int fsck_finish(struct fsck_options *options)
{
int ret = 0;
struct oidset_iter iter;
const struct object_id *oid;
oidset_iter_init(&gitmodules_found, &iter);
while ((oid = oidset_iter_next(&iter))) {
struct blob *blob;
enum object_type type;
unsigned long size;
char *buf;
if (oidset_contains(&gitmodules_done, oid))
continue;
blob = lookup_blob(oid);
if (!blob) {
struct object *obj = lookup_unknown_object(oid->hash);
ret |= report(options, obj,
FSCK_MSG_GITMODULES_BLOB,
"non-blob found at .gitmodules");
continue;
}
buf = read_object_file(oid, &type, &size);
if (!buf) {
if (is_promisor_object(&blob->object.oid))
continue;
ret |= report(options, &blob->object,
FSCK_MSG_GITMODULES_MISSING,
"unable to read .gitmodules blob");
continue;
}
if (type == OBJ_BLOB)
ret |= fsck_blob(blob, buf, size, options);
else
ret |= report(options, &blob->object,
FSCK_MSG_GITMODULES_BLOB,
"non-blob found at .gitmodules");
free(buf);
}
oidset_clear(&gitmodules_found);
oidset_clear(&gitmodules_done);
return ret;
}
int cmd_rev_list(int argc, const char **argv, const char *prefix)
{
struct rev_info revs;
struct rev_list_info info;
int i;
int bisect_list = 0;
int bisect_show_vars = 0;
int bisect_find_all = 0;
int use_bitmap_index = 0;
const char *show_progress = NULL;
if (argc == 2 && !strcmp(argv[1], "-h"))
usage(rev_list_usage);
git_config(git_default_config, NULL);
init_revisions(&revs, prefix);
revs.abbrev = DEFAULT_ABBREV;
revs.commit_format = CMIT_FMT_UNSPECIFIED;
/*
* Scan the argument list before invoking setup_revisions(), so that we
* know if fetch_if_missing needs to be set to 0.
*
* "--exclude-promisor-objects" acts as a pre-filter on missing objects
* by not crossing the boundary from realized objects to promisor
* objects.
*
* Let "--missing" to conditionally set fetch_if_missing.
*/
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--exclude-promisor-objects")) {
fetch_if_missing = 0;
revs.exclude_promisor_objects = 1;
break;
}
}
for (i = 1; i < argc; i++) {
const char *arg = argv[i];
if (skip_prefix(arg, "--missing=", &arg)) {
if (revs.exclude_promisor_objects)
die(_("cannot combine --exclude-promisor-objects and --missing"));
if (parse_missing_action_value(arg))
break;
}
}
argc = setup_revisions(argc, argv, &revs, NULL);
memset(&info, 0, sizeof(info));
info.revs = &revs;
if (revs.bisect)
bisect_list = 1;
if (revs.diffopt.flags.quick)
info.flags |= REV_LIST_QUIET;
for (i = 1 ; i < argc; i++) {
const char *arg = argv[i];
if (!strcmp(arg, "--header")) {
revs.verbose_header = 1;
continue;
}
if (!strcmp(arg, "--timestamp")) {
info.show_timestamp = 1;
continue;
}
if (!strcmp(arg, "--bisect")) {
bisect_list = 1;
continue;
}
if (!strcmp(arg, "--bisect-all")) {
bisect_list = 1;
bisect_find_all = 1;
info.flags |= BISECT_SHOW_ALL;
revs.show_decorations = 1;
continue;
}
if (!strcmp(arg, "--bisect-vars")) {
bisect_list = 1;
bisect_show_vars = 1;
continue;
}
if (!strcmp(arg, "--use-bitmap-index")) {
use_bitmap_index = 1;
continue;
}
if (!strcmp(arg, "--test-bitmap")) {
test_bitmap_walk(&revs);
