Detect when winpty is present and if the current terminal is a TTY

thetrompf · thetrompf · commit cb84d61038c6 · 2017-09-28T19:38:36.000+02:00
diff --git a/bin/yarn b/bin/yarn
@@ -12,7 +12,7 @@ command_exists() {
 }
 
 if command_exists node; then
-  if [ "$YARN_FORCE_WINPTY" = 1 ]; then
+  if [ "$YARN_FORCE_WINPTY" = 1 ] || command_exists winpty.exe && [ -t 1 ]; then
     winpty node "$basedir/yarn.js" "$@"
   else
     exec node "$basedir/yarn.js" "$@"

Original file line number	Diff line number	Diff line change
`@@ -12,7 +12,7 @@ command_exists() {`
`12`	`12`	`}`
`13`	`13`
`14`	`14`	`if command_exists node; then`
`15`		`- if [ "$YARN_FORCE_WINPTY" = 1 ]; then`
	`15`	`+ if [ "$YARN_FORCE_WINPTY" = 1 ] \|\| command_exists winpty.exe && [ -t 1 ]; then`
`16`	`16`	`winpty node "$basedir/yarn.js" "$@"`
`17`	`17`	`else`
`18`	`18`	`exec node "$basedir/yarn.js" "$@"`