void test_refs_branches_move__can_not_move_a_branch_if_its_destination_name_collide_with_an_existing_one(void)
{
git_reference *original_ref, *new_ref;
git_config *config;
git_buf buf = GIT_BUF_INIT;
char *original_remote, *original_merge;
const char *str;
cl_git_pass(git_repository_config_snapshot(&config, repo));
cl_git_pass(git_config_get_string_buf(&buf, config, "branch.master.remote"));
original_remote = git_buf_detach(&buf);
cl_git_pass(git_config_get_string_buf(&buf, config, "branch.master.merge"));
original_merge = git_buf_detach(&buf);
git_config_free(config);
cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/br2"));
cl_assert_equal_i(GIT_EEXISTS,
git_branch_move(&new_ref, original_ref, "master", 0));
cl_assert(giterr_last()->message != NULL);
cl_git_pass(git_repository_config_snapshot(&config, repo));
cl_git_pass(git_config_get_string(&str, config, "branch.master.remote"));
cl_assert_equal_s(original_remote, str);
cl_git_pass(git_config_get_string(&str, config, "branch.master.merge"));
cl_assert_equal_s(original_merge, str);
git_config_free(config);
cl_assert_equal_i(GIT_EEXISTS,
git_branch_move(&new_ref, original_ref, "cannot-fetch", 0));
cl_assert(giterr_last()->message != NULL);
cl_git_pass(git_repository_config_snapshot(&config, repo));
cl_git_pass(git_config_get_string(&str, config, "branch.master.remote"));
cl_assert_equal_s(original_remote, str);
cl_git_pass(git_config_get_string(&str, config, "branch.master.merge"));
cl_assert_equal_s(original_merge, str);
git_config_free(config);
git_reference_free(original_ref);
cl_git_pass(git_reference_lookup(&original_ref, repo, "refs/heads/track-local"));
cl_assert_equal_i(GIT_EEXISTS,
git_branch_move(&new_ref, original_ref, "master", 0));
cl_assert(giterr_last()->message != NULL);
cl_git_pass(git_repository_config_snapshot(&config, repo));
cl_git_pass(git_config_get_string(&str, config, "branch.master.remote"));
cl_assert_equal_s(original_remote, str);
cl_git_pass(git_config_get_string(&str, config, "branch.master.merge"));
cl_assert_equal_s(original_merge, str);
git__free(original_remote); git__free(original_merge);
git_reference_free(original_ref);
git_config_free(config);
}
static int load_workdir(git_repository *repo, git_buf *parent_path)
{
int error;
git_config *config;
const char *worktree;
git_buf worktree_buf = GIT_BUF_INIT;
if (repo->is_bare)
return 0;
if (git_repository_config__weakptr(&config, repo) < 0)
return -1;
error = git_config_get_string(&worktree, config, "core.worktree");
if (!error && worktree != NULL)
repo->workdir = git__strdup(worktree);
else if (error != GIT_ENOTFOUND)
return error;
else {
giterr_clear();
if (parent_path && git_path_isdir(parent_path->ptr))
repo->workdir = git_buf_detach(parent_path);
else {
git_path_dirname_r(&worktree_buf, repo->path_repository);
git_path_to_dir(&worktree_buf);
repo->workdir = git_buf_detach(&worktree_buf);
}
}
GITERR_CHECK_ALLOC(repo->workdir);
return 0;
}
static int load_workdir(git_repository *repo, git_config *config, git_buf *parent_path)
{
int error;
const git_config_entry *ce;
git_buf worktree = GIT_BUF_INIT;
if (repo->is_bare)
return 0;
if ((error = git_config__lookup_entry(
&ce, config, "core.worktree", false)) < 0)
return error;
if (ce && ce->value) {
if ((error = git_path_prettify_dir(
&worktree, ce->value, repo->path_repository)) < 0)
return error;
repo->workdir = git_buf_detach(&worktree);
}
else if (parent_path && git_path_isdir(parent_path->ptr))
repo->workdir = git_buf_detach(parent_path);
