From ceccebc579cf336162ac9aecb3ed9ff33cf0127f Mon Sep 17 00:00:00 2001
From: Guillaume Nodet <gnodet@gmail.com>
Date: Tue, 15 Oct 2024 20:09:44 +0200
Subject: [PATCH] Fix ExecPty parsing on some Alpine linux (fixes #1091)

---
 .../java/org/jline/terminal/impl/exec/ExecPty.java  |  3 ++-
 .../org/jline/terminal/impl/exec/ExecPtyTest.java   | 13 +++++++++++++
 2 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/terminal/src/main/java/org/jline/terminal/impl/exec/ExecPty.java b/terminal/src/main/java/org/jline/terminal/impl/exec/ExecPty.java
index 51eed3481..ec34e3192 100644
--- a/terminal/src/main/java/org/jline/terminal/impl/exec/ExecPty.java
+++ b/terminal/src/main/java/org/jline/terminal/impl/exec/ExecPty.java
@@ -30,6 +30,7 @@
 import org.jline.terminal.spi.Pty;
 import org.jline.terminal.spi.SystemStream;
 import org.jline.terminal.spi.TerminalProvider;
+import org.jline.utils.Log;
 import org.jline.utils.OSUtils;
 
 import static org.jline.utils.ExecHelper.exec;
@@ -278,7 +279,7 @@ static int doGetInt(String name, String cfg) throws IOException {
                 return Integer.parseInt(matcher.group(1));
             }
         }
-        throw new IOException("Unable to parse " + name);
+        return 0;
     }
 
     @Override
diff --git a/terminal/src/test/java/org/jline/terminal/impl/exec/ExecPtyTest.java b/terminal/src/test/java/org/jline/terminal/impl/exec/ExecPtyTest.java
index a67165e0b..2e1dd67e3 100644
--- a/terminal/src/test/java/org/jline/terminal/impl/exec/ExecPtyTest.java
+++ b/terminal/src/test/java/org/jline/terminal/impl/exec/ExecPtyTest.java
@@ -112,6 +112,18 @@ public class ExecPtyTest {
             + "-echoctl -echoprt -echoke -flusho -pendin\n"
             + "opost -olcuc onlcr -ocrnl -onocr -onlret -ofill -ofdel -tostop";
 
+    private final String alpineSample = "speed 38400 baud;stty: standard input\n" +
+            " line = 0;\n" +
+            "intr = ^C; quit = ^\\; erase = ^?; kill = ^U; eof = ^D; eol = <undef>;\n" +
+            "eol2 = <undef>; swtch = <undef>; start = ^Q; stop = ^S; susp = ^Z; rprnt = ^R;\n" +
+            "werase = ^W; lnext = ^V; flush = ^O; min = 1; time = 0;\n" +
+            "-parenb -parodd -cmspar cs8 -hupcl -cstopb cread -clocal -crtscts\n" +
+            "-ignbrk -brkint -ignpar -parmrk -inpck -istrip -inlcr -igncr icrnl ixon -ixoff\n" +
+            "-iuclc -ixany -imaxbel -iutf8\n" +
+            "opost -olcuc -ocrnl onlcr -onocr -onlret -ofill -ofdel nl0 cr0 tab0 bs0 vt0 ff0\n" +
+            "isig icanon iexten echo echoe echok -echonl -noflsh -xcase -tostop -echoprt\n" +
+            "echoctl echoke -flusho -extproc";
+
     @Test
     public void testParseSize() throws IOException {
         assertEquals(new Size(244, 85), ExecPty.doGetSize(linuxSttySample));
@@ -121,6 +133,7 @@ public void testParseSize() throws IOException {
         assertEquals(new Size(244, 85), ExecPty.doGetSize(netBsdSttySample));
         assertEquals(new Size(244, 85), ExecPty.doGetSize(freeBsdSttySample));
         assertEquals(new Size(244, 85), ExecPty.doGetSize(hpuxSttySample));
+        assertEquals(new Size(0, 0), ExecPty.doGetSize(alpineSample));
     }
 
     @Test