Update to bash-5.1 patchlevel 12
This commit is contained in:
parent
df6273fad2
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49
bash-5.1-patch-10.patch
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49
bash-5.1-patch-10.patch
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@ -0,0 +1,49 @@
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From 910fcdc415abeb3d7d85fb46ee0d3e804a4c47a6 Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Wed, 17 Nov 2021 16:45:23 -0500
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Subject: [PATCH] Bash-5.1 patch 10: fix for wait -n being interrupted by a
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trapped signal
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---
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builtins/wait.def | 5 ++++-
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patchlevel.h | 2 +-
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2 files changed, 5 insertions(+), 2 deletions(-)
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diff --git a/builtins/wait.def b/builtins/wait.def
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index 824c83fe..e70a4d94 100644
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--- a/builtins/wait.def
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+++ b/builtins/wait.def
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@@ -111,7 +111,8 @@ int
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wait_builtin (list)
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WORD_LIST *list;
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{
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- int status, code, opt, nflag, wflags;
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+ int status, code, opt, nflag;
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+ volatile int wflags;
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char *vname;
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SHELL_VAR *pidvar;
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struct procstat pstat;
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@@ -180,6 +181,8 @@ wait_builtin (list)
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last_command_exit_signal = wait_signal_received;
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status = 128 + wait_signal_received;
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wait_sigint_cleanup ();
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+ if (wflags & JWAIT_WAITING)
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+ unset_waitlist ();
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WAIT_RETURN (status);
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}
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diff --git a/patchlevel.h b/patchlevel.h
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index 17586ff7..75246e44 100644
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 9
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+#define PATCHLEVEL 10
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#endif /* _PATCHLEVEL_H_ */
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--
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2.31.1
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79
bash-5.1-patch-11.patch
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79
bash-5.1-patch-11.patch
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@ -0,0 +1,79 @@
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From c839339fbfd2bb7ee4a523b64c7f3734ba36b9bc Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Wed, 17 Nov 2021 16:46:40 -0500
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Subject: [PATCH] Bash-5.1 patch 11: save and restore alias parsing when
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performing compound array assignment
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---
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parse.y | 4 ----
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patchlevel.h | 2 +-
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y.tab.c | 4 ----
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3 files changed, 1 insertion(+), 9 deletions(-)
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diff --git a/parse.y b/parse.y
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index df1231da..f25575b5 100644
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--- a/parse.y
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+++ b/parse.y
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@@ -6493,10 +6493,8 @@ parse_string_to_word_list (s, flags, whom)
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old_expand_aliases = expand_aliases;
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push_stream (1);
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-#if 0 /* TAG: bash-5.2 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> 11/17/2020 */
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if (ea = expanding_alias ())
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parser_save_alias ();
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-#endif
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last_read_token = WORD; /* WORD to allow reserved words here */
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current_command_line_count = 0;
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echo_input_at_read = expand_aliases = 0;
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@@ -6531,10 +6529,8 @@ parse_string_to_word_list (s, flags, whom)
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last_read_token = '\n';
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pop_stream ();
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-#if 0 /* TAG: bash-5.2 */
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if (ea)
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parser_restore_alias ();
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-#endif
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#if defined (HISTORY)
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remember_on_history = old_remember_on_history;
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diff --git a/patchlevel.h b/patchlevel.h
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index 75246e44..8b14f289 100644
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 10
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+#define PATCHLEVEL 11
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#endif /* _PATCHLEVEL_H_ */
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diff --git a/y.tab.c b/y.tab.c
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index dcc5b7f3..c11d7aaa 100644
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--- a/y.tab.c
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+++ b/y.tab.c
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@@ -8787,10 +8787,8 @@ parse_string_to_word_list (s, flags, whom)
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old_expand_aliases = expand_aliases;
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push_stream (1);
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-#if 0 /* TAG: bash-5.2 Alex fxmbsw7 Ratchev <fxmbsw7@gmail.com> 11/17/2020 */
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if (ea = expanding_alias ())
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parser_save_alias ();
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-#endif
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last_read_token = WORD; /* WORD to allow reserved words here */
