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cfg.go
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cfg.go
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package git
import (
"fmt"
"log/slog"
"path/filepath"
"strings"
"time"
"github.com/charmbracelet/ssh"
"github.com/knadh/koanf/parsers/toml"
"github.com/knadh/koanf/providers/env"
"github.com/knadh/koanf/providers/file"
"github.com/knadh/koanf/v2"
)
type Repo struct {
ID string `koanf:"id"`
Desc string `koanf:"desc"`
CloneAddr string `koanf:"clone_addr"`
DefaultBranch string `koanf:"default_branch"`
}
var k = koanf.New(".")
type GitCfg struct {
DataDir string `koanf:"data_dir"`
Repos []*Repo `koanf:"repo"`
Url string `koanf:"url"`
Host string `koanf:"host"`
SshPort string `koanf:"ssh_port"`
WebPort string `koanf:"web_port"`
AdminsStr []string `koanf:"admins"`
Admins []ssh.PublicKey `koanf:"admins_pk"`
Theme string `koanf:"theme"`
TimeFormat string `koanf:"time_format"`
Logger *slog.Logger
}
func NewGitCfg(fpath string, logger *slog.Logger) *GitCfg {
fpp, err := filepath.Abs(fpath)
if err != nil {
panic(err)
}
logger.Info("loading configuration file", "fpath", fpp)
if err := k.Load(file.Provider(fpp), toml.Parser()); err != nil {
panic(fmt.Sprintf("error loading config: %v", err))
}
err = k.Load(env.Provider("GITPR_", ".", func(s string) string {
keyword := strings.ToLower(strings.TrimPrefix(s, "GITPR_"))
return keyword
}), nil)
if err != nil {
panic(fmt.Sprintf("could not load environment variables: %v", err))
}
var out GitCfg
err = k.UnmarshalWithConf("", &out, koanf.UnmarshalConf{Tag: "koanf"})
if err != nil {
panic(fmt.Sprintf("could not unmarshal config: %v", err))
}
if len(out.AdminsStr) > 0 {
keys, err := getAuthorizedKeys(out.AdminsStr)
if err == nil {
out.Admins = keys
} else {
panic(fmt.Sprintf("could not parse authorized keys file: %v", err))
}
} else {
logger.Info("no admin specified in config so no one can submit a review!")
}
// make datadir absolute
tmpdir := out.DataDir
if out.DataDir == "" {
tmpdir = "./data"
}
datadir, err := filepath.Abs(tmpdir)
out.DataDir = datadir
if err != nil {
panic(err)
}
if out.Host == "" {
out.Host = "0.0.0.0"
}
if out.SshPort == "" {
out.SshPort = "2222"
}
if out.WebPort == "" {
out.WebPort = "3000"
}
if out.Theme == "" {
out.Theme = "dracula"
}
if out.TimeFormat == "" {
out.TimeFormat = time.RFC3339
}
logger.Info(
"config",
"url", out.Url,
"data_dir", out.DataDir,
"host", out.Host,
"ssh_port", out.SshPort,
"web_port", out.WebPort,
"theme", out.Theme,
"time_format", out.TimeFormat,
)
for _, pubkey := range out.AdminsStr {
logger.Info("admin", "pubkey", pubkey)
}
for _, repo := range out.Repos {
if repo.DefaultBranch == "" {
repo.DefaultBranch = "main"
}
logger.Info(
"repo",
"id", repo.ID,
"desc", repo.Desc,
"clone_addr", repo.CloneAddr,
"default_branch", repo.DefaultBranch,
)
}
out.Logger = logger
return &out
}