--- a/hgext/logtoprocess.py Mon Feb 24 17:57:57 2020 +0100
+++ b/hgext/logtoprocess.py Mon Mar 02 14:36:20 2020 -0500
@@ -59,6 +59,13 @@
def log(self, ui, event, msg, opts):
script = self._scripts[event]
+ maxmsg = 100000
+ if len(msg) > maxmsg:
+ # Each env var has a 128KiB limit on linux. msg can be long, in
+ # particular for command event, where it's the full command line.
+ # Prefer truncating the message than raising "Argument list too
+ # long" error.
+ msg = msg[:maxmsg] + b' (truncated)'
env = {
b'EVENT': event,
b'HGPID': os.getpid(),