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Diffstat (limited to 'revision.c')
-rw-r--r--revision.c201
1 files changed, 131 insertions, 70 deletions
diff --git a/revision.c b/revision.c
index e5e527bcf2..de4dce600d 100644
--- a/revision.c
+++ b/revision.c
@@ -1,4 +1,5 @@
#include "cache.h"
+#include "object-store.h"
#include "tag.h"
#include "blob.h"
#include "tree.h"
@@ -6,6 +7,7 @@
#include "diff.h"
#include "refs.h"
#include "revision.h"
+#include "repository.h"
#include "graph.h"
#include "grep.h"
#include "reflog-walk.h"
@@ -28,6 +30,8 @@ volatile show_early_output_fn_t show_early_output;
static const char *term_bad;
static const char *term_good;
+implement_shared_commit_slab(revision_sources, char *);
+
void show_object_with_name(FILE *out, struct object *obj, const char *name)
{
const char *p;
@@ -51,21 +55,18 @@ static void mark_tree_contents_uninteresting(struct tree *tree)
{
struct tree_desc desc;
struct name_entry entry;
- struct object *obj = &tree->object;
- if (!has_object_file(&obj->oid))
+ if (parse_tree_gently(tree, 1) < 0)
return;
- if (parse_tree(tree) < 0)
- die("bad tree %s", oid_to_hex(&obj->oid));
init_tree_desc(&desc, tree->buffer, tree->size);
while (tree_entry(&desc, &entry)) {
switch (object_type(entry.mode)) {
case OBJ_TREE:
- mark_tree_uninteresting(lookup_tree(entry.oid));
+ mark_tree_uninteresting(lookup_tree(the_repository, entry.oid));
break;
case OBJ_BLOB:
- mark_blob_uninteresting(lookup_blob(entry.oid));
+ mark_blob_uninteresting(lookup_blob(the_repository, entry.oid));
break;
default:
/* Subproject commit - not in this repository */
@@ -94,49 +95,63 @@ void mark_tree_uninteresting(struct tree *tree)
mark_tree_contents_uninteresting(tree);
}
-void mark_parents_uninteresting(struct commit *commit)
+struct commit_stack {
+ struct commit **items;
+ size_t nr, alloc;
+};
+#define COMMIT_STACK_INIT { NULL, 0, 0 }
+
+static void commit_stack_push(struct commit_stack *stack, struct commit *commit)
{
- struct commit_list *parents = NULL, *l;
+ ALLOC_GROW(stack->items, stack->nr + 1, stack->alloc);
+ stack->items[stack->nr++] = commit;
+}
- for (l = commit->parents; l; l = l->next)
- commit_list_insert(l->item, &parents);
+static struct commit *commit_stack_pop(struct commit_stack *stack)
+{
+ return stack->nr ? stack->items[--stack->nr] : NULL;
+}
- while (parents) {
- struct commit *commit = pop_commit(&parents);
+static void commit_stack_clear(struct commit_stack *stack)
+{
+ FREE_AND_NULL(stack->items);
+ stack->nr = stack->alloc = 0;
+}
- while (commit) {
- /*
- * 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_object_file(&commit->object.oid))
- commit->object.parsed = 1;
+static void mark_one_parent_uninteresting(struct commit *commit,
+ struct commit_stack *pending)
+{
+ struct commit_list *l;
- if (commit->object.flags & UNINTERESTING)
- break;
+ if (commit->object.flags & UNINTERESTING)
+ return;
+ commit->object.flags |= UNINTERESTING;
- commit->object.flags |= UNINTERESTING;
+ /*
+ * Normally we haven't parsed the parent
+ * yet, so we won't have a parent of a parent
+ * here. However, it may turn out that we've
+ * reached this commit some other way (where it
+ * wasn't uninteresting), in which case we need
+ * to mark its parents recursively too..
+ */
+ for (l = commit->parents; l; l = l->next)
+ commit_stack_push(pending, l->item);
+}
- /*
- * Normally we haven't parsed the parent
- * yet, so we won't have a parent of a parent
- * here. However, it may turn out that we've
- * reached this commit some other way (where it
- * wasn't uninteresting), in which case we need
- * to mark its parents recursively too..
