int git_config_add_file(git_config *cfg, git_config_file *file, int priority)
{
file_internal *internal;
int error;
assert(cfg && file);
if ((error = file->open(file)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to open config file");
internal = git__malloc(sizeof(file_internal));
if (internal == NULL)
return GIT_ENOMEM;
internal->file = file;
internal->priority = priority;
if (git_vector_insert(&cfg->files, internal) < 0) {
free(internal);
return GIT_ENOMEM;
}
git_vector_sort(&cfg->files);
internal->file->cfg = cfg;
return GIT_SUCCESS;
}
int git_fetchhead_write(git_repository *repo, git_vector *fetchhead_refs)
{
git_filebuf file = GIT_FILEBUF_INIT;
git_buf path = GIT_BUF_INIT;
unsigned int i;
git_fetchhead_ref *fetchhead_ref;
assert(repo && fetchhead_refs);
if (git_buf_joinpath(&path, repo->path_repository, GIT_FETCH_HEAD_FILE) < 0)
return -1;
if (git_filebuf_open(&file, path.ptr, GIT_FILEBUF_FORCE, GIT_REFS_FILE_MODE) < 0) {
git_buf_free(&path);
return -1;
}
git_buf_free(&path);
git_vector_sort(fetchhead_refs);
git_vector_foreach(fetchhead_refs, i, fetchhead_ref)
fetchhead_ref_write(&file, fetchhead_ref);
return git_filebuf_commit(&file);
}
int git_index_write(git_index *index)
{
git_filebuf file;
struct stat indexst;
int error;
git_vector_sort(&index->entries);
if ((error = git_filebuf_open(&file, index->index_file_path, GIT_FILEBUF_HASH_CONTENTS)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to write index");
if ((error = write_index(index, &file)) < GIT_SUCCESS) {
git_filebuf_cleanup(&file);
return git__rethrow(error, "Failed to write index");
}
if ((error = git_filebuf_commit(&file)) < GIT_SUCCESS)
return git__rethrow(error, "Failed to write index");
if (p_stat(index->index_file_path, &indexst) == 0) {
index->last_modified = indexst.st_mtime;
index->on_disk = 1;
}
return GIT_SUCCESS;
}
int git_tree_add_entry(git_tree_entry **entry_out, git_tree *tree, const git_oid *id, const char *filename, int attributes)
{
git_tree_entry *entry;
assert(tree && id && filename);
if ((entry = git__malloc(sizeof(git_tree_entry))) == NULL)
return GIT_ENOMEM;
memset(entry, 0x0, sizeof(git_tree_entry));
entry->filename = git__strdup(filename);
git_oid_cpy(&entry->oid, id);
entry->attr = attributes;
entry->owner = tree;
if (git_vector_insert(&tree->entries, entry) < 0)
return GIT_ENOMEM;
git_vector_sort(&tree->entries);
if (entry_out != NULL)
*entry_out = entry;
tree->object.modified = 1;
return GIT_SUCCESS;
}
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;
}
static int packfile_refresh_all(struct pack_backend *backend)
{
int error;
struct stat st;
if (backend->pack_folder == NULL)
return GIT_SUCCESS;
if (p_stat(backend->pack_folder, &st) < 0 || !S_ISDIR(st.st_mode))
return git__throw(GIT_ENOTFOUND, "Failed to refresh packfiles. Backend not found");
if (st.st_mtime != backend->pack_folder_mtime) {
char path[GIT_PATH_MAX];
strcpy(path, backend->pack_folder);
/* reload all packs */
error = git_futils_direach(path, GIT_PATH_MAX, packfile_load__cb, (void *)backend);
if (error < GIT_SUCCESS)
return git__rethrow(error, "Failed to refresh packfiles");
git_vector_sort(&backend->packs);
backend->pack_folder_mtime = st.st_mtime;
}
return GIT_SUCCESS;
}
static int add_backend_internal(
git_odb *odb, git_odb_backend *backend,
int priority, bool is_alternate, ino_t disk_inode)
{
backend_internal *internal;
assert(odb && backend);
GITERR_CHECK_VERSION(backend, GIT_ODB_BACKEND_VERSION, "git_odb_backend");
/* Check if the backend is already owned by another ODB */
assert(!backend->odb || backend->odb == odb);
internal = (backend_internal*) git__malloc(sizeof(backend_internal));
GITERR_CHECK_ALLOC(internal);
internal->backend = backend;
internal->priority = priority;
internal->is_alternate = is_alternate;
internal->disk_inode = disk_inode;
