commit bash-20150717 snapshot

tests/RUN-ONE-TEST

@@ -1,4 +1,4 @@
-BUILD_DIR=/usr/local/build/bash/bash-current
+BUILD_DIR=/usr/local/build/chet/bash/bash-current
 THIS_SH=$BUILD_DIR/bash
 PATH=$PATH:$BUILD_DIR
 

tests/exec.right

@@ -81,3 +81,19 @@ group pipeline: 1
 EXIT-group.1
 foo 0
 after
+exit code: 1
+exit code: 1
+exit code: 1
+exit code: 127
+exit code: 127
+exit code: 127
+a
+b
+c
+A
+B
+c
+d
+c
+d
+e

tests/exec12.sub

@@ -0,0 +1,17 @@
+: ${TMPDIR:=/var/tmp}
+TMPFILE=$TMPDIR/exitcode
+
+rm -f $TMPFILE
+set -e
+exit_handler() { echo "exit code: $?" ; touch $TMPFILE; }
+false() { ! :; }
+notfound() { nosuchcommand ; }
+syntaxerror() { !:; }
+
+main()
+{(
+    trap exit_handler 0
+    "$@" >> /dev/null 2>&1
+)}
+main "$@"
+echo "after main: should not get here"

tests/execscript

@@ -128,3 +128,30 @@ ${THIS_SH} -c 'VAR=0; VAR=1 command exec; exit ${VAR}'
         echo bad
 ) 2>/dev/null
 [ $? = 127 ] || echo FAIL: bad exit status $? at $LINENO
+
+unset FALSE
+if [ -x /bin/false ]; then
+	FALSE=/bin/false
+elif [ -x /usr/bin/false ]; then
+	FALSE=/usr/bin/false
+else
+	FALSE='command false'
+fi
+
+# problem with undoing redirections before running exit trap through bash-4.3
+
+${THIS_SH} ./exec12.sub false	# function
+${THIS_SH} ./exec12.sub command false
+${THIS_SH} ./exec12.sub $FALSE
+
+${THIS_SH} ./exec12.sub notfound
+${THIS_SH} ./exec12.sub syntaxerror
+${THIS_SH} ./exec12.sub nosuchcommand
+
+# problem with fork optimization in bash-4.4-alpha
+
+$THIS_SH -c 'echo a && /bin/echo b && echo c'
+$THIS_SH -c 'echo A && /bin/echo B'
+
+$THIS_SH -c '/bin/echo c && echo d'
+$THIS_SH -c '/bin/echo c && /bin/echo d && echo e'

tests/histexp.right

@@ -130,3 +130,16 @@ ok 3
 echo shopt a
 shopt a
 echo a b c d 2 > /dev/null
+!
+!
+!
+!
+!
+!
+!
+!
+!
+\!
+\!
+\!
+\!

tests/histexp.tests

@@ -127,3 +127,5 @@ shopt a b c d 2>/dev/null
 echo !shopt-1
 
 echo !shopt*
+
+${THIS_SH} ./histexp1.sub

tests/histexp1.sub

@@ -0,0 +1,23 @@
+LC_ALL=C
+LANG=C
+
+set -o history
+set -H
+
+echo '!'
+echo "!"
+echo !
+
+echo "$( echo '!' )"
+echo "$( echo "!" )"
+echo "$( echo ! )"
+
+echo $( echo '!' )
+echo $( echo "!" )
+echo $( echo ! )
+
+echo "$( echo "\!" )"
+echo "\!"
+
+echo "$( echo '\!' )"
+echo '\!'