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-rw-r--r--debian/patches/bash50-002.diff88
1 files changed, 88 insertions, 0 deletions
diff --git a/debian/patches/bash50-002.diff b/debian/patches/bash50-002.diff
new file mode 100644
index 0000000..6da7452
--- /dev/null
+++ b/debian/patches/bash50-002.diff
@@ -0,0 +1,88 @@
+ BASH PATCH REPORT
+ =================
+
+Bash-Release: 5.0
+Patch-ID: bash50-002
+
+Bug-Reported-by: Ante Peric <synthmeat@gmail.com>
+Bug-Reference-ID: <B7E3B567-2467-4F7B-B6B9-CA4E75A9C93F@gmail.com>
+Bug-Reference-URL: http://lists.gnu.org/archive/html/bug-bash/2019-01/msg00095.html
+
+Bug-Description:
+
+When an alias value ends with an unquoted literal tab (not part of a quoted
+string or comment), alias expansion cannot correctly detect the end of the
+alias value after expanding it.
+
+--- 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)
+--- 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 {
+--- 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_ */
+--- 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)