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current_command_line_count = 0;
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echo_input_at_read = expand_aliases = 0;
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@@ -8825,10 +8823,8 @@ parse_string_to_word_list (s, flags, whom)
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last_read_token = '\n';
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pop_stream ();
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-#if 0 /* TAG: bash-5.2 */
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if (ea)
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parser_restore_alias ();
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-#endif
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#if defined (HISTORY)
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remember_on_history = old_remember_on_history;
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--
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2.31.1
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195
bash-5.1-patch-12.patch
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195
bash-5.1-patch-12.patch
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@ -0,0 +1,195 @@
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From 15409324f1974d41c183904ad575da7188058c1c Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Wed, 17 Nov 2021 16:47:24 -0500
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Subject: [PATCH] Bash-5.1 patch 12: fix race condition with child processes
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and resetting trapped signals
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---
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command.h | 1 +
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execute_cmd.c | 8 +++++++-
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jobs.c | 2 ++
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nojobs.c | 2 ++
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patchlevel.h | 2 +-
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sig.c | 10 +++++++++-
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subst.c | 2 ++
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trap.c | 26 ++++++++++++++++++++++++++
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8 files changed, 50 insertions(+), 3 deletions(-)
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diff --git a/command.h b/command.h
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index 914198f9..b8477528 100644
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--- a/command.h
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+++ b/command.h
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@@ -124,6 +124,7 @@ enum command_type { cm_for, cm_case, cm_while, cm_if, cm_simple, cm_select,
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#define SUBSHELL_PROCSUB 0x20 /* subshell caused by <(command) or >(command) */
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#define SUBSHELL_COPROC 0x40 /* subshell from a coproc pipeline */
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#define SUBSHELL_RESETTRAP 0x80 /* subshell needs to reset trap strings on first call to trap */
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+#define SUBSHELL_IGNTRAP 0x100 /* subshell should reset trapped signals from trap_handler */
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/* A structure which represents a word. */
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typedef struct word_desc {
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diff --git a/execute_cmd.c b/execute_cmd.c
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index 90129e06..425679a2 100644
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--- a/execute_cmd.c
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+++ b/execute_cmd.c
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@@ -1547,6 +1547,9 @@ execute_in_subshell (command, asynchronous, pipe_in, pipe_out, fds_to_close)
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clear_pending_traps ();
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reset_signal_handlers ();
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subshell_environment |= SUBSHELL_RESETTRAP;
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+ /* Note that signal handlers have been reset, so we should no longer
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+ reset the handler and resend trapped signals to ourselves. */
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+ subshell_environment &= ~SUBSHELL_IGNTRAP;
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/* We are in a subshell, so forget that we are running a trap handler or
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that the signal handler has changed (we haven't changed it!) */
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@@ -4320,7 +4323,8 @@ execute_simple_command (simple_command, pipe_in, pipe_out, async, fds_to_close)
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already_forked = 1;
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cmdflags |= CMD_NO_FORK;
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- subshell_environment = SUBSHELL_FORK; /* XXX */
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+ /* We redo some of what make_child() does with SUBSHELL_IGNTRAP */
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+ subshell_environment = SUBSHELL_FORK|SUBSHELL_IGNTRAP; /* XXX */
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if (pipe_in != NO_PIPE || pipe_out != NO_PIPE)
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subshell_environment |= SUBSHELL_PIPE;
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if (async)
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@@ -4574,6 +4578,7 @@ run_builtin:
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trap strings if we run trap to change a signal disposition. */
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reset_signal_handlers ();
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subshell_environment |= SUBSHELL_RESETTRAP;
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+ subshell_environment &= ~SUBSHELL_IGNTRAP;
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if (async)
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{
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@@ -5514,6 +5519,7 @@ execute_disk_command (words, redirects, command_line, pipe_in, pipe_out,
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reset_terminating_signals (); /* XXX */
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/* Cancel traps, in trap.c. */
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restore_original_signals ();
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+ subshell_environment &= ~SUBSHELL_IGNTRAP;
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#if defined (JOB_CONTROL)
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FREE (p);
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diff --git a/jobs.c b/jobs.c
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index a581f305..7c3b6e83 100644
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--- a/jobs.c
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+++ b/jobs.c
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@@ -2217,6 +2217,8 @@ make_child (command, flags)
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signals to the default state for a new process. */
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pid_t mypid;
