void git_index_clear(git_index *index)
{
unsigned int i;
assert(index);
for (i = 0; i < index->entries.length; ++i) {
git_index_entry *e;
e = git_vector_get(&index->entries, i);
free((char *)e->path);
free(e);
}
for (i = 0; i < index->unmerged.length; ++i) {
git_index_entry_unmerged *e;
e = git_vector_get(&index->unmerged, i);
free((char *)e->path);
free(e);
}
git_vector_clear(&index->entries);
git_vector_clear(&index->unmerged);
index->last_modified = 0;
free_tree(index->tree);
index->tree = NULL;
}
/* insert_sorted with duplicates */
void test_core_vector__4(void)
{
git_vector x;
intptr_t i;
git_vector_init(&x, 1, &compare_them);
for (i = 0; i < 10; i += 2) {
git_vector_insert_sorted(&x, (void*)(i + 1), NULL);
}
for (i = 9; i > 0; i -= 2) {
git_vector_insert_sorted(&x, (void*)(i + 1), NULL);
}
for (i = 0; i < 10; i += 2) {
git_vector_insert_sorted(&x, (void*)(i + 1), NULL);
}
for (i = 9; i > 0; i -= 2) {
git_vector_insert_sorted(&x, (void*)(i + 1), NULL);
}
cl_assert(x.length == 20);
for (i = 0; i < 20; ++i) {
cl_assert(git_vector_get(&x, i) == (void*)(i / 2 + 1));
}
git_vector_free(&x);
}
static int packfile_load__cb(void *_data, char *path)
{
struct pack_backend *backend = (struct pack_backend *)_data;
struct git_pack_file *pack;
int error;
size_t i;
if (git__suffixcmp(path, ".idx") != 0)
return GIT_SUCCESS; /* not an index */
for (i = 0; i < backend->packs.length; ++i) {
struct git_pack_file *p = git_vector_get(&backend->packs, i);
if (memcmp(p->pack_name, path, strlen(path) - strlen(".idx")) == 0)
return GIT_SUCCESS;
}
error = git_packfile_check(&pack, path);
if (error < GIT_SUCCESS)
return git__rethrow(error, "Failed to load packfile");
if (git_vector_insert(&backend->packs, pack) < GIT_SUCCESS) {
free(pack);
return GIT_ENOMEM;
}
return GIT_SUCCESS;
}
int git_odb_read_header(git_rawobj *out, git_odb *db, const git_oid *id)
{
unsigned int i;
int error = GIT_ENOTFOUND;
assert(out && db && id);
for (i = 0; i < db->backends.length && error < 0; ++i) {
backend_internal *internal = git_vector_get(&db->backends, i);
git_odb_backend *b = internal->backend;
if (b->read_header != NULL)
error = b->read_header(out, b, id);
}
/*
* no backend could read only the header.
* try reading the whole object and freeing the contents
*/
if (error < 0) {
error = git_odb_read(out, db, id);
git_rawobj_close(out);
}
return error;
}
int git_commit__writeback(git_commit *commit, git_odb_source *src)
{
unsigned int i;
if (commit->tree == NULL)
return GIT_EMISSINGOBJDATA;
git__write_oid(src, "tree", git_tree_id(commit->tree));
for (i = 0; i < commit->parents.length; ++i) {
git_commit *parent;
parent = git_vector_get(&commit->parents, i);
git__write_oid(src, "parent", git_commit_id(parent));
}
if (commit->author == NULL)
return GIT_EMISSINGOBJDATA;
git_signature__write(src, "author", commit->author);
if (commit->committer == NULL)
return GIT_EMISSINGOBJDATA;
git_signature__write(src, "committer", commit->committer);
if (commit->message != NULL)
git__source_printf(src, "\n%s", commit->message);
/* Mark the commit as having all attributes */
commit->full_parse = 1;
return GIT_SUCCESS;
}
static int pack_entry_find(struct git_pack_entry *e, struct pack_backend *backend, const git_oid *oid)
{
int error;
size_t i;
if ((error = packfile_refresh_all(backend)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to find pack entry");
if (backend->last_found &&
git_pack_entry_find(e, backend->last_found, oid, GIT_OID_HEXSZ) == GIT_SUCCESS)
return GIT_SUCCESS;
for (i = 0; i < backend->packs.length; ++i) {
struct git_pack_file *p;
p = git_vector_get(&backend->packs, i);
if (p == backend->last_found)
continue;
if (git_pack_entry_find(e, p, oid, GIT_OID_HEXSZ) == GIT_SUCCESS) {
backend->last_found = p;
return GIT_SUCCESS;
}
}
return git__throw(GIT_ENOTFOUND, "Failed to find pack entry");
}
/*
* Close the least recently used window. You should check to see if
* the file descriptors need closing from time to time.
