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Rebase to bash 5.1

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Resolves: #1904866
This commit is contained in:
Siteshwar Vashisht 2021-01-06 10:48:34 +01:00
parent 36c1c16b9e
commit a52a705fbc
26 changed files with 85 additions and 1511 deletions
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1
.gitignore vendored
View File

@ -4,3 +4,4 @@ bash-4.1.tar.gz
/bash-4.3.tar.gz
/bash-4.4.tar.gz
/bash-5.0.tar.gz
/bash-5.1.tar.gz

31
bash-2.05a-interpreter.patch
View File

@ -1,8 +1,8 @@
diff --git a/config.h.in b/config.h.in
index 0adc903..366e639 100644
index ab316d4..11d1d68 100644
--- a/config.h.in
+++ b/config.h.in
@@ -758,6 +758,9 @@
@@ -775,6 +775,9 @@
/* Define if you have the pselect function. */
#undef HAVE_PSELECT
@ -12,7 +12,7 @@ index 0adc903..366e639 100644
/* Define if you have the putenv function. */
#undef HAVE_PUTENV
@@ -956,6 +959,9 @@
@@ -981,6 +984,9 @@
/* Define if you have the <dlfcn.h> header file. */
#undef HAVE_DLFCN_H
@ -23,20 +23,20 @@ index 0adc903..366e639 100644
#undef HAVE_GRP_H
diff --git a/configure.ac b/configure.ac
index 2c74f13..4e9c3a4 100644
index 2fe3e7d..f1b7f1b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -782,7 +782,7 @@ dnl checks for system calls
AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getgroups gethostname \
getpagesize getpeername getrlimit getrusage gettimeofday \
kill killpg lstat pselect readlink select setdtablesize \
- setitimer tcgetpgrp uname ulimit waitpid)
+ setitimer tcgetpgrp uname ulimit waitpid pread)
@@ -827,7 +827,7 @@ dnl checks for system calls
AC_CHECK_FUNCS(dup2 eaccess fcntl getdtablesize getentropy getgroups \
gethostname getpagesize getpeername getrandom getrlimit \
getrusage gettimeofday kill killpg lstat pselect readlink \
- select setdtablesize setitimer tcgetpgrp uname ulimit waitpid)
+ select setdtablesize setitimer tcgetpgrp uname ulimit waitpid pread)
AC_REPLACE_FUNCS(rename)
dnl checks for c library functions
diff --git a/execute_cmd.c b/execute_cmd.c
index 4eae19c..0af6f8f 100644
index d2a0dd7..d2555ad 100644
--- a/execute_cmd.c
+++ b/execute_cmd.c
@@ -41,6 +41,10 @@
@ -50,7 +50,7 @@ index 4eae19c..0af6f8f 100644
#include "posixtime.h"
#if defined (HAVE_SYS_RESOURCE_H) && !defined (RLIMTYPE)
@@ -5706,6 +5710,14 @@ shell_execve (command, args, env)
@@ -5832,6 +5836,14 @@ shell_execve (command, args, env)
{
/* The file has the execute bits set, but the kernel refuses to
run it for some reason. See why. */
@ -65,7 +65,7 @@ index 4eae19c..0af6f8f 100644
#if defined (HAVE_HASH_BANG_EXEC)
READ_SAMPLE_BUF (command, sample, sample_len);
if (sample_len > 0)
@@ -5715,6 +5727,7 @@ shell_execve (command, args, env)
@@ -5841,6 +5853,7 @@ shell_execve (command, args, env)
char *interp;
int ilen;
@ -73,7 +73,7 @@ index 4eae19c..0af6f8f 100644
interp = getinterp (sample, sample_len, (int *)NULL);
ilen = strlen (interp);
errno = i;
@@ -5730,7 +5743,138 @@ shell_execve (command, args, env)
@@ -5856,7 +5869,138 @@ shell_execve (command, args, env)
return (EX_NOEXEC);
}
#endif
@ -213,6 +213,3 @@ index 4eae19c..0af6f8f 100644
file_error (command);
}
return (last_command_exit_value);
--
2.17.2

11
bash-3.2-ssh_source_bash.patch
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@ -1,12 +1,13 @@
diff -up bash-4.0/config-top.h.ssh_source_bash bash-4.0/config-top.h
--- bash-4.0/config-top.h.ssh_source_bash 2009-01-21 15:20:06.000000000 +0100
+++ bash-4.0/config-top.h 2009-01-21 15:25:46.000000000 +0100
@@ -90,7 +90,7 @@
diff --git a/config-top.h b/config-top.h
index e5cc147..f5e0a52 100644
--- a/config-top.h
+++ b/config-top.h
@@ -106,7 +106,7 @@
sshd and source the .bashrc if so (like the rshd behavior). This checks
for the presence of SSH_CLIENT or SSH2_CLIENT in the initial environment,
which can be fooled under certain not-uncommon circumstances. */
-/* #define SSH_SOURCE_BASHRC */
+#define SSH_SOURCE_BASHRC
/* Define if you want the case-capitalizing operators (~[~]) and the
/* Define if you want the case-toggling operators (~[~]) and the
`capcase' variable attribute (declare -c). */

13
bash-4.3-memleak-lc_all.patch
View File

@ -1,12 +1,13 @@
diff -up bash-4.3/locale.c.old bash-4.3/locale.c
--- bash-4.3/locale.c.old 2015-07-15 11:55:00.002857301 +0200
+++ bash-4.3/locale.c 2015-07-15 11:48:36.698086257 +0200
@@ -77,8 +77,6 @@ set_default_locale ()
diff --git a/locale.c b/locale.c
index 17ccc58..a6c07a3 100644
--- a/locale.c
+++ b/locale.c
@@ -78,8 +78,6 @@ set_default_locale ()
{
#if defined (HAVE_SETLOCALE)
default_locale = setlocale (LC_ALL, "");
- if (default_locale)
- default_locale = savestring (default_locale);
#else
default_locale = savestring ("C");
#endif /* HAVE_SETLOCALE */
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);

19
bash-4.3-noecho.patch
View File

@ -1,8 +1,8 @@
diff --git a/parse.y b/parse.y
index 07e6e3e..4cd373f 100644
index df1231d..2449fa8 100644
--- a/parse.y
+++ b/parse.y
@@ -4410,6 +4410,8 @@ xparse_dolparen (base, string, indp, flags)
@@ -4482,6 +4482,8 @@ xparse_dolparen (base, string, indp, flags)
save_parser_state (&ps);
save_input_line_state (&ls);
orig_eof_token = shell_eof_token;
@ -12,18 +12,18 @@ index 07e6e3e..4cd373f 100644
saved_pushed_strings = pushed_string_list; /* separate parsing context */
pushed_string_list = (STRING_SAVER *)NULL;
diff --git a/subst.c b/subst.c
index 9559187..0c2caa6 100644
index 9ccbf33..8a9ee5c 100644
--- a/subst.c
+++ b/subst.c
@@ -9145,6 +9145,7 @@ param_expand (string, sindex, quoted, expanded_something,
WORD_LIST *list;
@@ -9453,6 +9453,7 @@ param_expand (string, sindex, quoted, expanded_something,
WORD_LIST *list, *l;
WORD_DESC *tdesc, *ret;
int tflag;
int tflag, nullarg;
+ int old_echo_input;
/*itrace("param_expand: `%s' pflags = %d", string+*sindex, pflags);*/
zindex = *sindex;
@@ -9514,6 +9515,9 @@ arithsub:
@@ -9843,6 +9844,9 @@ arithsub:
}
comsub:
@ -33,7 +33,7 @@ index 9559187..0c2caa6 100644
if (pflags & PF_NOCOMSUB)
/* we need zindex+1 because string[zindex] == RPAREN */
temp1 = substring (string, *sindex, zindex+1);
@@ -9526,6 +9530,7 @@ comsub:
@@ -9855,6 +9859,7 @@ comsub:
}
FREE (temp);
temp = temp1;
@ -41,6 +41,3 @@ index 9559187..0c2caa6 100644
break;
/* Do POSIX.2d9-style arithmetic substitution. This will probably go
--
2.17.2

