return 0;
}
+static char *pprint_rename(const char *a, const char *b)
+{
+ const char *old = a;
+ const char *new = b;
+ char *name = NULL;
+ int pfx_length, sfx_length;
+ int len_a = strlen(a);
+ int len_b = strlen(b);
+
+ /* Find common prefix */
+ pfx_length = 0;
+ while (*old && *new && *old == *new) {
+ if (*old == '/')
+ pfx_length = old - a + 1;
+ old++;
+ new++;
+ }
+
+ /* Find common suffix */
+ old = a + len_a;
+ new = b + len_b;
+ sfx_length = 0;
+ while (a <= old && b <= new && *old == *new) {
+ if (*old == '/')
+ sfx_length = len_a - (old - a);
+ old--;
+ new--;
+ }
+
+ /*
+ * pfx{mid-a => mid-b}sfx
+ * {pfx-a => pfx-b}sfx
+ * pfx{sfx-a => sfx-b}
+ * name-a => name-b
+ */
+ if (pfx_length + sfx_length) {
+ name = xmalloc(len_a + len_b - pfx_length - sfx_length + 7);
+ sprintf(name, "%.*s{%.*s => %.*s}%s",
+ pfx_length, a,
+ len_a - pfx_length - sfx_length, a + pfx_length,
+ len_b - pfx_length - sfx_length, b + pfx_length,
+ a + len_a - sfx_length);
+ }
+ else {
+ name = xmalloc(len_a + len_b + 5);
+ sprintf(name, "%s => %s", a, b);
+ }
+ return name;
+}
+
struct diffstat_t {
struct xdiff_emit_state xm;
char *name;
unsigned is_unmerged:1;
unsigned is_binary:1;
+ unsigned is_renamed:1;
unsigned int added, deleted;
} **files;
};
static struct diffstat_file *diffstat_add(struct diffstat_t *diffstat,
- const char *name)
+ const char *name_a,
+ const char *name_b)
{
struct diffstat_file *x;
x = xcalloc(sizeof (*x), 1);
diffstat->alloc * sizeof(x));
}
diffstat->files[diffstat->nr++] = x;
- x->name = strdup(name);
+ if (name_b) {
+ x->name = pprint_rename(name_a, name_b);
+ x->is_renamed = 1;
+ }
+ else
+ x->name = strdup(name_a);
return x;
}
static void show_stats(struct diffstat_t* data)
{
- char *prefix = "";
int i, len, add, del, total, adds = 0, dels = 0;
int max, max_change = 0, max_len = 0;
int total_files = data->nr;
}
for (i = 0; i < data->nr; i++) {
+ char *prefix = "";
char *name = data->files[i]->name;
int added = data->files[i]->added;
int deleted = data->files[i]->deleted;
printf(" %s%-*s | Unmerged\n", prefix, len, name);
goto free_diffstat_file;
}
- else if (added + deleted == 0) {
+ else if (!data->files[i]->is_renamed &&
+ (added + deleted == 0)) {
total_files--;
goto free_diffstat_file;
}
}
static void builtin_diffstat(const char *name_a, const char *name_b,
- struct diff_filespec *one, struct diff_filespec *two,
- struct diffstat_t *diffstat)
+ struct diff_filespec *one,
+ struct diff_filespec *two,
+ struct diffstat_t *diffstat,
+ int complete_rewrite)
{
mmfile_t mf1, mf2;
struct diffstat_file *data;
- data = diffstat_add(diffstat, name_a ? name_a : name_b);
+ data = diffstat_add(diffstat, name_a, name_b);
if (!one || !two) {
data->is_unmerged = 1;
return;
}
-
+ if (complete_rewrite) {
+ diff_populate_filespec(one, 0);
+ diff_populate_filespec(two, 0);
+ data->deleted = count_lines(one->data, one->size);
+ data->added = count_lines(two->data, two->size);
+ return;
+ }
if (fill_mmfile(&mf1, one) < 0 || fill_mmfile(&mf2, two) < 0)
die("unable to read files to diff");
}
if (memcmp(one->sha1, two->sha1, 20)) {
- char one_sha1[41];
int abbrev = o->full_index ? 40 : DEFAULT_ABBREV;
- memcpy(one_sha1, sha1_to_hex(one->sha1), 41);
len += snprintf(msg + len, sizeof(msg) - len,
"index %.*s..%.*s",
- abbrev, one_sha1, abbrev,
- sha1_to_hex(two->sha1));
+ abbrev, sha1_to_hex(one->sha1),
+ abbrev, sha1_to_hex(two->sha1));
if (one->mode == two->mode)
len += snprintf(msg + len, sizeof(msg) - len,
" %06o", one->mode);
}
static void run_diffstat(struct diff_filepair *p, struct diff_options *o,
- struct diffstat_t *diffstat)
+ struct diffstat_t *diffstat)
{
const char *name;
const char *other;
+ int complete_rewrite = 0;
if (DIFF_PAIR_UNMERGED(p)) {
/* unmerged */
- builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat);
+ builtin_diffstat(p->one->path, NULL, NULL, NULL, diffstat, 0);
return;
}
diff_fill_sha1_info(p->one);
diff_fill_sha1_info(p->two);
- builtin_diffstat(name, other, p->one, p->two, diffstat);
+ if (p->status == DIFF_STATUS_MODIFIED && p->score)
+ complete_rewrite = 1;
+ builtin_diffstat(name, other, p->one, p->two, diffstat, complete_rewrite);
}
void diff_setup(struct diff_options *options)
* recursive bits for other formats here.