else {
if (git_path_dirname_r(&worktree, repo->path_repository) < 0 ||
git_path_to_dir(&worktree) < 0)
return -1;
repo->workdir = git_buf_detach(&worktree);
}
GITERR_CHECK_ALLOC(repo->workdir);
return 0;
}
static int attr_cache__lookup_path(
char **out, git_config *cfg, const char *key, const char *fallback)
{
git_buf buf = GIT_BUF_INIT;
int error;
git_config_entry *entry = NULL;
*out = NULL;
if ((error = git_config__lookup_entry(&entry, cfg, key, false)) < 0)
return error;
if (entry) {
const char *cfgval = entry->value;
/* expand leading ~/ as needed */
if (cfgval && cfgval[0] == '~' && cfgval[1] == '/' &&
!git_sysdir_find_global_file(&buf, &cfgval[2]))
*out = git_buf_detach(&buf);
else if (cfgval)
*out = git__strdup(cfgval);
}
else if (!git_sysdir_find_xdg_file(&buf, fallback))
*out = git_buf_detach(&buf);
git_config_entry_free(entry);
git_buf_free(&buf);
return error;
}
static int rebase_init(
git_rebase *rebase,
git_repository *repo,
const git_annotated_commit *branch,
const git_annotated_commit *upstream,
const git_annotated_commit *onto,
const git_rebase_options *opts)
{
git_buf state_path = GIT_BUF_INIT;
int error;
if ((error = git_buf_joinpath(&state_path, repo->path_repository, REBASE_MERGE_DIR)) < 0)
return error;
rebase->repo = repo;
rebase->type = GIT_REBASE_TYPE_MERGE;
rebase->state_path = git_buf_detach(&state_path);
rebase->orig_head_name = git__strdup(branch->ref_name ? branch->ref_name : ORIG_DETACHED_HEAD);
rebase->quiet = opts->quiet;
git_oid_cpy(&rebase->orig_head_id, git_annotated_commit_id(branch));
git_oid_cpy(&rebase->onto_id, git_annotated_commit_id(onto));
if (!rebase->orig_head_name || !rebase->state_path)
return -1;
error = rebase_init_merge(rebase, repo, branch, upstream, onto);
git_buf_free(&state_path);
return error;
}
int git_repository_open_ext(
git_repository **repo_ptr,
const char *start_path,
uint32_t flags,
const char *ceiling_dirs)
{
int error;
git_buf path = GIT_BUF_INIT, parent = GIT_BUF_INIT;
git_repository *repo;
*repo_ptr = NULL;
if ((error = find_repo(&path, &parent, start_path, flags, ceiling_dirs)) < 0)
return error;
repo = repository_alloc();
GITERR_CHECK_ALLOC(repo);
repo->path_repository = git_buf_detach(&path);
GITERR_CHECK_ALLOC(repo->path_repository);
if ((error = load_config_data(repo)) < 0 ||
(error = load_workdir(repo, &parent)) < 0)
{
git_repository_free(repo);
return error;
}
git_buf_free(&parent);
*repo_ptr = repo;
return 0;
}
const char *git_commit_summary(git_commit *commit)
{
git_buf summary = GIT_BUF_INIT;
const char *msg, *space;
assert(commit);
if (!commit->summary) {
for (msg = git_commit_message(commit), space = NULL; *msg; ++msg) {
if (msg[0] == '\n' && (!msg[1] || msg[1] == '\n'))
break;
else if (msg[0] == '\n')
git_buf_putc(&summary, ' ');
else if (git__isspace(msg[0]))
space = space ? space : msg;
else if (space) {
git_buf_put(&summary, space, (msg - space) + 1);
space = NULL;
} else
git_buf_putc(&summary, *msg);
}
commit->summary = git_buf_detach(&summary);
if (!commit->summary)
commit->summary = git__strdup("");
}
return commit->summary;
}
int git_error_state_capture(git_error_state *state, int error_code)
{
git_error *error = GIT_GLOBAL->last_error;
git_buf *error_buf = &GIT_GLOBAL->error_buf;
memset(state, 0, sizeof(git_error_state));
if (!error_code)
return 0;
state->error_code = error_code;
state->oom = (error == &g_git_oom_error);
if (error) {
state->error_msg.klass = error->klass;
if (state->oom)
