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bash-5.0-beta release

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This commit is contained in:
Chet Ramey
2018-09-17 15:10:56 -04:00
parent 9a51695bed
commit 2f5dfe5a18
144 changed files with 27560 additions and 36005 deletions
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execute_cmd.c
+19 -9
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@@ -1522,6 +1522,11 @@ execute_in_subshell (command, asynchronous, pipe_in, pipe_out, fds_to_close)
/* Subshells are neither login nor interactive. */
login_shell = interactive = 0;
/* And we're no longer in a loop. See Posix interp 842 (we are not in the
"same execution environment"). */
if (shell_compatibility_level > 44)
loop_level = 0;
if (user_subshell)
{
subshell_environment = SUBSHELL_PAREN; /* XXX */
@@ -1556,13 +1561,13 @@ execute_in_subshell (command, asynchronous, pipe_in, pipe_out, fds_to_close)
setup_async_signals ();
asynchronous = 0;
}
else
set_sigint_handler ();
#if defined (JOB_CONTROL)
set_sigchld_handler ();
#endif /* JOB_CONTROL */
set_sigint_handler ();
/* Delete all traces that there were any jobs running. This is
only for subshells. */
without_job_control ();
@@ -1672,6 +1677,7 @@ execute_in_subshell (command, asynchronous, pipe_in, pipe_out, fds_to_close)
return_code = (return_code == EXECUTION_SUCCESS) ? EXECUTION_FAILURE
: EXECUTION_SUCCESS;
/* If we were explicitly placed in a subshell with (), we need
to do the `shell cleanup' things, such as running traps[0]. */
if (user_subshell && signal_is_trapped (0))
@@ -2432,7 +2438,7 @@ static void
lastpipe_cleanup (s)
int s;
{
unfreeze_jobs_list ();
set_jobs_list_frozen (s);
}
static int
@@ -2442,7 +2448,7 @@ execute_pipeline (command, asynchronous, pipe_in, pipe_out, fds_to_close)
struct fd_bitmap *fds_to_close;
{
int prev, fildes[2], new_bitmap_size, dummyfd, ignore_return, exec_result;
int lstdin, lastpipe_flag, lastpipe_jid;
int lstdin, lastpipe_flag, lastpipe_jid, old_frozen;
COMMAND *cmd;
struct fd_bitmap *fd_bitmap;
pid_t lastpid;
@@ -2557,9 +2563,9 @@ execute_pipeline (command, asynchronous, pipe_in, pipe_out, fds_to_close)
prev = NO_PIPE;
add_unwind_protect (restore_stdin, lstdin);
lastpipe_flag = 1;
freeze_jobs_list ();
old_frozen = freeze_jobs_list ();
lastpipe_jid = stop_pipeline (0, (COMMAND *)NULL); /* XXX */
add_unwind_protect (lastpipe_cleanup, lastpipe_jid);
add_unwind_protect (lastpipe_cleanup, old_frozen);
}
if (cmd)
cmd->flags |= CMD_LASTPIPE;
@@ -2605,9 +2611,9 @@ execute_pipeline (command, asynchronous, pipe_in, pipe_out, fds_to_close)
else if (pipefail_opt)
exec_result = exec_result | lstdin; /* XXX */
/* otherwise we use exec_result */
#endif
unfreeze_jobs_list ();
set_jobs_list_frozen (old_frozen);
}
discard_unwind_frame ("lastpipe-exec");
@@ -4062,9 +4068,13 @@ fix_assignment_words (words)
/* If we have an assignment builtin that does not create local variables,
make sure we create global variables even if we internally call
`declare'. The CHKLOCAL flag means to set attributes or values on
an existing local variable */
an existing local variable, if there is one. */
if (b && ((b->flags & (ASSIGNMENT_BUILTIN|LOCALVAR_BUILTIN)) == ASSIGNMENT_BUILTIN))
w->word->flags |= W_ASSNGLOBAL|W_CHKLOCAL;
#if 0
else if (b && (b->flags & ASSIGNMENT_BUILTIN) && (b->flags & LOCALVAR_BUILTIN))
w->word->flags |= W_CHKLOCAL;
#endif
}
#if defined (ARRAY_VARS)
/* Note that we saw an associative array option to a builtin that takes