*/
if ((options->output_format == DIFF_FORMAT_PATCH) ||
- (options->output_format == DIFF_FORMAT_DIFFSTAT) ||
- (options->with_stat))
+ (options->output_format == DIFF_FORMAT_DIFFSTAT))
options->recursive = 1;
if (options->detect_rename && options->rename_limit < 0)
}
static void diff_flush_stat(struct diff_filepair *p, struct diff_options *o,
- struct diffstat_t *diffstat)
+ struct diffstat_t *diffstat)
{
if (diff_unmodified_pair(p))
return;
for (i = 0; i < q->nr; i++) {
struct diff_filepair *p = q->queue[i];
flush_one_pair(p, DIFF_FORMAT_DIFFSTAT, options,
- diffstat);
+ diffstat);
}
show_stats(diffstat);
free(diffstat);
add_object(obj, &revs->pending_objects, NULL, name);
}
-static struct commit *get_commit_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
+static struct object *get_reference(struct rev_info *revs, const char *name, const unsigned char *sha1, unsigned int flags)
{
struct object *object;
object = parse_object(sha1);
if (!object)
die("bad object %s", name);
+ object->flags |= flags;
+ return object;
+}
+
+static struct commit *handle_commit(struct rev_info *revs, struct object *object, const char *name)
+{
+ unsigned long flags = object->flags;
/*
* Tag object? Look what it points to..
*/
while (object->type == tag_type) {
struct tag *tag = (struct tag *) object;
- object->flags |= flags;
- if (revs->tag_objects && !(object->flags & UNINTERESTING))
+ if (revs->tag_objects && !(flags & UNINTERESTING))
add_pending_object(revs, object, tag->tag);
object = parse_object(tag->tagged->sha1);
if (!object)
*/
if (object->type == commit_type) {
struct commit *commit = (struct commit *)object;
- object->flags |= flags;
if (parse_commit(commit) < 0)
die("unable to parse commit %s", name);
if (flags & UNINTERESTING) {
+ commit->object.flags |= UNINTERESTING;
mark_parents_uninteresting(commit);
revs->limited = 1;
}
return REV_TREE_DIFFERENT;
tree_difference = REV_TREE_SAME;
if (diff_tree_sha1(t1->object.sha1, t2->object.sha1, "",
- &revs->diffopt) < 0)
+ &revs->pruning) < 0)
return REV_TREE_DIFFERENT;
return tree_difference;
}
empty.size = 0;
tree_difference = 0;
- retval = diff_tree(&empty, &real, "", &revs->diffopt);
+ retval = diff_tree(&empty, &real, "", &revs->pruning);
free(tree);
return retval >= 0 && !tree_difference;
if (revs->prune_fn)
revs->prune_fn(revs, commit);
+ if (revs->no_walk)
+ return;
+
parent = commit->parents;
while (parent) {
struct commit *p = parent->item;
revs->commits = newlist;
}
-static void add_one_commit(struct commit *commit, struct rev_info *revs)
-{
- if (!commit || (commit->object.flags & SEEN))
- return;
- commit->object.flags |= SEEN;
- commit_list_insert(commit, &revs->commits);
-}
-
static int all_flags;
static struct rev_info *all_revs;
static int handle_one_ref(const char *path, const unsigned char *sha1)
{
- struct commit *commit = get_commit_reference(all_revs, path, sha1, all_flags);
- add_one_commit(commit, all_revs);
+ struct object *object = get_reference(all_revs, path, sha1, all_flags);
+ add_pending_object(all_revs, object, "");
return 0;
}
for_each_ref(handle_one_ref);
}
+static int add_parents_only(struct rev_info *revs, const char *arg, int flags)
+{
+ unsigned char sha1[20];
+ struct object *it;
+ struct commit *commit;
+ struct commit_list *parents;
+
+ if (*arg == '^') {
