Adding upstream version 8.30.upstream/8.30upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 269 insertions, 0 deletions

diff --git a/tests/misc/env-S.pl b/tests/misc/env-S.pl
new file mode 100755
index 0000000..75fc593
--- /dev/null
+++ b/tests/misc/env-S.pl
@@ -0,0 +1,269 @@
+#!/usr/bin/perl
+# Test 'env -S' feature
+
+# Copyright (C) 2018 Free Software Foundation, Inc.
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+use strict;
+
+(my $program_name = $0) =~ s|.*/||;
+my $prog = 'env';
+
+# Turn off localization of executable's output.
+@ENV{qw(LANGUAGE LANG LC_ALL)} = ('C') x 3;
+
+my @Tests =
+    (
+     # Test combination of -S and regular arguments
+     ['1', q[-i    A=B FOO=AR  sh -c 'echo $A$FOO'],      {OUT=>"BAR"}],
+     ['2', q[-i -S'A=B FOO=AR  sh -c "echo \\$A\\$FOO"'], {OUT=>"BAR"}],
+     ['3', q[-i -S'A=B FOO=AR' sh -c 'echo $A$FOO'],      {OUT=>"BAR"}],
+     ['4', q[-i -S'A=B' FOO=AR sh -c 'echo $A$FOO'],      {OUT=>"BAR"}],
+     ['5', q[-S'-i A=B FOO=AR sh -c "echo \\$A\\$FOO"'],  {OUT=>"BAR"}],
+
+     # Test quoting inside -S
+     ['q1', q[-S'-i A="B C" env'],       {OUT=>"A=B C"}],
+     ['q2', q[-S"-i A='B C' env"],       {OUT=>"A=B C"}],
+     ['q3', q[-S"-i A=\"B C\" env"],     {OUT=>"A=B C"}],
+     # Test backslash-quoting inside quoting inside -S
+     ['q4', q[-S'-i A="B \" C" env'],    {OUT=>'A=B " C'}],
+     ['q5', q[-S"-i A='B \\' C' env"],   {OUT=>"A=B ' C"}],
+     # Single-quotes in double-quotes and vice-versa
+     ['q6', q[-S'-i A="B'"'"'C" env'],   {OUT=>"A=B'C"}],
+     ['q7', q[-S"-i A='B\\"C' env"],     {OUT=>'A=B"C'}],
+
+     # Test tab and space (note: tab here is expanded by perl
+     # and sent to the shell as ASCII 0x9 inside single-quotes).
+     ['t1', qq[-S'-i\tA="B \tC" env'],    {OUT=>"A=B \tC"}],
+     # Here '\\t' is not interpolated by perl/shell, passed as two characters
+     # (backslash, 't') to env, resulting in one argument ("A<tab>B").
+     ['t2',  qq[-S'printf x%sx\\n A\\tB'],    {OUT=>"xA\tBx"}],
+     # Here '\t' is interpolated by perl, passed as literal tab (ASCII 0x9)
+     # to env, resulting in two arguments ("A" <whitespace> "B").
+     ['t3',  qq[-S'printf x%sx\\n A\tB'],     {OUT=>"xAx\nxBx"}],
+     ['t4',  qq[-S'printf x%sx\\n A \t B'],   {OUT=>"xAx\nxBx"}],
+
+
+     # Test empty strings
+     ['m1', qq[-i -S""    A=B env],       {OUT=>"A=B"}],
+     ['m2', qq[-i -S"  \t" A=B env],      {OUT=>"A=B"}],
+
+     # Test escape sequences.
+     # note: in the following, there is no interpolation by perl due
+     # to q[], and no interpolation by the shell due to single-quotes.
+     # env will receive the backslash character followed by t/f/r/n/v.
+     # Also: Perl does not recognize "\v", so use "\013" for vertical tab.
+     ['e1', q[-i -S'A="B\tC" env'],    {OUT=>"A=B\tC"}],
+     ['e2', q[-i -S'A="B\fC" env'],    {OUT=>"A=B\fC"}],
+     ['e3', q[-i -S'A="B\rC" env'],    {OUT=>"A=B\rC"}],
+     ['e4', q[-i -S'A="B\nC" env'],    {OUT=>"A=B\nC"}],
+     ['e5', q[-i -S'A="B\vC" env'],    {OUT=>"A=B\013C"}],
+     ['e6', q[-i -S'A="B\$C" env'],    {OUT=>'A=B$C'}],
+     ['e7', q[-i -S'A=B\$C env'],      {OUT=>'A=B$C'}],
+     ['e8', q[-i -S'A="B\#C" env'],    {OUT=>'A=B#C'}],
+     ['e9', q[-i -S'A="B\\\\C" env'],  {OUT=>'A=B\\C'}],
+     ['e10',q[-i -S"A='B\\\\\\\\C' env"],  {OUT=>'A=B\\C'}],
+
+     # Escape in single-quoted string - passed as-is
+     # (the multiple pairs of backslashes are to survive two interpolations:
+     #  by perl and then by the shell due to double-quotes).