state->error_msg.message = g_git_oom_error.message;
else
state->error_msg.message = git_buf_detach(error_buf);
}
git_error_clear();
return error_code;
}
int git_repository_open_bare(
git_repository **repo_ptr,
const char *bare_path)
{
int error;
git_buf path = GIT_BUF_INIT;
git_repository *repo = NULL;
if ((error = git_path_prettify_dir(&path, bare_path, NULL)) < 0)
return error;
if (!valid_repository_path(&path)) {
git_buf_free(&path);
giterr_set(GITERR_REPOSITORY, "Path is not a repository: %s", bare_path);
return GIT_ENOTFOUND;
}
repo = repository_alloc();
GITERR_CHECK_ALLOC(repo);
repo->path_repository = git_buf_detach(&path);
GITERR_CHECK_ALLOC(repo->path_repository);
/* of course we're bare! */
repo->is_bare = 1;
repo->workdir = NULL;
*repo_ptr = repo;
return 0;
}
int git_odb_backend_pack(git_odb_backend **backend_out, const char *objects_dir)
{
int error = 0;
struct pack_backend *backend = NULL;
git_buf path = GIT_BUF_INIT;
if (git_mwindow_files_init() < 0)
return -1;
if (pack_backend__alloc(&backend, 8) < 0)
return -1;
if (!(error = git_buf_joinpath(&path, objects_dir, "pack")) &&
git_path_isdir(git_buf_cstr(&path)))
{
backend->pack_folder = git_buf_detach(&path);
error = pack_backend__refresh((git_odb_backend *)backend);
}
if (error < 0) {
pack_backend__free((git_odb_backend *)backend);
backend = NULL;
}
*backend_out = (git_odb_backend *)backend;
git_buf_free(&path);
return error;
}
/* what is the common non-wildcard prefix for all items in the pathspec */
char *git_pathspec_prefix(const git_strarray *pathspec)
{
git_buf prefix = GIT_BUF_INIT;
const char *scan;
if (!pathspec || !pathspec->count ||
git_buf_text_common_prefix(&prefix, pathspec) < 0)
return NULL;
/* diff prefix will only be leading non-wildcards */
for (scan = prefix.ptr; *scan; ++scan) {
if (git__iswildcard(*scan) &&
(scan == prefix.ptr || (*(scan - 1) != '\\')))
break;
}
git_buf_truncate(&prefix, scan - prefix.ptr);
if (prefix.size <= 0) {
git_buf_free(&prefix);
return NULL;
}
git_buf_text_unescape(&prefix);
return git_buf_detach(&prefix);
}
static char *get_filename(const char *in)
{
char *search_dirname, *search_filename, *filename = NULL;
git_buf out = GIT_BUF_INIT;
DIR *dir;
struct dirent *de;
cl_assert(search_dirname = git_path_dirname(in));
cl_assert(search_filename = git_path_basename(in));
cl_assert(dir = opendir(search_dirname));
while ((de = readdir(dir))) {
if (strcasecmp(de->d_name, search_filename) == 0) {
git_buf_join(&out, '/', search_dirname, de->d_name);
filename = git_buf_detach(&out);
break;
}
}
closedir(dir);
git__free(search_dirname);
git__free(search_filename);
git_buf_dispose(&out);
return filename;
}
static int rebase_state_type(
git_rebase_type_t *type_out,
char **path_out,
git_repository *repo)
{
git_buf path = GIT_BUF_INIT;
git_rebase_type_t type = GIT_REBASE_TYPE_NONE;
if (git_buf_joinpath(&path, repo->path_repository, REBASE_APPLY_DIR) < 0)
return -1;
if (git_path_isdir(git_buf_cstr(&path))) {
type = GIT_REBASE_TYPE_APPLY;
goto done;
}
git_buf_clear(&path);
if (git_buf_joinpath(&path, repo->path_repository, REBASE_MERGE_DIR) < 0)
return -1;
if (git_path_isdir(git_buf_cstr(&path))) {
type = GIT_REBASE_TYPE_MERGE;
goto done;
}
done:
*type_out = type;
if (type != GIT_REBASE_TYPE_NONE && path_out)
*path_out = git_buf_detach(&path);
git_buf_free(&path);
return 0;
}
static int rebase_open_merge(git_rebase *rebase)
{
git_buf state_path = GIT_BUF_INIT, buf = GIT_BUF_INIT, cmt = GIT_BUF_INIT;
git_oid id;
git_rebase_operation *operation;
