#include "packfile.h"
#include "object-store.h"
#include "repository.h"
+#include "submodule.h"
+#include "midx.h"
+#include "commit-reach.h"
-static int get_oid_oneline(const char *, struct object_id *, struct commit_list *);
+static int get_oid_oneline(struct repository *r, const char *, struct object_id *, struct commit_list *);
-typedef int (*disambiguate_hint_fn)(const struct object_id *, void *);
+typedef int (*disambiguate_hint_fn)(struct repository *, const struct object_id *, void *);
struct disambiguate_state {
int len; /* length of prefix in hex chars */
char hex_pfx[GIT_MAX_HEXSZ + 1];
struct object_id bin_pfx;
+ struct repository *repo;
disambiguate_hint_fn fn;
void *cb_data;
struct object_id candidate;
static void update_candidates(struct disambiguate_state *ds, const struct object_id *current)
{
if (ds->always_call_fn) {
- ds->ambiguous = ds->fn(current, ds->cb_data) ? 1 : 0;
+ ds->ambiguous = ds->fn(ds->repo, current, ds->cb_data) ? 1 : 0;
return;
}
if (!ds->candidate_exists) {
oidcpy(&ds->candidate, current);
ds->candidate_exists = 1;
return;
- } else if (!oidcmp(&ds->candidate, current)) {
+ } else if (oideq(&ds->candidate, current)) {
/* the same as what we already have seen */
return;
}
}
if (!ds->candidate_checked) {
- ds->candidate_ok = ds->fn(&ds->candidate, ds->cb_data);
+ ds->candidate_ok = ds->fn(ds->repo, &ds->candidate, ds->cb_data);
ds->disambiguate_fn_used = 1;
ds->candidate_checked = 1;
}
}
/* if we reach this point, we know ds->candidate satisfies fn */
- if (ds->fn(current, ds->cb_data)) {
+ if (ds->fn(ds->repo, current, ds->cb_data)) {
/*
* if both current and candidate satisfy fn, we cannot
* disambiguate.
/* otherwise, current can be discarded and candidate is still good */
}
-static int append_loose_object(const struct object_id *oid, const char *path,
- void *data)
-{
- oid_array_append(data, oid);
- return 0;
-}
-
static int match_sha(unsigned, const unsigned char *, const unsigned char *);
static void find_short_object_filename(struct disambiguate_state *ds)
{
- int subdir_nr = ds->bin_pfx.hash[0];
- struct alternate_object_database *alt;
- static struct alternate_object_database *fakeent;
-
- if (!fakeent) {
- /*
- * Create a "fake" alternate object database that
- * points to our own object database, to make it
- * easier to get a temporary working space in
- * alt->name/alt->base while iterating over the
- * object databases including our own.
- */
- fakeent = alloc_alt_odb(get_object_directory());
- }
- fakeent->next = the_repository->objects->alt_odb_list;
+ struct object_directory *odb;
- for (alt = fakeent; alt && !ds->ambiguous; alt = alt->next) {
+ for (odb = ds->repo->objects->odb; odb && !ds->ambiguous; odb = odb->next) {
int pos;
+ struct oid_array *loose_objects;
- if (!alt->loose_objects_subdir_seen[subdir_nr]) {
- struct strbuf *buf = alt_scratch_buf(alt);
- for_each_file_in_obj_subdir(subdir_nr, buf,
- append_loose_object,
- NULL, NULL,
- &alt->loose_objects_cache);
- alt->loose_objects_subdir_seen[subdir_nr] = 1;
- }
-
- pos = oid_array_lookup(&alt->loose_objects_cache, &ds->bin_pfx);
+ loose_objects = odb_loose_cache(odb, &ds->bin_pfx);
+ pos = oid_array_lookup(loose_objects, &ds->bin_pfx);
if (pos < 0)
pos = -1 - pos;
- while (!ds->ambiguous && pos < alt->loose_objects_cache.nr) {
+ while (!ds->ambiguous && pos < loose_objects->nr) {
const struct object_id *oid;
- oid = alt->loose_objects_cache.oid + pos;
+ oid = loose_objects->oid + pos;
if (!match_sha(ds->len, ds->bin_pfx.hash, oid->hash))
break;
update_candidates(ds, oid);
return 1;
}
+static void unique_in_midx(struct multi_pack_index *m,
+ struct disambiguate_state *ds)
+{
+ uint32_t num, i, first = 0;
+ const struct object_id *current = NULL;
+ num = m->num_objects;
+
+ if (!num)
+ return;
+
+ bsearch_midx(&ds->bin_pfx, m, &first);
+
+ /*
+ * At this point, "first" is the location of the lowest object
+ * with an object name that could match "bin_pfx". See if we have
+ * 0, 1 or more objects that actually match(es).
+ */
+ for (i = first; i < num && !ds->ambiguous; i++) {
+ struct object_id oid;
+ current = nth_midxed_object_oid(&oid, m, i);
+ if (!match_sha(ds->len, ds->bin_pfx.hash, current->hash))
+ break;
+ update_candidates(ds, current);
+ }
+}
+
static void unique_in_pack(struct packed_git *p,
struct disambiguate_state *ds)
{
uint32_t num, i, first = 0;
const struct object_id *current = NULL;
+ if (p->multi_pack_index)
+ return;
+
if (open_pack_index(p) || !p->num_objects)
return;
static void find_short_packed_object(struct disambiguate_state *ds)
{
+ struct multi_pack_index *m;
struct packed_git *p;
- for (p = get_packed_git(the_repository); p && !ds->ambiguous;
+ for (m = get_multi_pack_index(ds->repo); m && !ds->ambiguous;
+ m = m->next)
+ unique_in_midx(m, ds);
+ for (p = get_packed_git(ds->repo); p && !ds->ambiguous;
p = p->next)
unique_in_pack(p, ds);
}
-#define SHORT_NAME_NOT_FOUND (-1)
-#define SHORT_NAME_AMBIGUOUS (-2)
-
static int finish_object_disambiguation(struct disambiguate_state *ds,
struct object_id *oid)
{
return SHORT_NAME_AMBIGUOUS;
if (!ds->candidate_exists)
- return SHORT_NAME_NOT_FOUND;
+ return MISSING_OBJECT;
if (!ds->candidate_checked)
/*
* same repository!
