更新若干功能

clone.go

@@ -0,0 +1,150 @@
+package main
+
+import (
+	"bufio"
+	"bytes"
+	"context"
+	"errors"
+	"os"
+	"os/exec"
+	"path/filepath"
+	"regexp"
+	"strconv"
+	"strings"
+	"time"
+
+	"view/platform"
+)
+
+// ---------------- 从 Git 克隆并添加项目 ----------------
+
+// repoNameFromURL 从 Git 地址推导目录名（支持 https / ssh / 本地路径形式）。
+func repoNameFromURL(u string) string {
+	s := strings.TrimSpace(u)
+	s = strings.TrimRight(s, "/\\")
+	s = strings.TrimSuffix(s, ".git")
+	if i := strings.LastIndexAny(s, "/:\\"); i >= 0 {
+		s = s[i+1:]
+	}
+	s = regexp.MustCompile(`[<>:"/\\|?*\s]+`).ReplaceAllString(s, "-")
+	return strings.Trim(s, "-.")
+}
+
+var cloneProgressRe = regexp.MustCompile(`(Counting objects|Compressing objects|Receiving objects|Resolving deltas):\s+(\d+)%`)
+
+// cloneProgress 把 git 各阶段百分比映射到 0-98 的总体进度。
+func cloneProgress(line string) (int, bool) {
+	m := cloneProgressRe.FindStringSubmatch(line)
+	if m == nil {
+		return 0, false
+	}
+	pct, _ := strconv.Atoi(m[2])
+	switch m[1] {
+	case "Counting objects":
+		return 2 + pct*3/100, true
+	case "Compressing objects":
+		return 5 + pct*5/100, true
+	case "Receiving objects":
+		return 10 + pct*75/100, true
+	default: // Resolving deltas
+		return 85 + pct*13/100, true
+	}
+}
+
+// scanCRLines 以 \r 或 \n 切行：git 进度用回车原地刷新，普通行以换行结束。
+func scanCRLines(data []byte, atEOF bool) (int, []byte, error) {
+	if atEOF && len(data) == 0 {
+		return 0, nil, nil
+	}
+	if i := bytes.IndexAny(data, "\r\n"); i >= 0 {
+		return i + 1, data[:i], nil
+	}
+	if atEOF {
+		return len(data), data, nil
+	}
+	return 0, nil, nil
+}
+
+// CloneProject 把远程仓库克隆到指定父目录后直接加入项目列表。
+// 进度通过 analysis:progress 事件复用任务条 / 全屏加载展示。
+func (a *App) CloneProject(in CloneInput) (Project, error) {
+	if e := a.ready(); e != nil {
+		return Project{}, e
+	}
+	url := strings.TrimSpace(in.URL)
+	if url == "" {
+		return Project{}, errors.New("URL_REQUIRED")
+	}
+	parent := strings.TrimSpace(in.ParentDir)
+	if st, e := os.Stat(parent); e != nil || !st.IsDir() {
+		return Project{}, errors.New("DIR_NOT_FOUND")
+	}
+	name := strings.TrimSpace(in.Name)
+	if name == "" {
+		name = repoNameFromURL(url)
+	}
+	if name == "" {
+		return Project{}, errors.New("NAME_REQUIRED")
+	}
+	target := filepath.Join(parent, name)
+	if ents, e := os.ReadDir(target); e == nil && len(ents) > 0 {
+		return Project{}, errors.New("TARGET_NOT_EMPTY")
+	}
+
+	taskID := "clone-" + name
+	emitP := func(stage string, progress int, key string) {
+		a.emit("analysis:progress", TaskEvent{TaskID: taskID, Stage: stage, Progress: progress, MessageKey: key, Params: map[string]any{"project": name}})
+	}
+	emitP("cloning", 1, "task.cloning")
+
+	ctx, cancel := context.WithTimeout(context.Background(), 20*time.Minute)
+	defer cancel()
+	cmd := exec.CommandContext(ctx, "git", "clone", "--progress", url, target)
+	// 禁止 git 弹出交互式凭据询问，私有仓库直接快速失败
+	cmd.Env = append(os.Environ(), "GIT_TERMINAL_PROMPT=0", "GCM_INTERACTIVE=never")
+	platform.ConfigureHidden(cmd)
+	stderr, e := cmd.StderrPipe()
+	if e != nil {
+		emitP("error", 100, "task.cloneFailed")
+		return Project{}, e
+	}
+	if e := cmd.Start(); e != nil {
+		emitP("error", 100, "task.cloneFailed")
+		a.store.Log("error", "项目", "Git 克隆失败", url+" | "+e.Error())
+		return Project{}, e
+	}
+	sc := bufio.NewScanner(stderr)
+	sc.Split(scanCRLines)
+	tail := []string{}
+	for sc.Scan() {
+		line := strings.TrimSpace(sc.Text())
+		if line == "" {
+			continue
+		}
+		if len(tail) >= 6 {
+			tail = tail[1:]
+		}
+		tail = append(tail, line)
+		if p, ok := cloneProgress(line); ok {
+			emitP("cloning", p, "task.cloning")
+		}
+	}
+	if e := cmd.Wait(); e != nil {
+		_ = os.RemoveAll(target) // 清掉半成品目录（克隆前已确认为空/不存在）
+		msg := strings.Join(tail, "\n")
+		a.store.Log("error", "项目", "Git 克隆失败", url+" | "+msg)
+		emitP("error", 100, "task.cloneFailed")
+		if msg != "" {
+			return Project{}, errors.New(msg)
+		}
+		return Project{}, e
+	}
+	p, e := a.SaveProject(0, ProjectInput{Name: name, Path: target, Description: in.Description, GroupID: in.GroupID})
+	if e != nil {
+		emitP("error", 100, "task.cloneFailed")
+		return p, e
+	}
+	a.store.Log("info", "项目", "Git 克隆成功", url+" -> "+target)
+	emitP("completed", 100, "task.cloneDone")
+	return p, nil
+}