size_t i, msgnum = 0, end;
int error;
if ((error = git_buf_puts(&state_path, rebase->state_path)) < 0)
goto done;
/* Read 'msgnum' if it exists (otherwise, let msgnum = 0) */
if ((error = rebase_readint(&msgnum, &buf, &state_path, MSGNUM_FILE)) < 0 &&
error != GIT_ENOTFOUND)
goto done;
if (msgnum) {
rebase->started = 1;
rebase->current = msgnum - 1;
}
/* Read 'end' */
if ((error = rebase_readint(&end, &buf, &state_path, END_FILE)) < 0)
goto done;
/* Read 'current' if it exists */
if ((error = rebase_readoid(&id, &buf, &state_path, CURRENT_FILE)) < 0 &&
error != GIT_ENOTFOUND)
goto done;
/* Read cmt.* */
git_array_init_to_size(rebase->operations, end);
GITERR_CHECK_ARRAY(rebase->operations);
for (i = 0; i < end; i++) {
git_buf_clear(&cmt);
if ((error = git_buf_printf(&cmt, "cmt.%" PRIuZ, (i+1))) < 0 ||
(error = rebase_readoid(&id, &buf, &state_path, cmt.ptr)) < 0)
goto done;
operation = rebase_operation_alloc(rebase, GIT_REBASE_OPERATION_PICK, &id, NULL);
GITERR_CHECK_ALLOC(operation);
}
/* Read 'onto_name' */
if ((error = rebase_readfile(&buf, &state_path, ONTO_NAME_FILE)) < 0)
goto done;
rebase->onto_name = git_buf_detach(&buf);
done:
git_buf_free(&cmt);
git_buf_free(&state_path);
git_buf_free(&buf);
return error;
}
static int diff_file_content_load_workdir_file(
git_diff_file_content *fc, git_buf *path)
{
int error = 0;
git_vector filters = GIT_VECTOR_INIT;
git_buf raw = GIT_BUF_INIT, filtered = GIT_BUF_INIT;
git_file fd = git_futils_open_ro(git_buf_cstr(path));
if (fd < 0)
return fd;
if (!fc->file->size &&
!(fc->file->size = git_futils_filesize(fd)))
goto cleanup;
if (diff_file_content_binary_by_size(fc))
goto cleanup;
if ((error = git_filters_load(
&filters, fc->repo, fc->file->path, GIT_FILTER_TO_ODB)) < 0)
goto cleanup;
/* error >= is a filter count */
if (error == 0) {
if (!(error = git_futils_mmap_ro(
&fc->map, fd, 0, (size_t)fc->file->size)))
fc->flags |= GIT_DIFF_FLAG__UNMAP_DATA;
else /* fall through to try readbuffer below */
giterr_clear();
}
if (error != 0) {
error = git_futils_readbuffer_fd(&raw, fd, (size_t)fc->file->size);
if (error < 0)
goto cleanup;
if (!filters.length)
git_buf_swap(&filtered, &raw);
else
error = git_filters_apply(&filtered, &raw, &filters);
if (!error) {
fc->map.len = git_buf_len(&filtered);
fc->map.data = git_buf_detach(&filtered);
fc->flags |= GIT_DIFF_FLAG__FREE_DATA;
}
git_buf_free(&raw);
git_buf_free(&filtered);
}
cleanup:
git_filters_free(&filters);
p_close(fd);
return error;
}
static int parse_header_path(char **out, git_patch_parse_ctx *ctx)
{
git_buf path = GIT_BUF_INIT;
int error = parse_header_path_buf(&path, ctx, header_path_len(ctx));
*out = git_buf_detach(&path);
return error;
}
static int rebase_init_merge(
git_rebase *rebase,
git_repository *repo,
const git_annotated_commit *branch,
const git_annotated_commit *upstream,
const git_annotated_commit *onto)
{
git_reference *head_ref = NULL;
git_commit *onto_commit = NULL;
git_buf reflog = GIT_BUF_INIT;
git_buf state_path = GIT_BUF_INIT;
int error;
GIT_UNUSED(upstream);
if ((error = git_buf_joinpath(&state_path, repo->path_repository, REBASE_MERGE_DIR)) < 0)
goto done;
rebase->state_path = git_buf_detach(&state_path);
GITERR_CHECK_ALLOC(rebase->state_path);
if (branch->ref_name) {
rebase->orig_head_name = git__strdup(branch->ref_name);
GITERR_CHECK_ALLOC(rebase->orig_head_name);
} else {
rebase->head_detached = 1;
}
rebase->onto_name = git__strdup(rebase_onto_name(onto));
GITERR_CHECK_ALLOC(rebase->onto_name);
