nixpkgs/pkgs/shells/bash/cygwin-bash-4.3.33-1.src.patch

--- bashline.c	2015-02-06 17:12:55.823275600 -0700
+++ bashline.c	2015-02-06 17:14:11.000103800 -0700
@@ -71,6 +71,16 @@
 #  include "pcomplete.h"
 #endif
 
+#if __CYGWIN__
+#  ifdef __x86_64__
+#    define IMP(x) __imp_##x
+#  else
+#    define IMP(x) _imp__##x
+#  endif
+#else
+#  define IMP(x) x
+#endif
+
 /* These should agree with the defines for emacs_mode and vi_mode in
    rldefs.h, even though that's not a public readline header file. */
 #ifndef EMACS_EDITING_MODE
@@ -264,6 +274,11 @@ int no_empty_command_completion;
    are the only possible matches, even if FIGNORE says to. */
 int force_fignore = 1;
 
+#if __CYGWIN__
+/* If set, shorten "foo.exe" to "foo" when they are the same file.  */
+int completion_strip_exe;
+#endif /* __CYGWIN__ */
+
 /* Perform spelling correction on directory names during word completion */
 int dircomplete_spelling = 0;
 
@@ -491,11 +506,12 @@ initialize_readline ()
   kseq[0] = CTRL('J');
   kseq[1] = '\0';
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  if (func == rl_vi_editing_mode)
+  extern rl_command_func_t *IMP(rl_vi_editing_mode);
+  if (func == rl_vi_editing_mode || func == IMP(rl_vi_editing_mode))
     rl_unbind_key_in_map (CTRL('J'), emacs_meta_keymap);
   kseq[0] = CTRL('M');
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  if (func == rl_vi_editing_mode)
+  if (func == rl_vi_editing_mode || func == IMP(rl_vi_editing_mode))
     rl_unbind_key_in_map (CTRL('M'), emacs_meta_keymap);
 #if defined (VI_MODE)
   rl_unbind_key_in_map (CTRL('E'), vi_movement_keymap);
@@ -514,7 +530,8 @@ initialize_readline ()
   kseq[0] = '~';
   kseq[1] = '\0';
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  if (func == 0 || func == rl_tilde_expand)
+  extern rl_command_func_t *IMP(rl_tilde_expand);
+  if (func == 0 || func == rl_tilde_expand || func == IMP(rl_tilde_expand))
     rl_bind_keyseq_in_map (kseq, bash_complete_username, emacs_meta_keymap);
 
   rl_bind_key_if_unbound_in_map ('~', bash_possible_username_completions, emacs_ctlx_keymap);
@@ -537,7 +554,8 @@ initialize_readline ()
   kseq[0] = TAB;
   kseq[1] = '\0';
   func = rl_function_of_keyseq (kseq, emacs_meta_keymap, (int *)NULL);
-  if (func == 0 || func == rl_tab_insert)
+  extern rl_command_func_t *IMP(rl_tab_insert);
+  if (func == 0 || func == rl_tab_insert || func == IMP(rl_tab_insert))
     rl_bind_key_in_map (TAB, dynamic_complete_history, emacs_meta_keymap);
 
   /* Tell the completer that we want a crack first. */
@@ -2109,6 +2127,21 @@ globword:
 
       if (match && executable_completion ((searching_path ? val : cval), searching_path))
 	{
+#if __CYGWIN__
+          if (completion_strip_exe)
+            {
+              size_t val_len = strlen (val);
+              char *candidate;
+              if (val_len > 4 && !strcasecmp (&val[val_len - 4], ".exe")
+                  && (candidate = strdup (val)))
+                {
+                  candidate[val_len - 4] = '\0';
+                  if (same_file (val, candidate, NULL, NULL))
+                    temp[strlen (temp) - 4] = '\0';
+                  free (candidate);
+                }
+            }
+#endif
 	  if (cval != val)
 	    free (cval);
 	  free (val);
@@ -2844,6 +2877,17 @@ test_for_directory (name)
   int r;
 
   fn = bash_tilde_expand (name, 0);
+#if __CYGWIN__
+  /* stat("//server") can only be successful as a directory, but takes
+     a several-second timeout to fail.  It is much faster to assume
+     that //server is a valid name than it is to wait for the stat,
+     even though it gives false positives on bad names.  */
+  if (fn[0] == '/' && fn[1] == '/' && ! strchr (&fn[2], '/'))
+    {
+      free (fn);
+      return 1;
+    }
+#endif /* __CYGWIN__ */
   r = file_isdir (fn);
   free (fn);
 
--- builtins/evalstring.c	2015-02-06 17:12:55.682776800 -0700
+++ builtins/evalstring.c	2015-02-06 17:14:11.015662800 -0700
@@ -195,7 +195,7 @@ parse_and_execute (string, from_file, fl
   int code, lreset;
   volatile int should_jump_to_top_level, last_result;
   COMMAND *volatile command;
-  volatile sigset_t pe_sigmask;
+  sigset_t pe_sigmask;
 
   parse_prologue (string, flags, PE_TAG);
 
@@ -451,7 +451,7 @@ parse_string (string, from_file, flags,
   volatile int should_jump_to_top_level;
   COMMAND *volatile command, *oglobal;
   char *ostring;
-  volatile sigset_t ps_sigmask;
+  sigset_t ps_sigmask;
 
   parse_prologue (string, flags, PS_TAG);
 
--- builtins/set.def	2013-04-19 05:20:34.000000000 -0600
+++ builtins/set.def	2015-02-06 17:14:11.015662800 -0700
@@ -56,6 +56,13 @@ extern int dont_save_function_defs;
 #if defined (READLINE)
 extern int no_line_editing;
 #endif /* READLINE */
+#if __CYGWIN__
+extern int igncr;
+static int set_minus_o_option_maybe (int, const char *, int);
+#  define INTERACTIVE_ONLY ,1
+#else /* ! __CYGWIN__ */
+#  define INTERACTIVE_ONLY
+#endif
 
