static int buffer_want_with_caps(const git_remote_head *head, transport_smart_caps *caps, git_buf *buf)
{
git_buf str = GIT_BUF_INIT;
char oid[GIT_OID_HEXSZ +1] = {0};
unsigned int len;
/* Prefer side-band-64k if the server supports both */
if (caps->side_band) {
if (caps->side_band_64k)
git_buf_printf(&str, "%s ", GIT_CAP_SIDE_BAND_64K);
else
git_buf_printf(&str, "%s ", GIT_CAP_SIDE_BAND);
}
if (caps->ofs_delta)
git_buf_puts(&str, GIT_CAP_OFS_DELTA " ");
if (caps->multi_ack)
git_buf_puts(&str, GIT_CAP_MULTI_ACK " ");
if (caps->include_tag)
git_buf_puts(&str, GIT_CAP_INCLUDE_TAG " ");
if (git_buf_oom(&str))
return -1;
len = (unsigned int)
(strlen("XXXXwant ") + GIT_OID_HEXSZ + 1 /* NUL */ +
git_buf_len(&str) + 1 /* LF */);
git_buf_grow(buf, git_buf_len(buf) + len);
git_oid_fmt(oid, &head->oid);
git_buf_printf(buf, "%04xwant %s %s\n", len, oid, git_buf_cstr(&str));
git_buf_free(&str);
return git_buf_oom(buf);
}
static int buffer_want_with_caps(git_remote_head *head, git_transport_caps *caps, git_buf *buf)
{
git_buf str = GIT_BUF_INIT;
char oid[GIT_OID_HEXSZ +1] = {0};
unsigned int len;
if (caps->ofs_delta)
git_buf_puts(&str, GIT_CAP_OFS_DELTA " ");
if (caps->multi_ack)
git_buf_puts(&str, GIT_CAP_MULTI_ACK " ");
if (git_buf_oom(&str))
return -1;
len = (unsigned int)
(strlen("XXXXwant ") + GIT_OID_HEXSZ + 1 /* NUL */ +
git_buf_len(&str) + 1 /* LF */);
git_buf_grow(buf, git_buf_len(buf) + len);
git_oid_fmt(oid, &head->oid);
git_buf_printf(buf, "%04xwant %s %s\n", len, oid, git_buf_cstr(&str));
git_buf_free(&str);
return git_buf_oom(buf);
}
static int on_body_parse_response(http_parser *parser, const char *str, size_t len)
{
transport_http *t = (transport_http *) parser->data;
git_buf *buf = &t->buf;
git_vector *common = &t->common;
int error;
const char *line_end, *ptr;
if (len == 0) { /* EOF */
if (git_buf_len(buf) != 0) {
giterr_set(GITERR_NET, "Unexpected EOF");
return t->error = -1;
} else {
return 0;
}
}
git_buf_put(buf, str, len);
ptr = buf->ptr;
while (1) {
git_pkt *pkt;
if (git_buf_len(buf) == 0)
return 0;
error = git_pkt_parse_line(&pkt, ptr, &line_end, git_buf_len(buf));
if (error == GIT_EBUFS) {
return 0; /* Ask for more */
}
if (error < 0)
return t->error = -1;
git_buf_consume(buf, line_end);
if (pkt->type == GIT_PKT_PACK) {
git__free(pkt);
t->pack_ready = 1;
return 0;
}
if (pkt->type == GIT_PKT_NAK) {
git__free(pkt);
return 0;
}
if (pkt->type != GIT_PKT_ACK) {
git__free(pkt);
continue;
}
if (git_vector_insert(common, pkt) < 0)
return -1;
}
return error;
}
int git_path_to_dir(git_buf *path)
{
if (path->asize > 0 &&
git_buf_len(path) > 0 &&
path->ptr[git_buf_len(path) - 1] != '/')
git_buf_putc(path, '/');
return git_buf_oom(path) ? -1 : 0;
}
int dircount(void *payload, git_buf *pathbuf)
{
int *entries = payload;
size_t len = git_buf_len(pathbuf);
if (len < 5 || strcmp(pathbuf->ptr + (git_buf_len(pathbuf) - 5), "/.git") != 0)
(*entries)++;
return 0;
}
/**
* Create credential object from S4 class 'cred_env'.
*
* @param cred The newly created credential object.