+     ['e11',q[-i -S"A='B\\\\tC' env"],    {OUT=>'A=B\tC'}],
+     ['e12',q[-i -S"A='B\\\\#C' env"],    {OUT=>'A=B\#C'}],
+     ['e13',q[-i -S"A='B\\\\\\$C' env"],  {OUT=>'A=B\$C'}],
+     ['e14',q[-i -S"A='B\\\\\\"C' env"],  {OUT=>'A=B\"C'}],
+
+     # Special escape sequences:
+     # \_ in duoble-quotes is a space - result is just one envvar 'A'
+     ['e20', q[-i -S'A="B\_C=D" env'],    {OUT=>'A=B C=D'}],
+     # \_ outside double-quotes is arg separator, the command to
+     # execute should be 'env env'
+     ['e21', q[-i -S'A=B\_env\_env'],    {OUT=>"A=B"}],
+
+     # Test -C inside -S
+     ['c1',  q["-S-C/ pwd"], {OUT=>"/"}],
+     ['c2',  q["-S -C / pwd"], {OUT=>"/"}],
+     ['c3',  q["-S --ch'dir='/ pwd"], {OUT=>"/"}],
+
+     # Test -u inside and outside -S
+     # u1,u2 - establish a baseline, without -S
+     ['u1',  q[      sh -c 'echo =$FOO='], {ENV=>"FOO=BAR"}, {OUT=>"=BAR="}],
+     ['u2',  q[-uFOO sh -c 'echo =$FOO='], {ENV=>"FOO=BAR"}, {OUT=>"=="}],
+     # u3,u4: ${FOO} expanded by env itself before executing sh.
+     #        \\$FOO expanded by sh.
+     # ${FOO} should have value of the original environment
+     # and \\$FOO should be unset, regardlss where -uFOO is used.
+     # 'u3' behavior differs from FreeBSD's but deemed preferable, in
+     # https://lists.gnu.org/r/coreutils/2018-04/msg00014.html
+     ['u3',  q[-uFOO -S'sh -c "echo x${FOO}x =\\$FOO="'],
+      {ENV=>"FOO=BAR"}, {OUT=>"xBARx =="}],
+     ['u4',  q[-S'-uFOO sh -c "echo x${FOO}x =\\$FOO="'],
+      {ENV=>"FOO=BAR"}, {OUT=>"xBARx =="}],
+
+     # Test ENVVAR expansion
+     ['v1', q[-i -S'A=${FOO}     env'], {ENV=>"FOO=BAR"}, {OUT=>"A=BAR"}],
+     ['v2', q[-i -S'A=x${FOO}x   env'], {ENV=>"FOO=BAR"}, {OUT=>"A=xBARx"}],
+     ['v3', q[-i -S'A=x${FOO}x   env'], {ENV=>"FOO="},    {OUT=>"A=xx"}],
+     ['v4', q[-i -S'A=x${FOO}x   env'],                   {OUT=>"A=xx"}],
+     ['v5', q[-i -S'A="x${FOO}x" env'], {ENV=>"FOO=BAR"}, {OUT=>"A=xBARx"}],
+     ['v6', q[-i -S'${FOO}=A     env'], {ENV=>"FOO=BAR"}, {OUT=>"BAR=A"}],
+     # No expansion inside single-quotes
+     ['v7', q[-i -S"A='x\${FOO}x' env"],               {OUT=>'A=x${FOO}x'}],
+     ['v8', q[-i -S'A="${_FOO}" env'],   {ENV=>"_FOO=BAR"}, {OUT=>"A=BAR"}],
+     ['v9', q[-i -S'A="${F_OO}" env'],   {ENV=>"F_OO=BAR"}, {OUT=>"A=BAR"}],
+     ['v10', q[-i -S'A="${FOO1}" env'],  {ENV=>"FOO1=BAR"}, {OUT=>"A=BAR"}],
+
+     # Test end-of-string '#" and '\c'
+     ['d1', q[-i -S'A=B #C=D'    env],  {OUT=>"A=B"}],
+     ['d2', q[-i -S'#A=B C=D'   env],   {OUT=>""}],
+     ['d3', q[-i -S'A=B#'   env],       {OUT=>"A=B#"}],
