/*
* parse_config_line -- (internal) parse single config line. Store possible
* errors in errno.
*/
static void
parse_config_line(char *line, struct rpmemd_special_chars_pos *pos,
struct rpmemd_config *config, uint64_t disabled)
{
if (pos->comment_char < pos->equal_char)
pos->equal_char = INVALID_CHAR_POS;
uint64_t end_of_content = pos->comment_char != INVALID_CHAR_POS ?
pos->comment_char : pos->EOL_char;
if (pos->equal_char == INVALID_CHAR_POS) {
char *leftover = trim_line_element(line, 0, end_of_content);
if (leftover != NULL)
errno = EINVAL;
return;
}
char *key_name = trim_line_element(line, 0, pos->equal_char);
char *value = trim_line_element(line, pos->equal_char + 1,
end_of_content);
if (key_name == NULL || value == NULL) {
errno = EINVAL;
return;
}
enum rpmemd_option key = parse_config_key(key_name);
if (key != RPD_OPT_INVALID) {
if ((disabled & (uint64_t)(1 << key)) == 0)
set_option((uint32_t)key, value, config);
} else
errno = EINVAL;
}
int userdiff_config(const char *k, const char *v)
{
struct userdiff_driver *drv;
const char *name, *type;
int namelen;
if (parse_config_key(k, "diff", &name, &namelen, &type) || !name)
return 0;
drv = userdiff_find_by_namelen(name, namelen);
if (!drv) {
ALLOC_GROW(drivers, ndrivers+1, drivers_alloc);
drv = &drivers[ndrivers++];
memset(drv, 0, sizeof(*drv));
drv->name = xmemdupz(name, namelen);
drv->binary = -1;
}
if (!strcmp(type, "funcname"))
return parse_funcname(&drv->funcname, k, v, 0);
if (!strcmp(type, "xfuncname"))
return parse_funcname(&drv->funcname, k, v, REG_EXTENDED);
if (!strcmp(type, "binary"))
return parse_tristate(&drv->binary, k, v);
if (!strcmp(type, "command"))
return git_config_string(&drv->external, k, v);
if (!strcmp(type, "textconv"))
return git_config_string(&drv->textconv, k, v);
if (!strcmp(type, "cachetextconv"))
return parse_bool(&drv->textconv_want_cache, k, v);
if (!strcmp(type, "wordregex"))
return git_config_string(&drv->word_regex, k, v);
return 0;
}
int parse_submodule_config_option(const char *var, const char *value)
{
struct string_list_item *config;
const char *name, *key;
int namelen;
if (parse_config_key(var, "submodule", &name, &namelen, &key) < 0 || !name)
return 0;
if (!strcmp(key, "path")) {
if (!value)
return config_error_nonbool(var);
config = unsorted_string_list_lookup(&config_name_for_path, value);
if (config)
free(config->util);
else
config = string_list_append(&config_name_for_path, xstrdup(value));
config->util = xmemdupz(name, namelen);
} else if (!strcmp(key, "fetchrecursesubmodules")) {
char *name_cstr = xmemdupz(name, namelen);
config = unsorted_string_list_lookup(&config_fetch_recurse_submodules_for_name, name_cstr);
if (!config)
config = string_list_append(&config_fetch_recurse_submodules_for_name, name_cstr);
else
free(name_cstr);
config->util = (void *)(intptr_t)parse_fetch_recurse_submodules_arg(var, value);
} else if (!strcmp(key, "ignore")) {
char *name_cstr;
if (!value)
return config_error_nonbool(var);
if (strcmp(value, "untracked") && strcmp(value, "dirty") &&
strcmp(value, "all") && strcmp(value, "none")) {
warning("Invalid parameter \"%s\" for config option \"submodule.%s.ignore\"", value, var);
return 0;
}
name_cstr = xmemdupz(name, namelen);
config = unsorted_string_list_lookup(&config_ignore_for_name, name_cstr);
if (config) {
free(config->util);
free(name_cstr);
} else
config = string_list_append(&config_ignore_for_name, name_cstr);
config->util = xstrdup(value);
return 0;
}
return 0;
}
static int name_and_item_from_var(const char *var, struct strbuf *name,
struct strbuf *item)
{
const char *subsection, *key;
int subsection_len, parse;
parse = parse_config_key(var, "submodule", &subsection,
&subsection_len, &key);
if (parse < 0 || !subsection)
return 0;
strbuf_add(name, subsection, subsection_len);
strbuf_addstr(item, key);
return 1;
}
static int reflog_expire_config(const char *var, const char *value, void *cb)
{
const char *pattern, *key;
int pattern_len;
timestamp_t expire;
int slot;
struct reflog_expire_cfg *ent;
if (parse_config_key(var, "gc", &pattern, &pattern_len, &key) < 0)
return git_default_config(var, value, cb);
if (!strcmp(key, "reflogexpire")) {
slot = EXPIRE_TOTAL;
if (git_config_expiry_date(&expire, var, value))
return -1;
} else if (!strcmp(key, "reflogexpireunreachable")) {
slot = EXPIRE_UNREACH;
if (git_config_expiry_date(&expire, var, value))
return -1;
} else
return git_default_config(var, value, cb);
if (!pattern) {
switch (slot) {