 $BUILTIN set
 $FUNCTION set_builtin
@@ -92,6 +99,9 @@ Options:
 #if defined (HISTORY)
           history      enable command history
 #endif
+#if __CYGWIN__
+          igncr        on cygwin, ignore \r in line endings
+#endif
           ignoreeof    the shell will not exit upon reading EOF
           interactive-comments
                        allow comments to appear in interactive commands
@@ -188,29 +198,41 @@ const struct {
   int *variable;
   setopt_set_func_t *set_func;
   setopt_get_func_t *get_func;
+#if __CYGWIN__
+  /* Cygwin users have taken to exporting SHELLOPTS for the
+     cygwin-specific igncr.  As a result, we need to make sure
+     SHELLOPTS parsing does not turn on interactive options when
+     exported from an interactive shell, but parsed in a
+     non-interactive setting, since some interactive options violate
+     POSIX /bin/sh rules.  */
+  int interactive_only;
+#endif /* __CYGWIN__ */
 } o_options[] = {
   { "allexport",  'a', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL },
 #if defined (BRACE_EXPANSION)
   { "braceexpand",'B', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
 #endif
 #if defined (READLINE)
-  { "emacs",     '\0', (int *)NULL, set_edit_mode, get_edit_mode },
+  { "emacs",     '\0', (int *)NULL, set_edit_mode, get_edit_mode INTERACTIVE_ONLY},
 #endif
   { "errexit",	  'e', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
   { "errtrace",	  'E', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
   { "functrace",  'T', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
   { "hashall",    'h', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
 #if defined (BANG_HISTORY)
-  { "histexpand", 'H', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
+  { "histexpand", 'H', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL INTERACTIVE_ONLY},
 #endif /* BANG_HISTORY */
 #if defined (HISTORY)
-  { "history",   '\0', &enable_history_list, bash_set_history, (setopt_get_func_t *)NULL },
+  { "history",   '\0', &enable_history_list, bash_set_history, (setopt_get_func_t *)NULL INTERACTIVE_ONLY},
+#endif
+#if __CYGWIN__
+  { "igncr", '\0', &igncr, NULL, (setopt_get_func_t *)NULL },
 #endif
   { "ignoreeof", '\0', &ignoreeof, set_ignoreeof, (setopt_get_func_t *)NULL },
   { "interactive-comments", '\0', &interactive_comments, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL },
   { "keyword",    'k', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
 #if defined (JOB_CONTROL)
-  { "monitor",	  'm', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
+  { "monitor",	  'm', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL INTERACTIVE_ONLY},
 #endif
   { "noclobber",  'C', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
   { "noexec",	  'n', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
@@ -229,7 +251,7 @@ const struct {
   { "privileged", 'p', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
   { "verbose",	  'v', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
 #if defined (READLINE)
-  { "vi",        '\0', (int *)NULL, set_edit_mode, get_edit_mode },
+  { "vi",        '\0', (int *)NULL, set_edit_mode, get_edit_mode INTERACTIVE_ONLY},
 #endif
   { "xtrace",	  'x', (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL  },
   {(char *)NULL, 0 , (int *)NULL, (setopt_set_func_t *)NULL, (setopt_get_func_t *)NULL },
@@ -416,6 +438,15 @@ int
 set_minus_o_option (on_or_off, option_name)
      int on_or_off;
      char *option_name;
+#if __CYGWIN__
+{
+  /* See cygwin comments above.  */
+  return set_minus_o_option_maybe (on_or_off, option_name, 0);
+}
+static int
+set_minus_o_option_maybe (int on_or_off, const char *option_name,
+			  int avoid_interactive)
+#endif /* __CYGWIN__ */
 {
   register int i;
 
@@ -423,6 +454,10 @@ set_minus_o_option (on_or_off, option_na
     {
       if (STREQ (option_name, o_options[i].name))
 	{
+#if __CYGWIN__
+	  if (o_options[i].interactive_only && avoid_interactive)
+	    return EXECUTION_SUCCESS;
+#endif /* __CYGWIN__ */
 	  if (o_options[i].letter == 0)
 	    {
 	      SET_BINARY_O_OPTION_VALUE (i, on_or_off, option_name);
@@ -548,7 +583,11 @@ parse_shellopts (value)
   vptr = 0;
   while (vname = extract_colon_unit (value, &vptr))
     {
+#if __CYGWIN__
+      set_minus_o_option_maybe (FLAG_ON, vname, !interactive_shell);
+#else /* !__CYGWIN__ */
       set_minus_o_option (FLAG_ON, vname);
+#endif
       free (vname);
     }
 }
--- builtins/shopt.def	2013-02-27 07:43:20.000000000 -0700
+++ builtins/shopt.def	2015-02-06 17:14:11.015662800 -0700
@@ -91,6 +91,11 @@ extern int glob_star;
 extern int glob_asciirange;
 extern int lastpipe_opt;
 
+#if __CYGWIN__
+extern int completion_strip_exe;
+#endif
+
+
 #if defined (EXTENDED_GLOB)
 extern int extended_glob;
 #endif
@@ -161,6 +166,9 @@ static struct {
   { "compat40", &shopt_compat40, set_compatibility_level },
   { "compat41", &shopt_compat41, set_compatibility_level },
   { "compat42", &shopt_compat41, set_compatibility_level },
+#if __CYGWIN__
+  { "completion_strip_exe", &completion_strip_exe, NULL },
+#endif
 #if defined (READLINE)
   { "complete_fullquote", &complete_fullquote, (shopt_set_func_t *)NULL},
   { "direxpand", &dircomplete_expand, shopt_set_complete_direxpand },
--- config-top.h	2012-08-18 18:51:30.000000000 -0600
+++ config-top.h	2015-02-06 17:14:11.015662800 -0700
@@ -80,10 +80,10 @@
 #define KSH_COMPATIBLE_SELECT
 
 /* System-wide .bashrc file for interactive shells. */
-/* #define SYS_BASHRC "/etc/bash.bashrc" */
+#define SYS_BASHRC "/etc/bash.bashrc"
 
 /* System-wide .bash_logout for login shells. */
-/* #define SYS_BASH_LOGOUT "/etc/bash.bash_logout" */
+#define SYS_BASH_LOGOUT "/etc/bash.bash_logout"
 
 /* Define this to make non-interactive shells begun with argv[0][0] == '-'
    run the startup files when not in posix mode. */
@@ -93,7 +93,7 @@
    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
    `capcase' variable attribute (declare -c). */
--- doc/Makefile.in	2013-10-30 14:18:12.000000000 -0600
+++ doc/Makefile.in	2015-02-06 17:14:11.015662800 -0700
@@ -176,7 +176,7 @@ bashref.html: $(BASHREF_FILES) $(HSUSER)
 	$(TEXI2HTML) -menu -monolithic -I $(TEXINPUTDIR) $(srcdir)/bashref.texi
 
 bash.info: bashref.info
-	${SHELL} ${INFOPOST} < $(srcdir)/bashref.info > $@ ; \
+	${SHELL} ${INFOPOST} < bashref.info > $@ ; \
 
 bash.txt: bash.1
 bash.ps: bash.1
@@ -237,9 +237,9 @@ install: info installdirs bash.info
 	-$(INSTALL_DATA) $(srcdir)/bashbug.1 $(DESTDIR)$(man1dir)/bashbug${man1ext}
 	-$(INSTALL_DATA) $(OTHER_DOCS) $(DESTDIR)$(docdir)
 # uncomment the next lines to install the builtins man page
-#	sed 's:bash\.1:man1/&:' $(srcdir)/builtins.1 > $${TMPDIR:-/var/tmp}/builtins.1
-#	-$(INSTALL_DATA) $${TMPDIR:-/var/tmp}/builtins.1 $(DESTDIR)$(man1dir)/bash_builtins${man1ext}
-#	-$(RM) $${TMPDIR:-/var/tmp}/builtins.1
+	sed 's:bash\.1:man1/&:' $(srcdir)/builtins.1 > $${TMPDIR:-/var/tmp}/builtins.1
+	-$(INSTALL_DATA) $${TMPDIR:-/var/tmp}/builtins.1 $(DESTDIR)$(man1dir)/bash_builtins${man1ext}
+	-$(RM) $${TMPDIR:-/var/tmp}/builtins.1
 	-if test -f bash.info; then d=.; else d=$(srcdir); fi; \
 	  $(INSTALL_DATA) $$d/bash.info $(DESTDIR)$(infodir)/bash.info
 # run install-info if it is present to update the info directory
--- doc/bash.1	2014-02-06 07:03:52.000000000 -0700
+++ doc/bash.1	2015-02-06 17:14:11.015662800 -0700
@@ -1658,6 +1658,14 @@ subsequently reset.
 Expands to the effective user ID of the current user, initialized at
 shell startup.  This variable is readonly.
 .TP
+.B EXECIGNORE
+A colon-separated list of extended glob (see \fBPattern Matching\fP)
+patterns. Files with full paths matching one of these patterns are
+not considered executable for the purposes of completion and PATH
+searching, but the \fB[\fP, \fB[[\fP, and \fBtest\fP builtins are not
+affected. Use this variable to deal with systems that set the
+executable bit on files that are not actually executable.
+.TP
 .B FUNCNAME
 An array variable containing the names of all shell functions
 currently in the execution call stack.
@@ -3308,6 +3316,10 @@ the character
 .B ``.''
 at the start of a name or immediately following a slash
 must be matched explicitly, unless the shell option
+.B completion_strip_exe
+If set, whenever bash sees `foo.exe' during completion, it checks if
+`foo' is the same file and strips the suffix.
+.TP 8
 .B dotglob
 is set.
 When matching a pathname, the slash character must always be
--- doc/bashref.texi	2014-02-22 11:20:36.000000000 -0700
+++ doc/bashref.texi	2015-02-06 17:14:11.015662800 -0700
@@ -4992,6 +4992,10 @@ filenames.
 This variable is set by default, which is the default Bash behavior in
 versions through 4.2.
 