150
bash-5.0-patch-1.patch
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@ -1,150 +0,0 @@
From 4d2e315490b778707b3a3afdfc514d5083a97a11 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 18 Jan 2019 15:12:37 -0500
Subject: [PATCH] Bash-5.0 patch 1: fix pathname expansion of directory names
containing backslashes
---
bashline.c | 62 +++++++++++++++++++++++++++++++++++++++++---
lib/glob/glob_loop.c | 6 -----
patchlevel.h | 2 +-
3 files changed, 60 insertions(+), 10 deletions(-)
diff --git a/bashline.c b/bashline.c
index 2846aabf..75e79f1a 100644
--- a/bashline.c
+++ b/bashline.c
@@ -231,6 +231,7 @@ static int bash_possible_variable_completions __P((int, int));
static int bash_complete_command __P((int, int));
static int bash_possible_command_completions __P((int, int));
+static int completion_glob_pattern __P((char *));
static char *glob_complete_word __P((const char *, int));
static int bash_glob_completion_internal __P((int));
static int bash_glob_complete_word __P((int, int));
@@ -1741,7 +1742,7 @@ bash_default_completion (text, start, end, qc, compflags)
/* This could be a globbing pattern, so try to expand it using pathname
expansion. */
- if (!matches && glob_pattern_p (text))
+ if (!matches && completion_glob_pattern ((char *)text))
{
matches = rl_completion_matches (text, glob_complete_word);
/* A glob expression that matches more than one filename is problematic.
@@ -1850,7 +1851,7 @@ command_word_completion_function (hint_text, state)
glob_matches = (char **)NULL;
}
- globpat = glob_pattern_p (hint_text);
+ globpat = completion_glob_pattern ((char *)hint_text);
/* If this is an absolute program name, do not check it against
aliases, reserved words, functions or builtins. We must check
@@ -3713,6 +3714,61 @@ bash_complete_command_internal (what_to_do)
return bash_specific_completion (what_to_do, command_word_completion_function);
}
+static int
+completion_glob_pattern (string)
+ char *string;
+{
+ register int c;
+ char *send;
+ int open;
+
+ DECLARE_MBSTATE;
+
+ open = 0;
+ send = string + strlen (string);
+
+ while (c = *string++)
+ {
+ switch (c)
+ {
+ case '?':
+ case '*':
+ return (1);
+
+ case '[':
+ open++;
+ continue;
+
+ case ']':
+ if (open)
+ return (1);
+ continue;
+
+ case '+':
+ case '@':
+ case '!':
+ if (*string == '(') /*)*/
+ return (1);
+ continue;
+
+ case '\\':
+ if (*string == 0)
+ return (0);
+ }
+
+ /* Advance one fewer byte than an entire multibyte character to
+ account for the auto-increment in the loop above. */
+#ifdef HANDLE_MULTIBYTE
+ string--;
+ ADVANCE_CHAR_P (string, send - string);
+ string++;
+#else
+ ADVANCE_CHAR_P (string, send - string);
+#endif
+ }
+ return (0);
+}
+
static char *globtext;
static char *globorig;
@@ -3877,7 +3933,7 @@ bash_vi_complete (count, key)
t = substring (rl_line_buffer, p, rl_point);
}
- if (t && glob_pattern_p (t) == 0)
+ if (t && completion_glob_pattern (t) == 0)
rl_explicit_arg = 1; /* XXX - force glob_complete_word to append `*' */
FREE (t);
diff --git a/lib/glob/glob_loop.c b/lib/glob/glob_loop.c
index 5f319cc2..7d6ae211 100644
--- a/lib/glob/glob_loop.c
+++ b/lib/glob/glob_loop.c
@@ -54,17 +54,11 @@ INTERNAL_GLOB_PATTERN_P (pattern)
continue;
case L('\\'):
-#if 0
/* Don't let the pattern end in a backslash (GMATCH returns no match
if the pattern ends in a backslash anyway), but otherwise return 1,
since the matching engine uses backslash as an escape character
and it can be removed. */
return (*p != L('\0'));
-#else
- /* The pattern may not end with a backslash. */
- if (*p++ == L('\0'))
- return 0;
-#endif
}
return 0;
diff --git a/patchlevel.h b/patchlevel.h
index 1cd7c96c..40db1a32 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 0
+#define PATCHLEVEL 1
#endif /* _PATCHLEVEL_H_ */
--
2.17.2

116
bash-5.0-patch-10.patch
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@ -1,116 +0,0 @@
From 6a3116f58c876ca58a786f0ddff578ecf126588e Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Thu, 29 Aug 2019 11:20:15 -0400
Subject: [PATCH] Bash-5.0 patch 10: changes to posix-mode assignment
statements preceding functions and special builtins
---
patchlevel.h | 2 +-
tests/varenv.right | 6 +++---
variables.c | 38 ++++++++++++++++++++++++++------------
3 files changed, 30 insertions(+), 16 deletions(-)
diff --git a/patchlevel.h b/patchlevel.h
index 02f1d606..8002af70 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 9
+#define PATCHLEVEL 10
#endif /* _PATCHLEVEL_H_ */
diff --git a/tests/varenv.right b/tests/varenv.right
index 159a8773..ca7d4cf1 100644
--- a/tests/varenv.right
+++ b/tests/varenv.right
@@ -146,9 +146,9 @@ declare -x foo="abc"
inside: declare -x var="value"
outside: declare -- var="one"
inside: declare -x var="value"
-outside: declare -x var="value"
-inside: declare -- var="local"
-outside: declare -x var="global"
+outside: declare -- var="outside"
+inside: declare -x var="global"
+outside: declare -- var="outside"
foo=<unset> environment foo=
foo=foo environment foo=foo
foo=foo environment foo=foo
diff --git a/variables.c b/variables.c
index 610629ab..af3fd04a 100644
--- a/variables.c
+++ b/variables.c
@@ -4460,9 +4460,9 @@ char **tempvar_list;
int tvlist_ind;
/* Take a variable from an assignment statement preceding a posix special
- builtin (including `return') and create a global variable from it. This
- is called from merge_temporary_env, which is only called when in posix
- mode. */
+ builtin (including `return') and create a variable from it as if a
+ standalone assignment statement had been performed. This is called from
+ merge_temporary_env, which is only called when in posix mode. */
static void
push_posix_temp_var (data)
PTR_T data;
@@ -4472,16 +4472,27 @@ push_posix_temp_var (data)
var = (SHELL_VAR *)data;
- binding_table = global_variables->table;
- if (binding_table == 0)
- binding_table = global_variables->table = hash_create (VARIABLES_HASH_BUCKETS);
+ /* Just like do_assignment_internal(). This makes assignments preceding
+ special builtins act like standalone assignment statements when in
+ posix mode, satisfying the posix requirement that this affect the
+ "current execution environment." */
+ v = bind_variable (var->name, value_cell (var), ASS_FORCE|ASS_NOLONGJMP);
- v = bind_variable_internal (var->name, value_cell (var), binding_table, 0, ASS_FORCE|ASS_NOLONGJMP);
+ /* If this modifies an existing local variable, v->context will be non-zero.
+ If it comes back with v->context == 0, we bound at the global context.
+ Set binding_table appropriately. It doesn't matter whether it's correct
+ if the variable is local, only that it's not global_variables->table */
+ binding_table = v->context ? shell_variables->table : global_variables->table;
/* global variables are no longer temporary and don't need propagating. */
- var->attributes &= ~(att_tempvar|att_propagate);
+ if (binding_table == global_variables->table)
+ var->attributes &= ~(att_tempvar|att_propagate);
+
if (v)
- v->attributes |= var->attributes;
+ {
+ v->attributes |= var->attributes;
+ v->attributes &= ~att_tempvar; /* not a temp var now */
+ }
if (find_special_var (var->name) >= 0)
tempvar_list[tvlist_ind++] = savestring (var->name);
@@ -4575,14 +4586,17 @@ dispose_temporary_env (pushf)
sh_free_func_t *pushf;
{
int i;
+ HASH_TABLE *disposer;
tempvar_list = strvec_create (HASH_ENTRIES (temporary_env) + 1);
tempvar_list[tvlist_ind = 0] = 0;
-
- hash_flush (temporary_env, pushf);
- hash_dispose (temporary_env);
+
+ disposer = temporary_env;
temporary_env = (HASH_TABLE *)NULL;
+ hash_flush (disposer, pushf);
+ hash_dispose (disposer);
+
tempvar_list[tvlist_ind] = 0;
array_needs_making = 1;
--
2.21.0

