* Copyright (c) 2006 Junio C Hamano
*/
#include "cache.h"
+#include "config.h"
#include "lockfile.h"
#include "color.h"
#include "commit.h"
#define DIFF_NO_INDEX_EXPLICIT 1
#define DIFF_NO_INDEX_IMPLICIT 2
-struct blobinfo {
- unsigned char sha1[20];
- const char *name;
- unsigned mode;
-};
-
static const char builtin_diff_usage[] =
"git diff [<options>] [<commit> [<commit>]] [--] [<path>...]";
+static const char *blob_path(struct object_array_entry *entry)
+{
+ return entry->path ? entry->path : entry->name;
+}
+
static void stuff_change(struct diff_options *opt,
unsigned old_mode, unsigned new_mode,
- const unsigned char *old_sha1,
- const unsigned char *new_sha1,
- int old_sha1_valid,
- int new_sha1_valid,
- const char *old_name,
- const char *new_name)
+ const struct object_id *old_oid,
+ const struct object_id *new_oid,
+ int old_oid_valid,
+ int new_oid_valid,
+ const char *old_path,
+ const char *new_path)
{
struct diff_filespec *one, *two;
- if (!is_null_sha1(old_sha1) && !is_null_sha1(new_sha1) &&
- !hashcmp(old_sha1, new_sha1) && (old_mode == new_mode))
+ if (!is_null_oid(old_oid) && !is_null_oid(new_oid) &&
+ !oidcmp(old_oid, new_oid) && (old_mode == new_mode))
return;
- if (DIFF_OPT_TST(opt, REVERSE_DIFF)) {
- unsigned tmp;
- const unsigned char *tmp_u;
- const char *tmp_c;
- tmp = old_mode; old_mode = new_mode; new_mode = tmp;
- tmp_u = old_sha1; old_sha1 = new_sha1; new_sha1 = tmp_u;
- tmp_c = old_name; old_name = new_name; new_name = tmp_c;
+ if (opt->flags.reverse_diff) {
+ SWAP(old_mode, new_mode);
+ SWAP(old_oid, new_oid);
+ SWAP(old_path, new_path);
}
if (opt->prefix &&
- (strncmp(old_name, opt->prefix, opt->prefix_length) ||
- strncmp(new_name, opt->prefix, opt->prefix_length)))
+ (strncmp(old_path, opt->prefix, opt->prefix_length) ||
+ strncmp(new_path, opt->prefix, opt->prefix_length)))
return;
- one = alloc_filespec(old_name);
- two = alloc_filespec(new_name);
- fill_filespec(one, old_sha1, old_sha1_valid, old_mode);
- fill_filespec(two, new_sha1, new_sha1_valid, new_mode);
+ one = alloc_filespec(old_path);
+ two = alloc_filespec(new_path);
+ fill_filespec(one, old_oid, old_oid_valid, old_mode);
+ fill_filespec(two, new_oid, new_oid_valid, new_mode);
diff_queue(&diff_queued_diff, one, two);
}
static int builtin_diff_b_f(struct rev_info *revs,
int argc, const char **argv,
- struct blobinfo *blob)
+ struct object_array_entry **blob)
{
/* Blob vs file in the working tree*/
struct stat st;
diff_set_mnemonic_prefix(&revs->diffopt, "o/", "w/");
- if (blob[0].mode == S_IFINVALID)
- blob[0].mode = canon_mode(st.st_mode);
+ if (blob[0]->mode == S_IFINVALID)
+ blob[0]->mode = canon_mode(st.st_mode);
stuff_change(&revs->diffopt,
- blob[0].mode, canon_mode(st.st_mode),
- blob[0].sha1, null_sha1,
+ blob[0]->mode, canon_mode(st.st_mode),
+ &blob[0]->item->oid, &null_oid,
1, 0,
- path, path);
+ blob[0]->path ? blob[0]->path : path,
+ path);
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
return 0;
static int builtin_diff_blobs(struct rev_info *revs,
int argc, const char **argv,
- struct blobinfo *blob)
+ struct object_array_entry **blob)
{
unsigned mode = canon_mode(S_IFREG | 0644);
if (argc > 1)
usage(builtin_diff_usage);
- if (blob[0].mode == S_IFINVALID)
- blob[0].mode = mode;
+ if (blob[0]->mode == S_IFINVALID)
+ blob[0]->mode = mode;
- if (blob[1].mode == S_IFINVALID)
- blob[1].mode = mode;
+ if (blob[1]->mode == S_IFINVALID)
+ blob[1]->mode = mode;
stuff_change(&revs->diffopt,
- blob[0].mode, blob[1].mode,
- blob[0].sha1, blob[1].sha1,
+ blob[0]->mode, blob[1]->mode,
+ &blob[0]->item->oid, &blob[1]->item->oid,
1, 1,
- blob[0].name, blob[1].name);
+ blob_path(blob[0]), blob_path(blob[1]));
diffcore_std(&revs->diffopt);
diff_flush(&revs->diffopt);
return 0;