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+ subshell_environment |= SUBSHELL_IGNTRAP;
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+
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/* If this ends up being changed to modify or use `command' in the
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child process, go back and change callers who free `command' in
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the child process when this returns. */
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diff --git a/nojobs.c b/nojobs.c
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index c5fc83d9..f2563ca0 100644
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--- a/nojobs.c
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+++ b/nojobs.c
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@@ -575,6 +575,8 @@ make_child (command, flags)
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last_asynchronous_pid = getpid ();
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#endif
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+ subshell_environment |= SUBSHELL_IGNTRAP;
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+
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default_tty_job_signals ();
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}
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else
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diff --git a/patchlevel.h b/patchlevel.h
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index 8b14f289..eb2aca52 100644
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 11
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+#define PATCHLEVEL 12
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#endif /* _PATCHLEVEL_H_ */
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diff --git a/sig.c b/sig.c
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index 6964d862..e6537d26 100644
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--- a/sig.c
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+++ b/sig.c
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@@ -55,7 +55,8 @@
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# include "bashhist.h"
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#endif
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-extern void initialize_siglist ();
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+extern void initialize_siglist PARAMS((void));
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+extern void set_original_signal PARAMS((int, SigHandler *));
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#if !defined (JOB_CONTROL)
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extern void initialize_job_signals PARAMS((void));
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@@ -255,6 +256,13 @@ initialize_terminating_signals ()
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sigaction (XSIG (i), &act, &oact);
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XHANDLER(i) = oact.sa_handler;
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XSAFLAGS(i) = oact.sa_flags;
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+
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+#if 0
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+ set_original_signal (XSIG(i), XHANDLER(i)); /* optimization */
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+#else
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+ set_original_signal (XSIG(i), act.sa_handler); /* optimization */
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+#endif
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+
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/* Don't do anything with signals that are ignored at shell entry
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if the shell is not interactive. */
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/* XXX - should we do this for interactive shells, too? */
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diff --git a/subst.c b/subst.c
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index 462752de..327de083 100644
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--- a/subst.c
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+++ b/subst.c
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@@ -5951,6 +5951,7 @@ process_substitute (string, open_for_read_in_child)
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free_pushed_string_input ();
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/* Cancel traps, in trap.c. */
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restore_original_signals (); /* XXX - what about special builtins? bash-4.2 */
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+ subshell_environment &= ~SUBSHELL_IGNTRAP;
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QUIT; /* catch any interrupts we got post-fork */
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setup_async_signals ();
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#if 0
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@@ -6382,6 +6383,7 @@ command_substitute (string, quoted, flags)
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}
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QUIT; /* catch any interrupts we got post-fork */
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subshell_environment |= SUBSHELL_RESETTRAP;
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+ subshell_environment &= ~SUBSHELL_IGNTRAP;
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}
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#if defined (JOB_CONTROL)
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diff --git a/trap.c b/trap.c
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index c7f8ded5..1b27fb3a 100644
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--- a/trap.c
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+++ b/trap.c
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@@ -481,6 +481,32 @@ trap_handler (sig)
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SIGRETURN (0);
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}
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+ /* This means we're in a subshell, but have not yet reset the handler for
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+ trapped signals. We're not supposed to execute the trap in this situation;
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+ we should restore the original signal and resend the signal to ourselves
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+ to preserve the Posix "signal traps that are not being ignored shall be
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+ set to the default action" semantics. */
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+ if ((subshell_environment & SUBSHELL_IGNTRAP) && trap_list[sig] != (char *)IGNORE_SIG)
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+ {
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+ sigset_t mask;
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+
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+ /* Paranoia */
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+ if (original_signals[sig] == IMPOSSIBLE_TRAP_HANDLER)
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+ original_signals[sig] = SIG_DFL;
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+
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+ restore_signal (sig);
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+