*/
static int git_mwindow_close_lru(git_mwindow_file *mwf)
{
unsigned int i;
git_mwindow *lru_w = NULL, *lru_l = NULL;
/* FIMXE: Does this give us any advantage? */
if(mwf->windows)
git_mwindow_scan_lru(mwf, &lru_w, &lru_l);
for (i = 0; i < ctl.windowfiles.length; ++i) {
git_mwindow_scan_lru(git_vector_get(&ctl.windowfiles, i), &lru_w, &lru_l);
}
if (lru_w) {
git_mwindow_close(&lru_w);
ctl.mapped -= lru_w->window_map.len;
git_futils_mmap_free(&lru_w->window_map);
if (lru_l)
lru_l->next = lru_w->next;
else
mwf->windows = lru_w->next;
free(lru_w);
ctl.open_windows--;
return GIT_SUCCESS;
}
return git__throw(GIT_ERROR, "Failed to close memory window. Couln't find LRU");
}
/*
* Free all the windows in a sequence, typically because we're done
* with the file
*/
void git_mwindow_free_all(git_mwindow_file *mwf)
{
unsigned int i;
/*
* Remove these windows from the global list
*/
for (i = 0; i < ctl.windowfiles.length; ++i){
if (git_vector_get(&ctl.windowfiles, i) == mwf) {
git_vector_remove(&ctl.windowfiles, i);
break;
}
}
if (ctl.windowfiles.length == 0) {
git_vector_free(&ctl.windowfiles);
ctl.windowfiles.contents = NULL;
}
while (mwf->windows) {
git_mwindow *w = mwf->windows;
assert(w->inuse_cnt == 0);
ctl.mapped -= w->window_map.len;
ctl.open_windows--;
git_futils_mmap_free(&w->window_map);
mwf->windows = w->next;
free(w);
}
}
static int packfile_load__cb(void *data, git_buf *path)
{
struct pack_backend *backend = (pack_backend*) data;
struct git_pack_file *pack;
const char *path_str = git_buf_cstr(path);
size_t i, cmp_len = git_buf_len(path);
int error;
if (cmp_len <= strlen(".idx") || git__suffixcmp(path_str, ".idx") != 0)
return 0; /* not an index */
cmp_len -= strlen(".idx");
for (i = 0; i < backend->packs.length; ++i) {
struct git_pack_file *p = (git_pack_file*) git_vector_get(&backend->packs, i);
if (memcmp(p->pack_name, path_str, cmp_len) == 0)
return 0;
}
error = git_mwindow_get_pack(&pack, path->ptr);
/* ignore missing .pack file as git does */
if (error == GIT_ENOTFOUND) {
giterr_clear();
return 0;
}
if (!error)
error = git_vector_insert(&backend->packs, pack);
return error;
}
/*
* Since this is a network connection, we need to parse and store the
* pkt-lines at this stage and keep them there.
