static void mark_recent_complete_commits(struct fetch_pack_args *args,
unsigned long cutoff)
{
while (complete && cutoff <= complete->item->date) {
if (args->verbose)
fprintf(stderr, "Marking %s as complete\n",
oid_to_hex(&complete->item->object.oid));
pop_most_recent_commit(&complete, COMPLETE);
}
}
/*
* Write out any suspect information which depends on the path. This must be
* handled separately from emit_one_suspect_detail(), because a given commit
* may have changes in multiple paths. So this needs to appear each time
* we mention a new group.
*
* To allow LF and other nonportable characters in pathnames,
* they are c-style quoted as needed.
*/
static void write_filename_info(struct blame_origin *suspect)
{
if (suspect->previous) {
struct blame_origin *prev = suspect->previous;
printf("previous %s ", oid_to_hex(&prev->commit->object.oid));
write_name_quoted(prev->path, stdout, '\n');
}
printf("filename ");
write_name_quoted(suspect->path, stdout, '\n');
}
static int show_text_ref(const char *name, const struct object_id *oid,
int flag, void *cb_data)
{
const char *name_nons = strip_namespace(name);
struct strbuf *buf = cb_data;
struct object *o = parse_object(the_repository, oid);
if (!o)
return 0;
strbuf_addf(buf, "%s\t%s\n", oid_to_hex(oid), name_nons);
if (o->type == OBJ_TAG) {
o = deref_tag(the_repository, o, name, 0);
if (!o)
return 0;
strbuf_addf(buf, "%s\t%s^{}\n", oid_to_hex(&o->oid),
name_nons);
}
return 0;
}
static int is_original_commit_empty(struct commit *commit)
{
const unsigned char *ptree_sha1;
if (parse_commit(commit))
return error(_("could not parse commit %s\n"),
oid_to_hex(&commit->object.oid));
if (commit->parents) {
struct commit *parent = commit->parents->item;
if (parse_commit(parent))
return error(_("could not parse parent commit %s\n"),
oid_to_hex(&parent->object.oid));
ptree_sha1 = parent->tree->object.oid.hash;
} else {
ptree_sha1 = EMPTY_TREE_SHA1_BIN; /* commit is root */
}
return !hashcmp(ptree_sha1, commit->tree->object.oid.hash);
}
static void feed_object(const struct object_id *oid, FILE *fh, int negative)
{
if (negative && !has_object_file(oid))
return;
if (negative)
putc('^', fh);
fputs(oid_to_hex(oid), fh);
putc('\n', fh);
}
static void add_common(struct strbuf *req_buf, struct oidset *common)
{
struct oidset_iter iter;
const struct object_id *oid;
oidset_iter_init(common, &iter);
while ((oid = oidset_iter_next(&iter))) {
packet_buf_write(req_buf, "have %s\n", oid_to_hex(oid));
}
}
static void warn_multiple_config(const struct object_id *treeish_name,
const char *name, const char *option)
{
const char *commit_string = "WORKTREE";
if (treeish_name)
commit_string = oid_to_hex(treeish_name);
warning("%s:.gitmodules, multiple configurations found for "
"'submodule.%s.%s'. Skipping second one!",
commit_string, name, option);
}
static void parse_treeish_arg(const char **argv,
struct archiver_args *ar_args, const char *prefix,
int remote)
{
const char *name = argv[0];
const unsigned char *commit_sha1;
time_t archive_time;
struct tree *tree;
const struct commit *commit;
struct object_id oid;
/* Remotes are only allowed to fetch actual refs */
if (remote && !remote_allow_unreachable) {
char *ref = NULL;
const char *colon = strchrnul(name, ':');
int refnamelen = colon - name;
if (!dwim_ref(name, refnamelen, &oid, &ref))
die(_("no such ref: %.*s"), refnamelen, name);
free(ref);
}
if (get_oid(name, &oid))
die(_("not a valid object name: %s"), name);
commit = lookup_commit_reference_gently(ar_args->repo, &oid, 1);
if (commit) {
commit_sha1 = commit->object.oid.hash;
archive_time = commit->date;
} else {
commit_sha1 = NULL;
archive_time = time(NULL);
}
tree = parse_tree_indirect(&oid);
if (tree == NULL)
die(_("not a tree object: %s"), oid_to_hex(&oid));
if (prefix) {
struct object_id tree_oid;
unsigned int mode;
int err;
err = get_tree_entry(&tree->object.oid, prefix, &tree_oid,
&mode);
if (err || !S_ISDIR(mode))
die(_("current working directory is untracked"));
tree = parse_tree_indirect(&tree_oid);
}
ar_args->tree = tree;
ar_args->commit_sha1 = commit_sha1;
ar_args->commit = commit;
ar_args->time = archive_time;
}
static int add_info_ref(const char *path, const struct object_id *oid,
int flag, void *cb_data)
{
FILE *fp = cb_data;
struct object *o = parse_object(oid->hash);
if (!o)
return -1;
if (fprintf(fp, "%s %s\n", oid_to_hex(oid), path) < 0)