+     ['d4', q[-i -S'A=B #'   env],      {OUT=>"A=B"}],
+
+     ['d5', q[-i -S'A=B\cC=D'  env],    {OUT=>"A=B"}],
+     ['d6', q[-i -S'\cA=B C=D' env],    {OUT=>""}],
+     ['d7', q[-i -S'A=B\c'     env],    {OUT=>"A=B"}],
+     ['d8', q[-i -S'A=B \c'    env],    {OUT=>"A=B"}],
+
+     ['d10', q[-S'echo FOO #BAR'],      {OUT=>"FOO"}],
+     ['d11', q[-S'echo FOO \\#BAR'],    {OUT=>"FOO #BAR"}],
+     ['d12', q[-S'echo FOO#BAR'],       {OUT=>"FOO#BAR"}],
+
+     # Test underscore as space/separator in double/single/no quotes
+     ['s1',  q[-S'printf x%sx\\n "A\\_B"'],   {OUT=>"xA Bx"}],
+     ['s2',  q[-S"printf x%sx\\n 'A\\_B'"],   {OUT=>"xA\\_Bx"}],
+     ['s3',  q[-S"printf x%sx\\n A\\_B"],     {OUT=>"xAx\nxBx"}],
+     ['s4',  q[-S"printf x%sx\\n A B"],       {OUT=>"xAx\nxBx"}],
+     ['s5',  q[-S"printf x%sx\\n A  B"],      {OUT=>"xAx\nxBx"}],
+     # test underscore/spaces variations -
+     # ensure they don't generate empty arguments.
+     ['s6',  q[-S"\\_printf x%sx\\n FOO"],          {OUT=>"xFOOx"}],
+     ['s7',  q[-S"printf x%sx\\n FOO\\_"],          {OUT=>"xFOOx"}],
+     ['s8',  q[-S"\\_printf x%sx\\n FOO\\_"],       {OUT=>"xFOOx"}],
+     ['s9',  q[-S"\\_\\_printf x%sx\\n FOO\\_\\_"], {OUT=>"xFOOx"}],
+     ['s10', q[-S" printf x%sx\\n FOO"],            {OUT=>"xFOOx"}],
+     ['s11', q[-S"printf x%sx\\n FOO "],            {OUT=>"xFOOx"}],
+     ['s12', q[-S" printf x%sx\\n FOO "],           {OUT=>"xFOOx"}],
+     ['s13', q[-S"  printf x%sx\\n FOO  "],         {OUT=>"xFOOx"}],
+     ['s14', q[-S'printf\\_x%sx\\n\\_FOO'],         {OUT=>"xFOOx"}],
+     ['s15', q[-S"printf x%sx\\n \\_ FOO"],         {OUT=>"xFOOx"}],
+     ['s16', q[-S"printf x%sx\\n\\_ \\_FOO"],       {OUT=>"xFOOx"}],
+     ['s17', q[-S"\\_ \\_  printf x%sx\\n FOO \\_ \\_"], {OUT=>"xFOOx"}],
+
+     # Check for empty quotes
+     ['eq1',  q[-S'printf x%sx\\n A "" B'], {OUT=>"xAx\nxx\nxBx"}],
+     ['eq2',  q[-S'printf x%sx\\n A"" B'],  {OUT=>"xAx\nxBx"}],
+     ['eq3',  q[-S'printf x%sx\\n A""B'],   {OUT=>"xABx"}],
+     ['eq4',  q[-S'printf x%sx\\n A ""B'],  {OUT=>"xAx\nxBx"}],
+     ['eq5',  q[-S'printf x%sx\\n ""'],     {OUT=>"xx"}],
+     ['eq6',  q[-S'printf x%sx\\n "" '],    {OUT=>"xx"}],
+     ['eq10', q[-S"printf x%sx\\n A '' B"], {OUT=>"xAx\nxx\nxBx"}],
+     ['eq11', q[-S"printf x%sx\\n A'' B"],  {OUT=>"xAx\nxBx"}],
+     ['eq12', q[-S"printf x%sx\\n A''B"],   {OUT=>"xABx"}],
+     ['eq13', q[-S"printf x%sx\\n A ''B"],  {OUT=>"xAx\nxBx"}],
+     ['eq14', q[-S'printf x%sx\\n ""'],     {OUT=>"xx"}],
+     ['eq15', q[-S'printf x%sx\\n "" '],    {OUT=>"xx"}],
+
+     # extreme example - such as could be found on a #! line.