*/
static int git_connect(git_transport *transport, int direction)
{
transport_git *t = (transport_git *) transport;
if (direction == GIT_DIR_PUSH) {
giterr_set(GITERR_NET, "Pushing over git:// is not supported");
return -1;
}
t->parent.direction = direction;
/* Connect and ask for the refs */
if (do_connect(t, transport->url) < 0)
return -1;
gitno_buffer_setup(transport, &transport->buffer, t->buff, sizeof(t->buff));
t->parent.connected = 1;
if (git_protocol_store_refs(transport, 1) < 0)
return -1;
if (git_protocol_detect_caps(git_vector_get(&transport->refs, 0), &transport->caps) < 0)
return -1;
return 0;
}
static int pack_entry_find_inner(
struct git_pack_entry *e,
struct pack_backend *backend,
const git_oid *oid,
struct git_pack_file *last_found)
{
size_t i;
if (last_found &&
git_pack_entry_find(e, last_found, oid, GIT_OID_HEXSZ) == 0)
return 0;
for (i = 0; i < backend->packs.length; ++i) {
struct git_pack_file *p;
p = (git_pack_file*) git_vector_get(&backend->packs, i);
if (p == last_found)
continue;
if (git_pack_entry_find(e, p, oid, GIT_OID_HEXSZ) == 0) {
backend->last_found = p;
return 0;
}
}
return -1;
}
int git_tree__writeback(git_tree *tree, git_odb_source *src)
{
size_t i;
char filemode[8];
assert(tree && src);
if (tree->entries.length == 0)
return GIT_EMISSINGOBJDATA;
git_vector_sort(&tree->entries);
for (i = 0; i < tree->entries.length; ++i) {
git_tree_entry *entry;
entry = git_vector_get(&tree->entries, i);
sprintf(filemode, "%06o ", entry->attr);
git__source_write(src, filemode, strlen(filemode));
git__source_write(src, entry->filename, strlen(entry->filename) + 1);
git__source_write(src, entry->oid.id, GIT_OID_RAWSZ);
}
return GIT_SUCCESS;
}
int git_odb_write_pack(struct git_odb_writepack **out, git_odb *db, git_transfer_progress_cb progress_cb, void *progress_payload)
{
size_t i, writes = 0;
int error = GIT_ERROR;
assert(out && db);
for (i = 0; i < db->backends.length && error < 0; ++i) {
backend_internal *internal = (backend_internal *) git_vector_get(&db->backends, i);
git_odb_backend *b = internal->backend;
/* we don't write in alternates! */
if (internal->is_alternate)
continue;
if (b->writepack != NULL) {
++writes;
error = b->writepack(out, b, db, progress_cb, progress_payload);
}
}
if (error == GIT_PASSTHROUGH)
error = 0;
if (error < 0 && !writes)
error = git_odb__error_unsupported_in_backend("write pack");
return error;
}
static int detect_caps(transport_git *t)
{
git_vector *refs = &t->refs;
git_pkt_ref *pkt;
git_transport_caps *caps = &t->caps;
const char *ptr;
pkt = git_vector_get(refs, 0);
/* No refs or capabilites, odd but not a problem */
if (pkt == NULL || pkt->capabilities == NULL)
return 0;
ptr = pkt->capabilities;
while (ptr != NULL && *ptr != '\0') {
if (*ptr == ' ')
ptr++;
if(!git__prefixcmp(ptr, GIT_CAP_OFS_DELTA)) {
caps->common = caps->ofs_delta = 1;
ptr += strlen(GIT_CAP_OFS_DELTA);
continue;
}
/* We don't know this capability, so skip it */
ptr = strchr(ptr, ' ');
}
return 0;
}
int git_odb_exists_prefix(
git_oid *out, git_odb *db, const git_oid *short_id, size_t len)
{
int error = GIT_ENOTFOUND, num_found = 0;
size_t i;
git_oid key = {{0}}, last_found = {{0}}, found;
assert(db && short_id);
if (len < GIT_OID_MINPREFIXLEN)