* @param allowed_types A bitmask stating which cred types are OK to return.
* @param credentials The S4 class object with credentials.
* @return 0 on success, else -1.
*/
static int git2r_cred_env(
git_cred **cred,
unsigned int allowed_types,
SEXP credentials)
{
if (GIT_CREDTYPE_USERPASS_PLAINTEXT & allowed_types) {
int err;
git_buf username = GIT_BUF_INIT;
git_buf password = GIT_BUF_INIT;
/* Read value of the username environment variable */
err = git__getenv(&username,
CHAR(STRING_ELT(
GET_SLOT(credentials,
Rf_install("username")), 0)));
if (err)
goto cleanup;
if (!git_buf_len(&username)) {
err = -1;
goto cleanup;
}
/* Read value of the password environment variable */
err = git__getenv(&password,
CHAR(STRING_ELT(
GET_SLOT(credentials,
Rf_install("password")), 0)));
if (err)
goto cleanup;
if (!git_buf_len(&password)) {
err = -1;
goto cleanup;
}
err = git_cred_userpass_plaintext_new(
cred,
git_buf_cstr(&username),
git_buf_cstr(&password));
cleanup:
git_buf_free(&username);
git_buf_free(&password);
if (err)
return -1;
return 0;
}
return -1;
}
int git_path_walk_up(
git_buf *path,
const char *ceiling,
int (*cb)(void *data, git_buf *),
void *data)
{
int error = 0;
git_buf iter;
ssize_t stop = 0, scan;
char oldc = '\0';
assert(path && cb);
if (ceiling != NULL) {
if (git__prefixcmp(path->ptr, ceiling) == 0)
stop = (ssize_t)strlen(ceiling);
else
stop = git_buf_len(path);
}
scan = git_buf_len(path);
iter.ptr = path->ptr;
iter.size = git_buf_len(path);
iter.asize = path->asize;
while (scan >= stop) {
error = cb(data, &iter);
iter.ptr[scan] = oldc;
if (error) {
giterr_set_after_callback(error);
break;
}
scan = git_buf_rfind_next(&iter, '/');
if (scan >= 0) {
scan++;
oldc = iter.ptr[scan];
iter.size = scan;
iter.ptr[scan] = '\0';
}
}
if (scan >= 0)
iter.ptr[scan] = oldc;
return error;
}
static int buffer_to_file(
git_buf *buffer,
const char *path,
mode_t dir_mode,
int file_open_flags,
mode_t file_mode)
{
int fd, error, error_close;
if ((error = git_futils_mkpath2file(path, dir_mode)) < 0)
return error;
if ((fd = p_open(path, file_open_flags, file_mode)) < 0)
return fd;
error = p_write(fd, git_buf_cstr(buffer), git_buf_len(buffer));
error_close = p_close(fd);
if (!error)
error = error_close;
if (!error &&
(file_mode & 0100) != 0 &&
(error = p_chmod(path, file_mode)) < 0)
giterr_set(GITERR_OS, "Failed to set permissions on '%s'", path);
return error;
}
static int prepare_worktree_commit_message(
git_buf* msg,
const char *user_message)
{
git_buf buf = GIT_BUF_INIT;
int error;
if ((error = git_buf_set(&buf, git_buf_cstr(msg), git_buf_len(msg))) < 0)
return error;
git_buf_clear(msg);
if (!user_message)
git_buf_printf(msg, "WIP on %s", git_buf_cstr(&buf));
else {
const char *colon;
if ((colon = strchr(git_buf_cstr(&buf), ':')) == NULL)
goto cleanup;
git_buf_puts(msg, "On ");
git_buf_put(msg, git_buf_cstr(&buf), colon - buf.ptr);
git_buf_printf(msg, ": %s\n", user_message);
}
error = (git_buf_oom(msg) || git_buf_oom(&buf)) ? -1 : 0;
cleanup:
git_buf_free(&buf);
return error;
}
static int diff_print_patch_line(
const git_diff_delta *delta,
const git_diff_range *range,
char line_origin, /* GIT_DIFF_LINE value from above */
const char *content,
size_t content_len,
void *data)
{
diff_print_info *pi = data;
if (S_ISDIR(delta->new_file.mode))
return 0;
git_buf_clear(pi->buf);