if (git_vector_insert(&odb->backends, internal) < 0) {
git__free(internal);
return -1;
}
git_vector_sort(&odb->backends);
internal->backend->odb = odb;
return 0;
}
static int add_backend_internal(git_odb *odb, git_odb_backend *backend, int priority, int is_alternate)
{
backend_internal *internal;
assert(odb && backend);
if (backend->odb != NULL && backend->odb != odb)
return GIT_EBUSY;
internal = git__malloc(sizeof(backend_internal));
if (internal == NULL)
return GIT_ENOMEM;
internal->backend = backend;
internal->priority = priority;
internal->is_alternate = is_alternate;
if (git_vector_insert(&odb->backends, internal) < 0) {
free(internal);
return GIT_ENOMEM;
}
git_vector_sort(&odb->backends);
internal->backend->odb = odb;
return GIT_SUCCESS;
}
void git_tree_entry_set_name(git_tree_entry *entry, const char *name)
{
assert(entry && entry->owner);
free(entry->filename);
entry->filename = git__strdup(name);
git_vector_sort(&entry->owner->entries);
entry->owner->object.modified = 1;
}
static void assert_all_refnames_match(git_vector *output)
{
size_t i;
git_reference *ref;
cl_assert_equal_sz(output->length, ARRAY_SIZE(refnames));
git_vector_sort(output);
git_vector_foreach(output, i, ref) {
cl_assert_equal_s(ref->name, refnames[i]);
git_reference_free(ref);
}
int git_vector_bsearch2(git_vector *v, git_vector_cmp key_lookup, const void *key)
{
void **find;
assert(v && key && key_lookup);
/* need comparison function to sort the vector */
if (v->_cmp == NULL)
return git__throw(GIT_ENOTFOUND, "Can't sort vector. No comparison function set");
git_vector_sort(v);
find = git__bsearch(key, v->contents, v->length, key_lookup);
if (find != NULL)
return (int)(find - v->contents);
return git__throw(GIT_ENOTFOUND, "Can't find element");
}
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);
}
void git_vector_uniq(git_vector *v)
{
git_vector_cmp cmp;
unsigned int i, j;
if (v->length <= 1)
return;
git_vector_sort(v);
cmp = v->_cmp ? v->_cmp : strict_comparison;
for (i = 0, j = 1 ; j < v->length; ++j)
if (!cmp(v->contents[i], v->contents[j]))
v->contents[i] = v->contents[j];
else
v->contents[++i] = v->contents[j];
v->length -= j - i - 1;
}
/***********************************************************
*
* PACKED BACKEND PUBLIC API
*
* Implement the git_odb_backend API calls
*
***********************************************************/
static int pack_backend__refresh(git_odb_backend *backend_)
{
int error;
struct stat st;
git_buf path = GIT_BUF_INIT;
struct pack_backend *backend = (struct pack_backend *)backend_;
if (backend->pack_folder == NULL)
return 0;
if (p_stat(backend->pack_folder, &st) < 0 || !S_ISDIR(st.st_mode))
return git_odb__error_notfound("failed to refresh packfiles", NULL);
git_buf_sets(&path, backend->pack_folder);
/* reload all packs */
error = git_path_direach(&path, 0, packfile_load__cb, backend);
git_buf_free(&path);
git_vector_sort(&backend->packs);
return error;
}
static void sort_entries(git_treebuilder *bld)
{
git_vector_sort(&bld->entries);
}
int git_indexer_commit(git_indexer *idx, git_transfer_progress *stats)
{
git_mwindow *w = NULL;
unsigned int i, long_offsets = 0, left;
int error;
struct git_pack_idx_header hdr;
git_buf filename = GIT_BUF_INIT;
struct entry *entry;
git_oid trailer_hash, file_hash;
git_hash_ctx ctx;
git_filebuf index_file = {0};
void *packfile_trailer;
if (git_hash_ctx_init(&ctx) < 0)
return -1;
/* Test for this before resolve_deltas(), as it plays with idx->off */
if (idx->off < idx->pack->mwf.size - 20) {
giterr_set(GITERR_INDEXER, "Unexpected data at the end of the pack");
return -1;
}
packfile_trailer = git_mwindow_open(&idx->pack->mwf, &w, idx->pack->mwf.size - GIT_OID_RAWSZ, GIT_OID_RAWSZ, &left);
if (packfile_trailer == NULL) {
git_mwindow_close(&w);
goto on_error;
}
/* Compare the packfile trailer as it was sent to us and what we calculated */