return git_odb__error_ambiguous("prefix length too short");
if (len > GIT_OID_HEXSZ)
len = GIT_OID_HEXSZ;
if (len == GIT_OID_HEXSZ) {
if (git_odb_exists(db, short_id)) {
if (out)
git_oid_cpy(out, short_id);
return 0;
} else {
return git_odb__error_notfound("no match for id prefix", short_id);
}
}
/* just copy valid part of short_id */
memcpy(&key.id, short_id->id, (len + 1) / 2);
if (len & 1)
key.id[len / 2] &= 0xF0;
for (i = 0; i < db->backends.length; ++i) {
backend_internal *internal = (backend_internal *) git_vector_get(&db->backends, i);
git_odb_backend *b = internal->backend;
if (!b->exists_prefix)
continue;
error = b->exists_prefix(&found, b, &key, len);
if (error == GIT_ENOTFOUND || error == GIT_PASSTHROUGH)
continue;
if (error)
return error;
/* make sure found item doesn't introduce ambiguity */
if (num_found) {
if (git_oid__cmp(&last_found, &found))
return git_odb__error_ambiguous("multiple matches for prefix");
} else {
git_oid_cpy(&last_found, &found);
num_found++;
}
}
if (!num_found)
return git_odb__error_notfound("no match for id prefix", &key);
if (out)
git_oid_cpy(out, &last_found);
return 0;
}
void test_checkout_conflict__report_progress(void)
{
git_checkout_options opts = GIT_CHECKOUT_OPTIONS_INIT;
git_vector paths = GIT_VECTOR_INIT;
char *path;
size_t i;
struct checkout_index_entry checkout_index_entries[] = {
{ 0100644, CONFLICTING_ANCESTOR_OID, 1, "conflicting-1.txt" },
{ 0100644, CONFLICTING_OURS_OID, 2, "conflicting-1.txt" },
{ 0100644, CONFLICTING_THEIRS_OID, 3, "conflicting-1.txt" },
{ 0100644, CONFLICTING_ANCESTOR_OID, 1, "conflicting-2.txt" },
{ 0100644, CONFLICTING_OURS_OID, 2, "conflicting-2.txt" },
{ 0100644, CONFLICTING_THEIRS_OID, 3, "conflicting-2.txt" },
{ 0100644, AUTOMERGEABLE_ANCESTOR_OID, 1, "conflicting-3.txt" },
{ 0100644, AUTOMERGEABLE_OURS_OID, 2, "conflicting-3.txt" },
{ 0100644, AUTOMERGEABLE_THEIRS_OID, 3, "conflicting-3.txt" },
{ 0100644, AUTOMERGEABLE_ANCESTOR_OID, 1, "conflicting-4.txt" },
{ 0100644, AUTOMERGEABLE_OURS_OID, 2, "conflicting-4.txt" },
{ 0100644, AUTOMERGEABLE_THEIRS_OID, 3, "conflicting-4.txt" },
};
opts.progress_cb = collect_progress;
opts.progress_payload = &paths;
create_index(checkout_index_entries, 12);
git_index_write(g_index);
cl_git_pass(git_checkout_index(g_repo, g_index, &opts));
cl_assert_equal_i(4, git_vector_length(&paths));
cl_assert_equal_s("conflicting-1.txt", git_vector_get(&paths, 0));
cl_assert_equal_s("conflicting-2.txt", git_vector_get(&paths, 1));
cl_assert_equal_s("conflicting-3.txt", git_vector_get(&paths, 2));
cl_assert_equal_s("conflicting-4.txt", git_vector_get(&paths, 3));
git_vector_foreach(&paths, i, path)
git__free(path);
git_vector_free(&paths);
}
void test_network_remote_rename__symref_head(void)
{
int error;
git_reference *ref;
git_branch_t btype;
git_branch_iterator *iter;
git_strarray problems = {0};
char idstr[GIT_OID_HEXSZ + 1] = {0};
git_vector refs;
cl_git_pass(git_reference_symbolic_create(&ref, _repo, "refs/remotes/test/HEAD", "refs/remotes/test/master", 0, NULL, NULL));
git_reference_free(ref);
cl_git_pass(git_remote_rename(&problems, _repo, _remote_name, "renamed"));
cl_assert_equal_i(0, problems.count);
git_strarray_free(&problems);