- */
- if (!commit->parents)
- break;
+void mark_parents_uninteresting(struct commit *commit)
+{
+ struct commit_stack pending = COMMIT_STACK_INIT;
+ struct commit_list *l;
- for (l = commit->parents->next; l; l = l->next)
- commit_list_insert(l->item, &parents);
- commit = commit->parents->item;
- }
- }
+ for (l = commit->parents; l; l = l->next)
+ mark_one_parent_uninteresting(l->item, &pending);
+
+ while (pending.nr > 0)
+ mark_one_parent_uninteresting(commit_stack_pop(&pending),
+ &pending);
+
+ commit_stack_clear(&pending);
}
static void add_pending_object_with_path(struct rev_info *revs,
@@ -160,6 +175,7 @@ static void add_pending_object_with_path(struct rev_info *revs,
strbuf_release(&buf);
return; /* do not add the commit itself */
}
+ obj->flags |= USER_GIVEN;
add_object_array_with_path(obj, name, &revs->pending, mode, path);
}
@@ -182,7 +198,7 @@ void add_head_to_pending(struct rev_info *revs)
struct object *obj;
if (get_oid("HEAD", &oid))
return;
- obj = parse_object(&oid);
+ obj = parse_object(the_repository, &oid);
if (!obj)
return;
add_pending_object(revs, obj, "HEAD");
@@ -194,10 +210,12 @@ static struct object *get_reference(struct rev_info *revs, const char *name,
{
struct object *object;
- object = parse_object(oid);
+ object = parse_object(the_repository, oid);
if (!object) {
if (revs->ignore_missing)
return object;
+ if (revs->exclude_promisor_objects && is_promisor_object(oid))
+ return NULL;
die("bad object %s", name);
}
object->flags |= flags;
@@ -229,10 +247,13 @@ static struct commit *handle_commit(struct rev_info *revs,
add_pending_object(revs, object, tag->tag);
if (!tag->tagged)
die("bad tag");
- object = parse_object(&tag->tagged->oid);
+ object = parse_object(the_repository, &tag->tagged->oid);
if (!object) {
if (revs->ignore_missing_links || (flags & UNINTERESTING))
return NULL;
+ if (revs->exclude_promisor_objects &&
+ is_promisor_object(&tag->tagged->oid))
+ return NULL;
die("bad object %s", oid_to_hex(&tag->tagged->oid));
}
object->flags |= flags;
@@ -251,14 +272,19 @@ static struct commit *handle_commit(struct rev_info *revs,
*/
if (object->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)object;
+
if (parse_commit(commit) < 0)
die("unable to parse commit %s", name);
if (flags & UNINTERESTING) {
mark_parents_uninteresting(commit);
revs->limited = 1;
}
- if (revs->show_source && !commit->util)
- commit->util = xstrdup(name);
+ if (revs->sources) {
+ char **slot = revision_sources_at(revs->sources, commit);
+
+ if (!*slot)
+ *slot = xstrdup(name);
+ }
return commit;
}
@@ -437,8 +463,8 @@ static void file_change(struct diff_options *options,
static int rev_compare_tree(struct rev_info *revs,
struct commit *parent, struct commit *commit)
{
- struct tree *t1 = parent->tree;
- struct tree *t2 = commit->tree;
+ struct tree *t1 = get_commit_tree(parent);
+ struct tree *t2 = get_commit_tree(commit);
if (!t1)
return REV_TREE_NEW;
@@ -474,7 +500,7 @@ static int rev_compare_tree(struct rev_info *revs,
static int rev_same_tree_as_empty(struct rev_info *revs, struct commit *commit)
{
int retval;
- struct tree *t1 = commit->tree;
+ struct tree *t1 = get_commit_tree(commit);
if (!t1)
return 0;
@@ -612,7 +638,7 @@ static void try_to_simplify_commit(struct rev_info *revs, struct commit *commit)
if (!revs->prune)
return;
- if (!commit->tree)
+ if (!get_commit_tree(commit))
return;
if (!commit->parents) {
