daemon: seed repo volume via CopyToContainer (host-path bind bug → empty workspace); web: spawn poll reads fresh session list

daemon/docker_test.go

@@ -44,11 +44,12 @@ type recordedCreate struct {
 type fakeDocker struct {
 	mu sync.Mutex
 
-	calls  []dockerCall
-	images int             // entries served by GET /images/json
-	volume map[string]bool // existing volumes
-	nextID int
-	create []recordedCreate
+	calls    []dockerCall
+	images   int             // entries served by GET /images/json
+	volume   map[string]bool // existing volumes
+	nextID   int
+	create   []recordedCreate
+	archives []int // sizes of accepted CopyToContainer tar streams
 
 	failBuild        bool
 	failBuildHTTP    bool
@@ -57,6 +58,8 @@ type fakeDocker struct {
 	failStop         bool
 	failWait         bool
 	failVolumeCreate bool
+	failArchive      bool
+	archiveHang      bool
 	waitHang         bool
 
 	unknown []string
@@ -241,6 +244,20 @@ func (f *fakeDocker) ServeHTTP(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 		writeJSONNow(w, http.StatusOK, `{"StatusCode":0,"Error":null}`)
+	case call.Method == http.MethodPut && strings.HasSuffix(call.Path, "/archive"):
+		// CopyToContainer: accept the tar stream and record its size.
+		if f.archiveHang {
+			<-r.Context().Done()
+			return
+		}
+		if f.failArchive {
+			writeJSONNow(w, http.StatusInternalServerError, `{"message":"archive failed"}`)
+			return
+		}
+		f.mu.Lock()
+		f.archives = append(f.archives, len(body))
+		f.mu.Unlock()
+		w.WriteHeader(http.StatusOK)
 	case call.Method == http.MethodDelete && strings.HasPrefix(call.Path, "/containers/"):
 		w.WriteHeader(http.StatusNoContent)
 	default:
@@ -273,11 +290,13 @@ func useFakeGit(t *testing.T, mode string) string {
 		"  noisy) printf '%s\\n' \"" + strings.Repeat("x", 600) + "\"; exit 1;;\n" +
 		"  silent) exit 1;;\n" +
 		"esac\n" +
+		"# clone: create a real worktree so seeding (tarDir) has files to copy\n" +
+		"if [ \"$1\" = clone ]; then d=$(eval \"echo \\${$#}\"); mkdir -p \"$d\" && printf 'fake-repo\n' > \"$d/README.md\"; fi\n" +
 		"exit 0\n"
 	if err := os.WriteFile(filepath.Join(dir, "git"), []byte(script), 0o755); err != nil {
 		t.Fatalf("write fake git: %v", err)
 	}
-	t.Setenv("PATH", dir)
+	t.Setenv("PATH", dir+":"+os.Getenv("PATH"))
 	t.Setenv("FAKE_GIT_MODE", mode)
 	return logPath
 }