rebase->quiet = rebase->options.quiet;
git_oid_cpy(&rebase->orig_head_id, git_annotated_commit_id(branch));
git_oid_cpy(&rebase->onto_id, git_annotated_commit_id(onto));
if ((error = rebase_setupfiles(rebase)) < 0 ||
(error = git_buf_printf(&reflog,
"rebase: checkout %s", rebase_onto_name(onto))) < 0 ||
(error = git_commit_lookup(
&onto_commit, repo, git_annotated_commit_id(onto))) < 0 ||
(error = git_checkout_tree(repo,
(git_object *)onto_commit, &rebase->options.checkout_options)) < 0 ||
(error = git_reference_create(&head_ref, repo, GIT_HEAD_FILE,
git_annotated_commit_id(onto), 1, reflog.ptr)) < 0)
goto done;
done:
git_reference_free(head_ref);
git_commit_free(onto_commit);
git_buf_free(&reflog);
git_buf_free(&state_path);
return error;
}
char *git_path_basename(const char *path)
{
git_buf buf = GIT_BUF_INIT;
char *basename;
git_path_basename_r(&buf, path);
basename = git_buf_detach(&buf);
git_buf_free(&buf); /* avoid memleak if error occurs */
return basename;
}
/* test detach/attach data */
void test_core_buffer__7(void)
{
const char *fun = "This is fun";
git_buf a = GIT_BUF_INIT;
char *b = NULL;
git_buf_sets(&a, "foo");
cl_assert(git_buf_oom(&a) == 0);
cl_assert_equal_s("foo", git_buf_cstr(&a));
b = git_buf_detach(&a);
cl_assert_equal_s("foo", b);
cl_assert_equal_s("", a.ptr);
git__free(b);
b = git_buf_detach(&a);
cl_assert_equal_s(NULL, b);
cl_assert_equal_s("", a.ptr);
git_buf_free(&a);
b = git__strdup(fun);
git_buf_attach(&a, b, 0);
cl_assert_equal_s(fun, a.ptr);
cl_assert(a.size == strlen(fun));
cl_assert(a.asize == strlen(fun) + 1);
git_buf_free(&a);
b = git__strdup(fun);
git_buf_attach(&a, b, strlen(fun) + 1);
cl_assert_equal_s(fun, a.ptr);
cl_assert(a.size == strlen(fun));
cl_assert(a.asize == strlen(fun) + 1);
git_buf_free(&a);
}
static char *get_filename(const char *in)
{
#ifdef GIT_WIN32
HANDLE fh;
HMODULE kerneldll;
char *filename;
typedef DWORD (__stdcall *getfinalpathname)(HANDLE, LPSTR, DWORD, DWORD);
getfinalpathname getfinalpathfn;
cl_assert(filename = malloc(MAX_PATH));
cl_assert(kerneldll = LoadLibrary("kernel32.dll"));
cl_assert(getfinalpathfn = (getfinalpathname)GetProcAddress(kerneldll, "GetFinalPathNameByHandleA"));
cl_assert(fh = CreateFileA(in, FILE_READ_ATTRIBUTES | STANDARD_RIGHTS_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS, NULL));
cl_win32_pass(getfinalpathfn(fh, filename, MAX_PATH, VOLUME_NAME_DOS));
CloseHandle(fh);
git_path_mkposix(filename);
return filename;
#else
char *search_dirname, *search_filename, *filename = NULL;
git_buf out = GIT_BUF_INIT;
DIR *dir;
struct dirent *de;
cl_assert(search_dirname = git_path_dirname(in));
cl_assert(search_filename = git_path_basename(in));
cl_assert(dir = opendir(search_dirname));
while ((de = readdir(dir))) {
if (strcasecmp(de->d_name, search_filename) == 0) {
git_buf_join(&out, '/', search_dirname, de->d_name);
filename = git_buf_detach(&out);
break;
}
}
closedir(dir);
git__free(search_dirname);
git__free(search_filename);
git_buf_free(&out);
return filename;
#endif
}
static int diff_file_content_commit_to_str(
git_diff_file_content *fc, bool check_status)
{
char oid[GIT_OID_HEXSZ+1];
git_buf content = GIT_BUF_INIT;
const char *status = "";
if (check_status) {
int error = 0;
git_submodule *sm = NULL;
unsigned int sm_status = 0;
const git_oid *sm_head;
if ((error = git_submodule_lookup(&sm, fc->repo, fc->file->path)) < 0) {
/* GIT_EEXISTS means a "submodule" that has not been git added */
if (error == GIT_EEXISTS) {