return 0;
}
if (skip_prefix(arg, "--progress=", &arg)) {
show_progress = arg;
continue;
}
if (skip_prefix(arg, ("--" CL_ARG__FILTER "="), &arg)) {
parse_list_objects_filter(&filter_options, arg);
if (filter_options.choice && !revs.blob_objects)
die(_("object filtering requires --objects"));
if (filter_options.choice == LOFC_SPARSE_OID &&
!filter_options.sparse_oid_value)
die(_("invalid sparse value '%s'"),
filter_options.filter_spec);
continue;
}
if (!strcmp(arg, ("--no-" CL_ARG__FILTER))) {
list_objects_filter_set_no_filter(&filter_options);
continue;
}
if (!strcmp(arg, "--filter-print-omitted")) {
arg_print_omitted = 1;
continue;
}
if (!strcmp(arg, "--exclude-promisor-objects"))
continue; /* already handled above */
if (skip_prefix(arg, "--missing=", &arg))
continue; /* already handled above */
usage(rev_list_usage);
}
if (revs.commit_format != CMIT_FMT_UNSPECIFIED) {
/* The command line has a --pretty */
info.hdr_termination = '\n';
if (revs.commit_format == CMIT_FMT_ONELINE)
info.header_prefix = "";
else
info.header_prefix = "commit ";
}
else if (revs.verbose_header)
/* Only --header was specified */
revs.commit_format = CMIT_FMT_RAW;
if ((!revs.commits && reflog_walk_empty(revs.reflog_info) &&
(!(revs.tag_objects || revs.tree_objects || revs.blob_objects) &&
!revs.pending.nr) &&
!revs.rev_input_given && !revs.read_from_stdin) ||
revs.diff)
usage(rev_list_usage);
if (revs.show_notes)
die(_("rev-list does not support display of notes"));
if (filter_options.choice && use_bitmap_index)
die(_("cannot combine --use-bitmap-index with object filtering"));
save_commit_buffer = (revs.verbose_header ||
revs.grep_filter.pattern_list ||
revs.grep_filter.header_list);
if (bisect_list)
revs.limited = 1;
if (show_progress)
progress = start_delayed_progress(show_progress, 0);
if (use_bitmap_index && !revs.prune) {
if (revs.count && !revs.left_right && !revs.cherry_mark) {
uint32_t commit_count;
int max_count = revs.max_count;
struct bitmap_index *bitmap_git;
if ((bitmap_git = prepare_bitmap_walk(&revs))) {
count_bitmap_commit_list(bitmap_git, &commit_count, NULL, NULL, NULL);
if (max_count >= 0 && max_count < commit_count)
commit_count = max_count;
printf("%d\n", commit_count);
free_bitmap_index(bitmap_git);
return 0;
}
} else if (revs.max_count < 0 &&
revs.tag_objects && revs.tree_objects && revs.blob_objects) {
struct bitmap_index *bitmap_git;
if ((bitmap_git = prepare_bitmap_walk(&revs))) {
traverse_bitmap_commit_list(bitmap_git, &show_object_fast);
free_bitmap_index(bitmap_git);
return 0;
}
}
}
if (prepare_revision_walk(&revs))
die("revision walk setup failed");
if (revs.tree_objects)
mark_edges_uninteresting(&revs, show_edge);
if (bisect_list) {
int reaches, all;
find_bisection(&revs.commits, &reaches, &all, bisect_find_all);
if (bisect_show_vars)
return show_bisect_vars(&info, reaches, all);
}
if (arg_print_omitted)
oidset_init(&omitted_objects, DEFAULT_OIDSET_SIZE);
if (arg_missing_action == MA_PRINT)
oidset_init(&missing_objects, DEFAULT_OIDSET_SIZE);