if (line_origin == GIT_DIFF_LINE_ADDITION ||
line_origin == GIT_DIFF_LINE_DELETION ||
line_origin == GIT_DIFF_LINE_CONTEXT)
git_buf_printf(pi->buf, "%c%.*s", line_origin, (int)content_len, content);
else if (content_len > 0)
git_buf_printf(pi->buf, "%.*s", (int)content_len, content);
if (git_buf_oom(pi->buf))
return -1;
if (pi->print_cb(delta, range, line_origin,
git_buf_cstr(pi->buf), git_buf_len(pi->buf), pi->payload))
return callback_error();
return 0;
}
static int futils__rmdir_empty_parent(void *opaque, git_buf *path)
{
futils__rmdir_data *data = opaque;
int error;
if (git_buf_len(path) <= data->baselen)
return GIT_ITEROVER;
error = p_rmdir(git_buf_cstr(path));
if (error) {
int en = errno;
if (en == ENOENT || en == ENOTDIR) {
giterr_clear();
error = 0;
} else if (en == ENOTEMPTY || en == EEXIST || en == EBUSY) {
giterr_clear();
error = GIT_ITEROVER;
} else {
futils__error_cannot_rmdir(git_buf_cstr(path), NULL);
}
}
return error;
}
const char *cl_git_sandbox_path(int is_dir, ...)
{
const char *path = NULL;
static char _temp[GIT_PATH_MAX];
git_buf buf = GIT_BUF_INIT;
va_list arg;
cl_git_pass(git_buf_sets(&buf, clar_sandbox_path()));
va_start(arg, is_dir);
while ((path = va_arg(arg, const char *)) != NULL) {
cl_git_pass(git_buf_joinpath(&buf, buf.ptr, path));
}
va_end(arg);
cl_git_pass(git_path_prettify(&buf, buf.ptr, NULL));
if (is_dir)
git_path_to_dir(&buf);
/* make sure we won't truncate */
cl_assert(git_buf_len(&buf) < sizeof(_temp));
git_buf_copy_cstr(_temp, sizeof(_temp), &buf);
git_buf_dispose(&buf);
return _temp;
}
/*
* Read the contents of `file_path` and set `path_out` to the repo dir that
* it points to. Before calling, set `path_out` to the base directory that
* should be used if the contents of `file_path` are a relative path.
*/
static int read_gitfile(git_buf *path_out, const char *file_path)
{
int error = 0;
git_buf file = GIT_BUF_INIT;
size_t prefix_len = strlen(GIT_FILE_CONTENT_PREFIX);
assert(path_out && file_path);
if (git_futils_readbuffer(&file, file_path) < 0)
return -1;
git_buf_rtrim(&file);
/* apparently on Windows, some people use backslashes in paths */
git_path_mkposix(file.ptr);
if (git_buf_len(&file) <= prefix_len ||
memcmp(git_buf_cstr(&file), GIT_FILE_CONTENT_PREFIX, prefix_len) != 0)
{
giterr_set(GITERR_REPOSITORY,
"The `.git` file at '%s' is malformed", file_path);
error = -1;
}
else if ((error = git_path_dirname_r(path_out, file_path)) >= 0) {
const char *gitlink = git_buf_cstr(&file) + prefix_len;
while (*gitlink && git__isspace(*gitlink)) gitlink++;
error = git_path_prettify_dir(
path_out, gitlink, git_buf_cstr(path_out));
}
git_buf_free(&file);
return error;
}
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;
}
static bool _check_dir_contents(
git_buf *dir,
const char *sub,
bool (*predicate)(const char *))
{
bool result;
size_t dir_size = git_buf_len(dir);
size_t sub_size = strlen(sub);
size_t alloc_size;
/* leave base valid even if we could not make space for subdir */
if (GIT_ADD_SIZET_OVERFLOW(&alloc_size, dir_size, sub_size) ||
GIT_ADD_SIZET_OVERFLOW(&alloc_size, alloc_size, 2) ||
git_buf_try_grow(dir, alloc_size, false, false) < 0)
return false;
/* save excursion */
git_buf_joinpath(dir, dir->ptr, sub);
result = predicate(dir->ptr);
/* restore path */
git_buf_truncate(dir, dir_size);