+@item completion_strip_exe
+If set, whenever bash sees `foo.exe' during completion, it checks if
+`foo' is the same file and strips the suffix.
+
 @item direxpand
 If set, Bash
 replaces directory names with the results of word expansion when performing
@@ -5578,6 +5582,14 @@ Similar to @code{BASH_ENV}; used when th
 The numeric effective user id of the current user.  This variable
 is readonly.
 
+@item EXECIGNORE
+A colon-separated list of extended glob ((@pxref{Pattern Matching})
+patterns. Files with full paths matching one of these patterns are
+not considered executable for the purposes of completion and PATH
+searching, but the @code{[}, @code{[[}, and @code{test} builtins are
+not affected. Use this variable to deal with systems that set the
+executable bit on files that are not actually executable.
+
 @item FCEDIT
 The editor used as a default by the @option{-e} option to the @code{fc}
 builtin command.
--- doc/builtins.1	2012-02-21 12:32:05.000000000 -0700
+++ doc/builtins.1	2015-02-06 17:14:11.031260100 -0700
@@ -19,6 +19,6 @@ shift, shopt, source, suspend, test, tim
 ulimit, umask, unalias, unset, wait \- bash built-in commands, see \fBbash\fR(1)
 .SH BASH BUILTIN COMMANDS
 .nr zZ 1
-.so bash.1
+.so man1/bash.1
 .SH SEE ALSO
 bash(1), sh(1)
--- execute_cmd.c	2015-02-06 17:12:55.261573700 -0700
+++ execute_cmd.c	2015-02-06 17:14:11.031260100 -0700
@@ -58,6 +58,7 @@ extern int errno;
 #endif
 
 #define NEED_FPURGE_DECL
+#define NEED_SH_SETLINEBUF_DECL		/* used in externs.h */
 
 #include "bashansi.h"
 #include "bashintl.h"
--- expr.c	2014-01-03 06:55:00.000000000 -0700
+++ expr.c	2015-02-06 17:14:11.031260100 -0700
@@ -83,6 +83,7 @@
 
 #include "shell.h"
 #include "typemax.h"		/* INTMAX_MAX, INTMAX_MIN */
+#define exp2 exp2_
 
 /* Because of the $((...)) construct, expressions may include newlines.
    Here is a macro which accepts newlines, tabs and spaces as whitespace. */
--- findcmd.c	2012-10-15 05:45:04.000000000 -0600
+++ findcmd.c	2015-02-06 17:14:11.031260100 -0700
@@ -48,6 +48,8 @@
 extern int errno;
 #endif
 
+#include <glob/strmatch.h>
+
 extern int posixly_correct;
 extern int last_command_exit_value;
 
@@ -77,6 +79,38 @@ int check_hashed_filenames;
    containing the file of interest. */
 int dot_found_in_search = 0;
 
+static struct ignorevar execignore =
+{
+  "EXECIGNORE",
+  (struct ign *)0,
+  0,
+  (char *)0,
+  (sh_iv_item_func_t *)0,
+};
+
+void
+setup_exec_ignore (char *varname)
+{
+  setup_ignore_patterns (&execignore);
+}
+
+/* Return whether we should never consider file executable
+ * even if the system tells us it is. */
+static int
+is_on_exec_blacklist (char *name)
+{
+  struct ign *p;
+  int flags = FNM_EXTMATCH | FNM_CASEFOLD;
+
+  for (p = execignore.ignores; p && p->val; p++)
+    {
+      if (strmatch (p->val, (char *)name, flags) != FNM_NOMATCH)
+      return (1);
+    }
+
+  return (0);
+}
+
 /* Return some flags based on information about this file.
    The EXISTS bit is non-zero if the file is found.
    The EXECABLE bit is non-zero the file is executble.
@@ -104,7 +138,7 @@ file_status (name)
      file access mechanisms into account.  eaccess uses the effective
      user and group IDs, not the real ones.  We could use sh_eaccess,
      but we don't want any special treatment for /dev/fd. */
-  if (eaccess (name, X_OK) == 0)
+  if (!is_on_exec_blacklist (name) && eaccess (name, X_OK) == 0)
     r |= FS_EXECABLE;
   if (eaccess (name, R_OK) == 0)
     r |= FS_READABLE;
--- findcmd.h	2012-01-14 16:56:25.000000000 -0700
+++ findcmd.h	2015-02-06 17:14:11.031260100 -0700
@@ -31,5 +31,6 @@ extern char *find_user_command __P((cons
 extern char *find_path_file __P((const char *));
 extern char *search_for_command __P((const char *, int));
 extern char *user_command_matches __P((const char *, int, int));
+extern void setup_exec_ignore __P((char *));
 
 #endif /* _FINDCMD_H_ */
--- general.c	2014-01-30 14:46:15.000000000 -0700
+++ general.c	2015-02-06 17:14:11.031260100 -0700
@@ -44,6 +44,10 @@
 
 #include <tilde/tilde.h>
 
+#ifdef __CYGWIN__
+# include <sys/cygwin.h>
+#endif
+
 #if !defined (errno)
 extern int errno;
 #endif /* !errno */
@@ -632,7 +636,8 @@ make_absolute (string, dot_path)
     {
       char pathbuf[PATH_MAX + 1];
 
-      cygwin_conv_to_full_posix_path (string, pathbuf);
+      cygwin_conv_path (CCP_WIN_A_TO_POSIX | CCP_ABSOLUTE, string, pathbuf,
+			sizeof pathbuf);
       result = savestring (pathbuf);
     }
 #else
--- include/chartypes.h	2011-04-11 12:30:52.000000000 -0600
+++ include/chartypes.h	2015-02-06 17:14:11.031260100 -0700
@@ -40,6 +40,7 @@
 #else
 #  define IN_CTYPE_DOMAIN(c) isascii(c)
 #endif
+#define to_uchar(c) ((unsigned char)(c))
 
 #if !defined (isspace) && !defined (HAVE_ISSPACE)
 #  define isspace(c) ((c) == ' ' || (c) == '\t' || (c) == '\n' || (c) == '\f')
@@ -67,16 +68,16 @@
 
