mirror of
https://codeberg.org/scip/gfn.git
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Thomas von Dein
186c95076e
- fixed issue#1: break endless loop for non-codes - added config file support - added logo - added unit tests - added ci test pipeline - added issue templates - added binary release builder - enhanced documentation - made the number of columns flexible based on word size
108 lines
2.3 KiB
Go
108 lines
2.3 KiB
Go
/*
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Copyright © 2024 Thomas von Dein
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package main
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import (
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"fmt"
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"io"
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"os"
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"runtime/debug"
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"log/slog"
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"github.com/tlinden/yadu"
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)
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func main() {
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os.Exit(Main(os.Stdout))
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}
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func TMain() int {
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return Main(os.Stdout)
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}
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func Main(output io.Writer) int {
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// parse config file and command line parameters, if any
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conf, err := InitConfig(output)
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if err != nil {
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return Die(err)
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}
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if conf.Showversion {
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fmt.Fprintf(output, "This is gfn version %s\n", VERSION)
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return 0
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}
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// enable debugging, if needed. We only use log/slog for
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// debugging, so there's no need to configure it outside debugging
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if conf.Debug {
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logLevel := &slog.LevelVar{}
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// we're using a more verbose logger in debug mode
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buildInfo, _ := debug.ReadBuildInfo()
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opts := &yadu.Options{
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Level: logLevel,
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AddSource: true,
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}
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logLevel.Set(slog.LevelDebug)
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handler := yadu.NewHandler(output, opts)
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debuglogger := slog.New(handler).With(
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slog.Group("program_info",
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slog.Int("pid", os.Getpid()),
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slog.String("go_version", buildInfo.GoVersion),
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),
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)
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slog.SetDefault(debuglogger)
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}
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// just show what we have
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if conf.Listshortcuts {
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ListTemplates(conf, output)
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return 0
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}
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// code argument is mandatory
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if len(conf.Code) == 0 {
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fmt.Fprintln(output, Usage)
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return 1
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}
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// check if we can use a template, otherwise consider the argument
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// to be FN code
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if Exists(conf.Templates, conf.Code) {
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slog.Debug("Argument resolves to template code",
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"name", conf.Code, "code", conf.Templates[conf.Code])
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conf.Code = conf.Templates[conf.Code]
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}
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// all prepared, run baby run
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names, err := Generate(conf)
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if err != nil {
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return Die(err)
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}
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if err = PrintColumns(conf, names, output); err != nil {
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return Die(err)
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}
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return 0
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}
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