giterr_clear();
error = 0;
}
return error;
}
if ((error = git_submodule_status(&sm_status, fc->repo, fc->file->path, GIT_SUBMODULE_IGNORE_UNSPECIFIED)) < 0) {
git_submodule_free(sm);
return error;
}
/* update OID if we didn't have it previously */
if ((fc->file->flags & GIT_DIFF_FLAG_VALID_ID) == 0 &&
((sm_head = git_submodule_wd_id(sm)) != NULL ||
(sm_head = git_submodule_head_id(sm)) != NULL))
{
git_oid_cpy(&fc->file->id, sm_head);
fc->file->flags |= GIT_DIFF_FLAG_VALID_ID;
}
if (GIT_SUBMODULE_STATUS_IS_WD_DIRTY(sm_status))
status = "-dirty";
git_submodule_free(sm);
}
git_oid_tostr(oid, sizeof(oid), &fc->file->id);
if (git_buf_printf(&content, "Subproject commit %s%s\n", oid, status) < 0)
return -1;
fc->map.len = git_buf_len(&content);
fc->map.data = git_buf_detach(&content);
fc->flags |= GIT_DIFF_FLAG__FREE_DATA;
return 0;
}
static int parse_variable(git_config_parser *reader, char **var_name, char **var_value)
{
const char *value_start = NULL;
char *line;
int quote_count;
bool multiline;
git_parse_advance_ws(&reader->ctx);
line = git__strndup(reader->ctx.line, reader->ctx.line_len);
if (line == NULL)
return -1;
quote_count = strip_comments(line, 0);
/* If there is no value, boolean true is assumed */
*var_value = NULL;
if (parse_name(var_name, &value_start, reader, line) < 0)
goto on_error;
/*
* Now, let's try to parse the value
*/
if (value_start != NULL) {
while (git__isspace(value_start[0]))
value_start++;
if (unescape_line(var_value, &multiline, value_start, 0) < 0)
goto on_error;
if (multiline) {
git_buf multi_value = GIT_BUF_INIT;
git_buf_attach(&multi_value, *var_value, 0);
if (parse_multiline_variable(reader, &multi_value, quote_count) < 0 ||
git_buf_oom(&multi_value)) {
git_buf_free(&multi_value);
goto on_error;
}
*var_value = git_buf_detach(&multi_value);
}
}
git__free(line);
return 0;
on_error:
git__free(*var_name);
git__free(line);
return -1;
}
static int parse_header_git_oldpath(
git_patch_parsed *patch, git_patch_parse_ctx *ctx)
{
git_buf old_path = GIT_BUF_INIT;
int error;
if ((error = parse_header_path_buf(&old_path, ctx, ctx->parse_ctx.line_len - 1)) < 0)
goto out;
patch->old_path = git_buf_detach(&old_path);
out:
git_buf_dispose(&old_path);
return error;
}
int git_repository_set_workdir(git_repository *repo, const char *workdir)
{
git_buf path = GIT_BUF_INIT;
assert(repo && workdir);
if (git_path_prettify_dir(&path, workdir, NULL) < 0)
return -1;
git__free(repo->workdir);
repo->workdir = git_buf_detach(&path);
repo->is_bare = 0;
return 0;
}
static int parse_header_rename(
char **out,
git_patch_parse_ctx *ctx)
{
git_buf path = GIT_BUF_INIT;
if (parse_header_path_buf(&path, ctx, header_path_len(ctx)) < 0)
return -1;
/* Note: the `rename from` and `rename to` lines include the literal
* filename. They do *not* include the prefix. (Who needs consistency?)
*/
*out = git_buf_detach(&path);
return 0;
}
static int diff_file_content_load_workdir_symlink_fake(
git_diff_file_content *fc, git_buf *path)
{
git_buf target = GIT_BUF_INIT;
int error;
if ((error = git_futils_readbuffer(&target, path->ptr)) < 0)
return error;
fc->map.len = git_buf_len(&target);
fc->map.data = git_buf_detach(&target);
fc->flags |= GIT_DIFF_FLAG__FREE_DATA;
git_buf_dispose(&target);
return error;
}
/*
* At one point, there was a loose object format that was intended to
* mimic the format used in pack-files. This was to allow easy copying
* of loose object data into packs. This format is no longer used, but
* we must still read it.
