Fixed bug #62310: xargs compatibility: --open-tty

doc/release_new_version

@@ -254,31 +254,26 @@ from:tange@gnu.org
 to:parallel@gnu.org, bug-parallel@gnu.org
 stable-bcc: Jesse Alama <jessealama@fastmail.fm>
 
-Subject: GNU Parallel 20220422 ('Буча') released
+Subject: GNU Parallel 20220522 ('Le Pen/Macron<<>>') released [stable]
 
-GNU Parallel 20220422 ('Буча') has been released. It is available for download at: lbry://@GnuParallel:4
+GNU Parallel 20220522 ('<<>>') has been released. It is available for download at: lbry://@GnuParallel:4
+
+<<No new functionality was introduced so this is a good candidate for a stable release.>>
 
 Quote of the month:
 
-  Immensely useful which I am forever grateful that it exists.
+  <<>>
-    -- AlexDragusin@ycombinator
 
 New in this release:
 
-* sash is no longer supported as shell.
+* <<>>
-
-* --retries 0 is an alias for --retries 2147483647.
-
-* --shell-completion returns shell completion code.
-
-* --ssh-login-file reloads every second.
-
-* --parset is replaced with --_parset because it is only used internally.
-
-* sem --pipe passes STDIN (standard input) to the command.
 
 * Bug fixes and man page updates.
 
+News about GNU Parallel:
+
+<<>>
+
 Get the book: GNU Parallel 2018 http://www.lulu.com/shop/ole-tange/gnu-parallel-2018/paperback/product-23558902.html
 
 GNU Parallel - For people who live life in the parallel lane.

src/parallel

@@ -1853,6 +1853,7 @@ sub options_completion_hash() {
 	  "[Use prg for decompressing temporary files]:prg:_commands"
 	  => \$opt::decompress_program),
 	 "compress[Compress temporary files]" => \$opt::compress,
+	 "open-tty|o[Open terminal tty]" => \$opt::open_tty,
 	 "tty[Open terminal tty]" => \$opt::tty,
 	 "T" => \$opt::retired,
 	 "H=i" => \$opt::retired,
@@ -2597,7 +2598,7 @@ sub check_invalid_option_combinations() {
 
 sub init_globals() {
     # Defaults:
-    $Global::version = 20220422;
+    $Global::version = 20220424;
     $Global::progname = 'parallel';
     $::name = "GNU Parallel";
     $Global::infinity = 2**31;
@@ -5552,7 +5553,7 @@ sub die_bug($) {
     print STDERR
 	("$Global::progname: This should not happen. You have found a bug. ",
 	 "Please follow\n",
-	 "https://www.gnu.org/software/parallel/man.html#REPORTING-BUGS\n",
+	 "https://www.gnu.org/software/parallel/man.html#reporting-bugs\n",
 	 "\n",
 	 "Include this in the report:\n",
 	 "* The version number: $Global::version\n",
@@ -10490,7 +10491,7 @@ sub start($) {
 	}
 	$job->set_fh(0,"w",$stdin_fh);
 	if($opt::tee or $opt::shard or $opt::bin) { $job->set_virgin(0); }
-    } elsif($opt::tty and -c "/dev/tty" and
+    } elsif(($opt::tty or $opt::open_tty) and -c "/dev/tty" and
 	    open(my $devtty_fh, "<", "/dev/tty")) {
 	# Give /dev/tty to the command if no one else is using it
 	# The eval is needed to catch exception from open3

src/parallel.pod

@@ -1778,6 +1778,17 @@ there will be several job sequence 1.
 See also: B<--nonall> B<--sshlogin>
 
 
+=item B<--open-tty> (alpha testing)
+
+=item B<-o> (alpha testing)
+
+Open terminal tty.
+
+Similar to B<--tty> but does not set B<--jobs> or B<--ungroup>.
+
+See also: B<--tty>
+
+
 =item B<--output-as-files>
 
 =item B<--outputasfiles>
@@ -3132,7 +3143,7 @@ the jobs (with B<--timeout>, B<--memfree>, or B<--halt>). This is due
 to GNU B<parallel> giving each child its own process group, which is
 then killed. Process groups are dependant on the tty.
 
-See also: B<--ungroup>
+See also: B<--ungroup> B<--open-tty>
 
 
 =item B<--tag>

testsuite/tests-to-run/parallel-local-0.3s.sh

@@ -16,6 +16,12 @@ export -f stdsort
 # Test amount of parallelization
 # parallel --shuf --jl /tmp/myjl -j1 'export JOBS={1};'bash tests-to-run/parallel-local-0.3s.sh ::: {1..16} ::: {1..5}
 
+par_open-tty() {
+    echo '### bug #62310: xargs compatibility: --open-tty'
+    parallel --open-tty ::: tty
+    parallel -o ::: tty
+}
+    
 par_shellcompletion() {
     echo '### --shellcompletion'
     # This will change, if you change options

testsuite/wanted-results/parallel-local-0.3s

@@ -535,6 +535,9 @@ par_no_command_given	parallel: Error: Command line too long (1000002 >= 10) at i
 par_no_joblog_with_dryrun	bug #46016: --joblog should not log when --dryrun
 par_no_joblog_with_dryrun	echo Only_this
 par_no_run_if_empty	### Test --no-run-if-empty and -r: This should give no output
+par_open-tty	### bug #62310: xargs compatibility: --open-tty
+par_open-tty	/dev/tty
+par_open-tty	/dev/tty
 par_opt_gnu	### Test --tollef
 par_opt_gnu	parallel: Error: --tollef has been retired.
 par_opt_gnu	parallel: Error: Remove --tollef or use --gnu to override --tollef.
@@ -950,10 +953,10 @@ par_sem_quote	### sem --quote should not add empty argument
 par_sem_quote	echo
 par_sem_quote	
 par_shellcompletion	### --shellcompletion
-par_shellcompletion	b0347a540d9fd8a81339b79577be4567  -
+par_shellcompletion	920d653deec2b96528d7dcfe396f771f  -
-par_shellcompletion	b0347a540d9fd8a81339b79577be4567  -
+par_shellcompletion	920d653deec2b96528d7dcfe396f771f  -
-par_shellcompletion	5b279fc707895c822a66e84b32b47195  -
+par_shellcompletion	5a53f2595ceeefbf3fb70d0cae4af71c  -
-par_shellcompletion	5b279fc707895c822a66e84b32b47195  -
+par_shellcompletion	5a53f2595ceeefbf3fb70d0cae4af71c  -
 par_slow_pipe_regexp	### bug #53718: --pipe --regexp -N blocks
 par_slow_pipe_regexp	This should take a few ms, but took more than 2 hours
 par_slow_pipe_regexp	      0       1       1
@@ -1068,8 +1071,7 @@ par_testquote	rc	"#&/
 par_testquote	rc	()*=?'
 par_testquote	rzsh	"#&/
 par_testquote	rzsh	()*=?'
-par_testquote	sash	"#&/
+par_testquote	sash -f	parallel: Error: Shell 'sash -f' not found.
-par_testquote	sash	()*=?'
 par_testquote	sh	"#&/
 par_testquote	sh	()*=?'
 par_testquote	static-sh	"#&/