@@ -799,11 +825,23 @@ static int add_parents_to_list(struct rev_info *revs, struct commit *commit,
for (parent = commit->parents; parent; parent = parent->next) {
struct commit *p = parent->item;
-
- if (parse_commit_gently(p, revs->ignore_missing_links) < 0)
+ int gently = revs->ignore_missing_links ||
+ revs->exclude_promisor_objects;
+ if (parse_commit_gently(p, gently) < 0) {
+ if (revs->exclude_promisor_objects &&
+ is_promisor_object(&p->object.oid)) {
+ if (revs->first_parent_only)
+ break;
+ continue;
+ }
return -1;
- if (revs->show_source && !p->util)
- p->util = commit->util;
+ }
+ if (revs->sources) {
+ char **slot = revision_sources_at(revs->sources, p);
+
+ if (!*slot)
+ *slot = *revision_sources_at(revs->sources, commit);
+ }
p->object.flags |= left_flag;
if (!(p->object.flags & SEEN)) {
p->object.flags |= SEEN;
@@ -1215,7 +1253,7 @@ static void handle_one_reflog_commit(struct object_id *oid, void *cb_data)
{
struct all_refs_cb *cb = cb_data;
if (!is_null_oid(oid)) {
- struct object *o = parse_object(oid);
+ struct object *o = parse_object(the_repository, oid);
if (o) {
o->flags |= cb->all_flags;
/* ??? CMDLINEFLAGS ??? */
@@ -1274,7 +1312,7 @@ void add_reflogs_to_pending(struct rev_info *revs, unsigned flags)
cb.all_revs = revs;
cb.all_flags = flags;
- cb.refs = get_main_ref_store();
+ cb.refs = get_main_ref_store(the_repository);
for_each_reflog(handle_one_reflog, &cb);
if (!revs->single_worktree)
@@ -1288,7 +1326,7 @@ static void add_cache_tree(struct cache_tree *it, struct rev_info *revs,
int i;
if (it->entry_count >= 0) {
- struct tree *tree = lookup_tree(&it->oid);
+ struct tree *tree = lookup_tree(the_repository, &it->oid);
add_pending_object_with_path(revs, &tree->object, "",
040000, path->buf);
}
@@ -1314,7 +1352,7 @@ static void do_add_index_objects_to_pending(struct rev_info *revs,
if (S_ISGITLINK(ce->ce_mode))
continue;
- blob = lookup_blob(&ce->oid);
+ blob = lookup_blob(the_repository, &ce->oid);
if (!blob)
die("unable to add index blob to traversal");
add_pending_object_with_path(revs, &blob->object, "",
@@ -1479,7 +1517,7 @@ static void prepare_show_merge(struct rev_info *revs)
const struct cache_entry *ce = active_cache[i];
if (!ce_stage(ce))
continue;
- if (ce_path_match(ce, &revs->prune_data, NULL)) {
+ if (ce_path_match(&the_index, ce, &revs->prune_data, NULL)) {
prune_num++;
REALLOC_ARRAY(prune, prune_num);
prune[prune_num-2] = ce->name;
@@ -1543,8 +1581,8 @@ static int handle_dotdot_1(const char *arg, char *dotdot,
*dotdot = '\0';
}
- a_obj = parse_object(&a_oid);
- b_obj = parse_object(&b_oid);
+ a_obj = parse_object(the_repository, &a_oid);
+ b_obj = parse_object(the_repository, &b_oid);
if (!a_obj || !b_obj)
return dotdot_missing(arg, dotdot, revs, symmetric);
@@ -1557,8 +1595,8 @@ static int handle_dotdot_1(const char *arg, char *dotdot,
struct commit *a, *b;
struct commit_list *exclude;
- a = lookup_commit_reference(&a_obj->oid);
- b = lookup_commit_reference(&b_obj->oid);
+ a = lookup_commit_reference(the_repository, &a_obj->oid);
+ b = lookup_commit_reference(the_repository, &b_obj->oid);
if (!a || !b)
return dotdot_missing(arg, dotdot, revs, symmetric);
@@ -1740,6 +1778,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
const char *arg = argv[0];
const char *optarg;
int argcount;
+ const unsigned hexsz = the_hash_algo->hexsz;
/* pseudo revision arguments */
if (!strcmp(arg, "--all") || !strcmp(arg, "--branches") ||