50
bash-5.0-patch-11.patch
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@ -1,50 +0,0 @@
From d894cfd104086ddf68c286e67a5fb2e02eb43b7b Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Thu, 29 Aug 2019 11:21:20 -0400
Subject: [PATCH] Bash-5.0 patch 11: fix quoted null character removal in
operands of conditional ([[) commands
---
patchlevel.h | 2 +-
subst.c | 6 +++++-
2 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/patchlevel.h b/patchlevel.h
index 8002af70..772676c8 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 10
+#define PATCHLEVEL 11
#endif /* _PATCHLEVEL_H_ */
diff --git a/subst.c b/subst.c
index 95591878..fd6db240 100644
--- a/subst.c
+++ b/subst.c
@@ -3625,7 +3625,9 @@ remove_backslashes (string)
this case, we quote the string specially for the globbing code. If
SPECIAL is 2, this is an rhs argument for the =~ operator, and should
be quoted appropriately for regcomp/regexec. The caller is responsible
- for removing the backslashes if the unquoted word is needed later. */
+ for removing the backslashes if the unquoted word is needed later. In
+ any case, since we don't perform word splitting, we need to do quoted
+ null character removal. */
char *
cond_expand_word (w, special)
WORD_DESC *w;
@@ -3646,6 +3648,8 @@ cond_expand_word (w, special)
{
if (special == 0) /* LHS */
{
+ if (l->word)
+ word_list_remove_quoted_nulls (l);
dequote_list (l);
r = string_list (l);
}
--
2.21.0

56
bash-5.0-patch-12.patch
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@ -1,56 +0,0 @@
From b0852fb54efbcee630847fcfdc435133f82043b9 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 7 Feb 2020 15:16:28 -0500
Subject: [PATCH] Bash-5.0 patch 12: fix problems moving back beyond start of
history
---
lib/readline/misc.c | 5 ++++-
patchlevel.h | 2 +-
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/lib/readline/misc.c b/lib/readline/misc.c
index 64b1457d..42005b0c 100644
--- a/lib/readline/misc.c
+++ b/lib/readline/misc.c
@@ -576,6 +576,7 @@ int
rl_get_previous_history (int count, int key)
{
HIST_ENTRY *old_temp, *temp;
+ int had_saved_line;
if (count < 0)
return (rl_get_next_history (-count, key));
@@ -588,6 +589,7 @@ rl_get_previous_history (int count, int key)
_rl_history_saved_point = (rl_point == rl_end) ? -1 : rl_point;
/* If we don't have a line saved, then save this one. */
+ had_saved_line = _rl_saved_line_for_history != 0;
rl_maybe_save_line ();
/* If the current line has changed, save the changes. */
@@ -611,7 +613,8 @@ rl_get_previous_history (int count, int key)
if (temp == 0)
{
- rl_maybe_unsave_line ();
+ if (had_saved_line == 0)
+ _rl_free_saved_history_line ();
rl_ding ();
}
else
diff --git a/patchlevel.h b/patchlevel.h
index 772676c8..93dbe0db 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 11
+#define PATCHLEVEL 12
#endif /* _PATCHLEVEL_H_ */
--
2.25.1

62
bash-5.0-patch-13.patch
View File

@ -1,62 +0,0 @@
From f747f9ff4c8aed2d51fa54db3cb10e8118034753 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 7 Feb 2020 15:17:29 -0500
Subject: [PATCH] Bash-5.0 patch 13: reading history entries with timestamps
can result in joined entries
---
lib/readline/histfile.c | 15 ++++++++++++++-
patchlevel.h | 2 +-
2 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/lib/readline/histfile.c b/lib/readline/histfile.c
index a8a92aa3..6c3adc9b 100644
--- a/lib/readline/histfile.c
+++ b/lib/readline/histfile.c
@@ -369,9 +369,11 @@ read_history_range (const char *filename, int from, int to)
}
has_timestamps = HIST_TIMESTAMP_START (buffer);
- history_multiline_entries += has_timestamps && history_write_timestamps;
+ history_multiline_entries += has_timestamps && history_write_timestamps;
/* Skip lines until we are at FROM. */
+ if (has_timestamps)
+ last_ts = buffer;
for (line_start = line_end = buffer; line_end < bufend && current_line < from; line_end++)
if (*line_end == '\n')
{
@@ -380,7 +382,18 @@ read_history_range (const char *filename, int from, int to)
line. We should check more extensively here... */
if (HIST_TIMESTAMP_START(p) == 0)
current_line++;
+ else
+ last_ts = p;
line_start = p;
+ /* If we are at the last line (current_line == from) but we have
+ timestamps (has_timestamps), then line_start points to the
+ text of the last command, and we need to skip to its end. */
+ if (current_line >= from && has_timestamps)
+ {
+ for (line_end = p; line_end < bufend && *line_end != '\n'; line_end++)
+ ;
+ line_start = (*line_end == '\n') ? line_end + 1 : line_end;
+ }
}
/* If there are lines left to gobble, then gobble them now. */
diff --git a/patchlevel.h b/patchlevel.h
index 93dbe0db..779671cd 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 12
+#define PATCHLEVEL 13
#endif /* _PATCHLEVEL_H_ */
--
2.25.1

44
bash-5.0-patch-14.patch
View File

@ -1,44 +0,0 @@
From 8b6524c482573ea12eb20be756cdb8ca31d945f3 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 7 Feb 2020 15:18:41 -0500
Subject: [PATCH] Bash-5.0 patch 14: edit-and-execute-command does not handle
empty command lines
---
bashline.c | 7 ++-----
patchlevel.h | 2 +-
2 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/bashline.c b/bashline.c
index 824ea9d9..97adaa0f 100644
--- a/bashline.c
+++ b/bashline.c
@@ -961,11 +961,8 @@ edit_and_execute_command (count, c, editing_mode, edit_command)
/* This breaks down when using command-oriented history and are not
finished with the command, so we should not ignore the last command */
using_history ();
- if (rl_line_buffer[0])
- {
- current_command_line_count++; /* for rl_newline above */
- bash_add_history (rl_line_buffer);
- }
+ current_command_line_count++; /* for rl_newline above */
+ bash_add_history (rl_line_buffer);
current_command_line_count = 0; /* for dummy history entry */
bash_add_history ("");
history_lines_this_session++;
diff --git a/patchlevel.h b/patchlevel.h
index 779671cd..09a3cc84 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 13
+#define PATCHLEVEL 14
#endif /* _PATCHLEVEL_H_ */
--
2.25.1

64
bash-5.0-patch-15.patch
View File

@ -1,64 +0,0 @@
From ad1b3e68229273b4983b607c5eeb56551536c583 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 7 Feb 2020 15:19:53 -0500
Subject: [PATCH] Bash-5.0 patch 15: aliases and -c commands can cause
premature termination
---
builtins/evalstring.c | 6 ++++--
patchlevel.h | 2 +-
2 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/builtins/evalstring.c b/builtins/evalstring.c
index cadc9bc0..2f13a66a 100644
--- a/builtins/evalstring.c
+++ b/builtins/evalstring.c
@@ -91,6 +91,7 @@ should_suppress_fork (command)
return (startup_state == 2 && parse_and_execute_level == 1 &&
running_trap == 0 &&
*bash_input.location.string == '\0' &&
+ parser_expanding_alias () == 0 &&
command->type == cm_simple &&
signal_is_trapped (EXIT_TRAP) == 0 &&
signal_is_trapped (ERROR_TRAP) == 0 &&
@@ -105,6 +106,7 @@ can_optimize_connection (command)
COMMAND *command;
{
return (*bash_input.location.string == '\0' &&
+ parser_expanding_alias () == 0 &&
(command->value.Connection->connector == AND_AND || command->value.Connection->connector == OR_OR || command->value.Connection->connector == ';') &&
command->value.Connection->second->type == cm_simple);
}
@@ -290,7 +292,7 @@ parse_and_execute (string, from_file, flags)
with_input_from_string (string, from_file);
clear_shell_input_line ();
- while (*(bash_input.location.string))
+ while (*(bash_input.location.string) || parser_expanding_alias ())
{
command = (COMMAND *)NULL;
@@ -545,7 +547,7 @@ parse_string (string, from_file, flags, endp)
ostring = string;
with_input_from_string (string, from_file);
- while (*(bash_input.location.string))
+ while (*(bash_input.location.string)) /* XXX - parser_expanding_alias () ? */
{
command = (COMMAND *)NULL;
diff --git a/patchlevel.h b/patchlevel.h
index 09a3cc84..6e9ed3fc 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 14
+#define PATCHLEVEL 15
#endif /* _PATCHLEVEL_H_ */
--
2.25.1

