- (tim) [regress/agent.sh regress/agent-ptrace.sh] Assign $? to a variable

when used as an error message inside an if statement so we display the
   correct into. agent.sh patch from Petr Lautrbach.

ChangeLog

@@ -4,6 +4,9 @@
  - (djm) [sshd.c] Use kill(0, ...) instead of killpg(0, ...); the
    latter being specified to have undefined behaviour in SUSv3;
    ok dtucker
+ - (tim) [regress/agent.sh regress/agent-ptrace.sh] Assign $? to a variable
+   when used as an error message inside an if statement so we display the
+   correct into. agent.sh patch from Petr Lautrbach.
 
 20140127
  - (dtucker) [Makefile.in] Remove trailing backslash which some make

regress/agent-ptrace.sh

@@ -45,8 +45,9 @@ else
 	gdb ${SSHAGENT} ${SSH_AGENT_PID} > ${OBJ}/gdb.out 2>&1 << EOF
 		quit
 EOF
-	if [ $? -ne 0 ]; then
-		fail "gdb failed: exit code $?"
+	r=$?
+	if [ $r -ne 0 ]; then
+		fail "gdb failed: exit code $r"
 	fi
 	egrep 'ptrace: Operation not permitted.|procfs:.*Permission denied.|ttrace.*Permission denied.|procfs:.*: Invalid argument.|Unable to access task ' >/dev/null ${OBJ}/gdb.out
 	r=$?

regress/agent.sh

@@ -34,40 +34,46 @@ else
 		fi
 	done
 	${SSHADD} -l > /dev/null 2>&1
-	if [ $? -ne 0 ]; then
-		fail "ssh-add -l failed: exit code $?"
+	r=$?
+	if [ $r -ne 0 ]; then
+		fail "ssh-add -l failed: exit code $r"
 	fi
 	# the same for full pubkey output
 	${SSHADD} -L > /dev/null 2>&1
-	if [ $? -ne 0 ]; then
-		fail "ssh-add -L failed: exit code $?"
+	r=$?
+	if [ $r -ne 0 ]; then
+		fail "ssh-add -L failed: exit code $r"
 	fi
 
 	trace "simple connect via agent"
 	for p in 1 2; do
 		${SSH} -$p -F $OBJ/ssh_proxy somehost exit 5$p
-		if [ $? -ne 5$p ]; then
-			fail "ssh connect with protocol $p failed (exit code $?)"
+		r=$?
+		if [ $r -ne 5$p ]; then
+			fail "ssh connect with protocol $p failed (exit code $r)"
 		fi
 	done
 
 	trace "agent forwarding"
 	for p in 1 2; do
 		${SSH} -A -$p -F $OBJ/ssh_proxy somehost ${SSHADD} -l > /dev/null 2>&1
-		if [ $? -ne 0 ]; then
-			fail "ssh-add -l via agent fwd proto $p failed (exit code $?)"
+		r=$?
+		if [ $r -ne 0 ]; then
+			fail "ssh-add -l via agent fwd proto $p failed (exit code $r)"
 		fi
 		${SSH} -A -$p -F $OBJ/ssh_proxy somehost \
 			"${SSH} -$p -F $OBJ/ssh_proxy somehost exit 5$p"
-		if [ $? -ne 5$p ]; then
-			fail "agent fwd proto $p failed (exit code $?)"
+		r=$?
+		if [ $r -ne 5$p ]; then
+			fail "agent fwd proto $p failed (exit code $r)"
 		fi
 	done
 
 	trace "delete all agent keys"
 	${SSHADD} -D > /dev/null 2>&1
-	if [ $? -ne 0 ]; then
-		fail "ssh-add -D failed: exit code $?"
+	r=$?
+	if [ $r -ne 0 ]; then
+		fail "ssh-add -D failed: exit code $r"
 	fi
 
 	trace "kill agent"