+ flags ^= UNINTERESTING;
+ arg++;
+ }
+ if (get_sha1(arg, sha1))
+ return 0;
+ while (1) {
+ it = get_reference(revs, arg, sha1, 0);
+ if (strcmp(it->type, tag_type))
+ break;
+ memcpy(sha1, ((struct tag*)it)->tagged->sha1, 20);
+ }
+ if (strcmp(it->type, commit_type))
+ return 0;
+ commit = (struct commit *)it;
+ for (parents = commit->parents; parents; parents = parents->next) {
+ it = &parents->item->object;
+ it->flags |= flags;
+ add_pending_object(revs, it, arg);
+ }
+ return 1;
+}
+
void init_revisions(struct rev_info *revs)
{
memset(revs, 0, sizeof(*revs));
- revs->diffopt.recursive = 1;
- revs->diffopt.add_remove = file_add_remove;
- revs->diffopt.change = file_change;
+
+ revs->abbrev = DEFAULT_ABBREV;
+ revs->ignore_merges = 1;
+ revs->pruning.recursive = 1;
+ revs->pruning.add_remove = file_add_remove;
+ revs->pruning.change = file_change;
revs->lifo = 1;
revs->dense = 1;
revs->prefix = setup_git_directory();
revs->topo_setter = topo_sort_default_setter;
revs->topo_getter = topo_sort_default_getter;
+
+ revs->commit_format = CMIT_FMT_DEFAULT;
+
+ diff_setup(&revs->diffopt);
}
/*
const char **unrecognized = argv + 1;
int left = 1;
- init_revisions(revs);
-
/* First, search for "--" */
seen_dashdash = 0;
for (i = 1; i < argc; i++) {
flags = 0;
for (i = 1; i < argc; i++) {
- struct commit *commit;
+ struct object *object;
const char *arg = argv[i];
unsigned char sha1[20];
char *dotdot;
int local_flags;
if (*arg == '-') {
+ int opts;
if (!strncmp(arg, "--max-count=", 12)) {
revs->max_count = atoi(arg + 12);
continue;
revs->unpacked = 1;
continue;
}
+ if (!strcmp(arg, "-r")) {
+ revs->diff = 1;
+ revs->diffopt.recursive = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-t")) {
+ revs->diff = 1;
+ revs->diffopt.recursive = 1;
+ revs->diffopt.tree_in_recursive = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-m")) {
+ revs->ignore_merges = 0;
+ continue;
+ }
+ if (!strcmp(arg, "-c")) {
+ revs->diff = 1;
+ revs->dense_combined_merges = 0;
+ revs->combine_merges = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--cc")) {
+ revs->diff = 1;
+ revs->dense_combined_merges = 1;
+ revs->combine_merges = 1;
+ continue;
+ }
+ if (!strcmp(arg, "-v")) {
+ revs->verbose_header = 1;
+ continue;
+ }
+ if (!strncmp(arg, "--pretty", 8)) {
+ revs->verbose_header = 1;
+ revs->commit_format = get_commit_format(arg+8);
+ continue;
+ }
+ if (!strcmp(arg, "--root")) {
+ revs->show_root_diff = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--no-commit-id")) {
+ revs->no_commit_id = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--always")) {
+ revs->always_show_header = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--no-abbrev")) {
+ revs->abbrev = 0;
+ continue;
+ }
+ if (!strcmp(arg, "--abbrev")) {
+ revs->abbrev = DEFAULT_ABBREV;
+ continue;
+ }
+ if (!strcmp(arg, "--abbrev-commit")) {
+ revs->abbrev_commit = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--full-diff")) {
+ revs->diff = 1;
+ revs->full_diff = 1;
+ continue;
+ }
+ opts = diff_opt_parse(&revs->diffopt, argv+i, argc-i);
+ if (opts > 0) {
+ revs->diff = 1;
+ i += opts - 1;
+ continue;
+ }
*unrecognized++ = arg;
left++;
continue;
this = "HEAD";
if (!get_sha1(this, from_sha1) &&
!get_sha1(next, sha1)) {
- struct commit *exclude;
- struct commit *include;