return result;
}
static void setProcessError(DWORD exitCode, git_buf *errBuf)
{
if (!git_buf_oom(errBuf) && git_buf_len(errBuf))
giterr_set(GITERR_FILTER, "External filter application exited non-zero (%ld) and reported:\n%s", exitCode, errBuf->ptr);
else
giterr_set(GITERR_FILTER, "External filter application exited non-zero: %ld", exitCode);
}
int git_futils_writebuffer(
const git_buf *buf, const char *path, int flags, mode_t mode)
{
int fd, error = 0;
if (flags <= 0)
flags = O_CREAT | O_TRUNC | O_WRONLY;
if (!mode)
mode = GIT_FILEMODE_BLOB;
if ((fd = p_open(path, flags, mode)) < 0) {
giterr_set(GITERR_OS, "Could not open '%s' for writing", path);
return fd;
}
if ((error = p_write(fd, git_buf_cstr(buf), git_buf_len(buf))) < 0) {
giterr_set(GITERR_OS, "Could not write to '%s'", path);
(void)p_close(fd);
return error;
}
if ((error = p_close(fd)) < 0)
giterr_set(GITERR_OS, "Error while closing '%s'", path);
return error;
}
size_t git_patch_size(
git_patch *patch,
int include_context,
int include_hunk_headers,
int include_file_headers)
{
size_t out;
assert(patch);
out = patch->content_size;
if (!include_context)
out -= patch->context_size;
if (include_hunk_headers)
out += patch->header_size;
if (include_file_headers) {
git_buf file_header = GIT_BUF_INIT;
if (git_diff_delta__format_file_header(
&file_header, patch->delta, NULL, NULL, 0) < 0)
giterr_clear();
else
out += git_buf_len(&file_header);
git_buf_free(&file_header);
}
return out;
}
int git_reference_normalize_name(
char *buffer_out,
size_t buffer_size,
const char *name,
unsigned int flags)
{
git_buf buf = GIT_BUF_INIT;
int error;
if ((error = git_reference__normalize_name(&buf, name, flags)) < 0)
goto cleanup;
if (git_buf_len(&buf) > buffer_size - 1) {
giterr_set(
GITERR_REFERENCE,
"The provided buffer is too short to hold the normalization of '%s'", name);
error = GIT_EBUFS;
goto cleanup;
}
git_buf_copy_cstr(buffer_out, buffer_size, &buf);
error = 0;
cleanup:
git_buf_free(&buf);
return error;
}
static int loose_backend__foreach(git_odb_backend *_backend, git_odb_foreach_cb cb, void *data)
{
char *objects_dir;
int error;
git_buf buf = GIT_BUF_INIT;
struct foreach_state state;
loose_backend *backend = (loose_backend *) _backend;
assert(backend && cb);
objects_dir = backend->objects_dir;
git_buf_sets(&buf, objects_dir);
git_path_to_dir(&buf);
if (git_buf_oom(&buf))
return -1;
memset(&state, 0, sizeof(state));
state.cb = cb;
state.data = data;
state.dir_len = git_buf_len(&buf);
error = git_path_direach(&buf, 0, foreach_cb, &state);
git_buf_dispose(&buf);
return error;
}
/* Explore an entry of a directory and see if it matches a short oid */
static int fn_locate_object_short_oid(void *state, git_buf *pathbuf) {
loose_locate_object_state *sstate = (loose_locate_object_state *)state;
if (git_buf_len(pathbuf) - sstate->dir_len != GIT_OID_HEXSZ - 2) {
/* Entry cannot be an object. Continue to next entry */
return 0;
}
if (git_path_isdir(pathbuf->ptr) == false) {
/* We are already in the directory matching the 2 first hex characters,
* compare the first ncmp characters of the oids */
if (!memcmp(sstate->short_oid + 2,
(unsigned char *)pathbuf->ptr + sstate->dir_len,
sstate->short_oid_len - 2)) {
if (!sstate->found) {
sstate->res_oid[0] = sstate->short_oid[0];
sstate->res_oid[1] = sstate->short_oid[1];