*/
ds->candidate_ok = (!ds->disambiguate_fn_used ||
- ds->fn(&ds->candidate, ds->cb_data));
+ ds->fn(ds->repo, &ds->candidate, ds->cb_data));
if (!ds->candidate_ok)
return SHORT_NAME_AMBIGUOUS;
return 0;
}
-static int disambiguate_commit_only(const struct object_id *oid, void *cb_data_unused)
+static int disambiguate_commit_only(struct repository *r,
+ const struct object_id *oid,
+ void *cb_data_unused)
{
- int kind = oid_object_info(the_repository, oid, NULL);
+ int kind = oid_object_info(r, oid, NULL);
return kind == OBJ_COMMIT;
}
-static int disambiguate_committish_only(const struct object_id *oid, void *cb_data_unused)
+static int disambiguate_committish_only(struct repository *r,
+ const struct object_id *oid,
+ void *cb_data_unused)
{
struct object *obj;
int kind;
- kind = oid_object_info(the_repository, oid, NULL);
+ kind = oid_object_info(r, oid, NULL);
if (kind == OBJ_COMMIT)
return 1;
if (kind != OBJ_TAG)
return 0;
/* We need to do this the hard way... */
- obj = deref_tag(parse_object(oid), NULL, 0);
+ obj = deref_tag(r, parse_object(r, oid), NULL, 0);
if (obj && obj->type == OBJ_COMMIT)
return 1;
return 0;
}
-static int disambiguate_tree_only(const struct object_id *oid, void *cb_data_unused)
+static int disambiguate_tree_only(struct repository *r,
+ const struct object_id *oid,
+ void *cb_data_unused)
{
- int kind = oid_object_info(the_repository, oid, NULL);
+ int kind = oid_object_info(r, oid, NULL);
return kind == OBJ_TREE;
}
-static int disambiguate_treeish_only(const struct object_id *oid, void *cb_data_unused)
+static int disambiguate_treeish_only(struct repository *r,
+ const struct object_id *oid,
+ void *cb_data_unused)
{
struct object *obj;
int kind;
- kind = oid_object_info(the_repository, oid, NULL);
+ kind = oid_object_info(r, oid, NULL);
if (kind == OBJ_TREE || kind == OBJ_COMMIT)
return 1;
if (kind != OBJ_TAG)
return 0;
/* We need to do this the hard way... */
- obj = deref_tag(parse_object(oid), NULL, 0);
+ obj = deref_tag(r, parse_object(r, oid), NULL, 0);
if (obj && (obj->type == OBJ_TREE || obj->type == OBJ_COMMIT))
return 1;
return 0;
}
-static int disambiguate_blob_only(const struct object_id *oid, void *cb_data_unused)
+static int disambiguate_blob_only(struct repository *r,
+ const struct object_id *oid,
+ void *cb_data_unused)
{
- int kind = oid_object_info(the_repository, oid, NULL);
+ int kind = oid_object_info(r, oid, NULL);
return kind == OBJ_BLOB;
}
return error("unknown hint type for '%s': %s", var, value);
}
-static int init_object_disambiguation(const char *name, int len,
+static int init_object_disambiguation(struct repository *r,
+ const char *name, int len,
struct disambiguate_state *ds)
{
int i;
- if (len < MINIMUM_ABBREV || len > GIT_SHA1_HEXSZ)
+ if (len < MINIMUM_ABBREV || len > the_hash_algo->hexsz)
return -1;
memset(ds, 0, sizeof(*ds));
ds->len = len;
ds->hex_pfx[len] = '\0';
- prepare_alt_odb(the_repository);
+ ds->repo = r;
+ prepare_alt_odb(r);
return 0;
}
struct strbuf desc = STRBUF_INIT;
int type;
- if (ds->fn && !ds->fn(oid, ds->cb_data))
+ if (ds->fn && !ds->fn(ds->repo, oid, ds->cb_data))
return 0;
- type = oid_object_info(the_repository, oid, NULL);
+ type = oid_object_info(ds->repo, oid, NULL);
if (type == OBJ_COMMIT) {
- struct commit *commit = lookup_commit(oid);
+ struct commit *commit = lookup_commit(ds->repo, oid);
if (commit) {
struct pretty_print_context pp = {0};
pp.date_mode.type = DATE_SHORT;
format_commit_message(commit, " %ad - %s", &desc, &pp);
}
} else if (type == OBJ_TAG) {
- struct tag *tag = lookup_tag(oid);
+ struct tag *tag = lookup_tag(ds->repo, oid);
if (!parse_tag(tag) && tag->tag)
strbuf_addf(&desc, " %s", tag->tag);
}
advise(" %s %s%s",
- find_unique_abbrev(oid, DEFAULT_ABBREV),
+ repo_find_unique_abbrev(ds->repo, oid, DEFAULT_ABBREV),
type_name(type) ? type_name(type) : "unknown type",
desc.buf);
return 0;
}
-static int sort_ambiguous(const void *a, const void *b)
+static int repo_collect_ambiguous(struct repository *r,
+ const struct object_id *oid,
+ void *data)
+{
+ return collect_ambiguous(oid, data);
+}
+
+static int sort_ambiguous(const void *a, const void *b, void *ctx)
{
- int a_type = oid_object_info(the_repository, a, NULL);
- int b_type = oid_object_info(the_repository, b, NULL);
+ struct repository *sort_ambiguous_repo = ctx;
+ int a_type = oid_object_info(sort_ambiguous_repo, a, NULL);
+ int b_type = oid_object_info(sort_ambiguous_repo, b, NULL);
int a_type_sort;
int b_type_sort;
return a_type_sort > b_type_sort ? 1 : -1;
}
-static int get_short_oid(const char *name, int len, struct object_id *oid,
- unsigned flags)
+static void sort_ambiguous_oid_array(struct repository *r, struct oid_array *a)
+{
+ QSORT_S(a->oid, a->nr, sort_ambiguous, r);
+}
+
+static enum get_oid_result get_short_oid(struct repository *r,
+ const char *name, int len,
+ struct object_id *oid,
+ unsigned flags)
{
int status;
struct disambiguate_state ds;
int quietly = !!(flags & GET_OID_QUIETLY);
- if (init_object_disambiguation(name, len, &ds) < 0)
+ if (init_object_disambiguation(r, name, len, &ds) < 0)
return -1;
if (HAS_MULTI_BITS(flags & GET_OID_DISAMBIGUATORS))
find_short_packed_object(&ds);
status = finish_object_disambiguation(&ds, oid);
+ /*
+ * If we didn't find it, do the usual reprepare() slow-path,
+ * since the object may have recently been added to the repository
+ * or migrated from loose to packed.