 #undef ISPRINT
 
-#define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint (c))
-#define ISDIGIT(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
-#define ISALNUM(c) (IN_CTYPE_DOMAIN (c) && isalnum (c))
-#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c))
-#define ISCNTRL(c) (IN_CTYPE_DOMAIN (c) && iscntrl (c))
-#define ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (c))
-#define ISPUNCT(c) (IN_CTYPE_DOMAIN (c) && ispunct (c))
-#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
-#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
-#define ISXDIGIT(c) (IN_CTYPE_DOMAIN (c) && isxdigit (c))
+#define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint (to_uchar (c)))
+#define ISDIGIT(c) (IN_CTYPE_DOMAIN (c) && isdigit (to_uchar (c)))
+#define ISALNUM(c) (IN_CTYPE_DOMAIN (c) && isalnum (to_uchar (c)))
+#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (to_uchar (c)))
+#define ISCNTRL(c) (IN_CTYPE_DOMAIN (c) && iscntrl (to_uchar (c)))
+#define ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (to_uchar (c)))
+#define ISPUNCT(c) (IN_CTYPE_DOMAIN (c) && ispunct (to_uchar (c)))
+#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (to_uchar (c)))
+#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (to_uchar (c)))
+#define ISXDIGIT(c) (IN_CTYPE_DOMAIN (c) && isxdigit (to_uchar (c)))
 
 #define ISLETTER(c)	(ISALPHA(c))
 
--- include/posixjmp.h	2012-12-23 20:20:50.000000000 -0700
+++ include/posixjmp.h	2015-02-06 17:14:11.031260100 -0700
@@ -27,13 +27,13 @@
 
 #if defined (HAVE_POSIX_SIGSETJMP)
 #  define procenv_t	sigjmp_buf
-#  if !defined (__OPENNT)
+#  if !defined (__OPENNT) && !defined __CYGWIN__
 #    undef setjmp
 #    define setjmp(x)	sigsetjmp((x), 1)
-#    define setjmp_nosigs(x)	sigsetjmp((x), 0)
 #    undef longjmp
 #    define longjmp(x, n)	siglongjmp((x), (n))
 #  endif /* !__OPENNT */
+#  define setjmp_nosigs(x)	sigsetjmp((x), 0)
 #else
 #  define procenv_t	jmp_buf
 #  define setjmp_nosigs	setjmp
--- input.c	2014-02-07 07:13:08.000000000 -0700
+++ input.c	2015-02-06 17:14:11.031260100 -0700
@@ -44,6 +44,10 @@
 #include "quit.h"
 #include "trap.h"
 
+#if __CYGWIN__
+int igncr;
+#endif
+
 #if !defined (errno)
 extern int errno;
 #endif /* !errno */
@@ -561,6 +565,19 @@ buffered_getchar ()
 {
   CHECK_TERMSIG;
 
+#if __CYGWIN__
+  /* shopt igncr means to discard carriage returns from input stream.
+     If cr is the only character in the buffer, then recurse to pick
+     up the next character; otherwise flatten the buffer.  */
+  if (igncr)
+    {
+      int ch;
+      while ((ch = bufstream_getc (buffers[bash_input.location.buffered_fd]))
+	     == '\r')
+	;
+      return ch;
+    }
+#endif /* __CYGWIN__ */
 #if !defined (DJGPP)
   return (bufstream_getc (buffers[bash_input.location.buffered_fd]));
 #else
--- lib/readline/bind.c	2013-04-06 15:46:38.000000000 -0600
+++ lib/readline/bind.c	2015-02-06 17:14:11.031260100 -0700
@@ -452,7 +452,7 @@ rl_translate_keyseq (seq, array, len)
 {
   register int i, c, l, temp;
 
-  for (i = l = 0; c = seq[i]; i++)
+  for (i = l = 0; (c = seq[i]); i++)
     {
       if (c == '\\')
 	{
@@ -1210,7 +1210,7 @@ _rl_skip_to_delim (string, start, delim)
 {
   int i, c, passc;
 
-  for (i = start,passc = 0; c = string[i]; i++)
+  for (i = start,passc = 0; (c = string[i]); i++)
     {
       if (passc)
 	{
@@ -1297,7 +1297,6 @@ rl_parse_and_bind (string)
   if (_rl_stricmp (string, "set") == 0)
     {
       char *var, *value, *e;
-      int s;
 
       var = string + i;
       /* Make VAR point to start of variable name. */
@@ -2198,7 +2197,7 @@ rl_function_dumper (print_readably)
 
   fprintf (rl_outstream, "\n");
 
-  for (i = 0; name = names[i]; i++)
+  for (i = 0; (name = names[i]); i++)
     {
       rl_command_func_t *function;
       char **invokers;
--- lib/readline/chardefs.h	2011-07-25 19:47:56.000000000 -0600
+++ lib/readline/chardefs.h	2015-02-06 17:14:11.046889800 -0700
@@ -71,6 +71,7 @@
 #else
 #  define IN_CTYPE_DOMAIN(c) isascii(c)
 #endif
+#define to_uchar(c) ((unsigned char)(c))
 
 #if !defined (isxdigit) && !defined (HAVE_ISXDIGIT) && !defined (__cplusplus)
 #  define isxdigit(c)   (isdigit((c)) || ((c) >= 'a' && (c) <= 'f') || ((c) >= 'A' && (c) <= 'F'))
@@ -87,13 +88,13 @@
 
 /* Beware:  these only work with single-byte ASCII characters. */
 
-#define ISALNUM(c)	(IN_CTYPE_DOMAIN (c) && isalnum (c))
-#define ISALPHA(c)	(IN_CTYPE_DOMAIN (c) && isalpha (c))
-#define ISDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isdigit (c))
-#define ISLOWER(c)	(IN_CTYPE_DOMAIN (c) && islower (c))
-#define ISPRINT(c)	(IN_CTYPE_DOMAIN (c) && isprint (c))
-#define ISUPPER(c)	(IN_CTYPE_DOMAIN (c) && isupper (c))
-#define ISXDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isxdigit (c))
+#define ISALNUM(c)	(IN_CTYPE_DOMAIN (c) && isalnum (to_uchar (c)))
+#define ISALPHA(c)	(IN_CTYPE_DOMAIN (c) && isalpha (to_uchar (c)))
+#define ISDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isdigit (to_uchar (c)))
+#define ISLOWER(c)	(IN_CTYPE_DOMAIN (c) && islower (to_uchar (c)))
+#define ISPRINT(c)	(IN_CTYPE_DOMAIN (c) && isprint (to_uchar (c)))
+#define ISUPPER(c)	(IN_CTYPE_DOMAIN (c) && isupper (to_uchar (c)))
+#define ISXDIGIT(c)	(IN_CTYPE_DOMAIN (c) && isxdigit (to_uchar (c)))
 
 #define _rl_lowercase_p(c)	(NON_NEGATIVE(c) && ISLOWER(c))
 #define _rl_uppercase_p(c)	(NON_NEGATIVE(c) && ISUPPER(c))
--- lib/readline/complete.c	2013-10-14 07:27:10.000000000 -0600
+++ lib/readline/complete.c	2015-02-06 17:14:11.046889800 -0700
@@ -1082,7 +1082,7 @@ _rl_find_completion_word (fp, dp)
       /* We didn't find an unclosed quoted substring upon which to do
          completion, so use the word break characters to find the
          substring on which to complete. */
-      while (rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_ANY))
+      while ((rl_point = MB_PREVCHAR (rl_line_buffer, rl_point, MB_FIND_ANY)))
 	{
 	  scan = rl_line_buffer[rl_point];
 
@@ -2116,7 +2116,7 @@ rl_completion_matches (text, entry_funct
   match_list = (char **)xmalloc ((match_list_size + 1) * sizeof (char *));
   match_list[1] = (char *)NULL;
 
-  while (string = (*entry_function) (text, matches))
+  while ((string = (*entry_function) (text, matches)))
     {
       if (RL_SIG_RECEIVED ())
 	{
@@ -2190,7 +2190,7 @@ rl_username_completion_function (text, s
     }
 
