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-rw-r--r--diffcore-pickaxe.c65
1 files changed, 44 insertions, 21 deletions
diff --git a/diffcore-pickaxe.c b/diffcore-pickaxe.c
index ed23eb4..b097fa7 100644
--- a/diffcore-pickaxe.c
+++ b/diffcore-pickaxe.c
@@ -104,10 +104,10 @@ static int diff_grep(struct diff_filepair *p, struct diff_options *o,
if (!mf2.ptr)
return 0; /* ignore unmerged */
/* created "two" -- does it have what we are looking for? */
- hit = !regexec(regexp, p->two->data, 1, &regmatch, 0);
+ hit = !regexec(regexp, mf2.ptr, 1, &regmatch, 0);
} else if (!mf2.ptr) {
/* removed "one" -- did it have what we are looking for? */
- hit = !regexec(regexp, p->one->data, 1, &regmatch, 0);
+ hit = !regexec(regexp, mf1.ptr, 1, &regmatch, 0);
} else {
/*
* We have both sides; need to run textual diff and see if
@@ -157,19 +157,15 @@ static void diffcore_pickaxe_grep(struct diff_options *o)
return;
}
-static unsigned int contains(struct diff_filespec *one, struct diff_options *o,
+static unsigned int contains(mmfile_t *mf, struct diff_options *o,
regex_t *regexp, kwset_t kws)
{
unsigned int cnt;
unsigned long sz;
const char *data;
- if (!o->pickaxe[0])
- return 0;
- if (diff_populate_filespec(one, 0))
- return 0;
- sz = one->size;
- data = one->data;
+ sz = mf->size;
+ data = mf->ptr;
cnt = 0;
if (regexp) {
@@ -199,26 +195,53 @@ static unsigned int contains(struct diff_filespec *one, struct diff_options *o,
cnt++;
}
}
- diff_free_filespec_data(one);
return cnt;
}
static int has_changes(struct diff_filepair *p, struct diff_options *o,
regex_t *regexp, kwset_t kws)
{
- if (!DIFF_FILE_VALID(p->one)) {
- if (!DIFF_FILE_VALID(p->two))
- return 0; /* ignore unmerged */
+ struct userdiff_driver *textconv_one = get_textconv(p->one);
+ struct userdiff_driver *textconv_two = get_textconv(p->two);
+ mmfile_t mf1, mf2;
+ int ret;
+
+ if (!o->pickaxe[0])
+ return 0;
+
+ /*
+ * If we have an unmodified pair, we know that the count will be the
+ * same and don't even have to load the blobs. Unless textconv is in
+ * play, _and_ we are using two different textconv filters (e.g.,
+ * because a pair is an exact rename with different textconv attributes
+ * for each side, which might generate different content).
+ */
+ if (textconv_one == textconv_two && diff_unmodified_pair(p))
+ return 0;
+
+ fill_one(p->one, &mf1, &textconv_one);
+ fill_one(p->two, &mf2, &textconv_two);
+
+ if (!mf1.ptr) {
+ if (!mf2.ptr)
+ ret = 0; /* ignore unmerged */
/* created */
- return contains(p->two, o, regexp, kws) != 0;
- }
- if (!DIFF_FILE_VALID(p->two))
- return contains(p->one, o, regexp, kws) != 0;
- if (!diff_unmodified_pair(p)) {
- return contains(p->one, o, regexp, kws) !=
- contains(p->two, o, regexp, kws);
+ ret = contains(&mf2, o, regexp, kws) != 0;
}
- return 0;
+ else if (!mf2.ptr) /* removed */
+ ret = contains(&mf1, o, regexp, kws) != 0;
+ else
+ ret = contains(&mf1, o, regexp, kws) !=
+ contains(&mf2, o, regexp, kws);
+
+ if (textconv_one)
+ free(mf1.ptr);
+ if (textconv_two)
+ free(mf2.ptr);
+ diff_free_filespec_data(p->one);
+ diff_free_filespec_data(p->two);
+
+ return ret;
}
static void diffcore_pickaxe_count(struct diff_options *o)