git_oid_fromraw(&file_hash, (unsigned char*) packfile_trailer);
git_mwindow_close(&w);
git_hash_final(&trailer_hash, &idx->trailer);
if (git_oid_cmp(&file_hash, &trailer_hash)) {
giterr_set(GITERR_INDEXER, "packfile trailer mismatch");
return -1;
}
/* Freeze the number of deltas */
stats->total_deltas = stats->total_objects - stats->indexed_objects;
if ((error = resolve_deltas(idx, stats)) < 0)
return error;
if (stats->indexed_objects != stats->total_objects) {
giterr_set(GITERR_INDEXER, "early EOF");
return -1;
}
if (stats->local_objects > 0) {
if (update_header_and_rehash(idx, stats) < 0)
return -1;
git_hash_final(&trailer_hash, &idx->trailer);
write_at(idx, &trailer_hash, idx->pack->mwf.size - GIT_OID_RAWSZ, GIT_OID_RAWSZ);
}
git_vector_sort(&idx->objects);
git_buf_sets(&filename, idx->pack->pack_name);
git_buf_shorten(&filename, strlen("pack"));
git_buf_puts(&filename, "idx");
if (git_buf_oom(&filename))
return -1;
if (git_filebuf_open(&index_file, filename.ptr,
GIT_FILEBUF_HASH_CONTENTS, idx->mode) < 0)
goto on_error;
/* Write out the header */
hdr.idx_signature = htonl(PACK_IDX_SIGNATURE);
hdr.idx_version = htonl(2);
git_filebuf_write(&index_file, &hdr, sizeof(hdr));
/* Write out the fanout table */
for (i = 0; i < 256; ++i) {
uint32_t n = htonl(idx->fanout[i]);
git_filebuf_write(&index_file, &n, sizeof(n));
}
/* Write out the object names (SHA-1 hashes) */
git_vector_foreach(&idx->objects, i, entry, struct entry*) {
git_filebuf_write(&index_file, &entry->oid, sizeof(git_oid));
git_hash_update(&ctx, &entry->oid, GIT_OID_RAWSZ);
}
git_hash_final(&idx->hash, &ctx);
/* Write out the CRC32 values */
git_vector_foreach(&idx->objects, i, entry, struct entry*) {
git_filebuf_write(&index_file, &entry->crc, sizeof(uint32_t));
}
/* Write out the offsets */
git_vector_foreach(&idx->objects, i, entry, struct entry*) {
uint32_t n;
if (entry->offset == UINT32_MAX)
n = htonl(0x80000000 | long_offsets++);
else
n = htonl(entry->offset);
git_filebuf_write(&index_file, &n, sizeof(uint32_t));
}
/* Write out the long offsets */
git_vector_foreach(&idx->objects, i, entry, struct entry*) {
uint32_t split[2];
if (entry->offset != UINT32_MAX)
continue;
split[0] = htonl(entry->offset_long >> 32);
split[1] = htonl(entry->offset_long & 0xffffffff);
git_filebuf_write(&index_file, &split, sizeof(uint32_t) * 2);
}
/* Write out the packfile trailer to the index */
if (git_filebuf_write(&index_file, &trailer_hash, GIT_OID_RAWSZ) < 0)
goto on_error;
/* Write out the hash of the idx */
if (git_filebuf_hash(&trailer_hash, &index_file) < 0)
goto on_error;
git_filebuf_write(&index_file, &trailer_hash, sizeof(git_oid));
/* Figure out what the final name should be */
if (index_path(&filename, idx, ".idx") < 0)
goto on_error;
/* Commit file */
if (git_filebuf_commit_at(&index_file, filename.ptr) < 0)
goto on_error;
git_mwindow_free_all(&idx->pack->mwf);
/* We need to close the descriptor here so Windows doesn't choke on commit_at */
if (p_close(idx->pack->mwf.fd) < 0) {
giterr_set(GITERR_OS, "failed to close packfile");
goto on_error;
}
idx->pack->mwf.fd = -1;
if (index_path(&filename, idx, ".pack") < 0)
goto on_error;
/* And don't forget to rename the packfile to its new place. */
p_rename(idx->pack->pack_name, git_buf_cstr(&filename));
git_buf_free(&filename);
git_hash_ctx_cleanup(&ctx);
return 0;
on_error:
git_mwindow_free_all(&idx->pack->mwf);
git_filebuf_cleanup(&index_file);
git_buf_free(&filename);
git_hash_ctx_cleanup(&ctx);
return -1;
}
git_index_entry *git_index_get(git_index *index, unsigned int n)
{
git_vector_sort(&index->entries);
return git_vector_get(&index->entries, n);
}
int git_index_remove(git_index *index, int position)
{
git_vector_sort(&index->entries);
return git_vector_remove(&index->entries, (unsigned int)position);
}
