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// Copyright (C) 2023-2024 Adam House
//
// This file is part of crore.
//
// crore is free software: you can redistribute it and/or modify it under the
// terms of the GNU General Public License as published by the Free Software
// Foundation, either version 3 of the License, or (at your option) any later
// version.
//
// crore is distributed in the hope that it will be useful, but WITHOUT ANY
// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
// A PARTICULAR PURPOSE. See the GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along with
// crore. If not, see <https://www.gnu.org/licenses/>.
use errors;
use fmt;
use os;
use os::exec;
use shlex;
use strings;
use time;
use config;
use cron;
export fn main() void = {
fmt::println("crore is GPLv3 free software; code is available from https://git.context.town/crore")!;
const conf: config::config = match (config::build()) {
case let c: config::config => yield c;
case let i: int => {
if (i < 0) {
fmt::fatal("invalid command line input");
} else {
fmt::fatalf("invalid config (line {})", i + 1);
};
};
};
let lines = conf.exprs;
if (!conf.no_tab) {
let tab_loc = conf.tab;
let needs_free = false;
if (len(tab_loc) == 0) {
const env_home = os::getenv("HOME");
if (env_home is str) {
tab_loc = strings::concat(
env_home: str, "/.config/crore/tab",
);
needs_free = true;
};
};
if (conf.verbosity > config::verbosity::SILENT) {
fmt::printfln("crore: reading tab at {}", tab_loc)!;
};
append(lines, config::parse_file(tab_loc)...);
if (needs_free) {
free(tab_loc);
};
};
let jobs: []cron::cronjob = [];
for (let i = 0z; i < len(lines); i += 1) {
const item_raw = lines[i];
if (len(item_raw) == 0 || strings::hasprefix(item_raw, '#')) {
continue;
};
match (cron::new(item_raw)) {
case let c: cron::cronjob => {
append(jobs, c);
};
case errors::invalid => {
fmt::fatalf(
"invalid cron expression (line {})",
i + 1
);
};
case shlex::syntaxerr => {
fmt::fatalf(
"invalid sh command (line {})",
i + 1
);
};
};
};
free(lines);
if (len(jobs) == 0) {
fmt::fatal("crore: tab is empty");
};
if (conf.verbosity == config::verbosity::NORMAL) {
for (let i = 0z; i < len(jobs); i += 1) {
cron::print(&jobs[i]);
};
};
if (conf.verbosity > config::verbosity::SILENT) {
fmt::println("crore: tab is good")!;
};
cron::serve(jobs, &conf);
};
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