Re: [PATCH v6] lockfile: add PID file for debugging stale locks

> On Thu, Jan 22, 2026 at 07:23:35PM +0000, Paulo Casaretto via GitGitGadget wrote:
>> diff --git a/t/t0031-lockfile-pid.sh b/t/t0031-lockfile-pid.sh
>> new file mode 100755
>> index 0000000000..8ef87addf5
>> --- /dev/null
>> +++ b/t/t0031-lockfile-pid.sh
>> @@ -0,0 +1,105 @@
>> +#!/bin/sh
>> +
>> +test_description='lock file PID info tests
>> +
>> +Tests for PID info file alongside lock files.
>> +The feature is opt-in via core.lockfilePid config setting (boolean).
>> +'
>> +
>> +. ./test-lib.sh
>> +
>> +test_expect_success 'stale lock detected when PID is not running' '
>> +	git init repo &&
>> +	(
>> +		cd repo &&
>> +		touch .git/index.lock &&
>> +		printf "pid 99999" >.git/index~pid.lock &&
>> +		test_must_fail git -c core.lockfilePid=true add . 2>err &&
>> +		test_grep "process 99999, which is no longer running" err &&
>> +		test_grep "appears to be stale" err
>> +	)
>> +'
>> +
>> +test_expect_success 'PID info not shown by default' '
>> +	git init repo2 &&
>
> Nit, not really worth addressing on its own: you could avoid the
> numbering if you used `test_when_finished rm -rf repo`.
>
> Other than that I don't have any complaints from the ref side anymore,
> and the code seems sensible to me. Thanks!