case EXPIRE_TOTAL:
default_reflog_expire = expire;
break;
case EXPIRE_UNREACH:
default_reflog_expire_unreachable = expire;
break;
}
return 0;
}
ent = find_cfg_ent(pattern, pattern_len);
if (!ent)
return -1;
switch (slot) {
case EXPIRE_TOTAL:
ent->expire_total = expire;
break;
case EXPIRE_UNREACH:
ent->expire_unreachable = expire;
break;
}
return 0;
}
static int fsck_gitmodules_fn(const char *var, const char *value, void *vdata)
{
struct fsck_gitmodules_data *data = vdata;
const char *subsection, *key;
int subsection_len;
char *name;
if (parse_config_key(var, "submodule", &subsection, &subsection_len, &key) < 0 ||
!subsection)
return 0;
name = xmemdupz(subsection, subsection_len);
if (check_submodule_name(name) < 0)
data->ret |= report(data->options, data->obj,
FSCK_MSG_GITMODULES_NAME,
"disallowed submodule name: %s",
name);
free(name);
return 0;
}
static int name_and_item_from_var(const char *var, struct strbuf *name,
struct strbuf *item)
{
const char *subsection, *key;
int subsection_len, parse;
parse = parse_config_key(var, "submodule", &subsection,
&subsection_len, &key);
if (parse < 0 || !subsection)
return 0;
strbuf_add(name, subsection, subsection_len);
if (check_submodule_name(name->buf) < 0) {
warning(_("ignoring suspicious submodule name: %s"), name->buf);
strbuf_release(name);
return 0;
}
strbuf_addstr(item, key);
return 1;
}
int parse_hide_refs_config(const char *var, const char *value, const char *section)
{
const char *key;
if (!strcmp("transfer.hiderefs", var) ||
(!parse_config_key(var, section, NULL, NULL, &key) &&
!strcmp(key, "hiderefs"))) {
char *ref;
int len;
if (!value)
return config_error_nonbool(var);
ref = xstrdup(value);
len = strlen(ref);
while (len && ref[len - 1] == '/')
ref[--len] = '\0';
if (!hide_refs) {
hide_refs = xcalloc(1, sizeof(*hide_refs));
hide_refs->strdup_strings = 1;
}
string_list_append(hide_refs, ref);
}
return 0;
}
static int tar_filter_config(const char *var, const char *value, void *data)
{
struct archiver *ar;
const char *name;
const char *type;
int namelen;
if (parse_config_key(var, "tar", &name, &namelen, &type) < 0 || !name)
return 0;
ar = find_tar_filter(name, namelen);
if (!ar) {
ar = xcalloc(1, sizeof(*ar));
ar->name = xmemdupz(name, namelen);
ar->write_archive = write_tar_filter_archive;
ar->flags = ARCHIVER_WANT_COMPRESSION_LEVELS;
ALLOC_GROW(tar_filters, nr_tar_filters + 1, alloc_tar_filters);
tar_filters[nr_tar_filters++] = ar;
}
if (!strcmp(type, "command")) {
if (!value)
return config_error_nonbool(var);
free(ar->data);
ar->data = xstrdup(value);
return 0;
}
if (!strcmp(type, "remote")) {
if (git_config_bool(var, value))
ar->flags |= ARCHIVER_REMOTE;
else
ar->flags &= ~ARCHIVER_REMOTE;
return 0;
}
return 0;
}
static int read_merge_config(const char *var, const char *value, void *cb)
{
struct ll_merge_driver *fn;
const char *key, *name;
int namelen;
if (!strcmp(var, "merge.default"))
return git_config_string(&default_ll_merge, var, value);
/*
* We are not interested in anything but "merge.<name>.variable";
* especially, we do not want to look at variables such as
* "merge.summary", "merge.tool", and "merge.verbosity".
*/
if (parse_config_key(var, "merge", &name, &namelen, &key) < 0 || !name)
return 0;
/*
* Find existing one as we might be processing merge.<name>.var2
* after seeing merge.<name>.var1.
*/
for (fn = ll_user_merge; fn; fn = fn->next)
if (!strncmp(fn->name, name, namelen) && !fn->name[namelen])
break;
if (!fn) {
fn = xcalloc(1, sizeof(struct ll_merge_driver));
fn->name = xmemdupz(name, namelen);
fn->fn = ll_ext_merge;
*ll_user_merge_tail = fn;
ll_user_merge_tail = &(fn->next);
}
if (!strcmp("name", key))
return git_config_string(&fn->description, var, value);
if (!strcmp("driver", key)) {
if (!value)
return error("%s: lacks value", var);
/*
* merge.<name>.driver specifies the command line:
*
* command-line
*
* The command-line will be interpolated with the following
* tokens and is given to the shell:
*
* %O - temporary file name for the merge base.
* %A - temporary file name for our version.
* %B - temporary file name for the other branches' version.
* %L - conflict marker length
* %P - the original path (safely quoted for the shell)
*
* The external merge driver should write the results in the
* file named by %A, and signal that it has done with zero exit
* status.
*/
fn->cmdline = xstrdup(value);
return 0;
}
if (!strcmp("recursive", key))
return git_config_string(&fn->recursive, var, value);
return 0;
}