struct object_array_entry *ent0,
struct object_array_entry *ent1)
{
- const unsigned char *(sha1[2]);
+ const struct object_id *(oid[2]);
int swap = 0;
if (argc > 1)
*/
if (ent1->item->flags & UNINTERESTING)
swap = 1;
- sha1[swap] = ent0->item->oid.hash;
- sha1[1 - swap] = ent1->item->oid.hash;
- diff_tree_sha1(sha1[0], sha1[1], "", &revs->diffopt);
+ oid[swap] = &ent0->item->oid;
+ oid[1 - swap] = &ent1->item->oid;
+ diff_tree_oid(oid[0], oid[1], "", &revs->diffopt);
log_tree_diff_flush(revs);
return 0;
}
struct object_array_entry *ent,
int ents)
{
- struct sha1_array parents = SHA1_ARRAY_INIT;
+ struct oid_array parents = OID_ARRAY_INIT;
int i;
if (argc > 1)
if (!revs->dense_combined_merges && !revs->combine_merges)
revs->dense_combined_merges = revs->combine_merges = 1;
for (i = 1; i < ents; i++)
- sha1_array_append(&parents, ent[i].item->oid.hash);
- diff_tree_combined(ent[0].item->oid.hash, &parents,
+ oid_array_append(&parents, &ent[i].item->oid);
+ diff_tree_combined(&ent[0].item->oid, &parents,
revs->dense_combined_merges, revs);
- sha1_array_clear(&parents);
+ oid_array_clear(&parents);
return 0;
}
static void refresh_index_quietly(void)
{
- struct lock_file *lock_file;
+ struct lock_file lock_file = LOCK_INIT;
int fd;
- lock_file = xcalloc(1, sizeof(struct lock_file));
- fd = hold_locked_index(lock_file, 0);
+ fd = hold_locked_index(&lock_file, 0);
if (fd < 0)
return;
discard_cache();
read_cache();
refresh_cache(REFRESH_QUIET|REFRESH_UNMERGED);
- update_index_if_able(&the_index, lock_file);
+ update_index_if_able(&the_index, &lock_file);
}
static int builtin_diff_files(struct rev_info *revs, int argc, const char **argv)
struct rev_info rev;
struct object_array ent = OBJECT_ARRAY_INIT;
int blobs = 0, paths = 0;
- struct blobinfo blob[2];
+ struct object_array_entry *blob[2];
int nongit = 0, no_index = 0;
int result = 0;
no_index = DIFF_NO_INDEX_IMPLICIT;
}
- if (!no_index)
- gitmodules_config();
init_diff_ui_defaults();
git_config(git_diff_ui_config, NULL);
precompose_argv(argc, argv);
rev.diffopt.stat_graph_width = -1;
/* Default to let external and textconv be used */
- DIFF_OPT_SET(&rev.diffopt, ALLOW_EXTERNAL);
- DIFF_OPT_SET(&rev.diffopt, ALLOW_TEXTCONV);
+ rev.diffopt.flags.allow_external = 1;
+ rev.diffopt.flags.allow_textconv = 1;
+
+ /*
+ * Default to intent-to-add entries invisible in the
+ * index. This makes them show up as new files in diff-files
+ * and not at all in diff-cached.
+ */
+ rev.diffopt.ita_invisible_in_index = 1;
if (nongit)
die(_("Not a git repository"));
diff_setup_done(&rev.diffopt);
}
- DIFF_OPT_SET(&rev.diffopt, RECURSIVE);
+ rev.diffopt.flags.recursive = 1;
setup_diff_pager(&rev.diffopt);
add_head_to_pending(&rev);
if (!rev.pending.nr) {
struct tree *tree;
- tree = lookup_tree(EMPTY_TREE_SHA1_BIN);
+ tree = lookup_tree(the_hash_algo->empty_tree);
add_pending_object(&rev, &tree->object, "HEAD");
}
break;
const char *name = entry->name;
int flags = (obj->flags & UNINTERESTING);
if (!obj->parsed)
- obj = parse_object(obj->oid.hash);
+ obj = parse_object(&obj->oid);
obj = deref_tag(obj, NULL, 0);
if (!obj)
die(_("invalid object '%s' given."), name);
if (obj->type == OBJ_COMMIT)
- obj = &((struct commit *)obj)->tree->object;
+ obj = &get_commit_tree(((struct commit *)obj))->object;
if (obj->type == OBJ_TREE) {
obj->flags |= flags;
} else if (obj->type == OBJ_BLOB) {
if (2 <= blobs)
die(_("more than two blobs given: '%s'"), name);
- hashcpy(blob[blobs].sha1, obj->oid.hash);
- blob[blobs].name = name;
- blob[blobs].mode = entry->mode;
+ blob[blobs] = entry;
blobs++;
} else {
result = diff_result_code(&rev.diffopt, result);
if (1 < rev.diffopt.skip_stat_unmatch)
refresh_index_quietly();
+ UNLEAK(rev);
+ UNLEAK(ent);
+ UNLEAK(blob);
return result;
}