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// SPDX-FileCopyrightText: © 2019 Grégoire Duchêne <gduchene@awhk.org>
// SPDX-License-Identifier: ISC
//go:build !aws
package main
import (
"context"
"encoding/json"
"flag"
"log"
"net/http"
"os"
"os/signal"
"regexp"
"strings"
"syscall"
"time"
"go.awhk.org/core"
"go.awhk.org/go-import-redirect/pkg/redirector"
)
var (
addr = flag.String("addr", "localhost:8080", "address to listen on")
cfg = flag.String("c", "", "path to a configuration file")
from = flag.String("from", "", "package prefix to remove")
to = flag.String("to", "", "repository prefix to add")
vcs = flag.String("vcs", "git", "version control system to signal")
)
func main() {
flag.Parse()
done := make(chan os.Signal, 1)
signal.Notify(done, os.Interrupt, syscall.SIGTERM)
h := &redirector.Redirector{Template: redirector.DefaultTemplate}
if *cfg != "" {
if err := json.NewDecoder(core.Must(os.Open(*cfg))).Decode(&h.Transformers); err != nil {
log.Fatalln(err)
}
} else {
h.Transformers = append(h.Transformers, redirector.Transformer{
Pattern: &redirector.Pattern{regexp.MustCompile(strings.ReplaceAll(*from, `\\`, `\`))},
Replacement: *to,
VCS: *vcs,
})
}
srv := http.Server{Handler: h}
go func() {
if err := srv.Serve(core.Must(core.Listen(*addr))); err != nil && err != http.ErrServerClosed {
log.Fatalln("server.Serve:", err)
}
}()
<-done
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
if err := srv.Shutdown(ctx); err != nil && err != http.ErrServerClosed {
log.Fatalln("server.Shutdown:", err)
}
}
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