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nixpkgs/pkgs/shells/bash/cygwin-bash-4.4.11-2.src.patch
2018-04-25 19:50:54 +00:00

608 lines
20 KiB
Diff

--- bashline.c 2017-01-23 13:28:06.955247200 -0600
+++ bashline.c 2017-01-23 13:55:07.992877600 -0600
@@ -76,6 +76,16 @@
# 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
@@ -271,6 +281,11 @@ 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;
@@ -498,11 +513,12 @@ 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);
@@ -521,7 +537,8 @@ 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);
@@ -544,7 +561,8 @@ 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. */
@@ -2194,6 +2212,21 @@ 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);
@@ -2929,6 +2962,17 @@ test_for_directory (name)
int r;
fn = bash_tilde_expand (name, 0);
+#if __CYGWIN
+ /* stat("//server") can only be successful as a directory, but can take
+ seconds to time out on failure. It is much faster to assume that
+ "//server" is a valid name than it is to wait for a stat, even if it
+ gives false positives on bad names. */
+ if (fn[0] == '/' && fn[1] == '/' && ! strchr (&fn[2], '/'))
+ {
+ free (fn);
+ return 1;
+ }
+#endif
r = file_isdir (fn);
free (fn);
--- builtins/read.def 2017-01-23 13:28:07.017686500 -0600
+++ builtins/read.def 2017-01-23 13:55:07.992877600 -0600
@@ -85,7 +85,6 @@ $END
#ifdef __CYGWIN__
# include <fcntl.h>
-# include <io.h>
#endif
#include "../bashintl.h"
@@ -530,10 +529,6 @@ read_builtin (list)
fflush (stderr);
}
-#if defined (__CYGWIN__) && defined (O_TEXT)
- setmode (0, O_TEXT);
-#endif
-
ps2 = 0;
for (print_ps2 = eof = retval = 0;;)
{
@@ -664,6 +659,14 @@ read_builtin (list)
if (c == '\0' && delim != '\0')
continue; /* skip NUL bytes in input */
+#ifdef __CYGWIN__
+ {
+ extern igncr;
+ if (igncr && c == '\r' && delim != '\r')
+ continue; /* skip carriage return */
+ }
+#endif
+
if ((skip_ctlesc == 0 && c == CTLESC) || (skip_ctlnul == 0 && c == CTLNUL))
{
saw_escape++;
--- builtins/set.def 2016-06-02 19:10:10.000000000 -0500
+++ builtins/set.def 2017-01-23 13:55:07.992877600 -0600
@@ -56,6 +56,13 @@ extern int dont_save_function_defs;
#if defined (READLINE)
extern int no_line_editing;
#endif /* READLINE */
+#ifdef __CYGWIN__
+extern int igncr;
+static int set_minus_o_option_maybe (int, const char *, int);
+# define INTERACTIVE_ONLY ,1
+#else
+# define INTERACTIVE_ONLY
+#endif
$BUILTIN set
$FUNCTION set_builtin
@@ -92,6 +99,9 @@ Options:
#if defined (HISTORY)
history enable command history
#endif
+#ifdef __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
@@ -192,29 +202,39 @@ const struct {
int *variable;
setopt_set_func_t *set_func;
setopt_get_func_t *get_func;
+#ifdef __CYGWIN__
+ /* Cygwin users have taken to exporting SHELLOPTS for the cygwin-specific
+ igncr. As a result, we want to ensure SHELLOPTS parsing does not turn
+ on interactive options when exported from an interactive shell, but
+ parse in a non-interactive setting, so as not to break POSIX /bin/sh */
+ int interactive_only;
+#endif
} 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
+#ifdef __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 },
@@ -233,7 +253,7 @@ 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 },
@@ -455,6 +475,15 @@ int
set_minus_o_option (on_or_off, option_name)
int on_or_off;
char *option_name;
+#ifdef __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;
@@ -462,6 +491,10 @@ set_minus_o_option (on_or_off, option_na
{
if (STREQ (option_name, o_options[i].name))