return -1;
if (o->type == OBJ_TAG) {
o = deref_tag(o, path, 0);
if (o)
if (fprintf(fp, "%s %s^{}\n",
oid_to_hex(&o->oid), path) < 0)
return -1;
}
return 0;
}
static int show_object_fast(
const struct object_id *oid,
enum object_type type,
int exclude,
uint32_t name_hash,
struct packed_git *found_pack,
off_t found_offset)
{
fprintf(stdout, "%s\n", oid_to_hex(oid));
return 1;
}
static void print_bases(struct base_tree_info *bases)
{
int i;
/* Only do this once, either for the cover or for the first one */
if (is_null_oid(&bases->base_commit))
return;
/* Show the base commit */
printf("base-commit: %s\n", oid_to_hex(&bases->base_commit));
/* Show the prerequisite patches */
for (i = bases->nr_patch_id - 1; i >= 0; i--)
printf("prerequisite-patch-id: %s\n", oid_to_hex(&bases->patch_id[i]));
free(bases->patch_id);
bases->nr_patch_id = 0;
bases->alloc_patch_id = 0;
oidclr(&bases->base_commit);
}
/*
* When we cannot load the full patch-id for both commits for whatever
* reason, the function returns -1 (i.e. return error(...)). Despite
* the "neq" in the name of this function, the caller only cares about
* the return value being zero (a and b are equivalent) or non-zero (a
* and b are different), and returning non-zero would keep both in the
* result, even if they actually were equivalent, in order to err on
* the side of safety. The actual value being negative does not have
* any significance; only that it is non-zero matters.
*/
static int patch_id_neq(const void *cmpfn_data,
const void *entry,
const void *entry_or_key,
const void *unused_keydata)
{
/* NEEDSWORK: const correctness? */
struct diff_options *opt = (void *)cmpfn_data;
struct patch_id *a = (void *)entry;
struct patch_id *b = (void *)entry_or_key;
if (is_null_oid(&a->patch_id) &&
commit_patch_id(a->commit, opt, &a->patch_id, 0))
return error("Could not get patch ID for %s",
oid_to_hex(&a->commit->object.oid));
if (is_null_oid(&b->patch_id) &&
commit_patch_id(b->commit, opt, &b->patch_id, 0))
return error("Could not get patch ID for %s",
oid_to_hex(&b->commit->object.oid));
return !oideq(&a->patch_id, &b->patch_id);
}
static int edit_and_replace(const char *object_ref, int force, int raw)
{
char *tmpfile;
enum object_type type;
struct object_id old_oid, new_oid, prev;
struct strbuf ref = STRBUF_INIT;
if (get_oid(object_ref, &old_oid) < 0)
return error("Not a valid object name: '%s'", object_ref);
type = oid_object_info(the_repository, &old_oid, NULL);
if (type < 0)
return error("unable to get object type for %s",
oid_to_hex(&old_oid));
if (check_ref_valid(&old_oid, &prev, &ref, force)) {
strbuf_release(&ref);
return -1;
}
strbuf_release(&ref);
tmpfile = git_pathdup("REPLACE_EDITOBJ");
if (export_object(&old_oid, type, raw, tmpfile)) {
free(tmpfile);
return -1;
}
if (launch_editor(tmpfile, NULL, NULL) < 0) {
free(tmpfile);
return error("editing object file failed");
}
if (import_object(&new_oid, type, raw, tmpfile)) {
free(tmpfile);
return -1;
}
free(tmpfile);
if (!oidcmp(&old_oid, &new_oid))
return error("new object is the same as the old one: '%s'", oid_to_hex(&old_oid));
return replace_object_oid(object_ref, &old_oid, "replacement", &new_oid, force);
}
static void output_refs(struct ref *refs)
{
struct ref *posn;
for (posn = refs; posn; posn = posn->next) {
if (posn->symref)
printf("@%s %s\n", posn->symref, posn->name);
else
printf("%s %s\n", oid_to_hex(&posn->old_oid), posn->name);
}
printf("\n");
fflush(stdout);
}
static const char *describe_object(struct fsck_options *o, struct object *obj)
{
static struct strbuf buf = STRBUF_INIT;
char *name;
strbuf_reset(&buf);
strbuf_addstr(&buf, oid_to_hex(&obj->oid));
if (o->object_names && (name = lookup_decoration(o->object_names, obj)))
strbuf_addf(&buf, " (%s)", name);
return buf.buf;
}
static int verify_cache(struct cache_entry **cache,
int entries, int flags)
{
int i, funny;
int silent = flags & WRITE_TREE_SILENT;
/* Verify that the tree is merged */
funny = 0;
for (i = 0; i < entries; i++) {
const struct cache_entry *ce = cache[i];
if (ce_stage(ce)) {
if (silent)
return -1;
if (10 < ++funny) {
fprintf(stderr, "...\n");
break;
}
fprintf(stderr, "%s: unmerged (%s)\n",
ce->name, oid_to_hex(&ce->oid));
}
}
if (funny)
return -1;
/* Also verify that the cache does not have path and path/file
* at the same time. At this point we know the cache has only
* stage 0 entries.