53
bash-5.0-patch-16.patch
View File

@ -1,53 +0,0 @@
From 6c6454cb18d7cd30b3b26d5ba6479431e599f3ed Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 7 Feb 2020 15:20:38 -0500
Subject: [PATCH] Bash-5.0 patch 16: bash waits too long to reap /dev/fd
process substitutions with loops and group commands
---
execute_cmd.c | 16 ++++++++++++++++
patchlevel.h | 2 +-
2 files changed, 17 insertions(+), 1 deletion(-)
diff --git a/execute_cmd.c b/execute_cmd.c
index f1d74bfe..3864986d 100644
--- a/execute_cmd.c
+++ b/execute_cmd.c
@@ -1103,6 +1103,22 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
free ((void *)ofifo_list);
discard_unwind_frame ("internal_fifos");
}
+# if defined (HAVE_DEV_FD)
+ /* Reap process substitutions at the end of loops */
+ switch (command->type)
+ {
+ case cm_while:
+ case cm_until:
+ case cm_for:
+ case cm_group:
+# if defined (ARITH_FOR_COMMAND)
+ case cm_arith_for:
+# endif
+ reap_procsubs ();
+ default:
+ break;
+ }
+# endif /* HAVE_DEV_FD */
#endif
/* Invert the return value if we have to */
diff --git a/patchlevel.h b/patchlevel.h
index 6e9ed3fc..9074f4dd 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 15
+#define PATCHLEVEL 16
#endif /* _PATCHLEVEL_H_ */
--
2.25.1

213
bash-5.0-patch-17.patch
View File

@ -1,213 +0,0 @@
From 9e49d343e3cd7e20dad1b86ebfb764e8027596a7 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 24 Apr 2020 11:05:06 -0400
Subject: [PATCH] Bash-5.0 patch 17: better fix for reaping process
substitution file descriptors
---
execute_cmd.c | 26 ++++++--------------------
patchlevel.h | 2 +-
subst.c | 35 +++++++++++++++++++++--------------
subst.h | 5 ++---
4 files changed, 30 insertions(+), 38 deletions(-)
diff --git a/execute_cmd.c b/execute_cmd.c
index 3864986d..4a05758d 100644
--- a/execute_cmd.c
+++ b/execute_cmd.c
@@ -564,7 +564,7 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
volatile int save_line_number;
#if defined (PROCESS_SUBSTITUTION)
volatile int ofifo, nfifo, osize, saved_fifo;
- volatile char *ofifo_list;
+ volatile void *ofifo_list;
#endif
if (breaking || continuing)
@@ -750,12 +750,14 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
reap_procsubs ();
# endif
- if (variable_context != 0) /* XXX - also if sourcelevel != 0? */
+ /* XXX - also if sourcelevel != 0? */
+ if (variable_context != 0)
{
ofifo = num_fifos ();
ofifo_list = copy_fifo_list ((int *)&osize);
begin_unwind_frame ("internal_fifos");
- add_unwind_protect (xfree, ofifo_list);
+ if (ofifo_list)
+ add_unwind_protect (xfree, ofifo_list);
saved_fifo = 1;
}
else
@@ -1099,26 +1101,10 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
{
nfifo = num_fifos ();
if (nfifo > ofifo)
- close_new_fifos ((char *)ofifo_list, osize);
+ close_new_fifos ((void *)ofifo_list, osize);
free ((void *)ofifo_list);
discard_unwind_frame ("internal_fifos");
}
-# if defined (HAVE_DEV_FD)
- /* Reap process substitutions at the end of loops */
- switch (command->type)
- {
- case cm_while:
- case cm_until:
- case cm_for:
- case cm_group:
-# if defined (ARITH_FOR_COMMAND)
- case cm_arith_for:
-# endif
- reap_procsubs ();
- default:
- break;
- }
-# endif /* HAVE_DEV_FD */
#endif
/* Invert the return value if we have to */
diff --git a/patchlevel.h b/patchlevel.h
index 9074f4dd..98e714da 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 16
+#define PATCHLEVEL 17
#endif /* _PATCHLEVEL_H_ */
diff --git a/subst.c b/subst.c
index fd6db240..8884b487 100644
--- a/subst.c
+++ b/subst.c
@@ -5336,13 +5336,13 @@ clear_fifo_list ()
{
}
-char *
+void *
copy_fifo_list (sizep)
int *sizep;
{
if (sizep)
*sizep = 0;
- return (char *)NULL;
+ return (void *)NULL;
}
static void
@@ -5408,8 +5408,13 @@ unlink_fifo_list ()
for (i = j = 0; i < nfifo; i++)
if (fifo_list[i].file)
{
- fifo_list[j].file = fifo_list[i].file;
- fifo_list[j].proc = fifo_list[i].proc;
+ if (i != j)
+ {
+ fifo_list[j].file = fifo_list[i].file;
+ fifo_list[j].proc = fifo_list[i].proc;
+ fifo_list[i].file = (char *)NULL;
+ fifo_list[i].proc = 0;
+ }
j++;
}
nfifo = j;
@@ -5425,10 +5430,11 @@ unlink_fifo_list ()
case it's larger than fifo_list_size (size of fifo_list). */
void
close_new_fifos (list, lsize)
- char *list;
+ void *list;
int lsize;
{
int i;
+ char *plist;
if (list == 0)
{
@@ -5436,8 +5442,8 @@ close_new_fifos (list, lsize)
return;
}
- for (i = 0; i < lsize; i++)
- if (list[i] == 0 && i < fifo_list_size && fifo_list[i].proc != -1)
+ for (plist = (char *)list, i = 0; i < lsize; i++)
+ if (plist[i] == 0 && i < fifo_list_size && fifo_list[i].proc != -1)
unlink_fifo (i);
for (i = lsize; i < fifo_list_size; i++)
@@ -5559,22 +5565,22 @@ clear_fifo_list ()
nfds = 0;
}
-char *
+void *
copy_fifo_list (sizep)
int *sizep;
{
- char *ret;
+ void *ret;
if (nfds == 0 || totfds == 0)
{
if (sizep)
*sizep = 0;
- return (char *)NULL;
+ return (void *)NULL;
}
if (sizep)
*sizep = totfds;
- ret = (char *)xmalloc (totfds * sizeof (pid_t));
+ ret = xmalloc (totfds * sizeof (pid_t));
return (memcpy (ret, dev_fd_list, totfds * sizeof (pid_t)));
}
@@ -5647,10 +5653,11 @@ unlink_fifo_list ()
totfds (size of dev_fd_list). */
void
close_new_fifos (list, lsize)
- char *list;
+ void *list;
int lsize;
{
int i;
+ pid_t *plist;
if (list == 0)
{
@@ -5658,8 +5665,8 @@ close_new_fifos (list, lsize)
return;
}
- for (i = 0; i < lsize; i++)
- if (list[i] == 0 && i < totfds && dev_fd_list[i])
+ for (plist = (pid_t *)list, i = 0; i < lsize; i++)
+ if (plist[i] == 0 && i < totfds && dev_fd_list[i])
unlink_fifo (i);
for (i = lsize; i < totfds; i++)
diff --git a/subst.h b/subst.h
index 34763222..faf831bd 100644
--- a/subst.h
+++ b/subst.h
@@ -273,9 +273,8 @@ extern int num_fifos __P((void));
extern void unlink_fifo_list __P((void));
extern void unlink_fifo __P((int));
-extern char *copy_fifo_list __P((int *));
-extern void unlink_new_fifos __P((char *, int));
-extern void close_new_fifos __P((char *, int));
+extern void *copy_fifo_list __P((int *));
+extern void close_new_fifos __P((void *, int));
extern void clear_fifo_list __P((void));
--
2.25.1

