When the environment variable GIT_USE_LEVENSHTEIN is set, the rename
score is reduced by the Damerau-Levenshtein distance. This should
lead to a little more intuitive rename scores.
Signed-off-by: Johannes Schindelin <redacted>
---
I have this in my personal tree, but I did not really use it.
Maybe others want to play with it.
diffcore-rename.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/diffcore-rename.c b/diffcore-rename.c
index 168a95b..1f4b371 100644
--- a/diffcore-rename.c
+++ b/diffcore-rename.c
@@ -5,6 +5,7 @@
#include "diff.h"
#include "diffcore.h"
#include "hash.h"
+#include "levenshtein.h"
/* Table of rename/copy destinations */
@@ -187,7 +188,9 @@ static int estimate_similarity(struct diff_filespec *src,
if (!dst->size)
score = 0; /* should not happen */
else
- score = (int)(src_copied * MAX_SCORE / max_size);
+ score = (int)(src_copied * MAX_SCORE / max_size)
+ - (getenv("GIT_USE_LEVENSHTEIN") ?
+ levenshtein(src->path, dst->path, 1, 1, 1, 1) : 0);
return score;
}
--
1.6.1.rc3.224.g95ac9