#include "cache.h"
+#include "refs.h"
+#include "tag.h"
#include "commit.h"
-#include "epoch.h"
+#include "tree.h"
+#include "blob.h"
+#include "tree-walk.h"
+#include "diff.h"
+#include "revision.h"
-#define SEEN (1u << 0)
-#define INTERESTING (1u << 1)
-#define COUNTED (1u << 2)
-#define SHOWN (LAST_EPOCH_FLAG << 2)
+/* bits #0-15 in revision.h */
+
+#define COUNTED (1u<<16)
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"
- " --header\n"
- " --pretty\n"
- " --merge-order [ --show-breaks ]";
+"git-rev-list [OPTION] <commit-id>... [ -- paths... ]\n"
+" limiting output:\n"
+" --max-count=nr\n"
+" --max-age=epoch\n"
+" --min-age=epoch\n"
+" --sparse\n"
+" --no-merges\n"
+" --remove-empty\n"
+" --all\n"
+" ordering output:\n"
+" --topo-order\n"
+" --date-order\n"
+" formatting output:\n"
+" --parents\n"
+" --objects | --objects-edge\n"
+" --unpacked\n"
+" --header | --pretty\n"
+" --abbrev=nr | --no-abbrev\n"
+" --abbrev-commit\n"
+" special purpose:\n"
+" --bisect"
+;
+
+struct rev_info revs;
static int bisect_list = 0;
static int verbose_header = 0;
-static int show_parents = 0;
+static int abbrev = DEFAULT_ABBREV;
+static int abbrev_commit = 0;
+static int show_timestamp = 0;
static int hdr_termination = 0;
-static const char *prefix = "";
-static unsigned long max_age = -1;
-static unsigned long min_age = -1;
-static int max_count = -1;
+static const char *commit_prefix = "";
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 void show_commit(struct commit *commit)
{
- commit->object.flags |= SHOWN;
- if (show_breaks) {
- prefix = "| ";
- if (commit->object.flags & DISCONTINUITY) {
- prefix = "^ ";
- } else if (commit->object.flags & BOUNDARY) {
- prefix = "= ";
- }
- }
- printf("%s%s", prefix, sha1_to_hex(commit->object.sha1));
- if (show_parents) {
+ if (show_timestamp)
+ printf("%lu ", commit->date);
+ if (commit_prefix[0])
+ fputs(commit_prefix, stdout);
+ if (commit->object.flags & BOUNDARY)
+ putchar('-');
+ if (abbrev_commit && abbrev)
+ fputs(find_unique_abbrev(commit->object.sha1, abbrev), stdout);
+ else
+ fputs(sha1_to_hex(commit->object.sha1), stdout);
+ if (revs.parents) {
struct commit_list *parents = commit->parents;
while (parents) {
- printf(" %s", sha1_to_hex(parents->item->object.sha1));
+ struct object *o = &(parents->item->object);
parents = parents->next;
+ if (o->flags & TMP_MARK)
+ continue;
+ printf(" %s", sha1_to_hex(o->sha1));
+ o->flags |= TMP_MARK;
}
+ /* TMP_MARK is a general purpose flag that can
+ * be used locally, but the user should clean
+ * things up after it is done with them.
+ */
+ for (parents = commit->parents;
+ parents;
+ parents = parents->next)
+ parents->item->object.flags &= ~TMP_MARK;
}
- putchar('\n');
+ if (commit_format == CMIT_FMT_ONELINE)
+ putchar(' ');
+ else
+ putchar('\n');
+
if (verbose_header) {
static char pretty_header[16384];
- pretty_print_commit(commit_format, commit->buffer, ~0, pretty_header, sizeof(pretty_header));
+ pretty_print_commit(commit_format, commit, ~0, pretty_header, sizeof(pretty_header), abbrev);
printf("%s%c", pretty_header, hdr_termination);
- }
-}
-
-static int filter_commit(struct commit * commit)
-{
- if (merge_order && 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)) {
- if (!merge_order)
- return STOP;
- else {
- stop_traversal = 1;
- return CONTINUE;
- }
}
- if (max_count != -1 && !max_count--)
- return STOP;
- return DO;
+ fflush(stdout);
}
-static int process_commit(struct commit * commit)
+static struct object_list **process_blob(struct blob *blob,
+ struct object_list **p,
+ struct name_path *path,
+ const char *name)
{
- int action=filter_commit(commit);
-
- if (action == STOP) {
- return STOP;
- }
-
- if (action == CONTINUE) {
- return CONTINUE;
- }
-
- show_commit(commit);
-
- return CONTINUE;