@@ -2027,8 +2066,8 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->abbrev = strtoul(optarg, NULL, 10);
if (revs->abbrev < MINIMUM_ABBREV)
revs->abbrev = MINIMUM_ABBREV;
- else if (revs->abbrev > 40)
- revs->abbrev = 40;
+ else if (revs->abbrev > hexsz)
+ revs->abbrev = hexsz;
} else if (!strcmp(arg, "--abbrev-commit")) {
revs->abbrev_commit = 1;
revs->abbrev_commit_given = 1;
@@ -2072,7 +2111,7 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_ERE;
} else if (!strcmp(arg, "--regexp-ignore-case") || !strcmp(arg, "-i")) {
revs->grep_filter.ignore_case = 1;
- revs->diffopt.flags.pickaxe_ignore_case = 1;
+ revs->diffopt.pickaxe_opts |= DIFF_PICKAXE_IGNORE_CASE;
} else if (!strcmp(arg, "--fixed-strings") || !strcmp(arg, "-F")) {
revs->grep_filter.pattern_type_option = GREP_PATTERN_TYPE_FIXED;
} else if (!strcmp(arg, "--perl-regexp") || !strcmp(arg, "-P")) {
@@ -2094,6 +2133,10 @@ static int handle_revision_opt(struct rev_info *revs, int argc, const char **arg
revs->limited = 1;
} else if (!strcmp(arg, "--ignore-missing")) {
revs->ignore_missing = 1;
+ } else if (!strcmp(arg, "--exclude-promisor-objects")) {
+ if (fetch_if_missing)
+ BUG("exclude_promisor_objects can only be used when fetch_if_missing is 0");
+ revs->exclude_promisor_objects = 1;
} else {
int opts = diff_opt_parse(&revs->diffopt, argv, argc, revs->prefix);
if (!opts)
@@ -2158,10 +2201,10 @@ static int handle_revision_pseudo_opt(const char *submodule,
* supported right now, so stick to single worktree.
*/
if (!revs->single_worktree)
- die("BUG: --single-worktree cannot be used together with submodule");
+ BUG("--single-worktree cannot be used together with submodule");
refs = get_submodule_ref_store(submodule);
} else
- refs = get_main_ref_store();
+ refs = get_main_ref_store(the_repository);
/*
* NOTE!
@@ -2403,11 +2446,14 @@ int setup_revisions(int argc, const char **argv, struct rev_info *revs, struct s
revs->diff = 1;
/* Pickaxe, diff-filter and rename following need diffs */
- if (revs->diffopt.pickaxe ||
+ if ((revs->diffopt.pickaxe_opts & DIFF_PICKAXE_KINDS_MASK) ||
revs->diffopt.filter ||
revs->diffopt.flags.follow_renames)
revs->diff = 1;
+ if (revs->diffopt.objfind)
+ revs->simplify_history = 0;
+
if (revs->topo_order)
revs->limited = 1;
@@ -2836,6 +2882,16 @@ void reset_revision_walk(void)
clear_object_flags(SEEN | ADDED | SHOWN);
}
+static int mark_uninteresting(const struct object_id *oid,
+ struct packed_git *pack,
+ uint32_t pos,
+ void *unused)
+{
+ struct object *o = parse_object(the_repository, oid);
+ o->flags |= UNINTERESTING | SEEN;
+ return 0;
+}
+
int prepare_revision_walk(struct rev_info *revs)
{
int i;
@@ -2863,6 +2919,11 @@ int prepare_revision_walk(struct rev_info *revs)
(revs->limited && limiting_can_increase_treesame(revs)))
revs->treesame.name = "treesame";
+ if (revs->exclude_promisor_objects) {
+ for_each_packed_object(mark_uninteresting, NULL,
+ FOR_EACH_OBJECT_PROMISOR_ONLY);
+ }
+
if (revs->no_walk != REVISION_WALK_NO_WALK_UNSORTED)
commit_list_sort_by_date(&revs->commits);
if (revs->no_walk)
@@ -3053,7 +3114,7 @@ enum commit_action get_commit_action(struct rev_info *revs, struct commit *commi
{
if (commit->object.flags & SHOWN)
return commit_ignore;
- if (revs->unpacked && has_sha1_pack(commit->object.oid.hash))
+ if (revs->unpacked && has_object_pack(&commit->object.oid))
return commit_ignore;
if (commit->object.flags & UNINTERESTING)
return commit_ignore;