*/
funny = 0;
for (i = 0; i < entries - 1; i++) {
/* path/file always comes after path because of the way
* the cache is sorted. Also path can appear only once,
* which means conflicting one would immediately follow.
*/
const char *this_name = cache[i]->name;
const char *next_name = cache[i+1]->name;
int this_len = strlen(this_name);
if (this_len < strlen(next_name) &&
strncmp(this_name, next_name, this_len) == 0 &&
next_name[this_len] == '/') {
if (10 < ++funny) {
fprintf(stderr, "...\n");
break;
}
fprintf(stderr, "You have both %s and %s\n",
this_name, next_name);
}
}
if (funny)
return -1;
return 0;
}
static const char *describe_object(struct object *obj)
{
static struct strbuf buf = STRBUF_INIT;
char *name = name_objects ?
lookup_decoration(fsck_walk_options.object_names, obj) : NULL;
strbuf_reset(&buf);
strbuf_addstr(&buf, oid_to_hex(&obj->oid));
if (name)
strbuf_addf(&buf, " (%s)", name);
return buf.buf;
}
static void send_shallow(struct commit_list *result)
{
while (result) {
struct object *object = &result->item->object;
if (!(object->flags & (CLIENT_SHALLOW|NOT_SHALLOW))) {
packet_write_fmt(1, "shallow %s",
oid_to_hex(&object->oid));
register_shallow(the_repository, &object->oid);
shallow_nr++;
}
result = result->next;
}
}
struct object *parse_object(const struct object_id *oid)
{
unsigned long size;
enum object_type type;
int eaten;
const struct object_id *repl = lookup_replace_object(the_repository, oid);
void *buffer;
struct object *obj;
obj = lookup_object(oid->hash);
if (obj && obj->parsed)
return obj;
if ((obj && obj->type == OBJ_BLOB && has_object_file(oid)) ||
(!obj && has_object_file(oid) &&
oid_object_info(the_repository, oid, NULL) == OBJ_BLOB)) {
if (check_object_signature(repl, NULL, 0, NULL) < 0) {
error("sha1 mismatch %s", oid_to_hex(oid));
return NULL;
}
parse_blob_buffer(lookup_blob(oid), NULL, 0);
return lookup_object(oid->hash);
}
buffer = read_object_file(oid, &type, &size);
if (buffer) {
if (check_object_signature(repl, buffer, size, type_name(type)) < 0) {
free(buffer);
error("sha1 mismatch %s", oid_to_hex(repl));
return NULL;
}
obj = parse_object_buffer(oid, type, size, buffer, &eaten);
if (!eaten)
free(buffer);
return obj;
}
return NULL;
}
static void debug_stage(const char *label, const struct cache_entry *ce,
struct unpack_trees_options *o)
{
printf("%s ", label);
if (!ce)
printf("(missing)\n");
else if (ce == o->df_conflict_entry)
printf("(conflict)\n");
else
printf("%06o #%d %s %.8s\n",
ce->ce_mode, ce_stage(ce), ce->name,
oid_to_hex(&ce->oid));
}
static void new_parent(struct commit *parent, struct commit_list **parents_p)
{
struct object_id *oid = &parent->object.oid;
struct commit_list *parents;
for (parents = *parents_p; parents; parents = parents->next) {
if (parents->item == parent) {
error("duplicate parent %s ignored", oid_to_hex(oid));
return;
}
parents_p = &parents->next;
}
commit_list_insert(parent, parents_p);
}
static void update_abort_safety_file(void)
{
struct object_id head;
/* Do nothing on a single-pick */
if (!file_exists(git_path_seq_dir()))
return;
if (!get_oid("HEAD", &head))
write_file(git_path_abort_safety_file(), "%s", oid_to_hex(&head));
else
write_file(git_path_abort_safety_file(), "%s", "");
}
int parse_tag(struct tag *item)
{
enum object_type type;
void *data;
unsigned long size;
int ret;
if (item->object.parsed)
return 0;
data = read_object_file(&item->object.oid, &type, &size);
if (!data)
return error("Could not read %s",
oid_to_hex(&item->object.oid));
if (type != OBJ_TAG) {
free(data);
return error("Object %s not a tag",
oid_to_hex(&item->object.oid));
}
ret = parse_tag_buffer(item, data, size);
free(data);
return ret;
}
static int reset_index(const struct object_id *oid, int reset_type, int quiet)