 #if defined (HAVE_GETPWENT)
-  while (entry = getpwent ())
+  while ((entry = getpwent ()))
     {
       /* Null usernames should result in all users as possible completions. */
       if (namelen == 0 || (STREQN (username, entry->pw_name, namelen)))
@@ -2723,7 +2723,7 @@ rl_menu_complete (count, ignore)
   static int full_completion = 0;	/* set to 1 if menu completion should reinitialize on next call */
   static int orig_start, orig_end;
   static char quote_char;
-  static int delimiter, cstate;
+  static int delimiter;
 
   /* The first time through, we generate the list of matches and set things
      up to insert them. */
--- lib/readline/display.c	2015-02-06 17:12:54.793574600 -0700
+++ lib/readline/display.c	2015-02-06 17:14:11.046889800 -0700
@@ -66,7 +66,6 @@ extern char *strchr (), *strrchr ();
 static void update_line PARAMS((char *, char *, int, int, int, int));
 static void space_to_eol PARAMS((int));
 static void delete_chars PARAMS((int));
-static void insert_some_chars PARAMS((char *, int, int));
 static void open_some_spaces PARAMS((int));
 static void cr PARAMS((void));
 
@@ -1314,7 +1313,7 @@ update_line (old, new, current_line, oma
      int current_line, omax, nmax, inv_botlin;
 {
   register char *ofd, *ols, *oe, *nfd, *nls, *ne;
-  int temp, lendiff, wsatend, od, nd, twidth, o_cpos;
+  int temp, lendiff, wsatend, od, nd, o_cpos;
   int current_invis_chars;
   int col_lendiff, col_temp;
   int bytes_to_insert;
@@ -2485,6 +2484,7 @@ _rl_clear_screen ()
 #endif /* __DJGPP__ */
 }
 
+#if 0
 /* Insert COUNT characters from STRING to the output stream at column COL. */
 static void
 insert_some_chars (string, count, col)
@@ -2494,6 +2494,7 @@ insert_some_chars (string, count, col)
   open_some_spaces (col);
   _rl_output_some_chars (string, count);
 }
+#endif
 
 /* Insert COL spaces, keeping the cursor at the same position.  We follow the
    ncurses documentation and use either im/ei with explicit spaces, or IC/ic
--- lib/readline/histexpand.c	2013-12-02 07:22:30.000000000 -0700
+++ lib/readline/histexpand.c	2015-02-06 17:14:11.046889800 -0700
@@ -204,7 +204,7 @@ get_history_event (string, caller_index,
     }
 
   /* Only a closing `?' or a newline delimit a substring search string. */
-  for (local_index = i; c = string[i]; i++)
+  for (local_index = i; (c = string[i]); i++)
     {
 #if defined (HANDLE_MULTIBYTE)
       if (MB_CUR_MAX > 1 && rl_byte_oriented == 0)
@@ -677,7 +677,7 @@ history_expand_internal (string, start,
 	case 's':
 	  {
 	    char *new_event;
-	    int delimiter, failed, si, l_temp, ws, we;
+	    int delimiter, failed, si, l_temp, we;
 
 	    if (c == 's')
 	      {
@@ -776,7 +776,6 @@ history_expand_internal (string, start,
 		  {
 		    for (; temp[si] && whitespace (temp[si]); si++)
 		      ;
-		    ws = si;
 		    we = history_tokenize_word (temp, si);
 		  }
 
--- lib/readline/histfile.c	2013-07-19 06:17:17.000000000 -0600
+++ lib/readline/histfile.c	2015-02-06 17:14:11.046889800 -0700
@@ -104,7 +104,7 @@ int history_write_timestamps = 0;
 
 /* Does S look like the beginning of a history timestamp entry?  Placeholder
    for more extensive tests. */
-#define HIST_TIMESTAMP_START(s)		(*(s) == history_comment_char && isdigit ((s)[1]) )
+#define HIST_TIMESTAMP_START(s)		(*(s) == history_comment_char && isdigit ((unsigned char) (s)[1]) )
 
 /* Return the string that should be used in the place of this
    filename.  This only matters when you don't specify the
--- lib/readline/input.c	2015-02-06 17:12:55.027577800 -0700
+++ lib/readline/input.c	2015-02-06 17:14:11.046889800 -0700
@@ -431,7 +431,7 @@ rl_read_key ()
   else
     {
       /* If input is coming from a macro, then use that. */
-      if (c = _rl_next_macro_key ())
+      if ((c = _rl_next_macro_key ()))
 	return (c);
 
       /* If the user has an event function, then call it periodically. */
--- lib/readline/isearch.c	2013-10-14 07:08:40.000000000 -0600
+++ lib/readline/isearch.c	2015-02-06 17:14:11.046889800 -0700
@@ -740,7 +740,7 @@ rl_search_history (direction, invoking_k
      int direction, invoking_key;
 {
   _rl_search_cxt *cxt;		/* local for now, but saved globally */
-  int c, r;
+  int r;
 
   RL_SETSTATE(RL_STATE_ISEARCH);
   cxt = _rl_isearch_init (direction);
@@ -755,7 +755,7 @@ rl_search_history (direction, invoking_k
   r = -1;
   for (;;)
     {
-      c = _rl_search_getchar (cxt);
+      _rl_search_getchar (cxt);
       /* We might want to handle EOF here (c == 0) */
       r = _rl_isearch_dispatch (cxt, cxt->lastc);
       if (r <= 0)
@@ -778,9 +778,9 @@ int
 _rl_isearch_callback (cxt)
      _rl_search_cxt *cxt;
 {
-  int c, r;
+  int r;
 
-  c = _rl_search_getchar (cxt);
+  _rl_search_getchar (cxt);
   /* We might want to handle EOF here */
   r = _rl_isearch_dispatch (cxt, cxt->lastc);
 
--- lib/readline/misc.c	2015-02-06 17:12:55.230384200 -0700
+++ lib/readline/misc.c	2015-02-06 17:14:11.046889800 -0700
@@ -455,7 +455,7 @@ _rl_revert_all_lines ()
   entry = (hpos == history_length) ? previous_history () : current_history ();
   while (entry)
     {
-      if (ul = (UNDO_LIST *)entry->data)
+      if ((ul = (UNDO_LIST *)entry->data))
 	{
 	  if (ul == saved_undo_list)
 	    saved_undo_list = 0;
@@ -502,7 +502,7 @@ rl_clear_history ()
   for (i = 0; i < history_length; i++)
     {
       hent = hlist[i];
-      if (ul = (UNDO_LIST *)hent->data)
+      if ((ul = (UNDO_LIST *)hent->data))
 	{
 	  if (ul == saved_undo_list)
 	    saved_undo_list = 0;
--- lib/readline/nls.c	2013-03-09 12:51:10.000000000 -0700
+++ lib/readline/nls.c	2015-02-06 17:14:11.046889800 -0700
@@ -80,7 +80,7 @@ static char *legal_lang_values[] =
 static char *normalize_codeset PARAMS((char *));
 #endif /* !HAVE_SETLOCALE */
 
-static char *find_codeset PARAMS((char *, size_t *));
+static char *find_codeset PARAMS((char *, size_t *)) __attribute__ ((__unused__));
 
 static char *_rl_get_locale_var PARAMS((const char *));
 
@@ -104,12 +104,13 @@ utf8locale (lspec)
      char *lspec;
 {
   char *cp;
-  size_t len;
 
