#include "cache.h"
+#include "tag.h"
#include "commit.h"
+#include "tree.h"
+#include "blob.h"
#include "epoch.h"
#define SEEN (1u << 0)
#define INTERESTING (1u << 1)
#define COUNTED (1u << 2)
+#define SHOWN (1u << 3)
static const char rev_list_usage[] =
"usage: git-rev-list [OPTION] commit-id <commit-id>\n"
" --max-count=nr\n"
" --max-age=epoch\n"
" --min-age=epoch\n"
+ " --bisect\n"
+ " --objects\n"
+ " --unpacked\n"
" --header\n"
" --pretty\n"
" --merge-order [ --show-breaks ]";
+static int unpacked = 0;
static int bisect_list = 0;
+static int tag_objects = 0;
+static int tree_objects = 0;
+static int blob_objects = 0;
static int verbose_header = 0;
static int show_parents = 0;
static int hdr_termination = 0;
static enum cmit_fmt commit_format = CMIT_FMT_RAW;
static int merge_order = 0;
static int show_breaks = 0;
+static int stop_traversal = 0;
+static int topo_order = 0;
static void show_commit(struct commit *commit)
{
+ commit->object.flags |= SHOWN;
if (show_breaks) {
prefix = "| ";
if (commit->object.flags & DISCONTINUITY) {
static char pretty_header[16384];
pretty_print_commit(commit_format, commit->buffer, ~0, pretty_header, sizeof(pretty_header));
printf("%s%c", pretty_header, hdr_termination);
- }
+ }
+ fflush(stdout);
}
static int filter_commit(struct commit * commit)
{
- if (commit->object.flags & UNINTERESTING)
+ if (stop_traversal && (commit->object.flags & BOUNDARY))
+ return STOP;
+ if (commit->object.flags & (UNINTERESTING|SHOWN))
return CONTINUE;
if (min_age != -1 && (commit->date > min_age))
return CONTINUE;
- if (max_age != -1 && (commit->date < max_age))
- return STOP;
+ if (max_age != -1 && (commit->date < max_age)) {
+ stop_traversal=1;
+ return merge_order?CONTINUE:STOP;
+ }
if (max_count != -1 && !max_count--)
return STOP;
-
return DO;
}
return CONTINUE;
}
+static struct object_list **add_object(struct object *obj, struct object_list **p, const char *name)
+{
+ struct object_list *entry = xmalloc(sizeof(*entry));
+ entry->item = obj;
+ entry->next = *p;
+ entry->name = name;
+ *p = entry;
+ return &entry->next;
+}
+
+static struct object_list **process_blob(struct blob *blob, struct object_list **p, const char *name)
+{
+ struct object *obj = &blob->object;
+
+ if (!blob_objects)
+ return p;
+ if (obj->flags & (UNINTERESTING | SEEN))
+ return p;
+ obj->flags |= SEEN;
+ return add_object(obj, p, name);
+}
+
+static struct object_list **process_tree(struct tree *tree, struct object_list **p, const char *name)
+{
+ struct object *obj = &tree->object;
+ struct tree_entry_list *entry;
+
+ if (!tree_objects)
+ return p;
+ if (obj->flags & (UNINTERESTING | SEEN))
+ return p;
+ if (parse_tree(tree) < 0)
+ die("bad tree object %s", sha1_to_hex(obj->sha1));
+ obj->flags |= SEEN;
+ p = add_object(obj, p, name);
+ for (entry = tree->entries ; entry ; entry = entry->next) {
+ if (entry->directory)
+ p = process_tree(entry->item.tree, p, entry->name);
+ else
+ p = process_blob(entry->item.blob, p, entry->name);
+ }
+ return p;
+}
+
+static struct object_list *pending_objects = NULL;
+
static void show_commit_list(struct commit_list *list)
{
+ struct object_list *objects = NULL, **p = &objects, *pending;
while (list) {
struct commit *commit = pop_most_recent_commit(&list, SEEN);
+ p = process_tree(commit->tree, p, "");
if (process_commit(commit) == STOP)
break;
}
+ for (pending = pending_objects; pending; pending = pending->next) {
+ struct object *obj = pending->item;
+ const char *name = pending->name;
+ if (obj->flags & (UNINTERESTING | SEEN))
+ continue;
+ if (obj->type == tag_type) {
+ obj->flags |= SEEN;
+ p = add_object(obj, p, name);
+ continue;
+ }
+ if (obj->type == tree_type) {
+ p = process_tree((struct tree *)obj, p, name);
+ continue;
+ }
+ if (obj->type == blob_type) {
+ p = process_blob((struct blob *)obj, p, name);
+ continue;
+ }
+ die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
+ }
+ while (objects) {
+ printf("%s %s\n", sha1_to_hex(objects->item->sha1), objects->name);
+ objects = objects->next;
+ }
+}
+
+static void mark_blob_uninteresting(struct blob *blob)
+{
+ if (!blob_objects)
+ return;
+ if (blob->object.flags & UNINTERESTING)
+ return;
+ blob->object.flags |= UNINTERESTING;
+}
+
+static void mark_tree_uninteresting(struct tree *tree)
+{
+ struct object *obj = &tree->object;
+ struct tree_entry_list *entry;
+
+ if (!tree_objects)
+ return;
+ if (obj->flags & UNINTERESTING)
+ return;
+ obj->flags |= UNINTERESTING;
+ if (!has_sha1_file(obj->sha1))
+ return;
+ if (parse_tree(tree) < 0)
+ die("bad tree %s", sha1_to_hex(obj->sha1));
+ entry = tree->entries;
+ while (entry) {
+ if (entry->directory)
+ mark_tree_uninteresting(entry->item.tree);
+ else
+ mark_blob_uninteresting(entry->item.blob);
+ entry = entry->next;
+ }
}
static void mark_parents_uninteresting(struct commit *commit)
{
struct commit_list *parents = commit->parents;
+ if (tree_objects)
+ mark_tree_uninteresting(commit->tree);
while (parents) {
struct commit *commit = parents->item;
commit->object.flags |= UNINTERESTING;
+
+ /*
+ * A missing commit is ok iff its parent is marked
+ * uninteresting.