+ */
+ if (status == MISSING_OBJECT) {
+ reprepare_packed_git(r);
+ find_short_object_filename(&ds);
+ find_short_packed_object(&ds);
+ status = finish_object_disambiguation(&ds, oid);
+ }
+
if (!quietly && (status == SHORT_NAME_AMBIGUOUS)) {
struct oid_array collect = OID_ARRAY_INIT;
ds.fn = NULL;
advise(_("The candidates are:"));
- for_each_abbrev(ds.hex_pfx, collect_ambiguous, &collect);
- QSORT(collect.oid, collect.nr, sort_ambiguous);
+ repo_for_each_abbrev(r, ds.hex_pfx, collect_ambiguous, &collect);
+ sort_ambiguous_oid_array(r, &collect);
if (oid_array_for_each(&collect, show_ambiguous_object, &ds))
BUG("show_ambiguous_object shouldn't return non-zero");
return status;
}
-int for_each_abbrev(const char *prefix, each_abbrev_fn fn, void *cb_data)
+int repo_for_each_abbrev(struct repository *r, const char *prefix,
+ each_abbrev_fn fn, void *cb_data)
{
struct oid_array collect = OID_ARRAY_INIT;
struct disambiguate_state ds;
int ret;
- if (init_object_disambiguation(prefix, strlen(prefix), &ds) < 0)
+ if (init_object_disambiguation(r, prefix, strlen(prefix), &ds) < 0)
return -1;
ds.always_call_fn = 1;
- ds.fn = collect_ambiguous;
+ ds.fn = repo_collect_ambiguous;
ds.cb_data = &collect;
find_short_object_filename(&ds);
find_short_packed_object(&ds);
unsigned int init_len;
unsigned int cur_len;
char *hex;
+ struct repository *repo;
const struct object_id *oid;
};
return 0;
}
+static int repo_extend_abbrev_len(struct repository *r,
+ const struct object_id *oid,
+ void *cb_data)
+{
+ return extend_abbrev_len(oid, cb_data);
+}
+
+static void find_abbrev_len_for_midx(struct multi_pack_index *m,
+ struct min_abbrev_data *mad)
+{
+ int match = 0;
+ uint32_t num, first = 0;
+ struct object_id oid;
+ const struct object_id *mad_oid;
+
+ if (!m->num_objects)
+ return;
+
+ num = m->num_objects;
+ mad_oid = mad->oid;
+ match = bsearch_midx(mad_oid, m, &first);
+
+ /*
+ * first is now the position in the packfile where we would insert
+ * mad->hash if it does not exist (or the position of mad->hash if
+ * it does exist). Hence, we consider a maximum of two objects
+ * nearby for the abbreviation length.
+ */
+ mad->init_len = 0;
+ if (!match) {
+ if (nth_midxed_object_oid(&oid, m, first))
+ extend_abbrev_len(&oid, mad);
+ } else if (first < num - 1) {
+ if (nth_midxed_object_oid(&oid, m, first + 1))
+ extend_abbrev_len(&oid, mad);
+ }
+ if (first > 0) {
+ if (nth_midxed_object_oid(&oid, m, first - 1))
+ extend_abbrev_len(&oid, mad);
+ }
+ mad->init_len = mad->cur_len;
+}
+
static void find_abbrev_len_for_pack(struct packed_git *p,
struct min_abbrev_data *mad)
{
struct object_id oid;
const struct object_id *mad_oid;
+ if (p->multi_pack_index)
+ return;
+
if (open_pack_index(p) || !p->num_objects)
return;
static void find_abbrev_len_packed(struct min_abbrev_data *mad)
{
+ struct multi_pack_index *m;
struct packed_git *p;
- for (p = get_packed_git(the_repository); p; p = p->next)
+ for (m = get_multi_pack_index(mad->repo); m; m = m->next)
+ find_abbrev_len_for_midx(m, mad);
+ for (p = get_packed_git(mad->repo); p; p = p->next)
find_abbrev_len_for_pack(p, mad);
}
-int find_unique_abbrev_r(char *hex, const struct object_id *oid, int len)
+int repo_find_unique_abbrev_r(struct repository *r, char *hex,
+ const struct object_id *oid, int len)
{
struct disambiguate_state ds;
struct min_abbrev_data mad;
struct object_id oid_ret;
+ const unsigned hexsz = r->hash_algo->hexsz;
+
if (len < 0) {
- unsigned long count = approximate_object_count();
+ unsigned long count = repo_approximate_object_count(r);
/*
* Add one because the MSB only tells us the highest bit set,
* not including the value of all the _other_ bits (so "15"
}
oid_to_hex_r(hex, oid);
- if (len == GIT_SHA1_HEXSZ || !len)
- return GIT_SHA1_HEXSZ;
+ if (len == hexsz || !len)
+ return hexsz;
+ mad.repo = r;
mad.init_len = len;
mad.cur_len = len;
mad.hex = hex;
find_abbrev_len_packed(&mad);
- if (init_object_disambiguation(hex, mad.cur_len, &ds) < 0)
+ if (init_object_disambiguation(r, hex, mad.cur_len, &ds) < 0)
return -1;
- ds.fn = extend_abbrev_len;
+ ds.fn = repo_extend_abbrev_len;
ds.always_call_fn = 1;
ds.cb_data = (void *)&mad;
return mad.cur_len;
}
-const char *find_unique_abbrev(const struct object_id *oid, int len)
+const char *repo_find_unique_abbrev(struct repository *r,
+ const struct object_id *oid,
+ int len)
{
static int bufno;
static char hexbuffer[4][GIT_MAX_HEXSZ + 1];
char *hex = hexbuffer[bufno];
bufno = (bufno + 1) % ARRAY_SIZE(hexbuffer);
- find_unique_abbrev_r(hex, oid, len);
+ repo_find_unique_abbrev_r(r, hex, oid, len);
return hex;
}
return at_mark(string, len, suffix, ARRAY_SIZE(suffix));
}
-static int get_oid_1(const char *name, int len, struct object_id *oid, unsigned lookup_flags);
-static int interpret_nth_prior_checkout(const char *name, int namelen, struct strbuf *buf);
+static enum get_oid_result get_oid_1(struct repository *r, const char *name, int len, struct object_id *oid, unsigned lookup_flags);
