go/gorepod
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Edgaru089 2021-06-13 19:15:21 +08:00
commit 2e881b11ef
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16
config.json Normal file
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{
"__comment__": "What comment? Just go read the code.",
"GitServerPrefix": "https://git.edgaru089.ml",
"GoSourceFile": "https://git.edgaru089.ml/{/path}/src/branch/master{/dir}",
"GoSourceLine": "https://git.edgaru089.ml/{/path}/src/branch/master{/dir}/{file}#L{line}",
"Repos": {
"go/gl02": {
"ImportPath": "edgaru089.ml/go/gl02",
"ShortPath": "go/gl02",
"RepoType": "git",
"RepoPath": "https://git.edgaru089.ml/go/gl02.git"
}
}
}

107
main.go Normal file
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package main
import (
"encoding/json"
"flag"
"fmt"
"html/template"
"log"
"net/http"
"os"
_ "embed"
)
type Repo struct {
ImportPath string // like example.com/package/code
ShortPath string // like package/code
RepoType string // like git or svn
RepoPath string // like https://git.example.com/package/code.git or git@git.example.com:package/code.git
}
type Config struct {
GitServerPrefix string // Like https://github.com or https://git.example.com (without ending slash)
// go-source tag strings. Example:
// GoSourceFile: https://git.example.com/{/path}/src/branch/master{/dir}
// GoSourceLine: https://git.example.com/{/path}/src/branch/master{/dir}/{file}#L{line}
GoSourceFile, GoSourceLine string
Repos map[string]*Repo // mapped by ShortPath, like package/code
}
//go:embed template.html
var httpTemplate string
var (
ConfigFile, TemplateFile string
ListenAddress string
)
func init() {
flag.StringVar(&ConfigFile, "config", "config.json", "Config file")
flag.StringVar(&TemplateFile, "template", "template.html", "template HTML file")
flag.StringVar(&ListenAddress, "listen", "0.0.0.0:32148", "listen address")
}
type Server struct {
config Config
template *template.Template
}
func (s *Server) ServeHTTP(resp http.ResponseWriter, req *http.Request) {
log.Print("request: ", req.URL.Path)
id := req.URL.Path[1:]
if repo, ok := s.config.Repos[id]; ok {
err := s.template.Execute(resp, repo)
if err != nil {
resp.WriteHeader(500)
resp.Write([]byte("Internal Server Error\n\n"))
resp.Write([]byte(fmt.Sprintf("Error: Executing Template: %s, id=%s\n\nRepo=%v", err.Error(), id, repo)))
}
} else {
resp.WriteHeader(404)
}
}
func main() {
var c Config
flag.Parse()
file, err := os.Open(ConfigFile)
if err != nil {
fmt.Fprint(os.Stderr, "cannot open config file: ", err)
os.Exit(1)
}
dec := json.NewDecoder(file)
err = dec.Decode(&c)
if err != nil {
fmt.Fprint(os.Stderr, "error parsing config file:", err)
os.Exit(1)
}
tempbyte, err := os.ReadFile(TemplateFile)
if err != nil {
fmt.Fprint(os.Stderr, "error reading template file:", err)
os.Exit(1)
}
s := &Server{config: c, template: template.New("")}
s.template.Funcs(template.FuncMap{
"config": func() Config {
return c
},
})
_, err = s.template.Parse(string(tempbyte))
if err != nil {
fmt.Fprint(os.Stderr, "error parsing template file:", err)
os.Exit(1)
}
log.Print("listening on ", ListenAddress)
http.ListenAndServe(ListenAddress, s)
}

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template.html Normal file
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<!doctype html>
<html>
<head>
<meta name="go-import" content="{{.ImportPath}} {{.RepoType}} {{.RepoPath}}">
<meta name="go-source" content="{{.ImportPath}} _ {{config.GitServerPrefix -}} / {{- .ShortPath -}} /src/branch/master{/dir} {{config.GitServerPrefix -}} / {{- .ShortPath -}} /src/branch/master{/dir}/{file}#L{line}">
</head>
<body>
go get {{.ImportPath}}
</body>
</html>