From c93024e3674692fb3fd15782e5b6418b0c25bba9 Mon Sep 17 00:00:00 2001
From: dev747368 <48332326+dev747368@users.noreply.github.com>
Date: Tue, 13 Jun 2023 16:30:44 +0000
Subject: [PATCH] GP-3542 Don't try to prompt user for JDK path when no tty
 present

---
 Ghidra/RuntimeScripts/Linux/support/launch.sh | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Ghidra/RuntimeScripts/Linux/support/launch.sh b/Ghidra/RuntimeScripts/Linux/support/launch.sh
index 97bb85470d..0b8b0874d7 100755
--- a/Ghidra/RuntimeScripts/Linux/support/launch.sh
+++ b/Ghidra/RuntimeScripts/Linux/support/launch.sh
@@ -135,6 +135,13 @@ fi
 # Get the JDK that will be used to launch Ghidra
 JAVA_HOME="$(java -cp "${LS_CPATH}" LaunchSupport "${INSTALL_DIR}" ${JAVA_TYPE_ARG} -save)"
 if [ ! $? -eq 0 ]; then
+	# If fd 0 (stdin) isn't a tty, fail because we can't prompt the user
+	if [ ! -t 0 ]; then
+		echo
+		echo "Unable to prompt user for JDK path, no TTY detected.  Please refer to the Ghidra Installation Guide's Troubleshooting section."
+		exit 1
+	fi
+	
 	# No JDK has been setup yet.  Let the user choose one.
 	java -cp "${LS_CPATH}" LaunchSupport "${INSTALL_DIR}" ${JAVA_TYPE_ARG} -ask