+     ['p10', q[-S"\\_ \\_perl\_-w\_-T\_-e\_'print \"hello\n\";'\\_ \\_"],
+      {OUT=>"hello"}],
+
+     # Test Error Conditions
+     ['err1', q[-S'"\\c"'], {EXIT=>125},
+      {ERR=>"$prog: '\\c' must not appear in double-quoted -S string\n"}],
+     ['err2', q[-S'A=B\\'], {EXIT=>125},
+      {ERR=>"$prog: invalid backslash at end of string in -S\n"}],
+     ['err3', q[-S'"A=B\\"'], {EXIT=>125},
+      {ERR=>"$prog: no terminating quote in -S string\n"}],
+     ['err4', q[-S"'A=B\\\\'"], {EXIT=>125},
+      {ERR=>"$prog: no terminating quote in -S string\n"}],
+     ['err5', q[-S'A=B\\q'], {EXIT=>125},
+      {ERR=>"$prog: invalid sequence '\\q' in -S\n"}],
+     ['err6', q[-S'A=$B'], {EXIT=>125},
+      {ERR=>"$prog: only \${VARNAME} expansion is supported, error at: \$B\n"}],
+     ['err7', q[-S'A=${B'], {EXIT=>125},
+      {ERR=>"$prog: only \${VARNAME} expansion is supported, " .
+           "error at: \${B\n"}],
+     ['err8', q[-S'A=${B%B}'], {EXIT=>125},
+      {ERR=>"$prog: only \${VARNAME} expansion is supported, " .
+           "error at: \${B%B}\n"}],
+     ['err9', q[-S'A=${9B}'], {EXIT=>125},
+      {ERR=>"$prog: only \${VARNAME} expansion is supported, " .
+           "error at: \${9B}\n"}],
+
+     # Test incorrect shebang usage (extraneous whitespace).
+     ['err_sp2', q['-v -S cat -n'], {EXIT=>125},
+      {ERR=>"env: invalid option -- ' '\n" .
+            "env: use -[v]S to pass options in shebang lines\n" .
+           "Try 'env --help' for more information.\n"}],
+     ['err_sp3', q['-v	-S cat -n'], {EXIT=>125}, # embedded tab after -v
+      {ERR=>"env: invalid option -- '\t'\n" .
+            "env: use -[v]S to pass options in shebang lines\n" .
+           "Try 'env --help' for more information.\n"}],
+
+     # Also diagnose incorrect shebang usage when failing to exec.
+     # This typically happens with:
+     #
+     #   $ cat xxx
+     #   #!env -v -S cat -n
+     #
+     #   $ ./xxx
+     #
+     # in which case:
+     #   argv[0] = env
+     #   argv[1] = '-v -S cat -n'
+     #   argv[2] = './xxx'
+     ['err_sp5', q['cat -n' ./xxx], {EXIT=>127},
+      {ERR=>"env: 'cat -n': No such file or directory\n" .
+            "env: use -[v]S to pass options in shebang lines\n"}],
+
+     ['err_sp6', q['cat -n' ./xxx arg], {EXIT=>127},
+      {ERR=>"env: 'cat -n': No such file or directory\n" .
+            "env: use -[v]S to pass options in shebang lines\n"}],
+    );
+
+# Append a newline to end of each expected 'OUT' string.
+my $t;
+foreach $t (@Tests)
+  {
+    my $arg1 = $t->[1];
+    my $e;
+    foreach $e (@$t)
+      {
+        $e->{OUT} .= "\n"
+            if ref $e eq 'HASH' and exists $e->{OUT} and length($e->{OUT})>0;
+      }
+  }
+
+# Repeat above tests with "--debug" option (but discard STDERR).
+my @new;
+foreach my $t (@Tests)
+{
+    #skip tests that are expected to fail
+    next if $t->[0] =~ /^err/;
+
+    my @new_t = @$t;
+    my $test_name = shift @new_t;
+    my $args = shift @new_t;
+    push @new, ["$test_name-debug",
+                "--debug " . $args,
+                @new_t,
+                {ERR_SUBST => 's/.*//ms'}];
+}
+push @Tests, @new;
+
+my $save_temps = $ENV{SAVE_TEMPS};
+my $verbose = $ENV{VERBOSE};
+
+my $fail = run_tests ($program_name, $prog, \@Tests, $save_temps, $verbose);
+exit $fail;