33fc6cffab
The content of this branch was automatically imported from Fedora ELN with the following as its source: https://src.fedoraproject.org/rpms/bash#a6e6d286e4a319b6ca72fd4b4457f11f806f25c1
97 lines
3.5 KiB
Diff
97 lines
3.5 KiB
Diff
From ddf3f643cb9b9a2ca8e6d996c605e4332204874c Mon Sep 17 00:00:00 2001
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From: Chet Ramey <chet.ramey@case.edu>
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Date: Fri, 18 Jan 2019 15:13:57 -0500
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Subject: [PATCH] Bash-5.0 patch 2: fix expansion of aliases whose value ends
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with an unquoted tab
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---
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parse.y | 5 ++++-
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parser.h | 1 +
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patchlevel.h | 2 +-
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y.tab.c | 5 ++++-
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4 files changed, 10 insertions(+), 3 deletions(-)
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diff --git a/parse.y b/parse.y
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index 3ff87bcc..07e6e3e4 100644
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--- a/parse.y
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+++ b/parse.y
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@@ -2557,12 +2557,14 @@ next_alias_char:
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if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE &&
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pushed_string_list->flags != PSH_DPAREN &&
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(parser_state & PST_COMMENT) == 0 &&
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+ (parser_state & PST_ENDALIAS) == 0 && /* only once */
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shell_input_line_index > 0 &&
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- shell_input_line[shell_input_line_index-1] != ' ' &&
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+ shellblank (shell_input_line[shell_input_line_index-1]) == 0 &&
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shell_input_line[shell_input_line_index-1] != '\n' &&
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shellmeta (shell_input_line[shell_input_line_index-1]) == 0 &&
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(current_delimiter (dstack) != '\'' && current_delimiter (dstack) != '"'))
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{
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+ parser_state |= PST_ENDALIAS;
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return ' '; /* END_ALIAS */
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}
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#endif
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@@ -2571,6 +2573,7 @@ pop_alias:
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/* This case works for PSH_DPAREN as well */
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if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE)
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{
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+ parser_state &= ~PST_ENDALIAS;
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pop_string ();
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uc = shell_input_line[shell_input_line_index];
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if (uc)
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diff --git a/parser.h b/parser.h
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index 54dd2c88..6d08915d 100644
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--- a/parser.h
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+++ b/parser.h
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@@ -47,6 +47,7 @@
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#define PST_REPARSE 0x040000 /* re-parsing in parse_string_to_word_list */
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#define PST_REDIRLIST 0x080000 /* parsing a list of redirections preceding a simple command name */
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#define PST_COMMENT 0x100000 /* parsing a shell comment; used by aliases */
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+#define PST_ENDALIAS 0x200000 /* just finished expanding and consuming an alias */
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/* Definition of the delimiter stack. Needed by parse.y and bashhist.c. */
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struct dstack {
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diff --git a/patchlevel.h b/patchlevel.h
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index 40db1a32..a988d852 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 1
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+#define PATCHLEVEL 2
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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 1abe2c50..7efce3c8 100644
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--- a/y.tab.c
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+++ b/y.tab.c
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@@ -4873,12 +4873,14 @@ next_alias_char:
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if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE &&
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pushed_string_list->flags != PSH_DPAREN &&
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(parser_state & PST_COMMENT) == 0 &&
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+ (parser_state & PST_ENDALIAS) == 0 && /* only once */
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shell_input_line_index > 0 &&
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- shell_input_line[shell_input_line_index-1] != ' ' &&
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+ shellblank (shell_input_line[shell_input_line_index-1]) == 0 &&
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shell_input_line[shell_input_line_index-1] != '\n' &&
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shellmeta (shell_input_line[shell_input_line_index-1]) == 0 &&
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(current_delimiter (dstack) != '\'' && current_delimiter (dstack) != '"'))
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{
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+ parser_state |= PST_ENDALIAS;
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return ' '; /* END_ALIAS */
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}
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#endif
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@@ -4887,6 +4889,7 @@ pop_alias:
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/* This case works for PSH_DPAREN as well */
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if (uc == 0 && pushed_string_list && pushed_string_list->flags != PSH_SOURCE)
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{
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+ parser_state &= ~PST_ENDALIAS;
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pop_string ();
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uc = shell_input_line[shell_input_line_index];
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if (uc)
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--
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2.17.2
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