+static int interpret_nth_prior_checkout(struct repository *r, const char *name, int namelen, struct strbuf *buf);
-static int get_oid_basic(const char *str, int len, struct object_id *oid,
- unsigned int flags)
+static int get_oid_basic(struct repository *r, const char *str, int len,
+ struct object_id *oid, unsigned int flags)
{
static const char *warn_msg = "refname '%.*s' is ambiguous.";
static const char *object_name_msg = N_(
"because it will be ignored when you just specify 40-hex. These refs\n"
"may be created by mistake. For example,\n"
"\n"
- " git checkout -b $br $(git rev-parse ...)\n"
+ " git switch -c $br $(git rev-parse ...)\n"
"\n"
"where \"$br\" is somehow empty and a 40-hex ref is created. Please\n"
"examine these refs and maybe delete them. Turn this message off by\n"
int refs_found = 0;
int at, reflog_len, nth_prior = 0;
- if (len == GIT_SHA1_HEXSZ && !get_oid_hex(str, oid)) {
+ if (len == r->hash_algo->hexsz && !get_oid_hex(str, oid)) {
if (warn_ambiguous_refs && warn_on_object_refname_ambiguity) {
- refs_found = dwim_ref(str, len, &tmp_oid, &real_ref);
+ refs_found = repo_dwim_ref(r, str, len, &tmp_oid, &real_ref);
if (refs_found > 0) {
warning(warn_msg, len, str);
if (advice_object_name_warning)
struct strbuf buf = STRBUF_INIT;
int detached;
- if (interpret_nth_prior_checkout(str, len, &buf) > 0) {
- detached = (buf.len == GIT_SHA1_HEXSZ && !get_oid_hex(buf.buf, oid));
+ if (interpret_nth_prior_checkout(r, str, len, &buf) > 0) {
+ detached = (buf.len == r->hash_algo->hexsz && !get_oid_hex(buf.buf, oid));
strbuf_release(&buf);
if (detached)
return 0;
if (!len && reflog_len)
/* allow "@{...}" to mean the current branch reflog */
- refs_found = dwim_ref("HEAD", 4, oid, &real_ref);
+ refs_found = repo_dwim_ref(r, "HEAD", 4, oid, &real_ref);
else if (reflog_len)
- refs_found = dwim_log(str, len, oid, &real_ref);
+ refs_found = repo_dwim_log(r, str, len, oid, &real_ref);
else
- refs_found = dwim_ref(str, len, oid, &real_ref);
+ refs_found = repo_dwim_ref(r, str, len, oid, &real_ref);
if (!refs_found)
return -1;
if (warn_ambiguous_refs && !(flags & GET_OID_QUIETLY) &&
(refs_found > 1 ||
- !get_short_oid(str, len, &tmp_oid, GET_OID_QUIETLY)))
+ !get_short_oid(r, str, len, &tmp_oid, GET_OID_QUIETLY)))
warning(warn_msg, len, str);
if (reflog_len) {
return -1;
}
}
- if (read_ref_at(real_ref, flags, at_time, nth, oid, NULL,
+ if (read_ref_at(get_main_ref_store(r),
+ real_ref, flags, at_time, nth, oid, NULL,
&co_time, &co_tz, &co_cnt)) {
if (!len) {
if (starts_with(real_ref, "refs/heads/")) {
return 0;
}
-static int get_parent(const char *name, int len,
- struct object_id *result, int idx)
+static enum get_oid_result get_parent(struct repository *r,
+ const char *name, int len,
+ struct object_id *result, int idx)
{
struct object_id oid;
- int ret = get_oid_1(name, len, &oid, GET_OID_COMMITTISH);
+ enum get_oid_result ret = get_oid_1(r, name, len, &oid,
+ GET_OID_COMMITTISH);
struct commit *commit;
struct commit_list *p;
if (ret)
return ret;
- commit = lookup_commit_reference(&oid);
+ commit = lookup_commit_reference(r, &oid);
if (parse_commit(commit))
- return -1;
+ return MISSING_OBJECT;
if (!idx) {
oidcpy(result, &commit->object.oid);
- return 0;
+ return FOUND;
}
p = commit->parents;
while (p) {
if (!--idx) {
oidcpy(result, &p->item->object.oid);
- return 0;
+ return FOUND;
}
p = p->next;
}
- return -1;
+ return MISSING_OBJECT;
}
-static int get_nth_ancestor(const char *name, int len,
- struct object_id *result, int generation)
+static enum get_oid_result get_nth_ancestor(struct repository *r,
+ const char *name, int len,
+ struct object_id *result,
+ int generation)
{
struct object_id oid;
struct commit *commit;
int ret;
- ret = get_oid_1(name, len, &oid, GET_OID_COMMITTISH);
+ ret = get_oid_1(r, name, len, &oid, GET_OID_COMMITTISH);
if (ret)
return ret;
- commit = lookup_commit_reference(&oid);
+ commit = lookup_commit_reference(r, &oid);
if (!commit)
- return -1;
+ return MISSING_OBJECT;
while (generation--) {
if (parse_commit(commit) || !commit->parents)
- return -1;
+ return MISSING_OBJECT;
commit = commit->parents->item;
}
oidcpy(result, &commit->object.oid);
- return 0;
+ return FOUND;
}
-struct object *peel_to_type(const char *name, int namelen,
- struct object *o, enum object_type expected_type)
+struct object *repo_peel_to_type(struct repository *r, const char *name, int namelen,
+ struct object *o, enum object_type expected_type)
{
if (name && !namelen)
namelen = strlen(name);
while (1) {
- if (!o || (!o->parsed && !parse_object(&o->oid)))
+ if (!o || (!o->parsed && !parse_object(r, &o->oid)))
return NULL;
if (expected_type == OBJ_ANY || o->type == expected_type)
return o;
if (o->type == OBJ_TAG)
o = ((struct tag*) o)->tagged;
else if (o->type == OBJ_COMMIT)
- o = &(get_commit_tree(((struct commit *)o))->object);
+ o = &(repo_get_commit_tree(r, ((struct commit *)o))->object);
else {
if (name)
error("%.*s: expected %s type, but the object "
}
}