cl_git_pass(git_vector_init(&refs, 2, (git_vector_cmp) git_reference_cmp));
cl_git_pass(git_branch_iterator_new(&iter, _repo, GIT_BRANCH_REMOTE));
while ((error = git_branch_next(&ref, &btype, iter)) == 0) {
cl_git_pass(git_vector_insert(&refs, ref));
}
cl_assert_equal_i(GIT_ITEROVER, error);
git_vector_sort(&refs);
cl_assert_equal_i(2, refs.length);
ref = git_vector_get(&refs, 0);
cl_assert_equal_s("refs/remotes/renamed/HEAD", git_reference_name(ref));
cl_assert_equal_s("refs/remotes/renamed/master", git_reference_symbolic_target(ref));
git_reference_free(ref);
ref = git_vector_get(&refs, 1);
cl_assert_equal_s("refs/remotes/renamed/master", git_reference_name(ref));
git_oid_fmt(idstr, git_reference_target(ref));
cl_assert_equal_s("be3563ae3f795b2b4353bcce3a527ad0a4f7f644", idstr);
git_reference_free(ref);
git_vector_free(&refs);
cl_git_fail_with(GIT_ITEROVER, git_branch_next(&ref, &btype, iter));
git_branch_iterator_free(iter);
}
const git_reflog_entry * git_reflog_entry_byindex(const git_reflog *reflog, size_t idx)
{
assert(reflog);
if (idx >= reflog->entries.length)
return NULL;
return git_vector_get(
&reflog->entries, reflog_inverse_index(idx, reflog->entries.length));
}
int git_commit_parent(git_commit **parent, git_commit *commit, unsigned int n)
{
git_oid *parent_oid;
assert(commit);
parent_oid = git_vector_get(&commit->parent_oids, n);
if (parent_oid == NULL)
return git__throw(GIT_ENOTFOUND, "Parent %u does not exist", n);
return git_commit_lookup(parent, commit->object.repo, parent_oid);
}
static void clear_parents(git_commit *commit)
{
unsigned int i;
for (i = 0; i < commit->parent_oids.length; ++i) {
git_oid *parent = git_vector_get(&commit->parent_oids, i);
free(parent);
}
git_vector_clear(&commit->parent_oids);
}
git_tree_entry *git_tree_entry_byname(git_tree *tree, const char *filename)
{
int idx;
assert(tree && filename);
idx = git_vector_search(&tree->entries, filename);
if (idx == GIT_ENOTFOUND)
return NULL;
return git_vector_get(&tree->entries, idx);
}
static void check_backend_sorting(git_odb *odb)
{
unsigned int i;
for (i = 0; i < odb->backends.length; ++i) {
fake_backend *internal =
*((fake_backend **)git_vector_get(&odb->backends, i));
cl_assert(internal != NULL);
cl_assert(internal->position == (int)i);
}
}
git_vector_foreach(contents, i, ps) {
/* skip if before start_stat or after end_stat */
cmp_len = min(start_len, ps->path_len);
if (cmp_len && strncomp(ps->path, start_stat, cmp_len) < 0)
continue;
cmp_len = min(end_len, ps->path_len);
if (cmp_len && strncomp(ps->path, end_stat, cmp_len) > 0)
continue;
git_buf_truncate(&full, prefix_len);
if ((error = git_buf_joinpath(&full, full.ptr, ps->path)) < 0 ||
(error = git_path_lstat(full.ptr, &ps->st)) < 0) {
if (error == GIT_ENOTFOUND) {
/* file was removed between readdir and lstat */
char *entry_path = git_vector_get(contents, i);
git_vector_remove(contents, i--);
git__free(entry_path);
} else {
/* Treat the file as unreadable if we get any other error */
memset(&ps->st, 0, sizeof(ps->st));
ps->st.st_mode = GIT_FILEMODE_UNREADABLE;
}
giterr_clear();
error = 0;
continue;
}
if (S_ISDIR(ps->st.st_mode)) {
ps->path[ps->path_len++] = '/';
ps->path[ps->path_len] = '\0';
}
