From 0541c0dbcf96ff40bd80cb8359191dc0fa01d83d Mon Sep 17 00:00:00 2001
From: Junegunn Choi <junegunn.c@gmail.com>
Date: Tue, 18 Oct 2016 01:11:04 +0900
Subject: [PATCH] Use relative position instead of absolute distance for
 --tiebreak=end

Fix unintuitive result where `*fzf*/install` is ranked higher than
`fzf/src/fzf/*fzf*-linux_386` on --tiebreak=end.
---
 src/result.go   | 12 ++++++------
 test/test_go.rb |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/result.go b/src/result.go
index bc1deb4..347cf59 100644
--- a/src/result.go
+++ b/src/result.go
@@ -57,7 +57,7 @@ func buildResult(item *Item, offsets []Offset, score int, trimLen int) *Result {
 		case byLength:
 			// If offsets is empty, trimLen will be 0, but we don't care
 			val = util.AsUint16(trimLen)
-		case byBegin:
+		case byBegin, byEnd:
 			if validOffsetFound {
 				whitePrefixLen := 0
 				for idx := 0; idx < numChars; idx++ {
@@ -67,11 +67,11 @@ func buildResult(item *Item, offsets []Offset, score int, trimLen int) *Result {
 						break
 					}
 				}
-				val = util.AsUint16(minBegin - whitePrefixLen)
-			}
-		case byEnd:
-			if validOffsetFound {
-				val = util.AsUint16(1 + numChars - maxEnd)
+				if criterion == byBegin {
+					val = util.AsUint16(minBegin - whitePrefixLen)
+				} else {
+					val = util.AsUint16(math.MaxUint16 - math.MaxUint16*(maxEnd-whitePrefixLen)/trimLen)
+				}
 			}
 		}
 		result.rank.points[idx] = val
diff --git a/test/test_go.rb b/test/test_go.rb
index ff4b173..dd132d3 100644
--- a/test/test_go.rb
+++ b/test/test_go.rb
@@ -604,8 +604,8 @@ class TestGoFZF < TestBase
     ], `#{FZF} -fo --tiebreak=end < #{tempname}`.split($/)
 
     assert_equal [
-      '  xxxxoxxx',
       'xxxxxoxxx',
+      '  xxxxoxxx',
       'xxxxoxxxx',
       'xxxoxxxxxx',
       'xxoxxxxxxx',