-static int peel_onion(const char *name, int len, struct object_id *oid,
- unsigned lookup_flags)
+static int peel_onion(struct repository *r, const char *name, int len,
+ struct object_id *oid, unsigned lookup_flags)
{
struct object_id outer;
const char *sp;
else if (expected_type == OBJ_TREE)
lookup_flags |= GET_OID_TREEISH;
- if (get_oid_1(name, sp - name - 2, &outer, lookup_flags))
+ if (get_oid_1(r, name, sp - name - 2, &outer, lookup_flags))
return -1;
- o = parse_object(&outer);
+ o = parse_object(r, &outer);
if (!o)
return -1;
if (!expected_type) {
- o = deref_tag(o, name, sp - name - 2);
- if (!o || (!o->parsed && !parse_object(&o->oid)))
+ o = deref_tag(r, o, name, sp - name - 2);
+ if (!o || (!o->parsed && !parse_object(r, &o->oid)))
return -1;
oidcpy(oid, &o->oid);
return 0;
* if we do not get the needed object, we should
* barf.
*/
- o = peel_to_type(name, len, o, expected_type);
+ o = repo_peel_to_type(r, name, len, o, expected_type);
if (!o)
return -1;
prefix = xstrndup(sp + 1, name + len - 1 - (sp + 1));
commit_list_insert((struct commit *)o, &list);
- ret = get_oid_oneline(prefix, oid, list);
+ ret = get_oid_oneline(r, prefix, oid, list);
free(prefix);
return ret;
}
return 0;
}
-static int get_describe_name(const char *name, int len, struct object_id *oid)
+static int get_describe_name(struct repository *r,
+ const char *name, int len,
+ struct object_id *oid)
{
const char *cp;
unsigned flags = GET_OID_QUIETLY | GET_OID_COMMIT;
if (ch == 'g' && cp[-1] == '-') {
cp++;
len -= cp - name;
- return get_short_oid(cp, len, oid, flags);
+ return get_short_oid(r,
+ cp, len, oid, flags);
}
}
}
return -1;
}
-static int get_oid_1(const char *name, int len, struct object_id *oid, unsigned lookup_flags)
+static enum get_oid_result get_oid_1(struct repository *r,
+ const char *name, int len,
+ struct object_id *oid,
+ unsigned lookup_flags)
{
int ret, has_suffix;
const char *cp;
}
if (has_suffix) {
- int num = 0;
+ unsigned int num = 0;
int len1 = cp - name;
cp++;
- while (cp < name + len)
- num = num * 10 + *cp++ - '0';
+ while (cp < name + len) {
+ unsigned int digit = *cp++ - '0';
+ if (unsigned_mult_overflows(num, 10))
+ return MISSING_OBJECT;
+ num *= 10;
+ if (unsigned_add_overflows(num, digit))
+ return MISSING_OBJECT;
+ num += digit;
+ }
if (!num && len1 == len - 1)
num = 1;
+ else if (num > INT_MAX)
+ return MISSING_OBJECT;
if (has_suffix == '^')
- return get_parent(name, len1, oid, num);
+ return get_parent(r, name, len1, oid, num);
/* else if (has_suffix == '~') -- goes without saying */
- return get_nth_ancestor(name, len1, oid, num);
+ return get_nth_ancestor(r, name, len1, oid, num);
}
- ret = peel_onion(name, len, oid, lookup_flags);
+ ret = peel_onion(r, name, len, oid, lookup_flags);
if (!ret)
- return 0;
+ return FOUND;
- ret = get_oid_basic(name, len, oid, lookup_flags);
+ ret = get_oid_basic(r, name, len, oid, lookup_flags);
if (!ret)
- return 0;
+ return FOUND;
/* It could be describe output that is "SOMETHING-gXXXX" */
- ret = get_describe_name(name, len, oid);
+ ret = get_describe_name(r, name, len, oid);
if (!ret)
- return 0;
+ return FOUND;
- return get_short_oid(name, len, oid, lookup_flags);
+ return get_short_oid(r, name, len, oid, lookup_flags);
}
/*
/* Remember to update object flag allocation in object.h */
#define ONELINE_SEEN (1u<<20)
+struct handle_one_ref_cb {
+ struct repository *repo;
+ struct commit_list **list;
+};
+
static int handle_one_ref(const char *path, const struct object_id *oid,
int flag, void *cb_data)
{
- struct commit_list **list = cb_data;
- struct object *object = parse_object(oid);
+ struct handle_one_ref_cb *cb = cb_data;
+ struct commit_list **list = cb->list;
+ struct object *object = parse_object(cb->repo, oid);
if (!object)
return 0;
if (object->type == OBJ_TAG) {
- object = deref_tag(object, path, strlen(path));
+ object = deref_tag(cb->repo, object, path,
+ strlen(path));
if (!object)
return 0;
}
return 0;
}
-static int get_oid_oneline(const char *prefix, struct object_id *oid,
- struct commit_list *list)
+static int get_oid_oneline(struct repository *r,
+ const char *prefix, struct object_id *oid,
+ struct commit_list *list)
{
struct commit_list *backup = NULL, *l;
int found = 0;
int matches;
commit = pop_most_recent_commit(&list, ONELINE_SEEN);
- if (!parse_object(&commit->object.oid))
+ if (!parse_object(r, &commit->object.oid))
continue;
buf = get_commit_buffer(commit, NULL);
p = strstr(buf, "\n\n");
struct grab_nth_branch_switch_cbdata {
int remaining;
- struct strbuf buf;
+ struct strbuf *sb;
};
static int grab_nth_branch_switch(struct object_id *ooid, struct object_id *noid,
return 0;
if (--(cb->remaining) == 0) {
len = target - match;
- strbuf_reset(&cb->buf);
- strbuf_add(&cb->buf, match, len);
+ strbuf_reset(cb->sb);
+ strbuf_add(cb->sb, match, len);
return 1; /* we are done */
}
return 0;
* Parse @{-N} syntax, return the number of characters parsed
* if successful; otherwise signal an error with negative value.