 #if HAVE_LANGINFO_CODESET
   cp = nl_langinfo (CODESET);
   return (STREQ (cp, "UTF-8") || STREQ (cp, "utf8"));
 #else
+  size_t len;
+
   cp = find_codeset (lspec, &len);
 
   if (cp == 0 || len < 4 || len > 5)
--- lib/readline/parens.c	2009-04-19 11:12:06.000000000 -0600
+++ lib/readline/parens.c	2015-02-06 17:14:11.046889800 -0700
@@ -106,7 +106,7 @@ rl_insert_close (count, invoking_key)
   else
     {
 #if defined (HAVE_SELECT)
-      int orig_point, match_point, ready;
+      int orig_point, match_point;
       struct timeval timer;
       fd_set readfds;
 
@@ -126,7 +126,7 @@ rl_insert_close (count, invoking_key)
       orig_point = rl_point;
       rl_point = match_point;
       (*rl_redisplay_function) ();
-      ready = select (1, &readfds, (fd_set *)NULL, (fd_set *)NULL, &timer);
+      select (1, &readfds, (fd_set *)NULL, (fd_set *)NULL, &timer);
       rl_point = orig_point;
 #else /* !HAVE_SELECT */
       _rl_insert_char (count, invoking_key);
--- lib/readline/posixjmp.h	2012-12-23 20:20:50.000000000 -0700
+++ lib/readline/posixjmp.h	2015-02-06 17:14:11.046889800 -0700
@@ -27,13 +27,13 @@
 
 #if defined (HAVE_POSIX_SIGSETJMP)
 #  define procenv_t	sigjmp_buf
-#  if !defined (__OPENNT)
+#  if !defined (__OPENNT) && !defined __CYGWIN__
 #    undef setjmp
 #    define setjmp(x)	sigsetjmp((x), 1)
-#    define setjmp_nosigs(x)	sigsetjmp((x), 0)
 #    undef longjmp
 #    define longjmp(x, n)	siglongjmp((x), (n))
 #  endif /* !__OPENNT */
+#  define setjmp_nosigs(x)	sigsetjmp((x), 0)
 #else
 #  define procenv_t	jmp_buf
 #  define setjmp_nosigs	setjmp
--- lib/readline/readline.c	2015-02-06 17:12:54.310964200 -0700
+++ lib/readline/readline.c	2015-02-06 17:14:11.046889800 -0700
@@ -95,7 +95,7 @@ static void bind_arrow_keys_internal PAR
 static void bind_arrow_keys PARAMS((void));
 
 static void readline_default_bindings PARAMS((void));
-static void reset_default_bindings PARAMS((void));
+//static void reset_default_bindings PARAMS((void));
 
 static int _rl_subseq_result PARAMS((int, Keymap, int, int));
 static int _rl_subseq_getchar PARAMS((int));
@@ -522,7 +522,7 @@ readline_internal_char ()
 readline_internal_charloop ()
 #endif
 {
-  static int lastc, eof_found;
+  static int lastc, eof_found __attribute__((unused));
   int c, code, lk;
 
   lastc = -1;
@@ -1204,6 +1204,7 @@ readline_default_bindings ()
     rl_tty_set_default_bindings (_rl_keymap);
 }
 
+#if 0
 /* Reset the default bindings for the terminal special characters we're
    interested in back to rl_insert and read the new ones. */
 static void
@@ -1215,6 +1216,7 @@ reset_default_bindings ()
       rl_tty_set_default_bindings (_rl_keymap);
     }
 }
+#endif
 
 /* Bind some common arrow key sequences in MAP. */
 static void
--- lib/readline/rltty.c	2013-08-25 14:57:05.000000000 -0600
+++ lib/readline/rltty.c	2015-02-06 17:14:11.062454900 -0700
@@ -30,6 +30,7 @@
 #include <signal.h>
 #include <errno.h>
 #include <stdio.h>
+#include <sys/ioctl.h>
 
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
--- lib/readline/shell.c	2013-03-13 08:17:00.000000000 -0600
+++ lib/readline/shell.c	2015-02-06 17:14:11.062454900 -0700
@@ -123,8 +123,10 @@ sh_single_quote (string)
 /* Set the environment variables LINES and COLUMNS to lines and cols,
    respectively. */
 static char setenv_buf[INT_STRLEN_BOUND (int) + 1];
+#  if !defined (HAVE_SETENV) && defined (HAVE_PUTENV)
 static char putenv_buf1[INT_STRLEN_BOUND (int) + 6 + 1];	/* sizeof("LINES=") == 6 */
 static char putenv_buf2[INT_STRLEN_BOUND (int) + 8 + 1];	/* sizeof("COLUMNS=") == 8 */
+#  endif
 
 void
 sh_set_lines_and_columns (lines, cols)
--- lib/readline/signals.c	2014-01-10 13:06:48.000000000 -0700
+++ lib/readline/signals.c	2015-02-06 17:14:11.062454900 -0700
@@ -576,7 +576,6 @@ rl_free_line_state ()
 /* **************************************************************** */
 
 #if defined (HAVE_POSIX_SIGNALS)
-static sigset_t sigint_set, sigint_oset;
 static sigset_t sigwinch_set, sigwinch_oset;
 #else /* !HAVE_POSIX_SIGNALS */
 #  if defined (HAVE_BSD_SIGNALS)
--- lib/readline/terminal.c	2013-09-18 07:12:01.000000000 -0600
+++ lib/readline/terminal.c	2015-02-06 17:14:11.062454900 -0700
@@ -31,6 +31,7 @@
 #if defined (HAVE_SYS_FILE_H)
 #  include <sys/file.h>
 #endif /* HAVE_SYS_FILE_H */
+#include <sys/ioctl.h>
 
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
--- lib/readline/text.c	2013-10-14 07:25:05.000000000 -0600
+++ lib/readline/text.c	2015-02-06 17:14:11.062454900 -0700
@@ -859,11 +859,10 @@ _rl_overwrite_char (count, c)
   int i;
 #if defined (HANDLE_MULTIBYTE)
   char mbkey[MB_LEN_MAX];
-  int k;
 
   /* Read an entire multibyte character sequence to insert COUNT times. */
   if (count > 0 && MB_CUR_MAX > 1 && rl_byte_oriented == 0)
-    k = _rl_read_mbstring (c, mbkey, MB_LEN_MAX);
+    _rl_read_mbstring (c, mbkey, MB_LEN_MAX);
 #endif
 
   rl_begin_undo_group ();
--- lib/readline/tilde.c	2010-07-25 15:42:13.000000000 -0600
+++ lib/readline/tilde.c	2015-02-06 17:14:11.062454900 -0700
@@ -196,7 +196,7 @@ tilde_expand (string)
   int result_size, result_index;
 
   result_index = result_size = 0;
-  if (result = strchr (string, '~'))
+  if ((result = strchr (string, '~')))
     result = (char *)xmalloc (result_size = (strlen (string) + 16));
   else
     result = (char *)xmalloc (result_size = (strlen (string) + 1));
--- lib/readline/undo.c	2014-02-02 13:47:46.000000000 -0700
+++ lib/readline/undo.c	2015-02-06 17:14:11.062454900 -0700
@@ -124,7 +124,7 @@ _rl_free_undo_list (ul)
 void
 rl_free_undo_list ()
 {
-  UNDO_LIST *release, *orig_list;
+  UNDO_LIST *orig_list;
 
   orig_list = rl_undo_list;
   _rl_free_undo_list (rl_undo_list);
--- lib/readline/vi_mode.c	2012-09-01 16:55:30.000000000 -0600
+++ lib/readline/vi_mode.c	2015-02-06 17:14:11.062454900 -0700
@@ -1089,7 +1089,7 @@ static int
 rl_domove_motion_callback (m)
      _rl_vimotion_cxt *m;
 {
-  int c, save, r;
+  int c, r;
   int old_end;
 