{
int nr = 1;
struct tree_desc desc[2];
struct tree *tree;
struct unpack_trees_options opts;
memset(&opts, 0, sizeof(opts));
opts.head_idx = 1;
opts.src_index = &the_index;
opts.dst_index = &the_index;
opts.fn = oneway_merge;
opts.merge = 1;
if (!quiet)
opts.verbose_update = 1;
switch (reset_type) {
case KEEP:
case MERGE:
opts.update = 1;
break;
case HARD:
opts.update = 1;
/* fallthrough */
default:
opts.reset = 1;
}
read_cache_unmerged();
if (reset_type == KEEP) {
struct object_id head_oid;
if (get_oid("HEAD", &head_oid))
return error(_("You do not have a valid HEAD."));
if (!fill_tree_descriptor(desc, head_oid.hash))
return error(_("Failed to find tree of HEAD."));
nr++;
opts.fn = twoway_merge;
}
if (!fill_tree_descriptor(desc + nr - 1, oid->hash))
return error(_("Failed to find tree of %s."), oid_to_hex(oid));
if (unpack_trees(nr, desc, &opts))
return -1;
if (reset_type == MIXED || reset_type == HARD) {
tree = parse_tree_indirect(oid->hash);
prime_cache_tree(&the_index, tree);
}
return 0;
}
static void add_remote_info_ref(struct remote_ls_ctx *ls)
{
struct strbuf *buf = (struct strbuf *)ls->userData;
struct object *o;
struct ref *ref;
ref = alloc_ref(ls->dentry_name);
if (http_fetch_ref(repo->url, ref) != 0) {
fprintf(stderr,
"Unable to fetch ref %s from %s\n",
ls->dentry_name, repo->url);
aborted = 1;
free(ref);
return;
}
o = parse_object(&ref->old_oid);
if (!o) {
fprintf(stderr,
"Unable to parse object %s for remote ref %s\n",
oid_to_hex(&ref->old_oid), ls->dentry_name);
aborted = 1;
free(ref);
return;
}
strbuf_addf(buf, "%s\t%s\n",
oid_to_hex(&ref->old_oid), ls->dentry_name);
if (o->type == OBJ_TAG) {
o = deref_tag(o, ls->dentry_name, 0);
if (o)
strbuf_addf(buf, "%s\t%s^{}\n",
oid_to_hex(&o->oid), ls->dentry_name);
}
free(ref);
}
static void exit_if_skipped_commits(struct commit_list *tried,
const struct object_id *bad)
{
if (!tried)
return;
printf("There are only 'skip'ped commits left to test.\n"
"The first %s commit could be any of:\n", term_bad);
print_commit_list(tried, "%s\n", "%s\n");
if (bad)
printf("%s\n", oid_to_hex(bad));
printf("We cannot bisect more!\n");
exit(2);
}
static void show_worktree_porcelain(struct worktree *wt)
{
printf("worktree %s\n", wt->path);
if (wt->is_bare)
printf("bare\n");
else {
printf("HEAD %s\n", oid_to_hex(&wt->head_oid));
if (wt->is_detached)
printf("detached\n");
else if (wt->head_ref)
printf("branch %s\n", wt->head_ref);
}
printf("\n");
}
static void write_extended_header(struct archiver_args *args,
const struct object_id *oid,
const void *buffer, unsigned long size)
{
struct ustar_header header;
unsigned int mode;
memset(&header, 0, sizeof(header));
*header.typeflag = TYPEFLAG_EXT_HEADER;
mode = 0100666;
xsnprintf(header.name, sizeof(header.name), "%s.paxheader", oid_to_hex(oid));
prepare_header(args, &header, mode, size);
write_blocked(&header, sizeof(header));
write_blocked(buffer, size);
}
/*
* Returns 1 if every object pointed to by the given remote refs is available
* locally and reachable from a local ref, and 0 otherwise.
*/
static int everything_local(struct fetch_pack_args *args,
struct ref **refs)
{
struct ref *ref;
int retval;
for (retval = 1, ref = *refs; ref ; ref = ref->next) {
const struct object_id *remote = &ref->old_oid;
struct object *o;
o = lookup_object(the_repository, 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);
}
return retval;
}
static int grep_source_load_oid(struct grep_source *gs)
{
enum object_type type;
grep_read_lock();
gs->buf = read_sha1_file(gs->identifier, &type, &gs->size);
grep_read_unlock();
if (!gs->buf)
return error(_("'%s': unable to read %s"),
gs->name,
oid_to_hex(gs->identifier));
return 0;
}