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+ /* Make sure we let the signal we just caught through */
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+ sigemptyset (&mask);
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+ sigprocmask (SIG_SETMASK, (sigset_t *)NULL, &mask);
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+ sigdelset (&mask, sig);
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+ sigprocmask (SIG_SETMASK, &mask, (sigset_t *)NULL);
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+
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+ kill (getpid (), sig);
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+
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+ SIGRETURN (0);
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+ }
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+
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if ((sig >= NSIG) ||
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(trap_list[sig] == (char *)DEFAULT_SIG) ||
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(trap_list[sig] == (char *)IGNORE_SIG))
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--
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2.31.1
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50
bash-5.1-patch-9.patch
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50
bash-5.1-patch-9.patch
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@ -0,0 +1,50 @@
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From fed42742e0b33b358610bf62c7474f55e6465205 Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Wed, 17 Nov 2021 16:44:19 -0500
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Subject: [PATCH] Bash-5.1 patch 9: fix bash malloc implementation of
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malloc_usable_size
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---
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lib/malloc/malloc.c | 13 ++++++-------
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patchlevel.h | 2 +-
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2 files changed, 7 insertions(+), 8 deletions(-)
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diff --git a/lib/malloc/malloc.c b/lib/malloc/malloc.c
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index 439f8ef1..92e6efa5 100644
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--- a/lib/malloc/malloc.c
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+++ b/lib/malloc/malloc.c
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@@ -1286,13 +1286,12 @@ malloc_usable_size (mem)
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p = (union mhead *) ap - 1;
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}
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- /* XXX - should we return 0 if ISFREE? */
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- maxbytes = binsize(p->mh_index);
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-
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- /* So the usable size is the maximum number of bytes in the bin less the
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- malloc overhead */
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- maxbytes -= MOVERHEAD + MSLOP;
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- return (maxbytes);
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+ /* return 0 if ISFREE */
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+ if (p->mh_alloc == ISFREE)
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+ return 0;
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+
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+ /* Since we use bounds checking, the usable size is the last requested size. */
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+ return (p->mh_nbytes);
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}
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#if !defined (NO_VALLOC)
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diff --git a/patchlevel.h b/patchlevel.h
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index 10fde2ee..17586ff7 100644
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--- a/patchlevel.h
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+++ b/patchlevel.h
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@@ -25,6 +25,6 @@
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regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
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looks for to find the patch level (for the sccs version string). */
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-#define PATCHLEVEL 8
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+#define PATCHLEVEL 9
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#endif /* _PATCHLEVEL_H_ */
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--
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2.31.1
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|
@ -1,12 +1,12 @@
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#% define beta_tag rc2
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%define patchleveltag .8
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%define patchleveltag .12
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%define baseversion 5.1
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%bcond_without tests
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Version: %{baseversion}%{patchleveltag}
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Name: bash
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Summary: The GNU Bourne Again shell
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Release: 3%{?dist}
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Release: 1%{?dist}
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License: GPLv3+
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Url: https://www.gnu.org/software/bash
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Source0: https://ftp.gnu.org/gnu/bash/bash-%{baseversion}.tar.gz
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@ -20,7 +20,7 @@ Source3: dot-bash_logout
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# Official upstream patches
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# Patches are converted to apply with '-p1'
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%{lua:for i=1,8 do print(string.format("Patch%u: bash-5.1-patch-%u.patch\n", i, i)) end}
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%{lua:for i=1,12 do print(string.format("Patch%u: bash-5.1-patch-%u.patch\n", i, i)) end}
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# Other patches
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# We don't want to add '/etc:/usr/etc' in standard utils path.
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@ -318,6 +318,9 @@ end
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%{_libdir}/pkgconfig/%{name}.pc
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%changelog
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* Fri Nov 26 2021 Siteshwar Vashisht <svashisht@redhat.com> - 5.1.12-1
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- Update to bash-5.1 patchlevel 12
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* Fri Nov 05 2021 Siteshwar Vashisht <svashisht@redhat.com> - 5.1.8-3
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- Add a runtime option to enable history logging to syslog
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Resolves: #2020528
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|
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