96
bash-5.0-patch-2.patch
View File

@ -1,96 +0,0 @@
From ddf3f643cb9b9a2ca8e6d996c605e4332204874c Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Fri, 18 Jan 2019 15:13:57 -0500
Subject: [PATCH] Bash-5.0 patch 2: fix expansion of aliases whose value ends
with an unquoted tab
---
parse.y | 5 ++++-
parser.h | 1 +
patchlevel.h | 2 +-
y.tab.c | 5 ++++-
4 files changed, 10 insertions(+), 3 deletions(-)
diff --git a/parse.y b/parse.y
index 3ff87bcc..07e6e3e4 100644
--- a/parse.y
+++ b/parse.y
@@ -2557,12 +2557,14 @@ next_alias_char:
if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE &&
pushed_string_list->flags != PSH_DPAREN &&
(parser_state & PST_COMMENT) == 0 &&
+ (parser_state & PST_ENDALIAS) == 0 && /* only once */
shell_input_line_index > 0 &&
- shell_input_line[shell_input_line_index-1] != ' ' &&
+ shellblank (shell_input_line[shell_input_line_index-1]) == 0 &&
shell_input_line[shell_input_line_index-1] != '\n' &&
shellmeta (shell_input_line[shell_input_line_index-1]) == 0 &&
(current_delimiter (dstack) != '\'' && current_delimiter (dstack) != '"'))
{
+ parser_state |= PST_ENDALIAS;
return ' '; /* END_ALIAS */
}
#endif
@@ -2571,6 +2573,7 @@ pop_alias:
/* This case works for PSH_DPAREN as well */
if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE)
{
+ parser_state &= ~PST_ENDALIAS;
pop_string ();
uc = shell_input_line[shell_input_line_index];
if (uc)
diff --git a/parser.h b/parser.h
index 54dd2c88..6d08915d 100644
--- a/parser.h
+++ b/parser.h
@@ -47,6 +47,7 @@
#define PST_REPARSE 0x040000 /* re-parsing in parse_string_to_word_list */
#define PST_REDIRLIST 0x080000 /* parsing a list of redirections preceding a simple command name */
#define PST_COMMENT 0x100000 /* parsing a shell comment; used by aliases */
+#define PST_ENDALIAS 0x200000 /* just finished expanding and consuming an alias */
/* Definition of the delimiter stack. Needed by parse.y and bashhist.c. */
struct dstack {
diff --git a/patchlevel.h b/patchlevel.h
index 40db1a32..a988d852 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 1
+#define PATCHLEVEL 2
#endif /* _PATCHLEVEL_H_ */
diff --git a/y.tab.c b/y.tab.c
index 1abe2c50..7efce3c8 100644
--- a/y.tab.c
+++ b/y.tab.c
@@ -4873,12 +4873,14 @@ next_alias_char:
if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE &&
pushed_string_list->flags != PSH_DPAREN &&
(parser_state & PST_COMMENT) == 0 &&
+ (parser_state & PST_ENDALIAS) == 0 && /* only once */
shell_input_line_index > 0 &&
- shell_input_line[shell_input_line_index-1] != ' ' &&
+ shellblank (shell_input_line[shell_input_line_index-1]) == 0 &&
shell_input_line[shell_input_line_index-1] != '\n' &&
shellmeta (shell_input_line[shell_input_line_index-1]) == 0 &&
(current_delimiter (dstack) != '\'' && current_delimiter (dstack) != '"'))
{
+ parser_state |= PST_ENDALIAS;
return ' '; /* END_ALIAS */
}
#endif
@@ -4887,6 +4889,7 @@ pop_alias:
/* This case works for PSH_DPAREN as well */
if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE)
{
+ parser_state &= ~PST_ENDALIAS;
pop_string ();
uc = shell_input_line[shell_input_line_index];
if (uc)
--
2.17.2

202
bash-5.0-patch-3.patch
View File

@ -1,202 +0,0 @@
From fcf6ae7d069a64741e9484cf219d7fe95de9e796 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Tue, 19 Mar 2019 10:05:39 -0400
Subject: [PATCH] Bash-5.0 patch 3: improvements when globbing directory names
containing backslashes
---
bashline.c | 2 +-
lib/glob/glob.c | 25 +++++++++++++++++++++----
lib/glob/glob.h | 1 +
lib/glob/glob_loop.c | 23 ++++++++++++++++-------
patchlevel.h | 2 +-
pathexp.c | 16 ++++++++++++----
6 files changed, 52 insertions(+), 17 deletions(-)
diff --git a/bashline.c b/bashline.c
index 75e79f1a..824ea9d9 100644
--- a/bashline.c
+++ b/bashline.c
@@ -3752,7 +3752,7 @@ completion_glob_pattern (string)
continue;
case '\\':
- if (*string == 0)
+ if (*string++ == 0)
return (0);
}
diff --git a/lib/glob/glob.c b/lib/glob/glob.c
index 22d90a5c..398253b5 100644
--- a/lib/glob/glob.c
+++ b/lib/glob/glob.c
@@ -1061,7 +1061,7 @@ glob_filename (pathname, flags)
char *directory_name, *filename, *dname, *fn;
unsigned int directory_len;
int free_dirname; /* flag */
- int dflags;
+ int dflags, hasglob;
result = (char **) malloc (sizeof (char *));
result_size = 1;
@@ -1110,9 +1110,12 @@ glob_filename (pathname, flags)
free_dirname = 1;
}
+ hasglob = 0;
/* If directory_name contains globbing characters, then we
- have to expand the previous levels. Just recurse. */
- if (directory_len > 0 && glob_pattern_p (directory_name))
+ have to expand the previous levels. Just recurse.
+ If glob_pattern_p returns != [0,1] we have a pattern that has backslash
+ quotes but no unquoted glob pattern characters. We dequote it below. */
+ if (directory_len > 0 && (hasglob = glob_pattern_p (directory_name)) == 1)
{
char **directories, *d, *p;
register unsigned int i;
@@ -1175,7 +1178,7 @@ glob_filename (pathname, flags)
if (d[directory_len - 1] == '/')
d[directory_len - 1] = '\0';
- directories = glob_filename (d, dflags);
+ directories = glob_filename (d, dflags|GX_RECURSE);
if (free_dirname)
{
@@ -1332,6 +1335,20 @@ only_filename:
free (directory_name);
return (NULL);
}
+ /* If we have a directory name with quoted characters, and we are
+ being called recursively to glob the directory portion of a pathname,
+ we need to dequote the directory name before returning it so the
+ caller can read the directory */
+ if (directory_len > 0 && hasglob == 2 && (flags & GX_RECURSE) != 0)
+ {
+ dequote_pathname (directory_name);
+ directory_len = strlen (directory_name);
+ }
+
+ /* We could check whether or not the dequoted directory_name is a
+ directory and return it here, returning the original directory_name
+ if not, but we don't do that yet. I'm not sure it matters. */
+
/* Handle GX_MARKDIRS here. */
result[0] = (char *) malloc (directory_len + 1);
if (result[0] == NULL)
diff --git a/lib/glob/glob.h b/lib/glob/glob.h
index b9462333..56ac08ba 100644
--- a/lib/glob/glob.h
+++ b/lib/glob/glob.h
@@ -30,6 +30,7 @@
#define GX_NULLDIR 0x100 /* internal -- no directory preceding pattern */
#define GX_ADDCURDIR 0x200 /* internal -- add passed directory name */
#define GX_GLOBSTAR 0x400 /* turn on special handling of ** */
+#define GX_RECURSE 0x800 /* internal -- glob_filename called recursively */
extern int glob_pattern_p __P((const char *));
extern char **glob_vector __P((char *, char *, int));
diff --git a/lib/glob/glob_loop.c b/lib/glob/glob_loop.c
index 7d6ae211..3a4f4f1e 100644
--- a/lib/glob/glob_loop.c
+++ b/lib/glob/glob_loop.c
@@ -26,10 +26,10 @@ INTERNAL_GLOB_PATTERN_P (pattern)
{
register const GCHAR *p;
register GCHAR c;
- int bopen;
+ int bopen, bsquote;
p = pattern;
- bopen = 0;
+ bopen = bsquote = 0;
while ((c = *p++) != L('\0'))
switch (c)
@@ -55,13 +55,22 @@ INTERNAL_GLOB_PATTERN_P (pattern)
case L('\\'):
/* Don't let the pattern end in a backslash (GMATCH returns no match
- if the pattern ends in a backslash anyway), but otherwise return 1,
- since the matching engine uses backslash as an escape character
- and it can be removed. */
- return (*p != L('\0'));
+ if the pattern ends in a backslash anyway), but otherwise note that
+ we have seen this, since the matching engine uses backslash as an
+ escape character and it can be removed. We return 2 later if we
+ have seen only backslash-escaped characters, so interested callers
+ know they can shortcut and just dequote the pathname. */
+ if (*p != L('\0'))
+ {
+ p++;
+ bsquote = 1;
+ continue;
+ }
+ else /* (*p == L('\0')) */
+ return 0;
}
- return 0;
+ return bsquote ? 2 : 0;
}
#undef INTERNAL_GLOB_PATTERN_P
diff --git a/patchlevel.h b/patchlevel.h
index a988d852..e7e960c1 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 2
+#define PATCHLEVEL 3
#endif /* _PATCHLEVEL_H_ */
diff --git a/pathexp.c b/pathexp.c
index b51729a7..c1bf2d89 100644
--- a/pathexp.c
+++ b/pathexp.c
@@ -65,11 +65,11 @@ unquoted_glob_pattern_p (string)
{
register int c;
char *send;
- int open;
+ int open, bsquote;
DECLARE_MBSTATE;
- open = 0;
+ open = bsquote = 0;
send = string + strlen (string);
while (c = *string++)
@@ -100,7 +100,14 @@ unquoted_glob_pattern_p (string)
can be removed by the matching engine, so we have to run it through
globbing. */
case '\\':
- return (*string != 0);
+ if (*string != '\0' && *string != '/')
+ {
+ bsquote = 1;
+ string++;
+ continue;
+ }
+ else if (*string == 0)
+ return (0);
case CTLESC:
if (*string++ == '\0')
@@ -117,7 +124,8 @@ unquoted_glob_pattern_p (string)
ADVANCE_CHAR_P (string, send - string);
#endif
}
- return (0);
+
+ return (bsquote ? 2 : 0);
}
/* Return 1 if C is a character that is `special' in a POSIX ERE and needs to
--
2.17.2