*/
-static int interpret_nth_prior_checkout(const char *name, int namelen,
+static int interpret_nth_prior_checkout(struct repository *r,
+ const char *name, int namelen,
struct strbuf *buf)
{
long nth;
if (nth <= 0)
return -1;
cb.remaining = nth;
- strbuf_init(&cb.buf, 20);
+ cb.sb = buf;
- retval = 0;
- if (0 < for_each_reflog_ent_reverse("HEAD", grab_nth_branch_switch, &cb)) {
- strbuf_reset(buf);
- strbuf_addbuf(buf, &cb.buf);
+ retval = refs_for_each_reflog_ent_reverse(get_main_ref_store(r),
+ "HEAD", grab_nth_branch_switch, &cb);
+ if (0 < retval) {
retval = brace - name + 1;
- }
+ } else
+ retval = 0;
- strbuf_release(&cb.buf);
return retval;
}
-int get_oid_mb(const char *name, struct object_id *oid)
+int repo_get_oid_mb(struct repository *r,
+ const char *name,
+ struct object_id *oid)
{
struct commit *one, *two;
struct commit_list *mbs;
dots = strstr(name, "...");
if (!dots)
- return get_oid(name, oid);
+ return repo_get_oid(r, name, oid);
if (dots == name)
- st = get_oid("HEAD", &oid_tmp);
+ st = repo_get_oid(r, "HEAD", &oid_tmp);
else {
struct strbuf sb;
strbuf_init(&sb, dots - name);
strbuf_add(&sb, name, dots - name);
- st = get_oid_committish(sb.buf, &oid_tmp);
+ st = repo_get_oid_committish(r, sb.buf, &oid_tmp);
strbuf_release(&sb);
}
if (st)
return st;
- one = lookup_commit_reference_gently(&oid_tmp, 0);
+ one = lookup_commit_reference_gently(r, &oid_tmp, 0);
if (!one)
return -1;
- if (get_oid_committish(dots[3] ? (dots + 3) : "HEAD", &oid_tmp))
+ if (repo_get_oid_committish(r, dots[3] ? (dots + 3) : "HEAD", &oid_tmp))
return -1;
- two = lookup_commit_reference_gently(&oid_tmp, 0);
+ two = lookup_commit_reference_gently(r, &oid_tmp, 0);
if (!two)
return -1;
- mbs = get_merge_bases(one, two);
+ mbs = repo_get_merge_bases(r, one, two);
if (!mbs || mbs->next)
st = -1;
else {
return 1;
}
-static int reinterpret(const char *name, int namelen, int len,
+static int reinterpret(struct repository *r,
+ const char *name, int namelen, int len,
struct strbuf *buf, unsigned allowed)
{
/* we have extra data, which might need further processing */
int ret;
strbuf_add(buf, name + len, namelen - len);
- ret = interpret_branch_name(buf->buf, buf->len, &tmp, allowed);
+ ret = repo_interpret_branch_name(r, buf->buf, buf->len, &tmp, allowed);
/* that data was not interpreted, remove our cruft */
if (ret < 0) {
strbuf_setlen(buf, used);
return ret - used + len;
}
-static void set_shortened_ref(struct strbuf *buf, const char *ref)
+static void set_shortened_ref(struct repository *r, struct strbuf *buf, const char *ref)
{
- char *s = shorten_unambiguous_ref(ref, 0);
+ char *s = refs_shorten_unambiguous_ref(get_main_ref_store(r), ref, 0);
strbuf_reset(buf);
strbuf_addstr(buf, s);
free(s);
return 0;
}
-static int interpret_branch_mark(const char *name, int namelen,
+static int interpret_branch_mark(struct repository *r,
+ const char *name, int namelen,
int at, struct strbuf *buf,
int (*get_mark)(const char *, int),
const char *(*get_data)(struct branch *,
if (!branch_interpret_allowed(value, allowed))
return -1;
- set_shortened_ref(buf, value);
+ set_shortened_ref(r, buf, value);
return len + at;
}
-int interpret_branch_name(const char *name, int namelen, struct strbuf *buf,
- unsigned allowed)
+int repo_interpret_branch_name(struct repository *r,
+ const char *name, int namelen,
+ struct strbuf *buf,
+ unsigned allowed)
{
char *at;
const char *start;
namelen = strlen(name);
if (!allowed || (allowed & INTERPRET_BRANCH_LOCAL)) {
- len = interpret_nth_prior_checkout(name, namelen, buf);
+ len = interpret_nth_prior_checkout(r, name, namelen, buf);
if (!len) {
return len; /* syntax Ok, not enough switches */
} else if (len > 0) {
if (len == namelen)
return len; /* consumed all */
else
- return reinterpret(name, namelen, len, buf, allowed);
+ return reinterpret(r, name, namelen, len, buf, allowed);
}
}
if (!allowed || (allowed & INTERPRET_BRANCH_HEAD)) {
len = interpret_empty_at(name, namelen, at - name, buf);
if (len > 0)
- return reinterpret(name, namelen, len, buf,
+ return reinterpret(r, name, namelen, len, buf,
allowed);
}
- len = interpret_branch_mark(name, namelen, at - name, buf,
+ len = interpret_branch_mark(r, name, namelen, at - name, buf,
upstream_mark, branch_get_upstream,
allowed);
if (len > 0)
return len;
- len = interpret_branch_mark(name, namelen, at - name, buf,
+ len = interpret_branch_mark(r, name, namelen, at - name, buf,
push_mark, branch_get_push,
allowed);
if (len > 0)
* This is like "get_oid_basic()", except it allows "object ID expressions",
* notably "xyz^" for "parent of xyz"
*/
-int get_oid(const char *name, struct object_id *oid)
+int repo_get_oid(struct repository *r, const char *name, struct object_id *oid)
{
struct object_context unused;
- return get_oid_with_context(name, 0, oid, &unused);
+ return get_oid_with_context(r, name, 0, oid, &unused);
}
+/*
+ * This returns a non-zero value if the string (built using printf
+ * format and the given arguments) is not a valid object.
