From cc357231b343a9ab2b48a737f923e49a2bb721d2 Mon Sep 17 00:00:00 2001
From: Paul Beckingham <paul@beckingham.net>
Date: Tue, 6 Sep 2016 08:15:21 -0400
Subject: [PATCH] TS-29: tasksh hangs trying to read task from stdin

- Thanks to ilove zfs.
---
 AUTHORS      | 1 +
 ChangeLog    | 5 +++--
 src/main.cpp | 7 ++++++-
 3 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/AUTHORS b/AUTHORS
index 1820ae5..d235335 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -8,6 +8,7 @@ The following submitted code, packages or analysis, and deserve special thanks:
 
   Jörg Krause
   Ben Boeckel
+  ilove zfs
 
 Thanks to the following, who submitted detailed bug reports and excellent
 suggestions:
diff --git a/ChangeLog b/ChangeLog
index 82feb02..bf3a024 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,6 +1,7 @@
-1,2,0 () -
+1.2.0 () -
 
-- 
+- TS-29   tasksh hangs trying to read task from stdin
+          (thanks to ilove zfs).
 
 ------ current release ---------------------------
 
diff --git a/src/main.cpp b/src/main.cpp
index 556e7b3..9025a21 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -30,6 +30,7 @@
 #include <string>
 #include <cstring>
 #include <stdlib.h>
+#include <unistd.h>
 #include <shared.h>
 
 #ifdef HAVE_READLINE
@@ -125,6 +126,8 @@ static int commandLoop (bool autoClear)
       // cause the shell to terminate.
     }
   }
+  else
+    status = 1;
 
   return status;
 }
@@ -155,7 +158,9 @@ int main (int argc, const char** argv)
                    output == "yes\n"  ||
                    output == "on\n");
 
-      welcome ();
+      if (isatty (fileno (stdin)))
+        welcome ();
+
       while ((status = commandLoop (autoClear)) == 0)
         ;
     }