42
bash-5.0-patch-4.patch
View File

@ -1,42 +0,0 @@
From 16c907aa3bb427618733e5a6f2f4e2fc5a3488d3 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Sat, 20 Apr 2019 14:24:28 -0400
Subject: [PATCH] Bash-5.0 patch 4: the wait builtin without arguments only
waits for known children the shell started
---
jobs.c | 4 +---
patchlevel.h | 2 +-
2 files changed, 2 insertions(+), 4 deletions(-)
diff --git a/jobs.c b/jobs.c
index ce2bdf24..ae3c54c6 100644
--- a/jobs.c
+++ b/jobs.c
@@ -2488,10 +2488,8 @@ wait_for_background_pids ()
r = wait_for (last_procsub_child->pid);
wait_procsubs ();
reap_procsubs ();
-#if 1
+#if 0
/* We don't want to wait indefinitely if we have stopped children. */
- /* XXX - should add a loop that goes through the list of process
- substitutions and waits for each proc in turn before this code. */
if (any_stopped == 0)
{
/* Check whether or not we have any unreaped children. */
diff --git a/patchlevel.h b/patchlevel.h
index e7e960c1..c059f0bd 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 3
+#define PATCHLEVEL 4
#endif /* _PATCHLEVEL_H_ */
--
2.17.2

102
bash-5.0-patch-5.patch
View File

@ -1,102 +0,0 @@
From 41f5420db7a911fb0833be693205f4db41f05434 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Sat, 20 Apr 2019 14:25:52 -0400
Subject: [PATCH] Bash-5.0 patch 5: prevent optimizing forks away too
aggressively
---
builtins/evalstring.c | 26 +++++++++++++++++++++++---
command.h | 1 +
execute_cmd.c | 2 ++
patchlevel.h | 2 +-
4 files changed, 27 insertions(+), 4 deletions(-)
diff --git a/builtins/evalstring.c b/builtins/evalstring.c
index 1496eeec..cadc9bc0 100644
--- a/builtins/evalstring.c
+++ b/builtins/evalstring.c
@@ -100,12 +100,22 @@ should_suppress_fork (command)
((command->flags & CMD_INVERT_RETURN) == 0));
}
+int
+can_optimize_connection (command)
+ COMMAND *command;
+{
+ return (*bash_input.location.string == '\0' &&
+ (command->value.Connection->connector == AND_AND || command->value.Connection->connector == OR_OR || command->value.Connection->connector == ';') &&
+ command->value.Connection->second->type == cm_simple);
+}
+
void
optimize_fork (command)
COMMAND *command;
{
if (command->type == cm_connection &&
- (command->value.Connection->connector == AND_AND || command->value.Connection->connector == OR_OR) &&
+ (command->value.Connection->connector == AND_AND || command->value.Connection->connector == OR_OR || command->value.Connection->connector == ';') &&
+ (command->value.Connection->second->flags & CMD_TRY_OPTIMIZING) &&
should_suppress_fork (command->value.Connection->second))
{
command->value.Connection->second->flags |= CMD_NO_FORK;
@@ -412,8 +422,18 @@ parse_and_execute (string, from_file, flags)
command->flags |= CMD_NO_FORK;
command->value.Simple->flags |= CMD_NO_FORK;
}
- else if (command->type == cm_connection)
- optimize_fork (command);
+
+ /* Can't optimize forks out here execept for simple commands.
+ This knows that the parser sets up commands as left-side heavy
+ (&& and || are left-associative) and after the single parse,
+ if we are at the end of the command string, the last in a
+ series of connection commands is
+ command->value.Connection->second. */
+ else if (command->type == cm_connection && can_optimize_connection (command))
+ {
+ command->value.Connection->second->flags |= CMD_TRY_OPTIMIZING;
+ command->value.Connection->second->value.Simple->flags |= CMD_TRY_OPTIMIZING;
+ }
#endif /* ONESHOT */
/* See if this is a candidate for $( <file ). */
diff --git a/command.h b/command.h
index 32495162..b9e9b669 100644
--- a/command.h
+++ b/command.h
@@ -186,6 +186,7 @@ typedef struct element {
#define CMD_COPROC_SUBSHELL 0x1000
#define CMD_LASTPIPE 0x2000
#define CMD_STDPATH 0x4000 /* use standard path for command lookup */
+#define CMD_TRY_OPTIMIZING 0x8000 /* try to optimize this simple command */
/* What a command looks like. */
typedef struct command {
diff --git a/execute_cmd.c b/execute_cmd.c
index 8b3c83aa..f1d74bfe 100644
--- a/execute_cmd.c
+++ b/execute_cmd.c
@@ -2767,6 +2767,8 @@ execute_connection (command, asynchronous, pipe_in, pipe_out, fds_to_close)
((command->value.Connection->connector == OR_OR) &&
(exec_result != EXECUTION_SUCCESS)))
{
+ optimize_fork (command);
+
second = command->value.Connection->second;
if (ignore_return && second)
second->flags |= CMD_IGNORE_RETURN;
diff --git a/patchlevel.h b/patchlevel.h
index c059f0bd..1bc098b8 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 4
+#define PATCHLEVEL 5
#endif /* _PATCHLEVEL_H_ */
--
2.17.2

39
bash-5.0-patch-6.patch
View File

@ -1,39 +0,0 @@
From dfd2cc6ac5558e252af0a7cb829a9629bf782e17 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Sat, 20 Apr 2019 14:27:00 -0400
Subject: [PATCH] Bash-5.0 patch 6: allow building with SYSLOG_HISTORY defined
without defining SYSLOG_SHOPT
---
builtins/shopt.def | 2 +-
patchlevel.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/builtins/shopt.def b/builtins/shopt.def
index f6dc6f97..1c485361 100644
--- a/builtins/shopt.def
+++ b/builtins/shopt.def
@@ -122,7 +122,7 @@ extern int assoc_expand_once;
extern int array_expand_once;
#endif
-#if defined (SYSLOG_HISTORY) && defined (SYSLOG_SHOPT)
+#if defined (SYSLOG_HISTORY)
extern int syslog_history;
#endif
diff --git a/patchlevel.h b/patchlevel.h
index 1bc098b8..14bff9fc 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 5
+#define PATCHLEVEL 6
#endif /* _PATCHLEVEL_H_ */
--
2.17.2