+ */
+int get_oidf(struct object_id *oid, const char *fmt, ...)
+{
+ va_list ap;
+ int ret;
+ struct strbuf sb = STRBUF_INIT;
+
+ va_start(ap, fmt);
+ strbuf_vaddf(&sb, fmt, ap);
+ va_end(ap);
+
+ ret = get_oid(sb.buf, oid);
+ strbuf_release(&sb);
+
+ return ret;
+}
/*
* Many callers know that the user meant to name a commit-ish by
* commit-ish. It is merely to give a hint to the disambiguation
* machinery.
*/
-int get_oid_committish(const char *name, struct object_id *oid)
+int repo_get_oid_committish(struct repository *r,
+ const char *name,
+ struct object_id *oid)
{
struct object_context unused;
- return get_oid_with_context(name, GET_OID_COMMITTISH,
+ return get_oid_with_context(r, name, GET_OID_COMMITTISH,
oid, &unused);
}
-int get_oid_treeish(const char *name, struct object_id *oid)
+int repo_get_oid_treeish(struct repository *r,
+ const char *name,
+ struct object_id *oid)
{
struct object_context unused;
- return get_oid_with_context(name, GET_OID_TREEISH,
+ return get_oid_with_context(r, name, GET_OID_TREEISH,
oid, &unused);
}
-int get_oid_commit(const char *name, struct object_id *oid)
+int repo_get_oid_commit(struct repository *r,
+ const char *name,
+ struct object_id *oid)
{
struct object_context unused;
- return get_oid_with_context(name, GET_OID_COMMIT,
+ return get_oid_with_context(r, name, GET_OID_COMMIT,
oid, &unused);
}
-int get_oid_tree(const char *name, struct object_id *oid)
+int repo_get_oid_tree(struct repository *r,
+ const char *name,
+ struct object_id *oid)
{
struct object_context unused;
- return get_oid_with_context(name, GET_OID_TREE,
+ return get_oid_with_context(r, name, GET_OID_TREE,
oid, &unused);
}
-int get_oid_blob(const char *name, struct object_id *oid)
+int repo_get_oid_blob(struct repository *r,
+ const char *name,
+ struct object_id *oid)
{
struct object_context unused;
- return get_oid_with_context(name, GET_OID_BLOB,
+ return get_oid_with_context(r, name, GET_OID_BLOB,
oid, &unused);
}
/* Must be called only when object_name:filename doesn't exist. */
-static void diagnose_invalid_oid_path(const char *prefix,
+static void diagnose_invalid_oid_path(struct repository *r,
+ const char *prefix,
const char *filename,
const struct object_id *tree_oid,
const char *object_name,
int object_name_len)
{
struct object_id oid;
- unsigned mode;
+ unsigned short mode;
if (!prefix)
prefix = "";
if (is_missing_file_error(errno)) {
char *fullname = xstrfmt("%s%s", prefix, filename);
- if (!get_tree_entry(tree_oid, fullname, &oid, &mode)) {
+ if (!get_tree_entry(r, tree_oid, fullname, &oid, &mode)) {
die("Path '%s' exists, but not '%s'.\n"
"Did you mean '%.*s:%s' aka '%.*s:./%s'?",
fullname,
}
/* Must be called only when :stage:filename doesn't exist. */
-static void diagnose_invalid_index_path(int stage,
+static void diagnose_invalid_index_path(struct repository *r,
+ int stage,
const char *prefix,
const char *filename)
{
+ struct index_state *istate = r->index;
const struct cache_entry *ce;
int pos;
unsigned namelen = strlen(filename);
prefix = "";
/* Wrong stage number? */
- pos = cache_name_pos(filename, namelen);
+ pos = index_name_pos(istate, filename, namelen);
if (pos < 0)
pos = -pos - 1;
- if (pos < active_nr) {
- ce = active_cache[pos];
+ if (pos < istate->cache_nr) {
+ ce = istate->cache[pos];
if (ce_namelen(ce) == namelen &&
!memcmp(ce->name, filename, namelen))
die("Path '%s' is in the index, but not at stage %d.\n"
/* Confusion between relative and absolute filenames? */
strbuf_addstr(&fullname, prefix);
strbuf_addstr(&fullname, filename);
- pos = cache_name_pos(fullname.buf, fullname.len);
+ pos = index_name_pos(istate, fullname.buf, fullname.len);
if (pos < 0)
pos = -pos - 1;
- if (pos < active_nr) {
- ce = active_cache[pos];
+ if (pos < istate->cache_nr) {
+ ce = istate->cache[pos];
if (ce_namelen(ce) == fullname.len &&
!memcmp(ce->name, fullname.buf, fullname.len))
die("Path '%s' is in the index, but not '%s'.\n"
ce_stage(ce), filename);
}
- if (file_exists(filename))
+ if (repo_file_exists(r, filename))
die("Path '%s' exists on disk, but not in the index.", filename);
if (is_missing_file_error(errno))
