal.Notify(sig, unlockSignals...)
 	defer signal.Stop(sig)
 	select {
 	case <-quit:

v3/termutil/term_plan9.go

@@ -0,0 +1,50 @@
+package termutil
+
+import (
+	"errors"
+	"os"
+	"syscall"
+)
+
+var (
+	consctl *os.File
+
+	// Plan 9 doesn't have syscall.SIGQUIT
+	unlockSignals = []os.Signal{
+		os.Interrupt, syscall.SIGTERM, syscall.SIGKILL,
+	}
+)
+
+// TerminalWidth returns width of the terminal.
+func TerminalWidth() (int, error) {
+	return 0, errors.New("Not supported")
+}
+
+func lockEcho() error {
+	if consctl != nil {
+		return errors.New("consctl already open")
+	}
+	var err error
+	consctl, err = os.OpenFile("/dev/consctl", os.O_WRONLY, 0)
+	if err != nil {
+		return err
+	}
+	_, err = consctl.WriteString("rawon")
+	if err != nil {
+		consctl.Close()
+		consctl = nil
+		return err
+	}
+	return nil
+}
+
+func unlockEcho() error {
+	if consctl == nil {
+		return nil
+	}
+	if err := consctl.Close(); err != nil {
+		return err
+	}
+	consctl = nil
+	return nil
+}

v3/termutil/term_win.go

@@ -11,7 +11,13 @@ import (
 	"unsafe"
 )
 
-var tty = os.Stdin
+var (
+	tty = os.Stdin
+
+	unlockSignals = []os.Signal{
+		os.Interrupt, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGKILL,
+	}
+)
 
 var (
 	kernel32 = syscall.NewLazyDLL("kernel32.dll")

v3/termutil/term_x.go

@@ -10,7 +10,13 @@ import (
 	"unsafe"
 )
 
-var tty *os.File
+var (
+	tty *os.File
+
+	unlockSignals = []os.Signal{
+		os.Interrupt, syscall.SIGQUIT, syscall.SIGTERM, syscall.SIGKILL,
+	}
+)
 
 type window struct {
 	Row    uint16