zsh: add candidate upstream patch for bg/fg issue with shell functions

Bump PKGREVISION.

3 files changed, 74 insertions, 3 deletions

diff --git a/shells/zsh/Makefile b/shells/zsh/Makefile
index 0010d4fa67f..d7aee0b23b1 100644
--- a/shells/zsh/Makefile
+++ b/shells/zsh/Makefile
@@ -1,7 +1,7 @@
-# $NetBSD: Makefile,v 1.104 2022/07/01 23:31:49 rin Exp $
+# $NetBSD: Makefile,v 1.105 2022/11/06 20:58:00 wiz Exp $
 
 DISTNAME=	zsh-5.9
-PKGREVISION=	1
+PKGREVISION=	2
 CATEGORIES=	shells
 MASTER_SITES=	${MASTER_SITE_SOURCEFORGE:=zsh/}
 EXTRACT_SUFX=	.tar.xz
diff --git a/shells/zsh/distinfo b/shells/zsh/distinfo
index badf6923765..d1342a1cebb 100644
--- a/shells/zsh/distinfo
+++ b/shells/zsh/distinfo
@@ -1,4 +1,4 @@
-$NetBSD: distinfo,v 1.78 2022/07/01 23:31:49 rin Exp $
+$NetBSD: distinfo,v 1.79 2022/11/06 20:58:00 wiz Exp $
 
 BLAKE2s (zsh-5.9.tar.xz) = 1ab2ab9dd0debc176bdefd661b62e102153c26f591e35916ccc7527c337d0530
 SHA512 (zsh-5.9.tar.xz) = d9138b7f379ad942a5f46819d2dd52d31f3a1129f2a0d1b53d4c5cd43c318b60396da6d37c57c477b8e958fb750209aca0ae93f8c9dd42ac958de006a0ff067e
@@ -6,4 +6,5 @@ Size (zsh-5.9.tar.xz) = 3332400 bytes
 SHA1 (patch-Completion_BSD_Command___bsd__pkg) = fe0d9cc399fe185ce71a64431e4086ed07920cb8
 SHA1 (patch-Completion_Unix_Command___gpg) = 8eba031838b1cfb0bfadf0fa539e760fd1cb539c
 SHA1 (patch-Config_installfns.sh) = ef0b250a0121c0e4925022e02553aefa23e6cc8d
+SHA1 (patch-Src_jobs.c) = d4be7424283f22a5ce26ba6aebfe51f105c033ce
 SHA1 (patch-configure) = 1b757f0ba6611a206f2e9c4d3de5c11fc629a364
diff --git a/shells/zsh/patches/patch-Src_jobs.c b/shells/zsh/patches/patch-Src_jobs.c
new file mode 100644
index 00000000000..e77fef1961b
--- /dev/null
+++ b/shells/zsh/patches/patch-Src_jobs.c
@@ -0,0 +1,70 @@
+$NetBSD: patch-Src_jobs.c,v 1.1 2022/11/06 20:58:00 wiz Exp $
+
+Candidate fix for shell function pipeline bg/fg issue, from
+https://zsh.org/mla/workers/2022/msg01204.html
+
+--- Src/jobs.c.orig	2022-05-08 06:18:22.000000000 +0000
++++ Src/jobs.c
+@@ -544,16 +544,14 @@ update_job(Job jn)
+ 
+     if (isset(MONITOR)) {
+ 	pid_t pgrp = gettygrp();           /* get process group of tty      */
++	int deadpgrp = (mypgrp != pgrp && inforeground && pgrp > 1 &&
++			kill(-pgrp, 0) == -1 && errno == ESRCH);
+ 
+ 	/* is this job in the foreground of an interactive shell? */
+ 	if (mypgrp != pgrp && inforeground &&
+-	    (jn->gleader == pgrp ||
+-	     (pgrp > 1 &&
+-	      (kill(-pgrp, 0) == -1 && errno == ESRCH)))) {
++	    ((jn->gleader == pgrp && signalled) || deadpgrp)) {
+ 	    if (list_pipe) {
+-		if (somestopped || (pgrp > 1 &&
+-				    kill(-pgrp, 0) == -1 &&
+-				    errno == ESRCH)) {
++		if (somestopped || deadpgrp) {
+ 		    attachtty(mypgrp);
+ 		    /* check window size and adjust if necessary */
+ 		    adjustwinsize(0);
+@@ -566,6 +564,12 @@ update_job(Job jn)
+ 		     * when the job is finally deleted.
+ 		     */
+ 		    jn->stat |= STAT_ATTACH;
++		    /*
++		     * If we're in shell jobs on the right side of a pipeline
++		     * we should treat it like a job in the current shell.
++		     */
++		    if (inforeground == 2)
++			inforeground = 1;
+ 		}
+ 		/* If we have `foo|while true; (( x++ )); done', and hit
+ 		 * ^C, we have to stop the loop, too. */
+@@ -1488,10 +1492,7 @@ addproc(pid_t pid, char *text, int aux, 
+ 	 * set it for that, too.
+ 	 */
+ 	if (gleader != -1) {
+-	    if (jobtab[thisjob].stat & STAT_CURSH)
+-		jobtab[thisjob].gleader = gleader;
+-	    else
+-		jobtab[thisjob].gleader = pid;
++	    jobtab[thisjob].gleader = gleader;
+ 	    if (list_pipe_job_used != -1)
+ 		jobtab[list_pipe_job_used].gleader = gleader;
+ 	    /*
+@@ -1500,7 +1501,7 @@ addproc(pid_t pid, char *text, int aux, 
+ 	     */
+ 	    last_attached_pgrp = gleader;
+ 	} else if (!jobtab[thisjob].gleader)
+-		jobtab[thisjob].gleader = pid;
++	    jobtab[thisjob].gleader = pid;
+ 	/* attach this process to end of process list of current job */
+ 	pnlist = &jobtab[thisjob].procs;
+     }
+@@ -2488,6 +2489,7 @@ bin_fg(char *name, char **argv, Options 
+ 		jobtab[job].stat &= ~STAT_CURSH;
+ 	    }
+ 	    if ((stopped = (jobtab[job].stat & STAT_STOPPED))) {
++		/* WIFCONTINUED will makerunning() again at killjb() */
+ 		makerunning(jobtab + job);
+ 		if (func == BIN_BG) {
+ 		    /* Set $! to indicate this was backgrounded */