die("Path '%s' does not exist (neither on disk nor in the index).",
}
-static char *resolve_relative_path(const char *rel)
+static char *resolve_relative_path(struct repository *r, const char *rel)
{
if (!starts_with(rel, "./") && !starts_with(rel, "../"))
return NULL;
- if (!is_inside_work_tree())
+ if (r != the_repository || !is_inside_work_tree())
die("relative path syntax can't be used outside working tree.");
/* die() inside prefix_path() if resolved path is outside worktree */
rel);
}
-static int get_oid_with_context_1(const char *name,
+static enum get_oid_result get_oid_with_context_1(struct repository *repo,
+ const char *name,
unsigned flags,
const char *prefix,
struct object_id *oid,
memset(oc, 0, sizeof(*oc));
oc->mode = S_IFINVALID;
strbuf_init(&oc->symlink_path, 0);
- ret = get_oid_1(name, namelen, oid, flags);
+ ret = get_oid_1(repo, name, namelen, oid, flags);
if (!ret)
return ret;
/*
char *new_path = NULL;
int pos;
if (!only_to_die && namelen > 2 && name[1] == '/') {
+ struct handle_one_ref_cb cb;
struct commit_list *list = NULL;
- for_each_ref(handle_one_ref, &list);
+ cb.repo = repo;
+ cb.list = &list;
+ refs_for_each_ref(repo->refs, handle_one_ref, &cb);
+ refs_head_ref(repo->refs, handle_one_ref, &cb);
commit_list_sort_by_date(&list);
- return get_oid_oneline(name + 2, oid, list);
+ return get_oid_oneline(repo, name + 2, oid, list);
}
if (namelen < 3 ||
name[2] != ':' ||
stage = name[1] - '0';
cp = name + 3;
}
- new_path = resolve_relative_path(cp);
+ new_path = resolve_relative_path(repo, cp);
if (!new_path) {
namelen = namelen - (cp - name);
} else {
if (flags & GET_OID_RECORD_PATH)
oc->path = xstrdup(cp);
- if (!active_cache)
- read_cache();
- pos = cache_name_pos(cp, namelen);
+ if (!repo->index || !repo->index->cache)
+ repo_read_index(repo);
+ pos = index_name_pos(repo->index, cp, namelen);
if (pos < 0)
pos = -pos - 1;
- while (pos < active_nr) {
- ce = active_cache[pos];
+ while (pos < repo->index->cache_nr) {
+ ce = repo->index->cache[pos];
if (ce_namelen(ce) != namelen ||
memcmp(ce->name, cp, namelen))
break;
pos++;
}
if (only_to_die && name[1] && name[1] != '/')
- diagnose_invalid_index_path(stage, prefix, cp);
+ diagnose_invalid_index_path(repo, stage, prefix, cp);
free(new_path);
return -1;
}
sub_flags &= ~GET_OID_DISAMBIGUATORS;
sub_flags |= GET_OID_TREEISH;
- if (!get_oid_1(name, len, &tree_oid, sub_flags)) {
+ if (!get_oid_1(repo, name, len, &tree_oid, sub_flags)) {
const char *filename = cp+1;
char *new_filename = NULL;
- new_filename = resolve_relative_path(filename);
+ new_filename = resolve_relative_path(repo, filename);
if (new_filename)
filename = new_filename;
if (flags & GET_OID_FOLLOW_SYMLINKS) {
- ret = get_tree_entry_follow_symlinks(&tree_oid,
+ ret = get_tree_entry_follow_symlinks(repo, &tree_oid,
filename, oid, &oc->symlink_path,
&oc->mode);
} else {
- ret = get_tree_entry(&tree_oid, filename, oid,
+ ret = get_tree_entry(repo, &tree_oid, filename, oid,
&oc->mode);
if (ret && only_to_die) {
- diagnose_invalid_oid_path(prefix,
+ diagnose_invalid_oid_path(repo, prefix,
filename,
&tree_oid,
name, len);
* exist in 'HEAD'" when given "HEAD:doc", or it may return in which case
* you have a chance to diagnose the error further.
*/
-void maybe_die_on_misspelt_object_name(const char *name, const char *prefix)
+void maybe_die_on_misspelt_object_name(struct repository *r,
+ const char *name,
+ const char *prefix)
{
struct object_context oc;
struct object_id oid;
- get_oid_with_context_1(name, GET_OID_ONLY_TO_DIE, prefix, &oid, &oc);
+ get_oid_with_context_1(r, name, GET_OID_ONLY_TO_DIE,
+ prefix, &oid, &oc);
}
-int get_oid_with_context(const char *str, unsigned flags, struct object_id *oid, struct object_context *oc)
+enum get_oid_result get_oid_with_context(struct repository *repo,
+ const char *str,
+ unsigned flags,
+ struct object_id *oid,
+ struct object_context *oc)
{
if (flags & GET_OID_FOLLOW_SYMLINKS && flags & GET_OID_ONLY_TO_DIE)
BUG("incompatible flags for get_sha1_with_context");
- return get_oid_with_context_1(str, flags, NULL, oid, oc);
+ return get_oid_with_context_1(repo, str, flags, NULL, oid, oc);
}
projects / thirdparty / git.git / blobdiff