traverse_commit_list_filtered(
&filter_options, &revs, show_commit, show_object, &info,
(arg_print_omitted ? &omitted_objects : NULL));
if (arg_print_omitted) {
struct oidset_iter iter;
struct object_id *oid;
oidset_iter_init(&omitted_objects, &iter);
while ((oid = oidset_iter_next(&iter)))
printf("~%s\n", oid_to_hex(oid));
oidset_clear(&omitted_objects);
}
if (arg_missing_action == MA_PRINT) {
struct oidset_iter iter;
struct object_id *oid;
oidset_iter_init(&missing_objects, &iter);
while ((oid = oidset_iter_next(&iter)))
printf("?%s\n", oid_to_hex(oid));
oidset_clear(&missing_objects);
}
stop_progress(&progress);
if (revs.count) {
if (revs.left_right && revs.cherry_mark)
printf("%d\t%d\t%d\n", revs.count_left, revs.count_right, revs.count_same);
else if (revs.left_right)
printf("%d\t%d\n", revs.count_left, revs.count_right);
else if (revs.cherry_mark)
printf("%d\t%d\n", revs.count_left + revs.count_right, revs.count_same);
else
printf("%d\n", revs.count_left + revs.count_right);
}
return 0;
}
/*
* Mark recent commits available locally and reachable from a local ref as
* COMPLETE. If args->no_dependents is false, also mark COMPLETE remote refs as
* COMMON_REF (otherwise, we are not planning to participate in negotiation, and
* thus do not need COMMON_REF marks).
*
* The cutoff time for recency is determined by this heuristic: it is the
* earliest commit time of the objects in refs that are commits and that we know
* the commit time of.
*/
static void mark_complete_and_common_ref(struct fetch_negotiator *negotiator,
struct fetch_pack_args *args,
struct ref **refs)
{
struct ref *ref;
int old_save_commit_buffer = save_commit_buffer;
timestamp_t cutoff = 0;
struct oidset loose_oid_set = OIDSET_INIT;
int use_oidset = 0;
struct loose_object_iter iter = {&loose_oid_set, *refs};
/* Enumerate all loose objects or know refs are not so many. */
use_oidset = !for_each_loose_object(add_loose_objects_to_set,
&iter, 0);
save_commit_buffer = 0;
for (ref = *refs; ref; ref = ref->next) {
struct object *o;
unsigned int flags = OBJECT_INFO_QUICK;
if (use_oidset &&
!oidset_contains(&loose_oid_set, &ref->old_oid)) {
/*
* I know this does not exist in the loose form,
* so check if it exists in a non-loose form.
*/
flags |= OBJECT_INFO_IGNORE_LOOSE;
}
if (!has_object_file_with_flags(&ref->old_oid, flags))
continue;
o = parse_object(the_repository, &ref->old_oid);
if (!o)
continue;
/* We already have it -- which may mean that we were
* in sync with the other side at some time after
* that (it is OK if we guess wrong here).
*/
if (o->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)o;
if (!cutoff || cutoff < commit->date)
cutoff = commit->date;
}
}
oidset_clear(&loose_oid_set);
if (!args->deepen) {
for_each_ref(mark_complete_oid, NULL);
for_each_cached_alternate(NULL, mark_alternate_complete);
commit_list_sort_by_date(&complete);
if (cutoff)
mark_recent_complete_commits(args, cutoff);
}
/*
* Mark all complete remote refs as common refs.
* Don't mark them common yet; the server has to be told so first.
