From: Johannes Schindelin <johannes.schindelin@gmx.de>
Date: Tue, 15 Sep 2015 12:57:37 +0200
Subject: [PATCH] Always accept CR/LF in MSys2

Since we are running on Windows, we have to expect that at least some
files or input use DOS line endings, still.

It is okay, of course, to behave like Unix vim otherwise, e.g. to create
LF-only files by default.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
---
 src/scriptfile.c | 10 +++++-----
 src/fileio.c   |  2 +-
 src/quickfix.c |  2 +-
 4 files changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/scriptfile.c b/src/scriptfile.c
index 30f9e9d..c2d6e0f 100644
--- a/src/scriptfile.c
+++ b/src/scriptfile.c
@@ -1510,7 +1510,7 @@
     else if (is_vimrc == DOSO_GVIMRC)
 	vimrc_found(fname_exp, (char_u *)"MYGVIMRC");
 
-#ifdef USE_CRNL
+#if defined(__MSYS__) || defined(USE_CRNL)
     // If no automatic file format: Set default to CR-NL.
     if (*p_ffs == NUL)
 	cookie.fileformat = EOL_DOS;
@@ -1940,7 +1940,7 @@
     int			len;
     int			c;
     char_u		*buf;
-#ifdef USE_CRNL
+#if defined(__MSYS__) || defined(USE_CRNL)
     int			has_cr;		// CR-LF found
 #endif
     int			have_read = FALSE;
@@ -1975,7 +1975,7 @@
 		break;
 	    len = ga.ga_len + (int)STRLEN(buf + ga.ga_len);
 	}
-#ifdef USE_CRNL
+#if defined(__MSYS__) || defined(USE_CRNL)
 	// Ignore a trailing CTRL-Z, when in Dos mode.	Only recognize the
 	// CTRL-Z by its own, or after a NL.
 	if (	   (len == 1 || (len >= 2 && buf[len - 2] == '\n'))
@@ -1996,7 +1996,7 @@
 
 	if (len >= 1 && buf[len - 1] == '\n')	// remove trailing NL
 	{
-#ifdef USE_CRNL
+#if defined(__MSYS__) || defined(USE_CRNL)
 	    has_cr = (len >= 2 && buf[len - 2] == '\r');
 	    if (sp->fileformat == EOL_UNKNOWN)
 	    {
diff --git a/src/fileio.c b/src/fileio.c
index 0f3f148..016f15d 100644
--- a/src/fileio.c
+++ b/src/fileio.c
@@ -3024,7 +3024,7 @@ msg_add_fileformat(eol_type)
 	STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[mac]") : _("[mac format]"));
 	return TRUE;
     }
-#ifdef USE_CRNL
+#if defined(__MSYS__) || defined(USE_CRNL) || defined(USE_CR)
     if (eol_type == EOL_UNIX)
     {
 	STRCAT(IObuff, shortmess(SHM_TEXT) ? _("[unix]") : _("[unix format]"));
diff --git a/src/quickfix.c b/src/quickfix.c
index 7243a0c..3278bd7 100644
--- a/src/quickfix.c
+++ b/src/quickfix.c
@@ -882,7 +882,7 @@ qf_init_ext(qi, efile, buf, tv, errorformat, newlist, lnumfirst, lnumlast,
     if (state->linelen > 0 && state->linebuf[state->linelen - 1] == '\n')
     {
 	state->linebuf[state->linelen - 1] = NUL;
-#ifdef USE_CRNL
+#if defined(__MSYS__) || defined(USE_CRNL)
 	if (state->linelen > 1 && state->linebuf[state->linelen - 2] == '\r')
 	    state->linebuf[state->linelen - 2] = NUL;
 #endif
diff --git a/src/structs.h b/src/structs.h
--- a/src/structs.h
+++ b/src/structs.h
@@ -4442,7 +4442,7 @@
     int		source_from_buf;// TRUE if sourcing from current buffer
     int		buf_lnum;	// line number in the current buffer
     garray_T	buflines;	// lines in the current buffer
-#ifdef USE_CRNL
+#if defined(__MSYS__) || defined(USE_CRNL)
     int		fileformat;	// EOL_UNKNOWN, EOL_UNIX or EOL_DOS
     int		error;		// TRUE if LF found after CR-LF
 #endif
-- 
2.31.1