   _rl_vi_last_motion = c = m->motion;
@@ -1257,7 +1257,6 @@ int
 rl_vi_domove (x, ignore)
      int x, *ignore;
 {
-  int r;
   _rl_vimotion_cxt *m;
 
   m = _rl_vimvcxt;
--- lib/sh/pathphys.c	2013-05-28 13:33:58.000000000 -0600
+++ lib/sh/pathphys.c	2015-02-06 17:14:11.062454900 -0700
@@ -35,6 +35,7 @@
 #include <stdio.h>
 #include <chartypes.h>
 #include <errno.h>
+#include <stdlib.h>
 
 #include "shell.h"
 
@@ -76,6 +77,10 @@ sh_physpath (path, flags)
      char *path;
      int flags;
 {
+#if __CYGWIN__
+  /* realpath does this correctly without all the hassle */
+  return realpath (path, NULL);
+#else
   char tbuf[PATH_MAX+1], linkbuf[PATH_MAX+1];
   char *result, *p, *q, *qsave, *qbase, *workpath;
   int double_slash_path, linklen, nlink;
@@ -214,11 +219,7 @@ error:
 	    {
 	      q = result;
 	      /* Duplicating some code here... */
-#if defined (__CYGWIN__)
-	      qbase = (ISALPHA((unsigned char)workpath[0]) && workpath[1] == ':') ? workpath + 3 : workpath + 1;
-#else
 	      qbase = workpath + 1;
-#endif
 	      double_slash_path = DOUBLE_SLASH (workpath);
 	      qbase += double_slash_path;
     
@@ -249,6 +250,7 @@ error:
     }
 
   return (result);
+#endif /* ! __CYGWIN__ */
 }
 
 char *
--- lib/sh/tmpfile.c	2013-12-18 15:50:13.000000000 -0700
+++ lib/sh/tmpfile.c	2015-02-06 17:14:11.062454900 -0700
@@ -96,7 +96,7 @@ get_tmpdir (flags)
   if (tdir && (file_iswdir (tdir) == 0 || strlen (tdir) > PATH_MAX))
     tdir = 0;
 
-  if (tdir == 0)
+  if (tdir == 0 || !file_iswdir (tdir))
     tdir = get_sys_tmpdir ();
 
 #if defined (HAVE_PATHCONF) && defined (_PC_NAME_MAX)
@@ -118,14 +118,15 @@ sh_mktmpname (nameroot, flags)
   struct stat sb;
   int r, tdlen;
 
-  filename = (char *)xmalloc (PATH_MAX + 1);
+  filename = NULL;
   tdir = get_tmpdir (flags);
   tdlen = strlen (tdir);
 
   lroot = nameroot ? nameroot : DEFAULT_NAMEROOT;
 
 #ifdef USE_MKTEMP
-  sprintf (filename, "%s/%s.XXXXXX", tdir, lroot);
+  if (asprintf (&filename, "%s/%s.XXXXXX", tdir, lroot) < 0)
+    return NULL;
   if (mktemp (filename) == 0)
     {
       free (filename);
@@ -138,7 +139,9 @@ sh_mktmpname (nameroot, flags)
 		(unsigned long) time ((time_t *)0) ^
 		(unsigned long) dollar_dollar_pid ^
 		(unsigned long) ((flags & MT_USERANDOM) ? random () : ntmpfiles++);
-      sprintf (filename, "%s/%s-%lu", tdir, lroot, filenum);
+      free (filename);
+      if (asprintf (&filename, "%s/%s-%lu", tdir, lroot, filenum) < 0)
+	return NULL;
       if (tmpnamelen > 0 && tmpnamelen < 32)
 	filename[tdlen + 1 + tmpnamelen] = '\0';
 #  ifdef HAVE_LSTAT
@@ -163,14 +166,19 @@ sh_mktmpfd (nameroot, flags, namep)
   char *filename, *tdir, *lroot;
   int fd, tdlen;
 
-  filename = (char *)xmalloc (PATH_MAX + 1);
+  filename = NULL;
   tdir = get_tmpdir (flags);
   tdlen = strlen (tdir);
 
   lroot = nameroot ? nameroot : DEFAULT_NAMEROOT;
 
 #ifdef USE_MKSTEMP
-  sprintf (filename, "%s/%s.XXXXXX", tdir, lroot);
+  if (asprintf (&filename, "%s/%s.XXXXXX", tdir, lroot) < 0)
+    {
+      if (namep)
+	*namep = NULL;
+      return -1;
+    }
   fd = mkstemp (filename);
   if (fd < 0 || namep == 0)
     {
@@ -187,7 +195,13 @@ sh_mktmpfd (nameroot, flags, namep)
 		(unsigned long) time ((time_t *)0) ^
 		(unsigned long) dollar_dollar_pid ^
 		(unsigned long) ((flags & MT_USERANDOM) ? random () : ntmpfiles++);
-      sprintf (filename, "%s/%s-%lu", tdir, lroot, filenum);
+      free (filename);
+      if (asprintf (&filename, "%s/%s-%lu", tdir, lroot, filenum) < 0)
+	{
+	  if (namep)
+	    *namep = NULL;
+	  return -1;
+	}
       if (tmpnamelen > 0 && tmpnamelen < 32)
 	filename[tdlen + 1 + tmpnamelen] = '\0';
       fd = open (filename, BASEOPENFLAGS | ((flags & MT_READWRITE) ? O_RDWR : O_WRONLY), 0600);
--- mksyntax.c	2012-07-29 17:48:38.000000000 -0600
+++ mksyntax.c	2015-02-06 17:14:11.062454900 -0700
@@ -29,13 +29,13 @@
 
 #ifdef HAVE_UNISTD_H
 #  include <unistd.h>
+#else
+extern int optind;
+extern char *optarg;
 #endif
 
 #include "syntax.h"
 
-extern int optind;
-extern char *optarg;
-
 #ifndef errno
 extern int errno;
 #endif
--- parse.y	2015-02-06 17:12:55.682776800 -0700
+++ parse.y	2015-02-06 17:14:11.062454900 -0700
@@ -1531,14 +1531,20 @@ yy_string_get ()
   string = bash_input.location.string;
 
   /* If the string doesn't exist, or is empty, EOF found. */
-  if (string && *string)
+  while (string && *string)
     {
       c = *string++;
       bash_input.location.string = string;
+#if __CYGWIN__
+      {
+	extern int igncr;
+	if (igncr && c == '\r')
+	  continue;
+      }
+#endif
       return (c);
     }
-  else
-    return (EOF);
+  return (EOF);
 }
 
 static int
@@ -2305,7 +2311,7 @@ shell_getc (remove_quoted_newline)
 	      if (n <= 2)	/* we have to save 1 for the newline added below */
 		{
 		  if (truncating == 0)
-		    internal_warning("shell_getc: shell_input_line_size (%zu) exceeds SIZE_MAX (%llu): line truncated", shell_input_line_size, SIZE_MAX);
+		    internal_warning("shell_getc: shell_input_line_size (%zu) exceeds SIZE_MAX (%zu): line truncated", shell_input_line_size, SIZE_MAX);
 		  shell_input_line[i] = '\0';
 		  truncating = 1;
 		}
@@ -3582,7 +3588,6 @@ parse_comsub (qc, open, close, lenp, fla
 
   while (count)
     {
-comsub_readchar:
       ch = shell_getc (qc != '\'' && (tflags & (LEX_INCOMMENT|LEX_PASSNEXT)) == 0);
 