*/
for (ref = *refs; ref; ref = ref->next) {
struct object *o = deref_tag(the_repository,
lookup_object(the_repository,
ref->old_oid.hash),
NULL, 0);
if (!o || o->type != OBJ_COMMIT || !(o->flags & COMPLETE))
continue;
negotiator->known_common(negotiator,
(struct commit *)o);
}
save_commit_buffer = old_save_commit_buffer;
}
static void filter_refs(struct fetch_pack_args *args,
struct ref **refs,
struct ref **sought, int nr_sought)
{
struct ref *newlist = NULL;
struct ref **newtail = &newlist;
struct ref *unmatched = NULL;
struct ref *ref, *next;
struct oidset tip_oids = OIDSET_INIT;
int i;
int strict = !(allow_unadvertised_object_request &
(ALLOW_TIP_SHA1 | ALLOW_REACHABLE_SHA1));
i = 0;
for (ref = *refs; ref; ref = next) {
int keep = 0;
next = ref->next;
if (starts_with(ref->name, "refs/") &&
check_refname_format(ref->name, 0))
; /* trash */
else {
while (i < nr_sought) {
int cmp = strcmp(ref->name, sought[i]->name);
if (cmp < 0)
break; /* definitely do not have it */
else if (cmp == 0) {
keep = 1; /* definitely have it */
sought[i]->match_status = REF_MATCHED;
}
i++;
}
if (!keep && args->fetch_all &&
(!args->deepen || !starts_with(ref->name, "refs/tags/")))
keep = 1;
}
if (keep) {
*newtail = ref;
ref->next = NULL;
newtail = &ref->next;
} else {
ref->next = unmatched;
unmatched = ref;
}
}
if (strict) {
for (i = 0; i < nr_sought; i++) {
ref = sought[i];
if (!is_unmatched_ref(ref))
continue;
add_refs_to_oidset(&tip_oids, unmatched);
add_refs_to_oidset(&tip_oids, newlist);
break;
}
}
/* Append unmatched requests to the list */
for (i = 0; i < nr_sought; i++) {
ref = sought[i];
if (!is_unmatched_ref(ref))
continue;
if (!strict || oidset_contains(&tip_oids, &ref->old_oid)) {
ref->match_status = REF_MATCHED;
*newtail = copy_ref(ref);
newtail = &(*newtail)->next;
} else {
ref->match_status = REF_UNADVERTISED_NOT_ALLOWED;
}
}
oidset_clear(&tip_oids);
for (ref = unmatched; ref; ref = next) {
next = ref->next;
free(ref);
}
*refs = newlist;
}
static struct ref *do_fetch_pack_v2(struct fetch_pack_args *args,
int fd[2],
const struct ref *orig_ref,
struct ref **sought, int nr_sought,
char **pack_lockfile)
{
struct ref *ref = copy_ref_list(orig_ref);
enum fetch_state state = FETCH_CHECK_LOCAL;
struct oidset common = OIDSET_INIT;
struct packet_reader reader;
int in_vain = 0;
int haves_to_send = INITIAL_FLUSH;
struct fetch_negotiator negotiator;
fetch_negotiator_init(&negotiator, negotiation_algorithm);
packet_reader_init(&reader, fd[0], NULL, 0,
PACKET_READ_CHOMP_NEWLINE);
while (state != FETCH_DONE) {
switch (state) {
case FETCH_CHECK_LOCAL:
sort_ref_list(&ref, ref_compare_name);
QSORT(sought, nr_sought, cmp_ref_by_name);
/* v2 supports these by default */
allow_unadvertised_object_request |= ALLOW_REACHABLE_SHA1;
use_sideband = 2;
if (args->depth > 0 || args->deepen_since || args->deepen_not)
args->deepen = 1;
/* Filter 'ref' by 'sought' and those that aren't local */
if (!args->no_dependents) {
mark_complete_and_common_ref(&negotiator, args, &ref);
filter_refs(args, &ref, sought, nr_sought);
if (everything_local(args, &ref))
state = FETCH_DONE;
else
state = FETCH_SEND_REQUEST;
mark_tips(&negotiator, args->negotiation_tips);
for_each_cached_alternate(&negotiator,
insert_one_alternate_object);
} else {
filter_refs(args, &ref, sought, nr_sought);
state = FETCH_SEND_REQUEST;
