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authorPierre-Olivier Latour <pol@mac.com>2015-06-05 18:26:49 -0700
committerEdward Thomson <ethomson@edwardthomson.com>2015-06-26 02:00:21 -0400
commitc2e1b0581ada8453447bdeaacca92d972d83b1a8 (patch)
treea0fa85c94a4adad6623f67562a92d95d80295466
parent619423f238b2c782173d1cf83864cbd1219ab6a7 (diff)
downloadlibgit2-c2e1b0581ada8453447bdeaacca92d972d83b1a8.tar.gz
Only write index if updated when passing GIT_DIFF_UPDATE_INDEX
When diffing the index with the workdir and GIT_DIFF_UPDATE_INDEX has been passed, the previous implementation was always writing the index to disk even if it wasn't modified.
-rw-r--r--src/diff.c6
-rw-r--r--src/diff.h1
2 files changed, 5 insertions, 2 deletions
diff --git a/src/diff.c b/src/diff.c
index 12d34a184..c1adcc662 100644
--- a/src/diff.c
+++ b/src/diff.c
@@ -664,8 +664,10 @@ int git_diff__oid_for_entry(
updated_entry.mode = mode;
git_oid_cpy(&updated_entry.id, out);
- if (!(error = git_repository_index__weakptr(&idx, diff->repo)))
+ if (!(error = git_repository_index__weakptr(&idx, diff->repo))) {
error = git_index_add(idx, &updated_entry);
+ diff->index_updated = true;
+ }
}
git_buf_free(&full_path);
@@ -1360,7 +1362,7 @@ int git_diff_index_to_workdir(
&b, repo, index, NULL, GIT_ITERATOR_DONT_AUTOEXPAND, pfx, pfx)
);
- if (!error && DIFF_FLAG_IS_SET(*diff, GIT_DIFF_UPDATE_INDEX))
+ if (!error && DIFF_FLAG_IS_SET(*diff, GIT_DIFF_UPDATE_INDEX) && (*diff)->index_updated)
error = git_index_write(index);
return error;
diff --git a/src/diff.h b/src/diff.h
index a202a086c..2dfc2c615 100644
--- a/src/diff.h
+++ b/src/diff.h
@@ -64,6 +64,7 @@ struct git_diff {
git_iterator_type_t new_src;
uint32_t diffcaps;
git_diff_perfdata perf;
+ bool index_updated;
int (*strcomp)(const char *, const char *);
int (*strncomp)(const char *, const char *, size_t);