From 8bbd117c6f2c60ee43591c806431d5d78489daa3f2709d382c7270811e50b126 Mon Sep 17 00:00:00 2001
From: "Dr. Werner Fink" <werner@suse.com>
Date: Mon, 16 Aug 2010 13:51:35 +0000
Subject: [PATCH] .

OBS-URL: https://build.opensuse.org/package/show/Base:System/bash?expand=0&rev=50
---
 bash-4.1-pipe.dif | 110 +++++++++++++++++++++++++++++++++++++++++++---
 bash.changes      |   6 +++
 2 files changed, 110 insertions(+), 6 deletions(-)

diff --git a/bash-4.1-pipe.dif b/bash-4.1-pipe.dif
index 3adc211..f8006f9 100644
--- a/bash-4.1-pipe.dif
+++ b/bash-4.1-pipe.dif
@@ -1,6 +1,15 @@
 --- execute_cmd.c
-+++ execute_cmd.c	2010-06-24 09:18:46.858925084 +0200
-@@ -1525,7 +1525,7 @@ static struct cpelement *cpl_search __P(
++++ execute_cmd.c	2010-08-16 15:40:41.975126155 +0200
+@@ -256,6 +256,8 @@ int match_ignore_case = 0;
+ 
+ struct stat SB;		/* used for debugging */
+ 
++extern void addjstatus(COMMAND *, int);
++
+ static int special_builtin_failed;
+ 
+ static COMMAND *currently_executing_command;
+@@ -1525,7 +1527,7 @@ static struct cpelement *cpl_search __P(
  static struct cpelement *cpl_searchbyname __P((char *));
  static void cpl_prune __P((void));
  
@@ -9,7 +18,7 @@
  
  cplist_t coproc_list = {0, 0, 0};
  
-@@ -2047,13 +2047,19 @@ execute_coproc (command, pipe_in, pipe_o
+@@ -2047,13 +2049,19 @@ execute_coproc (command, pipe_in, pipe_o
  }
  #endif
  
@@ -30,14 +39,16 @@
    COMMAND *cmd;
    struct fd_bitmap *fd_bitmap;
  
-@@ -2148,11 +2154,37 @@ execute_pipeline (command, asynchronous,
+@@ -2148,15 +2156,52 @@ execute_pipeline (command, asynchronous,
    /* Now execute the rightmost command in the pipeline.  */
    if (ignore_return && cmd)
      cmd->flags |= CMD_IGNORE_RETURN;
 +
 +  begin_unwind_frame ("pipe-file-descriptors");
 +  lstdin = -1;
-+  if (!asynchronous && pipe_out == NO_PIPE && prev > 0)
++#if 1
++  if (!asynchronous && pipe_out == NO_PIPE && prev > 0
++      && cmd->type != cm_subshell && ((cmd->flags & CMD_WANT_SUBSHELL) == 0))
 +    {
 +      lstdin = move_to_high_fd(0, 0, 255);
 +      if (lstdin > 0)
@@ -45,10 +56,13 @@
 +	  dup2(prev, 0);
 +	  close(prev);
 +	  prev = NO_PIPE;
-+	  stop_pipeline (0, (COMMAND *)NULL);
++	  cmd->flags |= CMD_SYNC_PIPE;
++	  add_process((char*)0, getpid());
++	  stop_pipeline (0, cmd);
 +	  add_unwind_protect (restore_stdin, lstdin);
 +	}
 +    }
++#endif
 +  if (prev >= 0)
 +    add_unwind_protect (close, prev);
 +
@@ -68,3 +82,87 @@
  #if defined (JOB_CONTROL)
    UNBLOCK_CHILD (oset);
  #endif
+ 
++  if (cmd->flags & CMD_SYNC_PIPE)
++    {
++      addjstatus(cmd, exec_result);
++      cmd->flags &= ~CMD_SYNC_PIPE;
++    }
++
+   QUIT;
+   return (exec_result);
+ }
+--- jobs.c
++++ jobs.c	2010-08-16 15:48:19.479125702 +0200
+@@ -260,7 +260,6 @@ static int processes_in_job __P((int));
+ static void realloc_jobs_list __P((void));
+ static int compact_jobs_list __P((int));
+ static int discard_pipeline __P((PROCESS *));
+-static void add_process __P((char *, pid_t));
+ static void print_pipeline __P((PROCESS *, int, int, FILE *));
+ static void pretty_print_job __P((int, int, FILE *));
+ static void set_current_job __P((int));
+@@ -1065,7 +1064,7 @@ nohup_job (job_index)
+   if (js.j_jobslots == 0)
+     return;
+ 
+-  if (temp = jobs[job_index])
++  if ((temp = jobs[job_index]))
+     temp->flags |= J_NOHUP;
+ }
+ 
+@@ -1095,7 +1094,7 @@ discard_pipeline (chain)
+ /* Add this process to the chain being built in the_pipeline.
+    NAME is the command string that will be exec'ed later.
+    PID is the process id of the child. */
+-static void
++void
+ add_process (name, pid)
+      char *name;
+      pid_t pid;
+@@ -3396,6 +3395,34 @@ setjstatus (j)
+ #endif
+ }
+ 
++
++void
++addjstatus(COMMAND *deferred, int status)
++{
++#if defined (ARRAY_VARS)
++  int i;
++  JOB *j;
++  for (j = jobs[(i = 0)]; j && j->deferred != deferred; j = jobs[(++i)])
++    ;
++  if (!j || !j->deferred)
++    return;
++  j->deferred = (COMMAND*)0;
++  if (status)
++    {
++      PROCESS *p, *l;
++      p = j->pipe;
++      do
++	{
++	  l = p;
++	  p = p->next;
++	}
++      while (p != j->pipe);
++      l->status = status << 8;
++    }
++  setjstatus(i);
++#endif
++}
++
+ void
+ run_sigchld_trap (nchild)
+      int nchild;
+--- jobs.h
++++ jobs.h	2010-08-16 15:47:22.463125472 +0200
+@@ -177,6 +177,8 @@ extern void save_pipeline __P((int));
+ extern void restore_pipeline __P((int));
+ extern void start_pipeline __P((void));
+ extern int stop_pipeline __P((int, COMMAND *));
++extern void add_process __P((char *, pid_t));
++extern void addjstatus __P((COMMAND *, int));
+ 
+ extern void delete_job __P((int, int));
+ extern void nohup_job __P((int));
diff --git a/bash.changes b/bash.changes
index cbf2740..d46970e 100644
--- a/bash.changes
+++ b/bash.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon Aug 16 15:50:43 CEST 2010 - werner@suse.de
+
+- A modified version of the pipe patch which should handle
+  the PIPESTATUS array
+
 -------------------------------------------------------------------
 Fri Aug 13 14:19:02 CEST 2010 - werner@suse.de