+ *
+ * We just mark such a thing parsed, so that when
+ * it is popped next time around, we won't be trying
+ * to parse it and get an error.
+ */
+ if (!has_sha1_file(commit->object.sha1))
+ commit->object.parsed = 1;
parents = parents->next;
}
}
return best;
}
-struct commit_list *limit_list(struct commit_list *list)
+static struct commit_list *limit_list(struct commit_list *list)
{
struct commit_list *newlist = NULL;
struct commit_list **p = &newlist;
- do {
+ while (list) {
struct commit *commit = pop_most_recent_commit(&list, SEEN);
struct object *obj = &commit->object;
+ if (unpacked && has_sha1_pack(obj->sha1))
+ obj->flags |= UNINTERESTING;
if (obj->flags & UNINTERESTING) {
mark_parents_uninteresting(commit);
if (everybody_uninteresting(list))
continue;
}
p = &commit_list_insert(commit, p)->next;
- } while (list);
+ }
if (bisect_list)
newlist = find_bisection(newlist);
return newlist;
}
-static enum cmit_fmt get_commit_format(const char *arg)
+static void add_pending_object(struct object *obj, const char *name)
+{
+ add_object(obj, &pending_objects, name);
+}
+
+static struct commit *get_commit_reference(const char *name, unsigned int flags)
{
- if (!*arg)
- return CMIT_FMT_DEFAULT;
- if (!strcmp(arg, "=raw"))
- return CMIT_FMT_RAW;
- if (!strcmp(arg, "=medium"))
- return CMIT_FMT_MEDIUM;
- if (!strcmp(arg, "=short"))
- return CMIT_FMT_SHORT;
- usage(rev_list_usage);
-}
+ unsigned char sha1[20];
+ struct object *object;
+ if (get_sha1(name, sha1))
+ usage(rev_list_usage);
+ object = parse_object(sha1);
+ if (!object)
+ die("bad object %s", name);
+
+ /*
+ * Tag object? Look what it points to..
+ */
+ while (object->type == tag_type) {
+ struct tag *tag = (struct tag *) object;
+ object->flags |= flags;
+ if (tag_objects && !(object->flags & UNINTERESTING))
+ add_pending_object(object, tag->tag);
+ object = parse_object(tag->tagged->sha1);
+ }
+
+ /*
+ * Commit object? Just return it, we'll do all the complex
+ * reachability crud.
+ */
+ 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)
+ mark_parents_uninteresting(commit);
+ return commit;
+ }
+
+ /*
+ * Tree object? Either mark it uniniteresting, or add it
+ * to the list of objects to look at later..
+ */
+ if (object->type == tree_type) {
+ struct tree *tree = (struct tree *)object;
+ if (!tree_objects)
+ return NULL;
+ if (flags & UNINTERESTING) {
+ mark_tree_uninteresting(tree);
+ return NULL;
+ }
+ add_pending_object(object, "");
+ return NULL;
+ }
+
+ /*
+ * Blob object? You know the drill by now..
+ */
+ if (object->type == blob_type) {
+ struct blob *blob = (struct blob *)object;
+ if (!blob_objects)
+ return NULL;
+ if (flags & UNINTERESTING) {
+ mark_blob_uninteresting(blob);
+ return NULL;
+ }
+ add_pending_object(object, "");
+ return NULL;
+ }
+ die("%s is unknown object", name);
+}
int main(int argc, char **argv)
{
for (i = 1 ; i < argc; i++) {
int flags;
char *arg = argv[i];
- unsigned char sha1[20];
struct commit *commit;
if (!strncmp(arg, "--max-count=", 12)) {
bisect_list = 1;
continue;
}
- if (!strncmp(arg, "--merge-order", 13)) {
+ if (!strcmp(arg, "--objects")) {
+ tag_objects = 1;
+ tree_objects = 1;
+ blob_objects = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--unpacked")) {
+ unpacked = 1;
+ limited = 1;
+ continue;
+ }
+ if (!strcmp(arg, "--merge-order")) {
merge_order = 1;
continue;
}
- if (!strncmp(arg, "--show-breaks", 13)) {
+ if (!strcmp(arg, "--show-breaks")) {
show_breaks = 1;
continue;
}
+ if (!strcmp(arg, "--topo-order")) {
+ topo_order = 1;
+ limited = 1;
+ continue;
+ }
flags = 0;
if (*arg == '^') {
arg++;
limited = 1;
}
- if (get_sha1(arg, sha1) || (show_breaks && !merge_order))
+ if (show_breaks && !merge_order)
usage(rev_list_usage);
- commit = lookup_commit_reference(sha1);
- if (!commit || parse_commit(commit) < 0)
- die("bad commit object %s", arg);
- commit->object.flags |= flags;
+ commit = get_commit_reference(arg, flags);
+ if (!commit)
+ continue;
+ if (commit->object.flags & SEEN)
+ continue;
+ commit->object.flags |= SEEN;
commit_list_insert(commit, &list);
}
- if (!list)
- usage(rev_list_usage);
-
if (!merge_order) {
+ sort_by_date(&list);
if (limited)
list = limit_list(list);
+ if (topo_order)
+ sort_in_topological_order(&list);
show_commit_list(list);
} else {
if (sort_list_in_merge_order(list, &process_commit)) {
projects / git.git / blobdiff