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/* Copyright 2012-present Facebook, Inc.
* Licensed under the Apache License, Version 2.0 */
#include "watchman.h"
#include "InMemoryView.h"
#include "make_unique.h"
static json_ref load_root_config(const char* path) {
char cfgfilename[WATCHMAN_NAME_MAX];
json_error_t err;
snprintf(cfgfilename, sizeof(cfgfilename), "%s/.watchmanconfig", path);
if (!w_path_exists(cfgfilename)) {
if (errno == ENOENT) {
return nullptr;
}
w_log(W_LOG_ERR, "%s is not accessible: %s\n",
cfgfilename, strerror(errno));
return nullptr;
}
auto res = json_load_file(cfgfilename, 0, &err);
if (!res) {
w_log(W_LOG_ERR, "failed to parse json from %s: %s\n",
cfgfilename, err.text);
}
return res;
}
void watchman_root::applyIgnoreConfiguration() {
uint8_t i;
json_t *ignores;
ignores = config.get("ignore_dirs");
if (!ignores) {
return;
}
if (!json_is_array(ignores)) {
w_log(W_LOG_ERR, "ignore_dirs must be an array of strings\n");
return;
}
for (i = 0; i < json_array_size(ignores); i++) {
auto jignore = json_array_get(ignores, i);
if (!json_is_string(jignore)) {
w_log(W_LOG_ERR, "ignore_dirs must be an array of strings\n");
continue;
}
auto name = json_to_w_string(jignore);
auto fullname = w_string::pathCat({root_path, name});
ignore.add(fullname, false);
w_log(W_LOG_DBG, "ignoring %s recursively\n", fullname.c_str());
}
}
// internal initialization for root
void watchman_root::init() {
// This just opens and releases the dir. If an exception is thrown
// it will bubble up.
w_dir_open(root_path.c_str());
// We can't use shared_from_this() here as we are being called from
// inside the constructor and we'd hit a bad_weak_ptr exception.
inner.init(this);
time(&inner.last_cmd_timestamp);
}
void watchman_root::Inner::init(w_root_t* root) {
view_ = WatcherRegistry::initWatcher(root);
}
watchman_root::watchman_root(const w_string& root_path)
: root_path(root_path),
case_sensitive(watchman::getCaseSensitivityForPath(root_path.c_str())),
cookies(root_path),
config_file(load_root_config(root_path.c_str())),
config(config_file),
trigger_settle(int(config.getInt("settle", DEFAULT_SETTLE_PERIOD))),
gc_interval(
int(config.getInt("gc_interval_seconds", DEFAULT_GC_INTERVAL))),
gc_age(int(config.getInt("gc_age_seconds", DEFAULT_GC_AGE))),
idle_reap_age(
int(config.getInt("idle_reap_age_seconds", DEFAULT_REAP_AGE))),
unilateralResponses(std::make_shared<watchman::Publisher>()) {
++live_roots;
applyIgnoreConfiguration();
applyIgnoreVCSConfiguration();
init();
}
watchman_root::~watchman_root() {
w_log(W_LOG_DBG, "root: final ref on %s\n", root_path.c_str());
--live_roots;
}
/* vim:ts=2:sw=2:et:
*/
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