Function crlf_to_git

convert.c:503–590

}

static int crlf_to_git(struct index_state *istate,
		       const char *path, const char *src, size_t len,
		       struct strbuf *buf,
		       enum convert_crlf_action crlf_action, int conv_flags)
{
	struct text_stat stats;
	char *dst;
	int convert_crlf_into_lf;

	if (crlf_action == CRLF_BINARY ||
	    (src && !len))
		return 0;

	/*
	 * If we are doing a dry-run and have no source buffer, there is
	 * nothing to analyze; we must assume we would convert.
	 */
	if (!buf && !src)
		return 1;

	gather_stats(src, len, &stats);
	/* Optimization: No CRLF? Nothing to convert, regardless. */
	convert_crlf_into_lf = !!stats.crlf;

	if (crlf_action == CRLF_AUTO || crlf_action == CRLF_AUTO_INPUT || crlf_action == CRLF_AUTO_CRLF) {
		if (convert_is_binary(&stats))
			return 0;
		/*
		 * If the file in the index has any CR in it, do not
		 * convert.  This is the new safer autocrlf handling,
		 * unless we want to renormalize in a merge or
		 * cherry-pick.
		 */
		if ((!(conv_flags & CONV_EOL_RENORMALIZE)) &&
		    has_crlf_in_index(istate, path))
			convert_crlf_into_lf = 0;
	}
	if (((conv_flags & CONV_EOL_RNDTRP_WARN) ||
	     ((conv_flags & CONV_EOL_RNDTRP_DIE) && len))) {
		struct text_stat new_stats;
		memcpy(&new_stats, &stats, sizeof(new_stats));
		/* simulate "git add" */
		if (convert_crlf_into_lf) {
			new_stats.lonelf += new_stats.crlf;
			new_stats.crlf = 0;
		}
		/* simulate "git checkout" */
		if (will_convert_lf_to_crlf(&new_stats, crlf_action)) {
			new_stats.crlf += new_stats.lonelf;
			new_stats.lonelf = 0;
		}
		check_global_conv_flags_eol(path, &stats, &new_stats, conv_flags);
	}
	if (!convert_crlf_into_lf)
		return 0;

	/*
	 * At this point all of our source analysis is done, and we are sure we