{
+#ifdef __CYGWIN__
+ if (o_options[i].interactive_only && avoid_interactive)
+ return EXECUTION_SUCCESS;
+#endif
if (o_options[i].letter == 0)
{
previous_option_value = GET_BINARY_O_OPTION_VALUE (i, o_options[i].name);
@@ -588,7 +621,11 @@ parse_shellopts (value)
vptr = 0;
while (vname = extract_colon_unit (value, &vptr))
{
+#ifdef __CYGWIN__
+ set_minus_o_option_maybe (FLAG_ON, vname, !interactive_shell);
+#else
set_minus_o_option (FLAG_ON, vname);
+#endif
free (vname);
}
}
--- builtins/shopt.def 2016-05-06 14:00:02.000000000 -0500
+++ builtins/shopt.def 2017-01-23 13:55:07.992877600 -0600
@@ -92,6 +92,10 @@ extern int glob_asciirange;
extern int lastpipe_opt;
extern int inherit_errexit;
+#ifdef __CYGWIN__
+extern int completion_strip_exe;
+#endif
+
#if defined (EXTENDED_GLOB)
extern int extended_glob;
#endif
@@ -169,6 +173,9 @@ static struct {
{ "compat41", &shopt_compat41, set_compatibility_level },
{ "compat42", &shopt_compat42, set_compatibility_level },
{ "compat43", &shopt_compat43, set_compatibility_level },
+#ifdef __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 2016-05-19 13:34:02.000000000 -0500
+++ config-top.h 2017-01-23 13:55:07.992877600 -0600
@@ -87,10 +87,10 @@
#define DEFAULT_BASHRC "~/.bashrc"
/* 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. */
@@ -100,7 +100,7 @@
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 2015-12-06 18:55:56.000000000 -0600
+++ doc/Makefile.in 2017-01-23 13:55:07.992877600 -0600
@@ -189,7 +189,7 @@ bashref.html: $(BASHREF_FILES) $(HSUSER)
$(MAKEINFO) --html --no-split -I$(TEXINPUTDIR) $(srcdir)/bashref.texi
bash.info: bashref.info
- ${SHELL} ${INFOPOST} < $(srcdir)/bashref.info > $@ ; \
+ ${SHELL} ${INFOPOST} < bashref.info > $@ ; \
bash.txt: bash.1
bash.ps: bash.1
@@ -252,9 +252,9 @@ install: info installdirs
-$(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 2016-08-26 08:45:17.000000000 -0500
+++ doc/bash.1 2017-01-23 13:55:08.008447700 -0600
@@ -9607,6 +9607,10 @@ filenames.
This variable is set by default, which is the default bash behavior in
versions through 4.2.
.TP 8
+.B completion_strip_exe
+If set, whenever bash sees \fIfoo.exe\fP during completion, it checks if
+\fIfoo\fP is the same file and strips the suffix.
+.TP 8
.B direxpand
If set,
.B bash
--- doc/bashref.texi 2016-09-07 16:13:36.000000000 -0500
+++ doc/bashref.texi 2017-01-23 13:55:08.008447700 -0600
@@ -5123,6 +5123,10 @@ 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 @file{foo.exe} during completion, it checks if
+@file{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
--- doc/builtins.1 2012-02-21 13:32:05.000000000 -0600
+++ doc/builtins.1 2017-01-23 13:55:08.008447700 -0600
@@ -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)
--- general.c 2016-08-11 10:16:56.000000000 -0500
+++ general.c 2017-01-23 13:55:08.008447700 -0600
@@ -48,6 +48,10 @@
#include <tilde/tilde.h>
+#ifdef __CYGWIN__
+# include <sys/cygwin.h>
+#endif
+
#if !defined (errno)
extern int errno;
#endif /* !errno */
@@ -718,7 +722,8 @@ 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
--- input.c 2015-09-24 18:49:23.000000000 -0500
+++ input.c 2017-01-23 13:55:08.008447700 -0600
@@ -44,6 +44,10 @@
#include "quit.h"
#include "trap.h"
+#ifdef __CYGWIN__
+int igncr;
+#endif
+
#if !defined (errno)
extern int errno;
#endif /* !errno */
@@ -561,6 +565,19 @@ buffered_getchar ()
{
CHECK_TERMSIG;
+#ifdef __CYGWIN__
+ /* shopt igncr discards carriage returns from the input stream.