+ struct object *obj = &blob->object;
+
+ if (!revs.blob_objects)
+ return p;
+ if (obj->flags & (UNINTERESTING | SEEN))
+ return p;
+ obj->flags |= SEEN;
+ return add_object(obj, p, path, name);
}
-static void show_commit_list(struct commit_list *list)
+static struct object_list **process_tree(struct tree *tree,
+ struct object_list **p,
+ struct name_path *path,
+ const char *name)
{
- while (list) {
- struct commit *commit = pop_most_recent_commit(&list, SEEN);
-
- if (process_commit(commit) == STOP)
- break;
+ struct object *obj = &tree->object;
+ struct tree_entry_list *entry;
+ struct name_path me;
+
+ if (!revs.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, path, name);
+ me.up = path;
+ me.elem = name;
+ me.elem_len = strlen(name);
+ entry = tree->entries;
+ tree->entries = NULL;
+ while (entry) {
+ struct tree_entry_list *next = entry->next;
+ if (entry->directory)
+ p = process_tree(entry->item.tree, p, &me, entry->name);
+ else
+ p = process_blob(entry->item.blob, p, &me, entry->name);
+ free(entry);
+ entry = next;
}
+ return p;
}
-static void mark_parents_uninteresting(struct commit *commit)
+static void show_commit_list(struct rev_info *revs)
{
- struct commit_list *parents = commit->parents;
+ struct commit *commit;
+ struct object_list *objects = NULL, **p = &objects, *pending;
- while (parents) {
- struct commit *commit = parents->item;
- commit->object.flags |= UNINTERESTING;
- parents = parents->next;
+ while ((commit = get_revision(revs)) != NULL) {
+ p = process_tree(commit->tree, p, NULL, "");
+ show_commit(commit);
}
-}
-
-static int everybody_uninteresting(struct commit_list *list)
-{
- while (list) {
- struct commit *commit = list->item;
- list = list->next;
- if (commit->object.flags & UNINTERESTING)
+ for (pending = revs->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, NULL, name);
+ continue;
+ }
+ if (obj->type == tree_type) {
+ p = process_tree((struct tree *)obj, p, NULL, name);
+ continue;
+ }
+ if (obj->type == blob_type) {
+ p = process_blob((struct blob *)obj, p, NULL, name);
continue;
- return 0;
+ }
+ die("unknown pending object %s (%s)", sha1_to_hex(obj->sha1), name);
+ }
+ while (objects) {
+ /* An object with name "foo\n0000000..." can be used to
+ * confuse downstream git-pack-objects very badly.
+ */
+ const char *ep = strchr(objects->name, '\n');
+ if (ep) {
+ printf("%s %.*s\n", sha1_to_hex(objects->item->sha1),
+ (int) (ep - objects->name),
+ objects->name);
+ }
+ else
+ printf("%s %s\n", sha1_to_hex(objects->item->sha1), objects->name);
+ objects = objects->next;
}
- return 1;
}
/*
if (commit->object.flags & (UNINTERESTING | COUNTED))
break;
- nr++;
+ if (!revs.prune_fn || (commit->object.flags & TREECHANGE))
+ nr++;
commit->object.flags |= COUNTED;
p = commit->parents;
entry = p;
}
}
}
+
return nr;
}
nr = 0;
p = list;
while (p) {
- nr++;
+ if (!revs.prune_fn || (p->item->object.flags & TREECHANGE))
+ nr++;
p = p->next;
}
closest = 0;
best = list;
- p = list;
- while (p) {
- int distance = count_distance(p);
+ for (p = list; p; p = p->next) {
+ int distance;
+
+ if (revs.prune_fn && !(p->item->object.flags & TREECHANGE))
+ continue;
+
+ distance = count_distance(p);
clear_distance(list);
if (nr - distance < distance)
distance = nr - distance;
best = p;
closest = distance;
}
- p = p->next;
}
if (best)
best->next = NULL;
return best;
}
-struct commit_list *limit_list(struct commit_list *list)
+static void mark_edge_parents_uninteresting(struct commit *commit)
{
- struct commit_list *newlist = NULL;
- struct commit_list **p = &newlist;
- do {
- struct commit *commit = pop_most_recent_commit(&list, SEEN);
- struct object *obj = &commit->object;
-
- if (obj->flags & UNINTERESTING) {
- mark_parents_uninteresting(commit);
