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[RFC PATCH 1/3] diff: avoid redundantly clearing a flag




No code in diff.c sets DIFF_SYMBOL_MOVED_LINE except in
mark_color_as_moved(), so it is redundant to clear it for the current
line. Therefore, clear it only for previous lines.

This makes a refactoring in a subsequent patch easier.

Signed-off-by: Jonathan Tan <jonathantanmy@xxxxxxxxxx>
---
 diff.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/diff.c b/diff.c
index f84346b47..4965ffbc4 100644
--- a/diff.c
+++ b/diff.c
@@ -895,7 +895,7 @@ static void mark_color_as_moved(struct diff_options *o,
 		if (!match) {
 			if (block_length < COLOR_MOVED_MIN_BLOCK_LENGTH &&
 			    o->color_moved != COLOR_MOVED_PLAIN) {
-				for (i = 0; i < block_length + 1; i++) {
+				for (i = 1; i < block_length + 1; i++) {
 					l = &o->emitted_symbols->buf[n - i];
 					l->flags &= ~DIFF_SYMBOL_MOVED_LINE;
 				}
-- 
2.14.0.434.g98096fd7a8-goog