+ If cr is the only character left in the buffer, recurse to pick
+ up the next byte; otherwise flatten the buffer. */
+ if (igncr)
+ {
+ int ch;
+ while ((ch = bufstream_getc (buffers[bash_input.location.buffered_fd]))
+ == '\r')
+ ;
+ return ch;
+ }
+#endif
#if !defined (DJGPP)
return (bufstream_getc (buffers[bash_input.location.buffered_fd]));
#else
--- lib/sh/pathphys.c 2013-05-28 14:33:58.000000000 -0500
+++ lib/sh/pathphys.c 2017-01-23 13:55:08.008447700 -0600
@@ -35,6 +35,7 @@
#include <stdio.h>
#include <chartypes.h>
#include <errno.h>
+#include <stdlib.h>
#include "shell.h"
@@ -76,6 +77,9 @@ sh_physpath (path, flags)
char *path;
int flags;
{
+#ifdef __CYGWIN__
+ return realpath (path, NULL);
+#endif
char tbuf[PATH_MAX+1], linkbuf[PATH_MAX+1];
char *result, *p, *q, *qsave, *qbase, *workpath;
int double_slash_path, linklen, nlink;
@@ -214,11 +218,7 @@ 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;
--- lib/sh/tmpfile.c 2016-08-11 10:05:58.000000000 -0500
+++ lib/sh/tmpfile.c 2017-01-23 13:55:08.008447700 -0600
@@ -101,7 +101,7 @@ 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)
--- mksyntax.c 2012-07-29 18:48:38.000000000 -0500
+++ mksyntax.c 2017-01-23 13:55:08.008447700 -0600
@@ -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 2016-09-11 10:31:46.000000000 -0500
+++ parse.y 2017-01-23 13:55:08.008447700 -0600
@@ -1539,14 +1539,20 @@ 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;
+#ifdef __CYGWIN__
+ {
+ extern int igncr;
+ if (igncr && c == '\r')
+ continue;
+ }
+#endif
return (c);
}
- else
- return (EOF);
+ return (EOF);
}
static int
--- subst.c 2017-01-23 13:28:06.955247200 -0600
+++ subst.c 2017-01-23 13:55:08.008447700 -0600
@@ -43,6 +43,7 @@
#include "posixstat.h"
#include "bashintl.h"
+#define NEED_SH_SETLINEBUF_DECL
#include "shell.h"
#include "parser.h"
#include "flags.h"
@@ -5964,6 +5965,13 @@ read_comsub (fd, quoted, rflag)
#endif
continue;
}
+#ifdef __CYGWIN__
+ {
+ extern int igncr;
+ if (igncr && c == '\r')
+ continue;
+ }
+#endif
/* Add the character to ISTRING, possibly after resizing it. */
RESIZE_MALLOCED_BUFFER (istring, istring_index, 2, istring_size, DEFAULT_ARRAY_SIZE);
@@ -6088,6 +6096,28 @@ command_substitute (string, quoted)
goto error_exit;
}
+#ifdef __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 08:31:53.000000000 -0500
+++ support/bashversion.c 2017-01-23 13:55:08.024037200 -0600
@@ -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;
--- support/mkversion.sh 2008-08-13 07:25:57.000000000 -0500
+++ support/mkversion.sh 2017-01-23 13:55:08.024037200 -0600
@@ -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 2016-06-15 15:05:52.000000000 -0500
+++ variables.c 2017-01-23 13:55:08.024037200 -0600
@@ -5239,6 +5239,7 @@ sv_winsize (name)
/* Update the value of HOME in the export environment so tilde expansion will
work on cygwin. */
#if defined (__CYGWIN__)
+void
sv_home (name)
char *name;
{