51
bash-5.0-patch-7.patch
View File

@ -1,51 +0,0 @@
From 3ba697465bc74fab513a26dea700cc82e9f4724e Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Sat, 20 Apr 2019 14:27:56 -0400
Subject: [PATCH] Bash-5.0 patch 7: fix exec builtin leaving the terminal in
the wrong process group
---
jobs.c | 12 +++++-------
patchlevel.h | 2 +-
2 files changed, 6 insertions(+), 8 deletions(-)
diff --git a/jobs.c b/jobs.c
index ae3c54c6..6bc31dca 100644
--- a/jobs.c
+++ b/jobs.c
@@ -4837,15 +4837,13 @@ void
end_job_control ()
{
if (job_control)
- {
- terminate_stopped_jobs ();
+ terminate_stopped_jobs ();
- if (original_pgrp >= 0)
- give_terminal_to (original_pgrp, 1);
- }
+ if (original_pgrp >= 0 && terminal_pgrp != original_pgrp)
+ give_terminal_to (original_pgrp, 1);
- if (original_pgrp >= 0)
- setpgid (0, original_pgrp);
+ if (original_pgrp >= 0 && setpgid (0, original_pgrp) == 0)
+ shell_pgrp = original_pgrp;
}
/* Restart job control by closing shell tty and reinitializing. This is
diff --git a/patchlevel.h b/patchlevel.h
index 14bff9fc..deb9c5b7 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 6
+#define PATCHLEVEL 7
#endif /* _PATCHLEVEL_H_ */
--
2.17.2

50
bash-5.0-patch-8.patch
View File

@ -1,50 +0,0 @@
From 01323582f773ef4d08fa26a90e9a21285a8405f5 Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Wed, 14 Aug 2019 14:57:48 -0400
Subject: [PATCH] Bash-5.0 patch 8: fix history offset when HISTSIZE == 0 that
can lead to crashes
---
bashhist.c | 5 ++++-
patchlevel.h | 2 +-
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/bashhist.c b/bashhist.c
index 7912cce3..d2155dce 100644
--- a/bashhist.c
+++ b/bashhist.c
@@ -560,15 +560,18 @@ pre_process_line (line, print_changes, addit)
add that line to the history if ADDIT is non-zero. */
if (!history_expansion_inhibited && history_expansion && history_expansion_p (line))
{
+ int old_len;
+
/* If we are expanding the second or later line of a multi-line
command, decrease history_length so references to history expansions
in these lines refer to the previous history entry and not the
current command. */
+ old_len = history_length;
if (history_length > 0 && command_oriented_history && current_command_first_line_saved && current_command_line_count > 1)
history_length--;
expanded = history_expand (line, &history_value);
if (history_length >= 0 && command_oriented_history && current_command_first_line_saved && current_command_line_count > 1)
- history_length++;
+ history_length = old_len;
if (expanded)
{
diff --git a/patchlevel.h b/patchlevel.h
index deb9c5b7..16c87404 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 7
+#define PATCHLEVEL 8
#endif /* _PATCHLEVEL_H_ */
--
2.21.0

38
bash-5.0-patch-9.patch
View File

@ -1,38 +0,0 @@
From 9f597fd10993313262cab400bf3c46ffb3f6fd1e Mon Sep 17 00:00:00 2001
From: Chet Ramey <chet.ramey@case.edu>
Date: Wed, 14 Aug 2019 14:58:44 -0400
Subject: [PATCH] Bash-5.0 patch 9: fix file descriptor leak with zero-length
history file
---
lib/readline/histfile.c | 1 +
patchlevel.h | 2 +-
2 files changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/readline/histfile.c b/lib/readline/histfile.c
index dc64bde1..a8a92aa3 100644
--- a/lib/readline/histfile.c
+++ b/lib/readline/histfile.c
@@ -305,6 +305,7 @@ read_history_range (const char *filename, int from, int to)
if (file_size == 0)
{
free (input);
+ close (file);
return 0; /* don't waste time if we don't have to */
}
diff --git a/patchlevel.h b/patchlevel.h
index 16c87404..02f1d606 100644
--- a/patchlevel.h
+++ b/patchlevel.h
@@ -25,6 +25,6 @@
regexp `^#define[ ]*PATCHLEVEL', since that's what support/mkversion.sh
looks for to find the patch level (for the sccs version string). */
-#define PATCHLEVEL 8
+#define PATCHLEVEL 9
#endif /* _PATCHLEVEL_H_ */
--
2.21.0

38
bash-requires.patch
View File

@ -11,7 +11,7 @@ index dac95fd..5b7e811 100644
#define BASE_INDENT 4
diff --git a/builtins/mkbuiltins.c b/builtins/mkbuiltins.c
index 4f51201..91c25db 100644
index e243021..0a7a0e5 100644
--- a/builtins/mkbuiltins.c
+++ b/builtins/mkbuiltins.c
@@ -69,10 +69,15 @@ extern char *strcpy ();
@ -89,7 +89,7 @@ index 4f51201..91c25db 100644
static int
rename (from, to)
diff --git a/doc/bash.1 b/doc/bash.1
index d91f1fd..111a66d 100644
index 5af7d42..7539368 100644
--- a/doc/bash.1
+++ b/doc/bash.1
@@ -239,6 +239,14 @@ The shell becomes restricted (see
@ -108,10 +108,10 @@ index d91f1fd..111a66d 100644
Equivalent to \fB\-v\fP.
.TP
diff --git a/doc/bashref.texi b/doc/bashref.texi
index d33cd57..6fc4d18 100644
index 9e23f58..d02151e 100644
--- a/doc/bashref.texi
+++ b/doc/bashref.texi
@@ -6453,6 +6453,13 @@ standard. @xref{Bash POSIX Mode}, for a description of the Bash
@@ -6554,6 +6554,13 @@ standard. @xref{Bash POSIX Mode}, for a description of the Bash
@item --restricted
Make the shell a restricted shell (@pxref{The Restricted Shell}).
@ -126,10 +126,10 @@ index d33cd57..6fc4d18 100644
Equivalent to @option{-v}. Print shell input lines as they're read.
diff --git a/eval.c b/eval.c
index f02d6e4..76c1e8d 100644
index 1d967da..f197033 100644
--- a/eval.c
+++ b/eval.c
@@ -142,7 +142,8 @@ reader_loop ()
@@ -137,7 +137,8 @@ reader_loop ()
if (read_command () == 0)
{
@ -137,13 +137,13 @@ index f02d6e4..76c1e8d 100644
+
+ if (interactive_shell == 0 && (read_but_dont_execute && !rpm_requires))
{
last_command_exit_value = EXECUTION_SUCCESS;
set_exit_status (EXECUTION_SUCCESS);
dispose_command (global_command);
diff --git a/execute_cmd.c b/execute_cmd.c
index 8b3c83a..4eae19c 100644
index d2555ad..397e283 100644
--- a/execute_cmd.c
+++ b/execute_cmd.c
@@ -542,6 +542,8 @@ async_redirect_stdin ()
@@ -543,6 +543,8 @@ async_redirect_stdin ()
#define DESCRIBE_PID(pid) do { if (interactive) describe_pid (pid); } while (0)
@ -151,8 +151,8 @@ index 8b3c83a..4eae19c 100644
+
/* Execute the command passed in COMMAND, perhaps doing it asynchronously.
COMMAND is exactly what read_command () places into GLOBAL_COMMAND.
ASYNCHROUNOUS, if non-zero, says to do this command in the background.
@@ -573,7 +575,13 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
ASYNCHRONOUS, if non-zero, says to do this command in the background.
@@ -574,7 +576,13 @@ execute_command_internal (command, asynchronous, pipe_in, pipe_out,
if (breaking || continuing)
return (last_command_exit_value);
@ -167,7 +167,7 @@ index 8b3c83a..4eae19c 100644
return (EXECUTION_SUCCESS);
QUIT;
@@ -2819,7 +2827,7 @@ execute_for_command (for_command)
@@ -2836,7 +2844,7 @@ execute_for_command (for_command)
save_line_number = line_number;
if (check_identifier (for_command->name, 1) == 0)
{
@ -177,7 +177,7 @@ index 8b3c83a..4eae19c 100644
last_command_exit_value = EX_BADUSAGE;
jump_to_top_level (ERREXIT);
diff --git a/execute_cmd.h b/execute_cmd.h
index dc2f15e..506fff4 100644
index 465030a..9c7fd1c 100644
--- a/execute_cmd.h
+++ b/execute_cmd.h
@@ -22,6 +22,9 @@
@ -191,7 +191,7 @@ index dc2f15e..506fff4 100644
#if defined (ARRAY_VARS)
struct func_array_state
diff --git a/make_cmd.c b/make_cmd.c
index ecbbfd6..3d8bfa4 100644
index 2d7ac96..ac53526 100644
--- a/make_cmd.c
+++ b/make_cmd.c
@@ -35,6 +35,8 @@
@ -264,10 +264,10 @@ index ecbbfd6..3d8bfa4 100644
return (command);
}
diff --git a/shell.c b/shell.c
index a2b2a55..c5d99b3 100644
index ce8087f..7dcd000 100644
--- a/shell.c
+++ b/shell.c
@@ -193,6 +193,9 @@ int have_devfd = 0;
@@ -194,6 +194,9 @@ int have_devfd = 0;
/* The name of the .(shell)rc file. */
static char *bashrc_file = DEFAULT_BASHRC;
@ -277,7 +277,7 @@ index a2b2a55..c5d99b3 100644
/* Non-zero means to act more like the Bourne shell on startup. */
static int act_like_sh;
@@ -259,6 +262,7 @@ static const struct {
@@ -260,6 +263,7 @@ static const struct {
{ "protected", Int, &protected_mode, (char **)0x0 },
#endif
{ "rcfile", Charp, (int *)0x0, &bashrc_file },
@ -285,7 +285,7 @@ index a2b2a55..c5d99b3 100644
#if defined (RESTRICTED_SHELL)
{ "restricted", Int, &restricted, (char **)0x0 },
#endif
@@ -496,6 +500,12 @@ main (argc, argv, env)
@@ -502,6 +506,12 @@ main (argc, argv, env)
if (dump_translatable_strings)
read_but_dont_execute = 1;
@ -299,7 +299,7 @@ index a2b2a55..c5d99b3 100644
disable_priv_mode ();
diff --git a/shell.h b/shell.h
index 8072605..6c4149d 100644
index 8b41792..29b0efb 100644
--- a/shell.h
+++ b/shell.h
@@ -99,6 +99,7 @@ extern int interactive, interactive_shell;