- if (everybody_uninteresting(list))
- break;
+ struct commit_list *parents;
+
+ for (parents = commit->parents; parents; parents = parents->next) {
+ struct commit *parent = parents->item;
+ if (!(parent->object.flags & UNINTERESTING))
continue;
+ mark_tree_uninteresting(parent->tree);
+ if (revs.edge_hint && !(parent->object.flags & SHOWN)) {
+ parent->object.flags |= SHOWN;
+ printf("-%s\n", sha1_to_hex(parent->object.sha1));
}
- 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 mark_edges_uninteresting(struct commit_list *list)
{
- 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);
-}
-
-
-int main(int argc, char **argv)
+ for ( ; list; list = list->next) {
+ struct commit *commit = list->item;
+
+ if (commit->object.flags & UNINTERESTING) {
+ mark_tree_uninteresting(commit->tree);
+ continue;
+ }
+ mark_edge_parents_uninteresting(commit);
+ }
+}
+
+int main(int argc, const char **argv)
{
- struct commit_list *list = NULL;
- int i, limited = 0;
+ struct commit_list *list;
+ int i;
+
+ argc = setup_revisions(argc, argv, &revs, NULL);
for (i = 1 ; i < argc; i++) {
- int flags;
- char *arg = argv[i];
- unsigned char sha1[20];
- struct commit *commit;
+ const char *arg = argv[i];
- if (!strncmp(arg, "--max-count=", 12)) {
- max_count = atoi(arg + 12);
+ /* accept -<digit>, like traditilnal "head" */
+ if ((*arg == '-') && isdigit(arg[1])) {
+ revs.max_count = atoi(arg + 1);
continue;
}
- if (!strncmp(arg, "--max-age=", 10)) {
- max_age = atoi(arg + 10);
+ if (!strcmp(arg, "-n")) {
+ if (++i >= argc)
+ die("-n requires an argument");
+ revs.max_count = atoi(argv[i]);
continue;
}
- if (!strncmp(arg, "--min-age=", 10)) {
- min_age = atoi(arg + 10);
+ if (!strncmp(arg,"-n",2)) {
+ revs.max_count = atoi(arg + 2);
continue;
}
if (!strcmp(arg, "--header")) {
verbose_header = 1;
continue;
}
+ if (!strcmp(arg, "--no-abbrev")) {
+ abbrev = 0;
+ continue;
+ }
+ if (!strcmp(arg, "--abbrev")) {
+ abbrev = DEFAULT_ABBREV;
+ continue;
+ }
+ if (!strcmp(arg, "--abbrev-commit")) {
+ abbrev_commit = 1;
+ continue;
+ }
+ if (!strncmp(arg, "--abbrev=", 9)) {
+ abbrev = strtoul(arg + 9, NULL, 10);
+ if (abbrev && abbrev < MINIMUM_ABBREV)
+ abbrev = MINIMUM_ABBREV;
+ else if (40 < abbrev)
+ abbrev = 40;
+ continue;
+ }
if (!strncmp(arg, "--pretty", 8)) {
commit_format = get_commit_format(arg+8);
verbose_header = 1;
hdr_termination = '\n';
- prefix = "commit ";
+ if (commit_format == CMIT_FMT_ONELINE)
+ commit_prefix = "";
+ else
+ commit_prefix = "commit ";
continue;
}
- if (!strcmp(arg, "--parents")) {
- show_parents = 1;
+ if (!strcmp(arg, "--timestamp")) {
+ show_timestamp = 1;
continue;
}
if (!strcmp(arg, "--bisect")) {
bisect_list = 1;
continue;
}
- if (!strncmp(arg, "--merge-order", 13)) {
- merge_order = 1;
- continue;
- }
- if (!strncmp(arg, "--show-breaks", 13)) {
- show_breaks = 1;
- continue;
- }
+ usage(rev_list_usage);
- flags = 0;
- if (*arg == '^') {
- flags = UNINTERESTING;
- arg++;
- limited = 1;
- }
- if (get_sha1(arg, sha1) || (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_list_insert(commit, &list);
}
- if (!list)
+ list = revs.commits;
+
+ if (!list &&
+ (!(revs.tag_objects||revs.tree_objects||revs.blob_objects) && !revs.pending_objects))
usage(rev_list_usage);
- if (!merge_order) {
- if (limited)
- list = limit_list(list);
- show_commit_list(list);
- } else {
- if (sort_list_in_merge_order(list, &process_commit)) {
- die("merge order sort failed\n");
- }
- }
+ save_commit_buffer = verbose_header;
+ track_object_refs = 0;
+ if (bisect_list)
+ revs.limited = 1;
+
+ prepare_revision_walk(&revs);
+ if (revs.tree_objects)
+ mark_edges_uninteresting(revs.commits);
+
+ if (bisect_list)
+ revs.commits = find_bisection(revs.commits);
+
+ show_commit_list(&revs);
return 0;
}
projects / git.git / blobdiff