235 lines
6.7 KiB
Go
235 lines
6.7 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"regexp"
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"strconv"
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"strings"
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)
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type Remote struct {
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Name string `json:"name"`
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URL string `json:"url"`
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}
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type RepoConfig struct {
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Name string `json:"name"`
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RepoPath string `json:"repo_path"`
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Branch string `json:"branch"`
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Remotes []Remote `json:"remotes"`
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Mode string `json:"mode"`
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Interval int `json:"interval"`
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LogFile string `json:"log_file"`
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AuthMethod string `json:"auth_method"`
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RetryCount int `json:"retry_count"`
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RetryInterval int `json:"retry_interval"`
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ConflictStrategy string `json:"conflict_strategy"`
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PushStrategy string `json:"push_strategy"`
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AutoCommit bool `json:"auto_commit"`
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AutoSync bool `json:"auto_sync"`
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Cron string `json:"cron"`
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}
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var nameRe = regexp.MustCompile(`^[A-Za-z0-9_\-]+$`)
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// normalizeWinPath 把 Git Bash 风格路径 /c/foo/bar 转成 Windows 的 C:/foo/bar，
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// 兼容旧脚本配置里存放的 bash 风格路径
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func normalizeWinPath(p string) string {
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p = strings.ReplaceAll(strings.TrimSpace(p), "\\", "/")
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if len(p) >= 3 && p[0] == '/' && p[2] == '/' {
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d := p[1]
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if (d >= 'a' && d <= 'z') || (d >= 'A' && d <= 'Z') {
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return strings.ToUpper(string(d)) + ":/" + p[3:]
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}
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}
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return p
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}
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func unquote(s string) string {
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s = strings.TrimSpace(s)
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if len(s) >= 2 {
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if (s[0] == '"' && s[len(s)-1] == '"') || (s[0] == '\'' && s[len(s)-1] == '\'') {
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return s[1 : len(s)-1]
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}
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}
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return s
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}
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func orDefault(v, def string) string {
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v = strings.TrimSpace(v)
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if v == "" {
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return def
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}
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return v
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}
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func atoiOr(v string, def int) int {
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n, err := strconv.Atoi(strings.TrimSpace(v))
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if err != nil {
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return def
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}
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return n
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}
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func parseConfFile(path string) (map[string]string, error) {
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data, err := os.ReadFile(path)
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if err != nil {
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return nil, err
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}
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m := map[string]string{}
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for _, line := range strings.Split(string(data), "\n") {
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line = strings.TrimSpace(line)
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if line == "" || strings.HasPrefix(line, "#") {
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continue
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}
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k, v, ok := strings.Cut(line, "=")
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if !ok {
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continue
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}
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m[strings.TrimSpace(k)] = unquote(v)
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}
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return m, nil
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}
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func loadRepoConfig(dir, name string) (*RepoConfig, error) {
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m, err := parseConfFile(filepath.Join(dir, name+".conf"))
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if err != nil {
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return nil, err
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}
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c := &RepoConfig{Name: name}
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c.RepoPath = normalizeWinPath(m["REPO_PATH"])
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c.Branch = orDefault(m["BRANCH"], "main")
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c.Mode = orDefault(m["MODE"], "both")
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c.Interval = atoiOr(m["INTERVAL"], 60)
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c.LogFile = normalizeWinPath(m["LOG_FILE"])
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c.AuthMethod = orDefault(m["AUTH_METHOD"], "ssh")
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c.RetryCount = atoiOr(m["RETRY_COUNT"], 0)
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c.RetryInterval = atoiOr(m["RETRY_INTERVAL"], 0)
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c.ConflictStrategy = orDefault(m["CONFLICT_STRATEGY"], "merge")
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c.PushStrategy = orDefault(m["PUSH_STRATEGY"], "manual")
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c.AutoCommit = strings.EqualFold(m["AUTO_COMMIT"], "1") || strings.EqualFold(m["AUTO_COMMIT"], "true")
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// 自动同步默认开启；仅在显式配置 0 / false 时关闭（关闭后不再自动触发，但手动同步仍可用）
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c.AutoSync = !(strings.EqualFold(m["AUTO_SYNC"], "0") || strings.EqualFold(m["AUTO_SYNC"], "false"))
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c.Cron = strings.TrimSpace(m["CRON"])
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if remotes := strings.TrimSpace(m["REMOTES"]); remotes != "" {
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for _, pair := range strings.Split(remotes, ",") {
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pair = strings.TrimSpace(pair)
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if pair == "" {
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continue
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}
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n, u, ok := strings.Cut(pair, "=")