17
bash-tty-tests.patch
View File

@ -1,5 +1,5 @@
diff --git a/tests/exec.right b/tests/exec.right
index 6075cc8..0b3f02c 100644
index 0a249dd..fe8a127 100644
--- a/tests/exec.right
+++ b/tests/exec.right
@@ -51,7 +51,6 @@ this is ohio-state
@ -11,7 +11,7 @@ index 6075cc8..0b3f02c 100644
1
1
diff --git a/tests/execscript b/tests/execscript
index c1819de..9227a4a 100644
index 2809676..1216828 100644
--- a/tests/execscript
+++ b/tests/execscript
@@ -108,8 +108,6 @@ ${THIS_SH} ./exec6.sub
@ -24,7 +24,7 @@ index c1819de..9227a4a 100644
${THIS_SH} ./exec10.sub
diff --git a/tests/read.right b/tests/read.right
index 73cb704..a92fe7f 100644
index 1144083..09cd422 100644
--- a/tests/read.right
+++ b/tests/read.right
@@ -33,14 +33,6 @@ a = abcdefg
@ -35,18 +35,18 @@ index 73cb704..a92fe7f 100644
-
-timeout 2: ok
-
-./read2.sub: line 23: read: -3: invalid timeout specification
-./read2.sub: line 36: read: -3: invalid timeout specification
-1
-
-abcde
./read3.sub: line 4: read: -1: invalid number
./read3.sub: line 17: read: -1: invalid number
abc
ab
diff --git a/tests/read.tests b/tests/read.tests
index f67cd00..083f4a4 100644
index 7384f05..43fcf8d 100644
--- a/tests/read.tests
+++ b/tests/read.tests
@@ -82,9 +82,6 @@ echo " foo" | { IFS=$':' ; read line; recho "$line"; }
@@ -95,9 +95,6 @@ echo " foo" | { IFS=$':' ; read line; recho "$line"; }
# test read -d delim behavior
${THIS_SH} ./read1.sub
@ -56,6 +56,3 @@ index f67cd00..083f4a4 100644
# test read -n nchars behavior
${THIS_SH} ./read3.sub
--
2.17.2

36
bash.spec
View File

@ -1,12 +1,12 @@
#% define beta_tag rc2
%define patchleveltag .17
%define baseversion 5.0
%define patchleveltag .0
%define baseversion 5.1
%bcond_without tests
Version: %{baseversion}%{patchleveltag}
Name: bash
Summary: The GNU Bourne Again shell
Release: 3%{?dist}
Release: 1%{?dist}
License: GPLv3+
Url: https://www.gnu.org/software/bash
Source0: https://ftp.gnu.org/gnu/bash/bash-%{baseversion}.tar.gz
@ -20,7 +20,6 @@ Source3: dot-bash_logout
# Official upstream patches
# Patches are converted to apply with '-p1'
%{lua:for i=1,17 do print(string.format("Patch%u: bash-5.0-patch-%u.patch\n", i, i)) end}
# Other patches
# We don't want to add '/etc:/usr/etc' in standard utils path.
@ -44,20 +43,20 @@ Patch109: bash-requires.patch
Patch110: bash-setlocale.patch
# Disable tty tests while doing bash builds
Patch111: bash-tty-tests.patch
# 484809, check if interp section is NOBITS
Patch116: bash-4.0-nobits.patch
# Do the same CFLAGS in generated Makefile in examples
Patch117: bash-4.1-examples.patch
# Builtins like echo and printf won't report errors
# when output does not succeed due to EPIPE
Patch118: bash-4.1-broken_pipe.patch
# # Enable system-wide .bash_logout for login shells
Patch119: bash-4.2-rc2-logout.patch
#
# Static analyzis shows some issues in bash-2.05a-interpreter.patch
Patch120: bash-4.2-coverity.patch
@ -68,17 +67,17 @@ Patch122: bash-4.2-manpage_trap.patch
# https://www.securecoding.cert.org/confluence/display/seccode/INT32-C.+Ensure+that+operations+on+signed+integers+do+not+result+in+overflow
# This patch should be upstreamed.
Patch123: bash-4.2-size_type.patch
#
# 1112710 - mention ulimit -c and -f POSIX block size
# This patch should be upstreamed.
Patch124: bash-4.3-man-ulimit.patch
#
# 1102815 - fix double echoes in vi visual mode
Patch125: bash-4.3-noecho.patch
#
# #1241533,1224855 - bash leaks memory when LC_ALL set
#1241533,1224855 - bash leaks memory when LC_ALL set
Patch126: bash-4.3-memleak-lc_all.patch
#
# bash-4.4 builds loadable builtin examples by default
# this patch disables it
Patch127: bash-4.4-no-loadable-builtins.patch
@ -130,7 +129,12 @@ autoconf
# Recycles pids is neccessary. When bash's last fork's pid was X
# and new fork's pid is also X, bash has to wait for this same pid.
# Without Recycles pids bash will not wait.
make "CPPFLAGS=-D_GNU_SOURCE -DRECYCLES_PIDS -DDEFAULT_PATH_VALUE='\"/usr/local/bin:/usr/bin\"' `getconf LFS_CFLAGS`" %{?_smp_mflags}
MFLAGS="CPPFLAGS=-D_GNU_SOURCE -DRECYCLES_PIDS -DDEFAULT_PATH_VALUE='\"/usr/local/bin:/usr/bin\"' `getconf LFS_CFLAGS`"
# work around missing deps in Makefiles
make "$MFLAGS" version.h
make "$MFLAGS" %{?_smp_mflags} -C builtins
make "$MFLAGS" %{?_smp_mflags}
%install
if [ -e autoconf ]; then
@ -309,6 +313,10 @@ end
%{_libdir}/pkgconfig/%{name}.pc
%changelog
* Wed Jan 6 10:40:25 CET 2021 Siteshwar Vashisht <svashisht@redhat.com> - 5.1.0-1
- Rebase to bash 5.1
Resolves: #1904866
* Fri Dec 4 14:44:06 CET 2020 Siteshwar Vashisht <svashisht@redhat.com> - 5.0.17-3
- Enable sourcing files from ~/.bashrc.d
Resolves: #1726397

2
sources
View File

@ -1 +1 @@
SHA512 (bash-5.0.tar.gz) = bb4519f06e278f271d08722b531e49d2e842cc3e0b02a6b3eee422e2efcb5b6226111af43f5e5eae56beb85ac8bfebcd6a4aacbabb8f609e529aa4d571890864
SHA512 (bash-5.1.tar.gz) = c44a0ce381469219548a3a27589af3fea4f22eda1ca4e9434b59fc16da81b471c29ce18e31590e0860a6a251a664b68c2b45e3a17d22cfc02799ffd9a208390c