+ struct object *exclude;
+ struct object *include;
- exclude = get_commit_reference(revs, this, from_sha1, flags ^ UNINTERESTING);
- include = get_commit_reference(revs, next, sha1, flags);
+ exclude = get_reference(revs, this, from_sha1, flags ^ UNINTERESTING);
+ include = get_reference(revs, next, sha1, flags);
if (!exclude || !include)
die("Invalid revision range %s..%s", arg, next);
- add_one_commit(exclude, revs);
- add_one_commit(include, revs);
+
+ if (!seen_dashdash) {
+ *dotdot = '.';
+ verify_non_filename(revs->prefix, arg);
+ }
+ add_pending_object(revs, exclude, this);
+ add_pending_object(revs, include, next);
continue;
}
*dotdot = '.';
}
+ dotdot = strstr(arg, "^@");
+ if (dotdot && !dotdot[2]) {
+ *dotdot = 0;
+ if (add_parents_only(revs, arg, flags))
+ continue;
+ *dotdot = '^';
+ }
local_flags = 0;
if (*arg == '^') {
local_flags = UNINTERESTING;
arg++;
}
- if (get_sha1(arg, sha1) < 0) {
+ if (get_sha1(arg, sha1)) {
int j;
if (seen_dashdash || local_flags)
die("bad revision '%s'", arg);
- /* If we didn't have a "--", all filenames must exist */
+ /* If we didn't have a "--":
+ * (1) all filenames must exist;
+ * (2) all rev-args must not be interpretable
+ * as a valid filename.
+ * but the latter we have checked in the main loop.
+ */
for (j = i; j < argc; j++)
verify_filename(revs->prefix, argv[j]);
revs->prune_data = get_pathspec(revs->prefix, argv + i);
break;
}
- commit = get_commit_reference(revs, arg, sha1, flags ^ local_flags);
- add_one_commit(commit, revs);
+ if (!seen_dashdash)
+ verify_non_filename(revs->prefix, arg);
+ object = get_reference(revs, arg, sha1, flags ^ local_flags);
+ add_pending_object(revs, object, arg);
}
- if (def && !revs->commits) {
+ if (def && !revs->pending_objects) {
unsigned char sha1[20];
- struct commit *commit;
+ struct object *object;
- if (get_sha1(def, sha1) < 0)
+ if (get_sha1(def, sha1))
die("bad default revision '%s'", def);
- commit = get_commit_reference(revs, def, sha1, 0);
- add_one_commit(commit, revs);
+ object = get_reference(revs, def, sha1, 0);
+ add_pending_object(revs, object, def);
}
if (revs->topo_order || revs->unpacked)
revs->limited = 1;
if (revs->prune_data) {
- diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
+ diff_tree_setup_paths(revs->prune_data, &revs->pruning);
revs->prune_fn = try_to_simplify_commit;
+ if (!revs->full_diff)
+ diff_tree_setup_paths(revs->prune_data, &revs->diffopt);
+ }
+ if (revs->combine_merges) {
+ revs->ignore_merges = 0;
+ if (revs->dense_combined_merges &&
+ (revs->diffopt.output_format != DIFF_FORMAT_DIFFSTAT))
+ revs->diffopt.output_format = DIFF_FORMAT_PATCH;
}
+ revs->diffopt.abbrev = revs->abbrev;
+ diff_setup_done(&revs->diffopt);
return left;
}
void prepare_revision_walk(struct rev_info *revs)
{
- sort_by_date(&revs->commits);
+ struct object_list *list;
+
+ list = revs->pending_objects;
+ revs->pending_objects = NULL;
+ while (list) {
+ struct commit *commit = handle_commit(revs, list->item, list->name);
+ if (commit) {
+ if (!(commit->object.flags & SEEN)) {
+ commit->object.flags |= SEEN;
+ insert_by_date(commit, &revs->commits);
+ }
+ }
+ list = list->next;
+ }
+
+ if (revs->no_walk)
+ return;
if (revs->limited)
limit_list(revs);
if (revs->topo_order)
projects / thirdparty / git.git / commitdiff
