diff --git a/hgext/fsmonitor/__init__.py b/hgext/fsmonitor/__init__.py
index 40fb8c165d..f448c5f27f 100644
--- a/hgext/fsmonitor/__init__.py
+++ b/hgext/fsmonitor/__init__.py
@@ -451,15 +451,9 @@ def overridewalk(orig, self, match, subrepos, unknown, ignored, full=True):
         self._ui.log("fsmonitor_status", "", fsmonitor_status="normal")
         if "fsmonitor_details" in getattr(self._ui, "track", ()):
             filelist = [e["name"] for e in result["files"]]
-            limit = 20
-            if len(filelist) <= limit:
-                self._ui.log("fsmonitor_details", "watchman returned %r" % (filelist,))
-            else:
-                self._ui.log(
-                    "fsmonitor_details",
-                    "watchman returned %r and %s more entries"
-                    % (filelist[:limit], len(filelist) - limit),
-                )
+            self._ui.log(
+                "fsmonitor_details", "watchman returned %s" % _reprshort(filelist)
+            )
 
     # for file paths which require normalization and we encounter a case
     # collision, we store our own foldmap
@@ -1004,3 +998,11 @@ def debugrefreshwatchmanclock(ui, repo):
         ui.status(_("updating watchman clock from %r to %r\n") % (ds.getclock(), clock))
         ds.setclock(clock)
         ds.write(tr)
+
+
+def _reprshort(filelist, limit=20):
+    """Like repr(filelist). But truncate it if it is too long"""
+    if len(filelist) <= limit:
+        return repr(filelist)
+    else:
+        return "%r and %s more entries" % (filelist[:limit], len(filelist) - limit)
diff --git a/hgext/fsmonitor/state.py b/hgext/fsmonitor/state.py
index 7b70b7b3f8..963157d866 100644
--- a/hgext/fsmonitor/state.py
+++ b/hgext/fsmonitor/state.py
@@ -111,8 +111,11 @@ class state(object):
             file.close()
 
         if "fsmonitor_details" in getattr(self._ui, "track", ()):
+            from . import _reprshort
+
             self._ui.log(
-                "fsmonitor_details", "clock, notefiles = %r, %r" % (clock, notefiles)
+                "fsmonitor_details",
+                "clock, notefiles = %r, %s" % (clock, _reprshort(notefiles)),
             )
 
         return clock, ignorehash, notefiles
@@ -132,9 +135,11 @@ class state(object):
 
     def set(self, clock, ignorehash, notefiles):
         if "fsmonitor_details" in getattr(self._ui, "track", ()):
+            from . import _reprshort
+
             self._ui.log(
                 "fsmonitor_details",
-                "set clock, notefiles = %r, %r" % (clock, notefiles),
+                "set clock, notefiles = %r, %s" % (clock, _reprshort(notefiles)),
             )
 
         if self._usetreestate:
diff --git a/tests/test-fsmonitor-blackbox.t b/tests/test-fsmonitor-blackbox.t
index 4c8c08fce2..d95cb7aa20 100644
--- a/tests/test-fsmonitor-blackbox.t
+++ b/tests/test-fsmonitor-blackbox.t
@@ -38,3 +38,7 @@
   $ grep returned .hg/blackbox.log
   *> watchman returned ['x'] (glob)
   *> watchman returned [*] and 5 more entries (glob)
+  $ grep 'set clock, notefiles' .hg/blackbox.log
+  *> set clock, notefiles = '*', [] (glob)
+  *> set clock, notefiles = '*', ['x'] (glob)
+  *> set clock, notefiles = '*', [*] and 6 more entries (glob)