Merge branch 'jc/strbuf-getline'

The preliminary clean-up for jc/peace-with-crlf topic.

* jc/strbuf-getline:
  strbuf: give strbuf_getline() to the "most text friendly" variant
  checkout-index: there are only two possible line terminations
  update-index: there are only two possible line terminations
  check-ignore: there are only two possible line terminations
  check-attr: there are only two possible line terminations
  mktree: there are only two possible line terminations
  strbuf: introduce strbuf_getline_{lf,nul}()
  strbuf: make strbuf_getline_crlf() global
  strbuf: miniscule style fix

builtin/clone.c

@@ -339,7 +339,7 @@ static void copy_alternates(struct strbuf *src, struct strbuf *dst,
 	FILE *in = fopen(src->buf, "r");
 	struct strbuf line = STRBUF_INIT;
 
-	while (strbuf_getline(&line, in, '\n') != EOF) {
+	while (strbuf_getline_lf(&line, in) != EOF) {
 		char *abs_path;
 		if (!line.len || line.buf[0] == '#')
 			continue;