}
break;
case FETCH_SEND_REQUEST:
if (send_fetch_request(&negotiator, fd[1], args, ref,
&common,
&haves_to_send, &in_vain))
state = FETCH_GET_PACK;
else
state = FETCH_PROCESS_ACKS;
break;
case FETCH_PROCESS_ACKS:
/* Process ACKs/NAKs */
switch (process_acks(&negotiator, &reader, &common)) {
case 2:
state = FETCH_GET_PACK;
break;
case 1:
in_vain = 0;
/* fallthrough */
default:
state = FETCH_SEND_REQUEST;
break;
}
break;
case FETCH_GET_PACK:
/* Check for shallow-info section */
if (process_section_header(&reader, "shallow-info", 1))
receive_shallow_info(args, &reader);
if (process_section_header(&reader, "wanted-refs", 1))
receive_wanted_refs(&reader, sought, nr_sought);
/* get the pack */
process_section_header(&reader, "packfile", 0);
if (get_pack(args, fd, pack_lockfile))
die(_("git fetch-pack: fetch failed."));
state = FETCH_DONE;
break;
case FETCH_DONE:
continue;
}
}
negotiator.release(&negotiator);
oidset_clear(&common);
return ref;
}
static int everything_local(struct fetch_pack_args *args,
struct ref **refs,
struct ref **sought, int nr_sought)
{
struct ref *ref;
int retval;
int old_save_commit_buffer = save_commit_buffer;
timestamp_t cutoff = 0;
struct oidset loose_oid_set = OIDSET_INIT;
int use_oidset = 0;
struct loose_object_iter iter = {&loose_oid_set, *refs};
/* Enumerate all loose objects or know refs are not so many. */
use_oidset = !for_each_loose_object(add_loose_objects_to_set,
&iter, 0);
save_commit_buffer = 0;
for (ref = *refs; ref; ref = ref->next) {
struct object *o;
unsigned int flags = OBJECT_INFO_QUICK;
if (use_oidset &&
!oidset_contains(&loose_oid_set, &ref->old_oid)) {
/*
* I know this does not exist in the loose form,
* so check if it exists in a non-loose form.
*/
flags |= OBJECT_INFO_IGNORE_LOOSE;
}
if (!has_object_file_with_flags(&ref->old_oid, flags))
continue;
o = parse_object(&ref->old_oid);
if (!o)
continue;
/* We already have it -- which may mean that we were
* in sync with the other side at some time after
* that (it is OK if we guess wrong here).
*/
if (o->type == OBJ_COMMIT) {
struct commit *commit = (struct commit *)o;
if (!cutoff || cutoff < commit->date)
cutoff = commit->date;
}
}
oidset_clear(&loose_oid_set);
if (!args->no_dependents) {
if (!args->deepen) {
for_each_ref(mark_complete_oid, NULL);
for_each_cached_alternate(mark_alternate_complete);
commit_list_sort_by_date(&complete);
if (cutoff)
mark_recent_complete_commits(args, cutoff);
}
/*
* Mark all complete remote refs as common refs.
* Don't mark them common yet; the server has to be told so first.
*/
for (ref = *refs; ref; ref = ref->next) {
struct object *o = deref_tag(lookup_object(ref->old_oid.hash),
NULL, 0);
if (!o || o->type != OBJ_COMMIT || !(o->flags & COMPLETE))
continue;
if (!(o->flags & SEEN)) {
rev_list_push((struct commit *)o, COMMON_REF | SEEN);
mark_common((struct commit *)o, 1, 1);
}
}
}
filter_refs(args, refs, sought, nr_sought);
for (retval = 1, ref = *refs; ref ; ref = ref->next) {
const struct object_id *remote = &ref->old_oid;
struct object *o;
o = lookup_object(remote->hash);
if (!o || !(o->flags & COMPLETE)) {
retval = 0;
print_verbose(args, "want %s (%s)", oid_to_hex(remote),
ref->name);
continue;
}
print_verbose(args, _("already have %s (%s)"), oid_to_hex(remote),
ref->name);
}
save_commit_buffer = old_save_commit_buffer;
return retval;
}