else if (!S_ISREG(ps->st.st_mode) && !S_ISLNK(ps->st.st_mode)) {
char *entry_path = git_vector_get(contents, i);
git_vector_remove(contents, i--);
git__free(entry_path);
}
}
static int write_entries(git_index *index, git_filebuf *file)
{
unsigned int i;
for (i = 0; i < index->entries.length; ++i) {
git_index_entry *entry;
entry = git_vector_get(&index->entries, i);
if (write_disk_entry(file, entry) < GIT_SUCCESS)
return GIT_ENOMEM;
}
return GIT_SUCCESS;
}
int git_patch_parsed_from_diff(git_patch **out, git_diff *d, size_t idx)
{
git_diff_parsed *diff = (git_diff_parsed *)d;
git_patch *p;
if ((p = git_vector_get(&diff->patches, idx)) == NULL)
return -1;
GIT_REFCOUNT_INC(p);
*out = p;
return 0;
}
static void git_free(git_transport *transport)
{
transport_git *t = (transport_git *) transport;
git_vector *refs = &transport->refs;
unsigned int i;
for (i = 0; i < refs->length; ++i) {
git_pkt *p = git_vector_get(refs, i);
git_pkt_free(p);
}
git_vector_free(refs);
refs = &transport->common;
for (i = 0; i < refs->length; ++i) {
git_pkt *p = git_vector_get(refs, i);
git_pkt_free(p);
}
git_vector_free(refs);
git__free(t->parent.url);
git__free(t);
}
static commit_object *alloc_commit(git_revwalk *walk)
{
unsigned char *chunk;
if (walk->chunk_size == COMMITS_PER_CHUNK)
alloc_chunk(walk);
chunk = git_vector_get(&walk->memory_alloc, walk->memory_alloc.length - 1);
chunk += (walk->chunk_size * CHUNK_STEP);
walk->chunk_size++;
return (commit_object *)chunk;
}
int git_config_set_string(git_config *cfg, const char *name, const char *value)
{
file_internal *internal;
git_config_file *file;
if (cfg->files.length == 0)
return git__throw(GIT_EINVALIDARGS, "Cannot set variable value; no files open in the `git_config` instance");
internal = git_vector_get(&cfg->files, 0);
file = internal->file;
return file->set(file, name, value);
}
const git_index_entry_unmerged *git_index_get_unmerged_bypath(git_index *index, const char *path)
{
int pos;
assert(index && path);
if (!index->unmerged.length)
return NULL;
if ((pos = git_vector_bsearch2(&index->unmerged, unmerged_srch, path)) < GIT_SUCCESS)
return NULL;
return git_vector_get(&index->unmerged, pos);
}
int git_odb_open_wstream(
git_odb_stream **stream, git_odb *db, size_t size, git_otype type)
{
size_t i, writes = 0;
int error = GIT_ERROR;
git_hash_ctx *ctx = NULL;
assert(stream && db);
for (i = 0; i < db->backends.length && error < 0; ++i) {
backend_internal *internal = (backend_internal *) git_vector_get(&db->backends, i);
git_odb_backend *b = internal->backend;
/* we don't write in alternates! */
if (internal->is_alternate)
continue;
if (b->writestream != NULL) {
++writes;
error = b->writestream(stream, b, size, type);
} else if (b->write != NULL) {
++writes;
error = init_fake_wstream(stream, b, size, type);
}
}
if (error < 0) {
if (error == GIT_PASSTHROUGH)
error = 0;
else if (!writes)
error = git_odb__error_unsupported_in_backend("write object");
goto done;
}
ctx = (git_hash_ctx*) git__malloc(sizeof(git_hash_ctx));
GITERR_CHECK_ALLOC(ctx);
if ((error = git_hash_ctx_init(ctx)) < 0)
goto done;
hash_header(ctx, size, type);
(*stream)->hash_ctx = ctx;
(*stream)->declared_size = size;
(*stream)->received_bytes = 0;
done:
return error;
}
