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Diffstat (limited to 'builtin/diff.c')
-rw-r--r--builtin/diff.c75
1 files changed, 38 insertions, 37 deletions
diff --git a/builtin/diff.c b/builtin/diff.c
index 8c2af6cb43..2fb8c5dc0b 100644
--- a/builtin/diff.c
+++ b/builtin/diff.c
@@ -140,7 +140,7 @@ static int builtin_diff_index(struct rev_info *revs,
usage(builtin_diff_usage);
if (!cached) {
setup_work_tree();
- if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
+ if (read_cache_preload(&revs->diffopt.pathspec) < 0) {
perror("read_cache_preload");
return -1;
}
@@ -153,7 +153,8 @@ static int builtin_diff_index(struct rev_info *revs,
static int builtin_diff_tree(struct rev_info *revs,
int argc, const char **argv,
- struct object_array_entry *ent)
+ struct object_array_entry *ent0,
+ struct object_array_entry *ent1)
{
const unsigned char *(sha1[2]);
int swap = 0;
@@ -161,13 +162,14 @@ static int builtin_diff_tree(struct rev_info *revs,
if (argc > 1)
usage(builtin_diff_usage);
- /* We saw two trees, ent[0] and ent[1].
- * if ent[1] is uninteresting, they are swapped
+ /*
+ * We saw two trees, ent0 and ent1. If ent1 is uninteresting,
+ * swap them.
*/
- if (ent[1].item->flags & UNINTERESTING)
+ if (ent1->item->flags & UNINTERESTING)
swap = 1;
- sha1[swap] = ent[0].item->sha1;
- sha1[1-swap] = ent[1].item->sha1;
+ sha1[swap] = ent0->item->sha1;
+ sha1[1-swap] = ent1->item->sha1;
diff_tree_sha1(sha1[0], sha1[1], "", &revs->diffopt);
log_tree_diff_flush(revs);
return 0;
@@ -240,7 +242,7 @@ static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv
revs->combine_merges = revs->dense_combined_merges = 1;
setup_work_tree();
- if (read_cache_preload(revs->diffopt.pathspec.raw) < 0) {
+ if (read_cache_preload(&revs->diffopt.pathspec) < 0) {
perror("read_cache_preload");
return -1;
}
@@ -251,8 +253,8 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
{
int i;
struct rev_info rev;
- struct object_array_entry ent[100];
- int ents = 0, blobs = 0, paths = 0;
+ struct object_array ent = OBJECT_ARRAY_INIT;
+ int blobs = 0, paths = 0;
const char *path = NULL;
struct blobinfo blob[2];
int nongit;
@@ -337,9 +339,9 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
}
for (i = 0; i < rev.pending.nr; i++) {
- struct object_array_entry *list = rev.pending.objects+i;
- struct object *obj = list->item;
- const char *name = list->name;
+ struct object_array_entry *entry = &rev.pending.objects[i];
+ struct object *obj = entry->item;
+ const char *name = entry->name;
int flags = (obj->flags & UNINTERESTING);
if (!obj->parsed)
obj = parse_object(obj->sha1);
@@ -348,29 +350,25 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
die(_("invalid object '%s' given."), name);
if (obj->type == OBJ_COMMIT)
obj = &((struct commit *)obj)->tree->object;
+
if (obj->type == OBJ_TREE) {
- if (ARRAY_SIZE(ent) <= ents)
- die(_("more than %d trees given: '%s'"),
- (int) ARRAY_SIZE(ent), name);
obj->flags |= flags;
- ent[ents].item = obj;
- ent[ents].name = name;
- ents++;
- continue;
- }
- if (obj->type == OBJ_BLOB) {
+ add_object_array(obj, name, &ent);
+ } else if (obj->type == OBJ_BLOB) {
if (2 <= blobs)
die(_("more than two blobs given: '%s'"), name);
hashcpy(blob[blobs].sha1, obj->sha1);
blob[blobs].name = name;
- blob[blobs].mode = list->mode;
+ blob[blobs].mode = entry->mode;
blobs++;
- continue;
+ } else {
+ die(_("unhandled object '%s' given."), name);
}
- die(_("unhandled object '%s' given."), name);
}
if (rev.prune_data.nr) {
+ /* builtin_diff_b_f() */
+ GUARD_PATHSPEC(&rev.prune_data, PATHSPEC_FROMTOP | PATHSPEC_LITERAL);
if (!path)
path = rev.prune_data.items[0].match;
paths += rev.prune_data.nr;
@@ -379,7 +377,7 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
/*
* Now, do the arguments look reasonable?
*/
- if (!ents) {
+ if (!ent.nr) {
switch (blobs) {
case 0:
result = builtin_diff_files(&rev, argc, argv);
@@ -400,23 +398,26 @@ int cmd_diff(int argc, const char **argv, const char *prefix)
}
else if (blobs)
usage(builtin_diff_usage);
- else if (ents == 1)
+ else if (ent.nr == 1)
result = builtin_diff_index(&rev, argc, argv);
- else if (ents == 2)
- result = builtin_diff_tree(&rev, argc, argv, ent);
- else if (ent[0].item->flags & UNINTERESTING) {
+ else if (ent.nr == 2)
+ result = builtin_diff_tree(&rev, argc, argv,
+ &ent.objects[0], &ent.objects[1]);
+ else if (ent.objects[0].item->flags & UNINTERESTING) {
/*
* diff A...B where there is at least one merge base
- * between A and B. We have ent[0] == merge-base,
- * ent[ents-2] == A, and ent[ents-1] == B. Show diff
- * between the base and B. Note that we pick one
- * merge base at random if there are more than one.
+ * between A and B. We have ent.objects[0] ==
+ * merge-base, ent.objects[ents-2] == A, and
+ * ent.objects[ents-1] == B. Show diff between the
+ * base and B. Note that we pick one merge base at
+ * random if there are more than one.
*/
- ent[1] = ent[ents-1];
- result = builtin_diff_tree(&rev, argc, argv, ent);
+ result = builtin_diff_tree(&rev, argc, argv,
+ &ent.objects[0],
+ &ent.objects[ent.nr-1]);
} else
result = builtin_diff_combined(&rev, argc, argv,
- ent, ents);
+ ent.objects, ent.nr);
result = diff_result_code(&rev.diffopt, result);
if (1 < rev.diffopt.skip_stat_unmatch)
refresh_index_quietly();