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if !ok {
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continue
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}
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c.Remotes = append(c.Remotes, Remote{Name: strings.TrimSpace(n), URL: strings.TrimSpace(u)})
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}
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}
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// 兼容旧版单远程格式：REMOTE_NAME + REMOTE_URL
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if len(c.Remotes) == 0 && m["REMOTE_NAME"] != "" && m["REMOTE_URL"] != "" {
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c.Remotes = append(c.Remotes, Remote{Name: m["REMOTE_NAME"], URL: m["REMOTE_URL"]})
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}
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return c, nil
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}
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func q(s string) string { return "\"" + s + "\"" }
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func saveRepoConfig(dir string, c *RepoConfig) error {
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var b strings.Builder
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fmt.Fprintf(&b, "# Git 自动同步配置 - %s\n", c.Name)
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fmt.Fprintf(&b, "REPO_PATH=%s\n", q(c.RepoPath))
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fmt.Fprintf(&b, "BRANCH=%s\n", q(c.Branch))
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pairs := make([]string, len(c.Remotes))
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for i, r := range c.Remotes {
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pairs[i] = r.Name + "=" + r.URL
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}
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fmt.Fprintf(&b, "REMOTES=%s\n", q(strings.Join(pairs, ",")))
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fmt.Fprintf(&b, "MODE=%s\n", q(c.Mode))
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fmt.Fprintf(&b, "INTERVAL=%s\n", q(strconv.Itoa(c.Interval)))
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fmt.Fprintf(&b, "LOG_FILE=%s\n", q(c.LogFile))
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fmt.Fprintf(&b, "AUTH_METHOD=%s\n", q(c.AuthMethod))
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fmt.Fprintf(&b, "RETRY_COUNT=%s\n", q(strconv.Itoa(c.RetryCount)))
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fmt.Fprintf(&b, "RETRY_INTERVAL=%s\n", q(strconv.Itoa(c.RetryInterval)))
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fmt.Fprintf(&b, "CONFLICT_STRATEGY=%s\n", q(c.ConflictStrategy))
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fmt.Fprintf(&b, "PUSH_STRATEGY=%s\n", q(c.PushStrategy))
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ac := "0"
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if c.AutoCommit {
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ac = "1"
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}
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fmt.Fprintf(&b, "AUTO_COMMIT=%s\n", q(ac))
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as := "0"
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if c.AutoSync {
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as = "1"
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}
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fmt.Fprintf(&b, "AUTO_SYNC=%s\n", q(as))
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fmt.Fprintf(&b, "CRON=%s\n", q(c.Cron))
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return os.WriteFile(filepath.Join(dir, c.Name+".conf"), []byte(b.String()), 0o644)
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}
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func validateRepoConfig(cfgDir string, c *RepoConfig, isCreate bool) error {
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if !nameRe.MatchString(c.Name) {
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return fmt.Errorf("配置名只能包含字母、数字、下划线和连字符")
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}
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if isCreate {
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if _, err := os.Stat(filepath.Join(cfgDir, c.Name+".conf")); err == nil {
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return fmt.Errorf("配置 %q 已存在", c.Name)
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}
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}
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p := normalizeWinPath(c.RepoPath)
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if !isRepo(p) {
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return fmt.Errorf("仓库路径无效或不是 Git 仓库: %s", c.RepoPath)
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}
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c.RepoPath = p
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c.Branch = strings.TrimSpace(c.Branch)
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if c.Branch == "" {
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c.Branch = "main"
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}
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if len(c.Remotes) == 0 {
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return fmt.Errorf("至少需要一个远程仓库（格式：名称=URL）")
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}
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for _, r := range c.Remotes {
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if strings.TrimSpace(r.Name) == "" || strings.TrimSpace(r.URL) == "" {
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return fmt.Errorf("远程配置格式应为 名称=URL")
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}
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}
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switch c.Mode {
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case "push", "pull", "both":
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default:
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return fmt.Errorf("操作模式必须是 push/pull/both")
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}
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switch c.AuthMethod {
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case "ssh", "https":
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default:
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return fmt.Errorf("认证方式必须是 ssh/https")
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}
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switch c.ConflictStrategy {
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case "merge", "rebase", "abort":
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default:
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return fmt.Errorf("冲突策略必须是 merge/rebase/abort")
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}
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switch c.PushStrategy {
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case "manual", "rebase", "force":
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default:
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return fmt.Errorf("推送策略必须是 manual/rebase/force")
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}
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if c.Interval < 5 {
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c.Interval = 60
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}
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if c.RetryCount < 0 {
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c.RetryCount = 0
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}
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if c.RetryInterval < 0 {
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c.RetryInterval = 0
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}
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if c.AuthMethod != "https" {
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c.RetryCount, c.RetryInterval = 0, 0
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}
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if strings.TrimSpace(c.Cron) != "" {
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if _, err := parseCron(c.Cron); err != nil {
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return fmt.Errorf("cron 表达式无效: %v", err)
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}
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}
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return nil
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}
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