memcpy(sstate->res_oid+2, pathbuf->ptr+sstate->dir_len, GIT_OID_HEXSZ-2);
}
sstate->found++;
}
}
if (sstate->found > 1)
return GIT_EAMBIGUOUS;
return 0;
}
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;
}
int git_repository_fetchhead_foreach(git_repository *repo,
git_repository_fetchhead_foreach_cb cb,
void *payload)
{
git_buf path = GIT_BUF_INIT, file = GIT_BUF_INIT, name = GIT_BUF_INIT;
const char *ref_name;
git_oid oid;
const char *remote_url;
unsigned int is_merge = 0;
char *buffer, *line;
size_t line_num = 0;
int error = 0;
assert(repo && cb);
if (git_buf_joinpath(&path, repo->path_repository, GIT_FETCH_HEAD_FILE) < 0)
return -1;
if ((error = git_futils_readbuffer(&file, git_buf_cstr(&path))) < 0)
goto done;
buffer = file.ptr;
while ((line = git__strsep(&buffer, "\n")) != NULL) {
++line_num;
if ((error = fetchhead_ref_parse(
&oid, &is_merge, &name, &remote_url, line, line_num)) < 0)
goto done;
if (git_buf_len(&name) > 0)
ref_name = git_buf_cstr(&name);
else
ref_name = NULL;
error = cb(ref_name, remote_url, &oid, is_merge, payload);
if (error) {
giterr_set_after_callback(error);
goto done;
}
}
if (*buffer) {
giterr_set(GITERR_FETCHHEAD, "No EOL at line %"PRIuZ, line_num+1);
error = -1;
goto done;
}
done:
git_buf_free(&file);
git_buf_free(&path);
git_buf_free(&name);
return error;
}
static int process_entry_path(
const char* entry_path,
const git_oid *note_oid,
int (*note_cb)(git_note_data *note_data, void *payload),
void *payload)
{
int error = -1;
size_t i = 0, j = 0, len;
git_buf buf = GIT_BUF_INIT;
git_note_data note_data;
if ((error = git_buf_puts(&buf, entry_path)) < 0)
goto cleanup;
len = git_buf_len(&buf);
while (i < len) {
if (buf.ptr[i] == '/') {
i++;
continue;
}
if (git__fromhex(buf.ptr[i]) < 0) {
/* This is not a note entry */
goto cleanup;
}
if (i != j)
buf.ptr[j] = buf.ptr[i];
i++;
j++;
}
buf.ptr[j] = '\0';
buf.size = j;
if (j != GIT_OID_HEXSZ) {
/* This is not a note entry */
goto cleanup;
}
if ((error = git_oid_fromstr(
¬e_data.annotated_object_oid, buf.ptr)) < 0)
goto cleanup;
git_oid_cpy(¬e_data.blob_oid, note_oid);
if (note_cb(¬e_data, payload))
error = GIT_EUSER;
cleanup:
git_buf_free(&buf);
return error;
}
int git_branch_upstream__name(
git_buf *tracking_name,
git_repository *repo,
const char *canonical_branch_name)
{
const char *remote_name, *merge_name;
git_buf buf = GIT_BUF_INIT;
int error = -1;
git_remote *remote = NULL;
const git_refspec *refspec;
assert(tracking_name && canonical_branch_name);
if (!git_reference__is_branch(canonical_branch_name))
return not_a_local_branch(canonical_branch_name);
if ((error = retrieve_upstream_configuration(
&remote_name, repo, canonical_branch_name, "branch.%s.remote")) < 0)
goto cleanup;
if ((error = retrieve_upstream_configuration(
&merge_name, repo, canonical_branch_name, "branch.%s.merge")) < 0)
goto cleanup;
if (!*remote_name || !*merge_name) {
giterr_set(GITERR_REFERENCE,
"branch '%s' does not have an upstream", canonical_branch_name);
error = GIT_ENOTFOUND;
goto cleanup;
}
if (strcmp(".", remote_name) != 0) {
if ((error = git_remote_load(&remote, repo, remote_name)) < 0)
goto cleanup;
refspec = git_remote__matching_refspec(remote, merge_name);
if (!refspec) {
error = GIT_ENOTFOUND;
goto cleanup;
}
if (git_refspec_transform_r(&buf, refspec, merge_name) < 0)
goto cleanup;
