Merge remote branch 'ko/master' into HEAD

* ko/master: (366 commits)
  Update draft release notes to 1.6.6 before merging topics for -rc1
  Makefile: do not clean arm directory
  Add a notice that only certain functions can print color escape codes
  builtin-apply.c: pay attention to -p<n> when determining the name
  gitworkflows: Consistently back-quote git commands
  Explicitly truncate bswap operand to uint32_t
  t1200: fix a timing dependent error
  Documentation: update descriptions of revision options related to '--bisect'
  Enable support for IPv6 on MinGW
  Refactor winsock initialization into a separate function
  t/gitweb-lib: Split HTTP response with non-GNU sed
  pack-objects: split implications of --all-progress from progress activation
  instaweb: restart server if already running
  prune-packed: only show progress when stderr is a tty
  remote-curl.c: fix rpc_out()
  Protect scripted Porcelains from GREP_OPTIONS insanity
  mergetool--lib: simplify guess_merge_tool()
  strbuf_add_wrapped_text(): skip over colour codes
  t4014-format-patch: do not assume 'test' is available as non-builtin
  Fix over-simplified documentation for 'git log -z'
  ...

1 files changed, 15 insertions, 4 deletions

diff --git a/ws.c b/ws.c
index 59d0883c1f..760b5743fa 100644
--- a/ws.c
+++ b/ws.c
@@ -16,6 +16,8 @@ static struct whitespace_rule {
 	{ "space-before-tab", WS_SPACE_BEFORE_TAB, 0 },
 	{ "indent-with-non-tab", WS_INDENT_WITH_NON_TAB, 0 },
 	{ "cr-at-eol", WS_CR_AT_EOL, 1 },
+	{ "blank-at-eol", WS_BLANK_AT_EOL, 0 },
+	{ "blank-at-eof", WS_BLANK_AT_EOF, 0 },
 };
 
 unsigned parse_whitespace_rule(const char *string)
@@ -102,8 +104,17 @@ unsigned whitespace_rule(const char *pathname)
 char *whitespace_error_string(unsigned ws)
 {
 	struct strbuf err = STRBUF_INIT;
-	if (ws & WS_TRAILING_SPACE)
+	if ((ws & WS_TRAILING_SPACE) == WS_TRAILING_SPACE)
 		strbuf_addstr(&err, "trailing whitespace");
+	else {
+		if (ws & WS_BLANK_AT_EOL)
+			strbuf_addstr(&err, "trailing whitespace");
+		if (ws & WS_BLANK_AT_EOF) {
+			if (err.len)
+				strbuf_addstr(&err, ", ");
+			strbuf_addstr(&err, "new blank line at EOF");
+		}
+	}
 	if (ws & WS_SPACE_BEFORE_TAB) {
 		if (err.len)
 			strbuf_addstr(&err, ", ");
@@ -141,11 +152,11 @@ static unsigned ws_check_emit_1(const char *line, int len, unsigned ws_rule,
 	}
 
 	/* Check for trailing whitespace. */
-	if (ws_rule & WS_TRAILING_SPACE) {
+	if (ws_rule & WS_BLANK_AT_EOL) {
 		for (i = len - 1; i >= 0; i--) {
 			if (isspace(line[i])) {
 				trailing_whitespace = i;
-				result |= WS_TRAILING_SPACE;
+				result |= WS_BLANK_AT_EOL;
 			}
 			else
 				break;
@@ -261,7 +272,7 @@ int ws_fix_copy(char *dst, const char *src, int len, unsigned ws_rule, int *erro
 	/*
 	 * Strip trailing whitespace
 	 */
-	if (ws_rule & WS_TRAILING_SPACE) {
+	if (ws_rule & WS_BLANK_AT_EOL) {
 		if (0 < len && src[len - 1] == '\n') {
 			add_nl_to_tail = 1;
 			len--;