Limit log history views

For long running histories, (a) abort if the user closed the view and
(b) abort if the view gets too long

core/commands/line_history.py

@@ -1,12 +1,14 @@
 from functools import partial
 from itertools import chain
 import os
+import random
 
 import sublime
 from sublime_plugin import TextCommand, WindowCommand
 
 from . import diff
 from . import inline_diff
+from .log_graph import busy_indicator
 from .navigate import GsNavigate
 from ..fns import filter_, pairwise
 from ..git_command import GitCommand
@@ -263,8 +265,15 @@ def render():
                 ]
                 + [commit]
             )
-            for line in self.git_streaming(*cmd):
-                replace_view_content(view, line, sublime.Region(view.size()))
+            with busy_indicator(view):
+                for line in self.git_streaming(*cmd):
+                    replace_view_content(view, line, sublime.Region(view.size()))
+                    if random.random() < 0.001:
+                        if not view.is_valid():
+                            break
+                        if view.size() > 500_000:
+                            replace_view_content(view, "\n...\n", sublime.Region(view.size()))
+                            break
 
         run_on_new_thread(render)
 

core/commands/log_graph.py

@@ -1,4 +1,5 @@
 from collections import deque
+from contextlib import contextmanager
 from dataclasses import dataclass
 from functools import lru_cache, partial
 from itertools import chain, count, groupby, islice
@@ -636,10 +637,19 @@ class BusyIndicatorConfig:
     indicators: Sequence[str]
 
 
-STATUS_BUSY_KEY = "gitsavvy-x-repo-status"
+STATUS_BUSY_KEY = "gitsavvy-x-is-busy"
 running_busy_indicators: Dict[Tuple[sublime.View, str], BusyIndicatorConfig] = {}
 
 
+@contextmanager
+def busy_indicator(view: sublime.View, status_key: str = STATUS_BUSY_KEY, **options):
+    start_busy_indicator(view, status_key, **options)
+    try:
+        yield
+    finally:
+        stop_busy_indicator(view, status_key)
+
+
 def start_busy_indicator(
     view: sublime.View,
     status_key: str = STATUS_BUSY_KEY,
@@ -680,7 +690,7 @@ def _busy_indicator(view: sublime.View, status_key: str, start_time: float) -> N
     else:
         view.erase_status(status_key)
 
-    if elapsed < config.timeout_after:
+    if elapsed < config.timeout_after and view.is_valid():
         sublime.set_timeout(
             lambda: _busy_indicator(view, status_key, start_time),
             config.cycle_time