shell: tweak getopts tests, no code changes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

shell/ash_test/ash-getopts/getopt_test_libc_bug.tests

@@ -1,6 +1,6 @@
 # This test can fail with libc with buggy getopt() implementation.
 # If getopt() wants to parse multi-option args (-abc),
-# it needs to remember a position withit current arg.
+# it needs to remember a position within current arg.
 #
 # If this position is kept as a POINTER, not an offset,
 # and if argv[] ADDRESSES (not contents!) change, it blows up.
@@ -24,7 +24,7 @@ VAR111=NEWVAL; getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$
 VAR222=NEWVAL; getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
 VAR333=NEWVAL; getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
 
-# Sligntly different attempts to force reallocations
+# Slightly different attempts to force reallocations
 
 echo
 echo "*** optstring:'ac' args:-a -b -c -d e"

shell/hush_test/hush-getopts/getopt_optarg.tests

@@ -1,3 +1,5 @@
+(
+
 set -- -q -w e -r -t -y
 echo "*** no OPTIND, optstring:'w:et' args:$*"
 var=QWERTY
@@ -16,3 +18,7 @@ while getopts "w:et" var; do
 	OPTARG=ASDFGH
 done
 echo "exited: var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+
+) 2>&1 \
+| sed	-e 's/ unrecognized option: / invalid option -- /' \
+	-e 's/ illegal option -- / invalid option -- /' \

shell/hush_test/hush-getopts/getopt_positional.tests

@@ -1,3 +1,5 @@
+(
+
 set -- -q -w -e r -t -y
 echo "*** no OPTIND, optstring:'we' args:$*"
 var=QWERTY
@@ -5,3 +7,7 @@ while getopts "we" var; do
 	echo "var:'$var' OPTIND:$OPTIND"
 done
 echo "exited: var:'$var' OPTIND:$OPTIND"
+
+) 2>&1 \
+| sed	-e 's/ unrecognized option: / invalid option -- /' \
+	-e 's/ illegal option -- / invalid option -- /' \

shell/hush_test/hush-getopts/getopt_silent.tests

@@ -11,6 +11,8 @@
 # and OPTARG shall be set to the option character found.
 # """
 
+(
+
 echo "*** optstring:':ac' args:-a -b -c"
 getopts ":ac" var -a -b -c; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
 getopts ":ac" var -a -b -c; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
@@ -21,3 +23,7 @@ getopts ":ac" var -a -b -c; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPT
 # Nevertheless, let's verify that calling it yet another time doesn't do
 # anything weird:
 getopts ":ac" var -a -b -c; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
+
+) 2>&1 \
+| sed	-e 's/ unrecognized option: / invalid option -- /' \
+	-e 's/ illegal option -- / invalid option -- /' \

shell/hush_test/hush-getopts/getopt_simple.tests

@@ -10,6 +10,8 @@
 # We check that loop does not stop on unknown option (sets "?"),
 # stops on _first_ non-option argument.
 
+(
+
 echo "*** no OPTIND, optstring:'ab' args:-a -b c"
 var=QWERTY
 while getopts "ab" var -a -b c; do
@@ -73,3 +75,7 @@ while getopts "ab" var -a -c -b d; do
 	echo "var:'$var' OPTIND:$OPTIND"
 done
 echo "exited: rc:$? var:'$var' OPTIND:$OPTIND"
+
+) 2>&1 \
+| sed	-e 's/ unrecognized option: / invalid option -- /' \
+	-e 's/ illegal option -- / invalid option -- /' \

shell/hush_test/hush-getopts/getopt_test_libc_bug.tests

@@ -1,10 +1,12 @@
 # This test can fail with libc with buggy getopt() implementation.
 # If getopt() wants to parse multi-option args (-abc),
-# it needs to remember a position withit current arg.
+# it needs to remember a position within current arg.
 #
 # If this position is kept as a POINTER, not an offset,
 # and if argv[] ADDRESSES (not contents!) change, it blows up.
 
+(
+
 echo "*** optstring:'ac' args:-a -b -c -d e"
 getopts "ac" var -a -b -c -d e; echo "1 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
 getopts "ac" var -a -b -c -d e; echo "2 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
@@ -24,7 +26,7 @@ VAR111=NEWVAL; getopts "ac" var -a -b -c -d e; echo "3 rc:$? var:'$var' OPTIND:$
 VAR222=NEWVAL; getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
 VAR333=NEWVAL; getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
 
-# Sligntly different attempts to force reallocations
+# Slightly different attempts to force reallocations
 
 echo
 echo "*** optstring:'ac' args:-a -b -c -d e"
@@ -36,3 +38,7 @@ export VAR222; getopts "ac" var -a -b -c -d e; echo "4 rc:$? var:'$var' OPTIND:$
 export VAR333; getopts "ac" var -a -b -c -d e; echo "5 rc:$? var:'$var' OPTIND:$OPTIND OPTARG:'$OPTARG'"
 
 # All copies of code above should generate identical output
+
+) 2>&1 \
+| sed	-e 's/ unrecognized option: / invalid option -- /' \
+	-e 's/ illegal option -- / invalid option -- /' \