       if (ch == EOF)
--- pathexp.h	2009-01-04 12:32:40.000000000 -0700
+++ pathexp.h	2015-02-06 17:14:11.062454900 -0700
@@ -86,7 +86,7 @@ struct ign {
 typedef int sh_iv_item_func_t __P((struct ign *));
 
 struct ignorevar {
-  char *varname;	/* FIGNORE or GLOBIGNORE */
+  char *varname;	/* FIGNORE or GLOBIGNORE or EXECIGNORE */
   struct ign *ignores;	/* Store the ignore strings here */
   int num_ignores;	/* How many are there? */
   char *last_ignoreval;	/* Last value of variable - cached for speed */
--- redir.c	2013-10-14 07:19:59.000000000 -0600
+++ redir.c	2015-02-06 17:14:11.078059300 -0700
@@ -156,7 +156,6 @@ redirection_error (temp, error)
 #endif
   else if (expandable_redirection_filename (temp))
     {
-expandable_filename:
       oflags = temp->redirectee.filename->flags;
       if (posixly_correct && interactive_shell == 0)
 	temp->redirectee.filename->flags |= W_NOGLOB;
--- subst.c	2015-02-06 17:12:55.370841100 -0700
+++ subst.c	2015-02-06 17:14:11.078059300 -0700
@@ -41,6 +41,7 @@
 #include "posixstat.h"
 #include "bashintl.h"
 
+#define NEED_SH_SETLINEBUF_DECL		/* used in externs.h */
 #include "shell.h"
 #include "parser.h"
 #include "flags.h"
@@ -5268,6 +5269,13 @@ read_comsub (fd, quoted, rflag)
 #endif
 	  continue;
 	}
+#if __CYGWIN__
+      {
+	extern int igncr;
+	if (igncr && c == '\r')
+	  continue;
+      }
+#endif /* __CYGWIN__ */
 
       /* Add the character to ISTRING, possibly after resizing it. */
       RESIZE_MALLOCED_BUFFER (istring, istring_index, 2, istring_size, DEFAULT_ARRAY_SIZE);
@@ -5385,6 +5393,28 @@ command_substitute (string, quoted)
       goto error_exit;
     }
 
+#if __CYGWIN__
+  /* Passing a pipe through std fds can cause hangs when talking to a
+     non-cygwin child.  Move it.  */
+  if (fildes[0] < 3)
+    {
+      int fd = fcntl (fildes[0], F_DUPFD, 3);
+      close (fildes[0]);
+      fildes[0] = fd;
+    }
+  if (fildes[1] < 3)
+    {
+      int fd = fcntl (fildes[1], F_DUPFD, 3);
+      close (fildes[1]);
+      fildes[1] = fd;
+    }
+  if (fildes[0] < 0 || fildes[1] < 0)
+    {
+      sys_error (_("cannot make pipe for command substitution"));
+      goto error_exit;
+    }
+#endif /* __CYGWIN__ */
+
   old_pid = last_made_pid;
 #if defined (JOB_CONTROL)
   old_pipeline_pgrp = pipeline_pgrp;
--- support/bashversion.c	2008-09-09 07:31:53.000000000 -0600
+++ support/bashversion.c	2015-02-06 17:14:11.078059300 -0700
@@ -26,6 +26,9 @@
 
 #if defined (HAVE_UNISTD_H)
 #  include <unistd.h>
+#else
+extern int optind;
+extern char *optarg;
 #endif
 
 #include "bashansi.h"
@@ -41,9 +44,6 @@
 #define LFLAG	0x0020
 #define XFLAG	0x0040
 
-extern int optind;
-extern char *optarg;
-
 extern char *dist_version;
 extern int patch_level;
 
@@ -65,7 +65,7 @@ main (argc, argv)
      char **argv;
 {
   int opt, oflags;
-  char dv[128], *rv;
+  char dv[128], *rv = NULL;
 
   if (progname = strrchr (argv[0], '/'))
     progname++;
--- support/mkversion.sh	2008-08-13 06:25:57.000000000 -0600
+++ support/mkversion.sh	2015-02-06 17:14:11.078059300 -0700
@@ -29,7 +29,7 @@ source_dir="."
 while [ $# -gt 0 ]; do
 	case "$1" in
 	-o)	shift; OUTFILE=$1; shift ;;
-	-b)	shift; inc_build=yes ;;
+	-b)	shift; ;;# inc_build=yes ;; # hacked out for cygport
 	-s)	shift; rel_status=$1; shift ;;
 	-p)	shift; patch_level=$1; shift ;;
 	-d)	shift; dist_version=$1; shift ;;
--- variables.c	2015-02-06 17:12:55.729569600 -0700
+++ variables.c	2015-02-06 17:14:11.078059300 -0700
@@ -2526,9 +2526,9 @@ bind_variable_internal (name, value, tab
 
   newname = 0;
 #if defined (ARRAY_VARS)
-  if ((aflags & ASS_FROMREF) && (hflags & HASH_NOSRCH) == 0 && valid_array_reference (name))
+  if ((aflags & ASS_FROMREF) && (hflags & HASH_NOSRCH) == 0 && valid_array_reference ((char *)name))
     {
-      newname = array_variable_name (name, &subp, &sublen);
+      newname = array_variable_name ((char*)name, &subp, &sublen);
       if (newname == 0)
 	return (SHELL_VAR *)NULL;	/* XXX */
       entry = hash_lookup (newname, table);
@@ -2573,13 +2573,13 @@ bind_variable_internal (name, value, tab
       entry = make_new_array_variable (newname);	/* indexed array by default */
       if (entry == 0)
 	return entry;
-      ind = array_expand_index (name, subp, sublen);
+      ind = array_expand_index (entry, subp, sublen);
       bind_array_element (entry, ind, value, aflags);
     }
 #endif
   else if (entry == 0)
     {
-      entry = make_new_variable (name, table);
+      entry = make_new_variable ((char*)name, table);
       var_setvalue (entry, make_variable_value (entry, value, 0)); /* XXX */
     }
   else if (entry->assign_func)	/* array vars have assign functions now */
@@ -4679,6 +4679,8 @@ static struct name_and_function special_
   { "COMP_WORDBREAKS", sv_comp_wordbreaks },
 #endif
 
+  { "EXECIGNORE", sv_execignore },
+
   { "FUNCNEST", sv_funcnest },
 
   { "GLOBIGNORE", sv_globignore },
@@ -4877,6 +4879,13 @@ sv_globignore (name)
     setup_glob_ignore (name);
 }
 
+/* What to do when EXECIGNORE changes. */
+void
+sv_execignore (char *name)
+{
+  setup_exec_ignore (name);
+}
+
 #if defined (READLINE)
 void
 sv_comp_wordbreaks (name)
@@ -4950,7 +4959,7 @@ sv_winsize (name)
 /* Update the value of HOME in the export environment so tilde expansion will
    work on cygwin. */
 #if defined (__CYGWIN__)
-sv_home (name)
+void sv_home (name)
      char *name;
 {
   array_needs_making = 1;
--- variables.h	2014-01-08 13:33:29.000000000 -0700
+++ variables.h	2015-02-06 17:14:11.078059300 -0700
@@ -372,6 +372,7 @@ extern void sv_ifs __P((char *));
 extern void sv_path __P((char *));
 extern void sv_mail __P((char *));
 extern void sv_funcnest __P((char *));
+extern void sv_execignore __P((char *));
 extern void sv_globignore __P((char *));
 extern void sv_ignoreeof __P((char *));
 extern void sv_strict_posix __P((char *));