commit bash-20120606 snapshot

tests/RUN-ONE-TEST

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

tests/RUN-ONE-TEST~

@@ -0,0 +1,9 @@
+BUILD_DIR=/usr/local/build/chet/bash/bash-current
+THIS_SH=$BUILD_DIR/bash
+PATH=$PATH:$BUILD_DIR
+
+export THIS_SH PATH
+
+rm -f /tmp/xx
+
+/bin/sh "$@"

tests/tilde.right

@@ -19,6 +19,7 @@ abcd:~chet
 /bin:/usr/bin:.:/usr/xyz/bin
 /bin:/usr/bin:.:~/bin
 /bin:/usr/bin:.:~/bin
+\~
 ok 1
 ok 2
 ok 3

tests/tilde.tests

@@ -48,6 +48,8 @@ echo "$PPATH"
 declare -x PPATH="$XPATH:~/bin"
 echo "$PPATH"
 
+printf "%q\n" '~'
+
 # more tests of tilde expansion when executing case commands
 case ~ in
 $HOME)	echo ok 1;;

tests/tilde.tests~

@@ -0,0 +1,69 @@
+# this is needed because posix mode restricts tilde expansion to assignment
+# statements preceding a command, instead of the default of expanding all
+# assignment statements on the line (e.g., after `export').  Without this,
+# the next-to-last test fails
+set +o posix
+
+HOME=/usr/xyz
+SHELL=~/bash
+echo ~ch\et
+echo ~/"foo"
+echo "~chet"/"foo"
+echo \~chet/"foo"
+echo \~chet/bar
+echo ~\chet/bar
+echo ~chet""/bar
+echo ":~chet/"
+echo abcd~chet
+echo "SHELL=~/bash"
+echo $SHELL
+echo abcd:~chet
+path=/usr/ucb:/bin:~/bin:~/tmp/bin:/usr/bin
+echo $path
+
+cd /usr
+cd /tmp
+echo ~-
+echo ~+
+
+XPATH=/bin:/usr/bin:.
+
+# yes tilde expansion
+PPATH=$XPATH:~/bin
+echo "$PPATH"
+
+# no tilde expansion
+PPATH="$XPATH:~/bin"
+echo "$PPATH"
+
+# yes tilde expansion
+export PPATH=$XPATH:~/bin
+echo "$PPATH"
+declare -x PPATH=$XPATH:~/bin
+echo "$PPATH"
+
+# no tilde expansion
+export PPATH="$XPATH:~/bin"
+echo "$PPATH"
+declare -x PPATH="$XPATH:~/bin"
+echo "$PPATH"
+
+# more tests of tilde expansion when executing case commands
+case ~ in
+$HOME)	echo ok 1;;
+*) echo bad 1 ;;
+esac
+
+case ~ in
+~)	echo ok 2 ;;
+\~)	echo bad 2a ;;
+*)	echo bad 2b ;;
+esac
+
+case $unset in
+"")	echo ok 3 ;;
+*)	echo bad 3 ;;
+esac
+
+USER=root		# should exist just about everywhere
+echo ~$USER