ugit/cmd/ugitd/args.go

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package main
import (
"flag"
"fmt"
"strings"
"github.com/peterbourgon/ff/v3"
"github.com/peterbourgon/ff/v3/ffyaml"
)
type cliArgs struct {
Debug bool
RepoDir string
SSH sshArgs
HTTP httpArgs
Meta metaArgs
Profile profileArgs
}
type sshArgs struct {
AuthorizedKeys string
CloneURL string
Port int
HostKey string
}
type httpArgs struct {
CloneURL string
Port int
}
type metaArgs struct {
Title string
Description string
}
type profileArgs struct {
Username string
Email string
Links []profileLink
}
type profileLink struct {
Name string
URL string
}
func parseArgs(args []string) (c cliArgs, e error) {
fs := flag.NewFlagSet("ugitd", flag.ContinueOnError)
fs.String("config", "ugit.yaml", "Path to config file")
c = cliArgs{
RepoDir: ".ugit",
SSH: sshArgs{
AuthorizedKeys: ".ssh/authorized_keys",
CloneURL: "ssh://localhost:8448",
Port: 8448,
HostKey: ".ssh/ugit_ed25519",
},
HTTP: httpArgs{
CloneURL: "http://localhost:8449",
Port: 8449,
},
Meta: metaArgs{
Title: "ugit",
Description: "Minimal git server",
},
}
fs.BoolVar(&c.Debug, "debug", c.Debug, "Debug logging")
fs.StringVar(&c.RepoDir, "repo-dir", c.RepoDir, "Path to directory containing repositories")
fs.StringVar(&c.SSH.AuthorizedKeys, "ssh.authorized-keys", c.SSH.AuthorizedKeys, "Path to authorized_keys")
fs.StringVar(&c.SSH.CloneURL, "ssh.clone-url", c.SSH.CloneURL, "SSH clone URL base")
fs.IntVar(&c.SSH.Port, "ssh.port", c.SSH.Port, "SSH port")
fs.StringVar(&c.SSH.HostKey, "ssh.host-key", c.SSH.HostKey, "SSH host key (created if it doesn't exist)")
fs.StringVar(&c.HTTP.CloneURL, "http.clone-url", c.HTTP.CloneURL, "HTTP clone URL base")
fs.IntVar(&c.HTTP.Port, "http.port", c.HTTP.Port, "HTTP port")
fs.StringVar(&c.Meta.Title, "meta.title", c.Meta.Title, "App title")
fs.StringVar(&c.Meta.Description, "meta.description", c.Meta.Description, "App description")
fs.StringVar(&c.Profile.Username, "profile.username", c.Profile.Username, "Username for index page")
fs.StringVar(&c.Profile.Email, "profile.email", c.Profile.Email, "Email for index page")
fs.Func("profile.links", "Link(s) for index page", func(s string) error {
parts := strings.SplitN(s, ",", 2)
if len(parts) != 2 {
return fmt.Errorf("invalid profile link %q", s)
}
c.Profile.Links = append(c.Profile.Links, profileLink{
Name: parts[0],
URL: parts[1],
})
return nil
})
return c, ff.Parse(fs, args,
ff.WithEnvVarPrefix("UGIT"),
ff.WithConfigFileFlag("config"),
ff.WithAllowMissingConfigFile(true),
ff.WithConfigFileParser(ffyaml.Parser),
)
}