Ignore '\r' at the end of line in $GIT_DIR/config

Unfortunate people may have to use $GIT_DIR/config edited on
DOSsy machine on UNIXy machine.  Ignore '\r' immediately
followed by '\n'.

Signed-off-by: Junio C Hamano <junkio@cox.net>

diff --git a/config.c b/config.c
index 519fecf..e89bab2 100644 (file)
--- a/config.c
+++ b/config.c
@@ -13,6 +13,14 @@ static int get_next_char(void)
        c = '\n';
        if ((f = config_file) != NULL) {
                c = fgetc(f);
+               if (c == '\r') {
+                       /* DOS like systems */
+                       c = fgetc(f);
+                       if (c != '\n') {
+                               ungetc(c, f);
+                               c = '\r';
+                       }
+               }
                if (c == '\n')
                        config_linenr++;
                if (c == EOF) {