} else
if (git_buf_sets(&buf, merge_name) < 0)
goto cleanup;
error = git_buf_set(tracking_name, git_buf_cstr(&buf), git_buf_len(&buf));
cleanup:
git_remote_free(remote);
git_buf_free(&buf);
return error;
}
static void expect_unquote_pass(const char *expected, const char *quoted)
{
git_buf buf = GIT_BUF_INIT;
cl_git_pass(git_buf_puts(&buf, quoted));
cl_git_pass(git_buf_unquote(&buf));
cl_assert_equal_s(expected, git_buf_cstr(&buf));
cl_assert_equal_i(strlen(expected), git_buf_len(&buf));
git_buf_dispose(&buf);
}
void test_pack_indexer__no_tmp_files(void)
{
git_indexer *idx = NULL;
git_buf path = GIT_BUF_INIT;
git_buf first_tmp_file = GIT_BUF_INIT;
/* Precondition: there are no temporary files. */
cl_git_pass(git_buf_sets(&path, clar_sandbox_path()));
cl_git_pass(find_tmp_file_recurs(&first_tmp_file, &path));
git_buf_free(&path);
cl_assert(git_buf_len(&first_tmp_file) == 0);
cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
git_indexer_free(idx);
cl_git_pass(git_buf_sets(&path, clar_sandbox_path()));
cl_git_pass(find_tmp_file_recurs(&first_tmp_file, &path));
git_buf_free(&path);
cl_assert(git_buf_len(&first_tmp_file) == 0);
git_buf_free(&first_tmp_file);
}
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;
}
int git_path_direach(
git_buf *path,
int (*fn)(void *, git_buf *),
void *arg)
{
ssize_t wd_len;
DIR *dir;
struct dirent *de, *de_buf;
if (git_path_to_dir(path) < 0)
return -1;
wd_len = git_buf_len(path);
if ((dir = opendir(path->ptr)) == NULL) {
giterr_set(GITERR_OS, "Failed to open directory '%s'", path->ptr);
return -1;
}
#ifdef __sun
de_buf = git__malloc(sizeof(struct dirent) + FILENAME_MAX + 1);
#else
de_buf = git__malloc(sizeof(struct dirent));
#endif
while (p_readdir_r(dir, de_buf, &de) == 0 && de != NULL) {
int result;
if (is_dot_or_dotdot(de->d_name))
continue;
if (git_buf_puts(path, de->d_name) < 0) {
closedir(dir);
git__free(de_buf);
return -1;
}
result = fn(arg, path);
git_buf_truncate(path, wd_len); /* restore path */
if (result < 0) {
closedir(dir);
git__free(de_buf);
return -1;
}
}
closedir(dir);
git__free(de_buf);
return 0;
}
static int buffer_want_with_caps(const git_remote_head *head, transport_smart_caps *caps, git_buf *buf)
{
git_buf str = GIT_BUF_INIT;
char oid[GIT_OID_HEXSZ +1] = {0};
size_t len;
/* Prefer multi_ack_detailed */
if (caps->multi_ack_detailed)
git_buf_puts(&str, GIT_CAP_MULTI_ACK_DETAILED " ");
else if (caps->multi_ack)
git_buf_puts(&str, GIT_CAP_MULTI_ACK " ");
/* Prefer side-band-64k if the server supports both */
if (caps->side_band_64k)
git_buf_printf(&str, "%s ", GIT_CAP_SIDE_BAND_64K);
else if (caps->side_band)
git_buf_printf(&str, "%s ", GIT_CAP_SIDE_BAND);
if (caps->include_tag)
git_buf_puts(&str, GIT_CAP_INCLUDE_TAG " ");
if (caps->thin_pack)
git_buf_puts(&str, GIT_CAP_THIN_PACK " ");
if (caps->ofs_delta)
git_buf_puts(&str, GIT_CAP_OFS_DELTA " ");
if (git_buf_oom(&str))
return -1;
len = strlen("XXXXwant ") + GIT_OID_HEXSZ + 1 /* NUL */ +
git_buf_len(&str) + 1 /* LF */;
if (len > 0xffff) {
giterr_set(GITERR_NET,
"tried to produce packet with invalid length %" PRIuZ, len);
return -1;
}
git_buf_grow_by(buf, len);
git_oid_fmt(oid, &head->oid);
git_buf_printf(buf,
"%04xwant %s %s\n", (unsigned int)len, oid, git_buf_cstr(&str));
git_buf_dispose(&str);
GITERR_CHECK_ALLOC_BUF(buf);
return 0;
}