*/
static int read_loose_packlike(git_rawobj *out, git_buf *obj)
{
git_buf body = GIT_BUF_INIT;
const unsigned char *obj_data;
obj_hdr hdr;
size_t obj_len, head_len, alloc_size;
int error;
obj_data = (unsigned char *)obj->ptr;
obj_len = obj->size;
/*
* read the object header, which is an (uncompressed)
* binary encoding of the object type and size.
*/
if ((error = parse_header_packlike(&hdr, &head_len, obj_data, obj_len)) < 0)
goto done;
if (!git_object_typeisloose(hdr.type) || head_len > obj_len) {
giterr_set(GITERR_ODB, "failed to inflate loose object");
error = -1;
goto done;
}
obj_data += head_len;
obj_len -= head_len;
/*
* allocate a buffer and inflate the data into it
*/
if (GIT_ADD_SIZET_OVERFLOW(&alloc_size, hdr.size, 1) ||
git_buf_init(&body, alloc_size) < 0) {
error = -1;
goto done;
}
if ((error = git_zstream_inflatebuf(&body, obj_data, obj_len)) < 0)
goto done;
out->len = hdr.size;
out->type = hdr.type;
out->data = git_buf_detach(&body);
done:
git_buf_dispose(&body);
return error;
}
void cl_fake_home(void)
{
git_buf path = GIT_BUF_INIT;
cl_git_pass(git_libgit2_opts(
GIT_OPT_GET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, &path));
_cl_restore_home = git_buf_detach(&path);
cl_set_cleanup(cl_fake_home_cleanup, NULL);
if (!git_path_exists("home"))
cl_must_pass(p_mkdir("home", 0777));
cl_git_pass(git_path_prettify(&path, "home", NULL));
cl_git_pass(git_libgit2_opts(
GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, path.ptr));
git_buf_free(&path);
}
static int read_variable_cb(
git_config_parser *reader,
const char *current_section,
const char *var_name,
const char *var_value,
const char *line,
size_t line_len,
void *payload)
{
config_memory_parse_data *parse_data = (config_memory_parse_data *) payload;
git_buf buf = GIT_BUF_INIT;
git_config_entry *entry;
const char *c;
int result;
GIT_UNUSED(reader);
GIT_UNUSED(line);
GIT_UNUSED(line_len);
if (current_section) {
/* TODO: Once warnings land, we should likely warn
* here. Git appears to warn in most cases if it sees
* un-namespaced config options.
*/
git_buf_puts(&buf, current_section);
git_buf_putc(&buf, '.');
}
for (c = var_name; *c; c++)
git_buf_putc(&buf, git__tolower(*c));
if (git_buf_oom(&buf))
return -1;
entry = git__calloc(1, sizeof(git_config_entry));
GITERR_CHECK_ALLOC(entry);
entry->name = git_buf_detach(&buf);
entry->value = var_value ? git__strdup(var_value) : NULL;
entry->level = parse_data->level;
entry->include_depth = 0;
if ((result = git_config_entries_append(parse_data->entries, entry)) < 0)
return result;
return result;
}
const char *git_commit_summary(git_commit *commit)
{
git_buf summary = GIT_BUF_INIT;
const char *msg, *space;
bool space_contains_newline = false;
assert(commit);
if (!commit->summary) {
for (msg = git_commit_message(commit), space = NULL; *msg; ++msg) {
char next_character = msg[0];
/* stop processing at the end of the first paragraph */
if (next_character == '\n' && (!msg[1] || msg[1] == '\n'))
break;
/* record the beginning of contiguous whitespace runs */
else if (git__isspace(next_character)) {
if(space == NULL) {
space = msg;
space_contains_newline = false;
}
space_contains_newline |= next_character == '\n';
}
/* the next character is non-space */
else {
/* process any recorded whitespace */
if (space) {
if(space_contains_newline)
git_buf_putc(&summary, ' '); /* if the space contains a newline, collapse to ' ' */
else
git_buf_put(&summary, space, (msg - space)); /* otherwise copy it */
space = NULL;
}
/* copy the next character */
git_buf_putc(&summary, next_character);
}
}
commit->summary = git_buf_detach(&summary);
if (!commit->summary)
commit->summary = git__strdup("");
}
return commit->summary;
}
