There is a code path in public-inbox that will (under certain conditions) set the expected list-id as derived from the recipient mail address (so in our case depot@tvl.su -> `List-ID: depot.tvl.su`). However, when/how this triggers seems to be particular to the code path taken based on certain config settings. I couldn't fully figure it out, and to be honest I don't really know Perl, and I don't think this warrants a super-high-effort investigation. For that reason, this patches the appropriate line in public-inbox-watch to always trigger this code path regardless of what is going on with the email. I tested this locally with a public-inbox config that does *not* have a `listid` setting set, as that just adds an additional filter which would be a no-op in this case. All emails are ingested correctly with List-ID set. There might be a better place to put this in (e.g. right before the actual mail ingestion), if a Perl expert is interested in figuring this out and considers it relevant, feel free to send a CL. Note that this will not update old emails. Probably. Change-Id: I4a8a42653aa2f408a85c9301a1ee3545f0e74eed Reviewed-on: https://cl.tvl.fyi/c/depot/+/7946 Tested-by: BuildkiteCI Autosubmit: tazjin <tazjin@tvl.su> Reviewed-by: flokli <flokli@flokli.de>
		
			
				
	
	
		
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| From 1719e904acf19499209b16a8a008f55390a7b5e2 Mon Sep 17 00:00:00 2001
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| From: Vincent Ambo <mail@tazj.in>
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| Date: Sun, 29 Jan 2023 13:36:12 +0300
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| Subject: [PATCH] feat: always set the List-ID header even in -watch
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| 
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| Without bothering to figure out exactly how this code path is usually
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| triggered, always set a list ID when ingesting new emails in
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| public-inbox-watch.
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| ---
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|  lib/PublicInbox/Watch.pm | 4 ++++
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|  1 file changed, 4 insertions(+)
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| 
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| diff --git a/lib/PublicInbox/Watch.pm b/lib/PublicInbox/Watch.pm
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| index 3f6fe21..147971c 100644
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| --- a/lib/PublicInbox/Watch.pm
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| +++ b/lib/PublicInbox/Watch.pm
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| @@ -188,6 +188,10 @@ sub _remove_spam {
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|  sub import_eml ($$$) {
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|  	my ($self, $ibx, $eml) = @_;
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|  
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| +        # TVL-specific: always set the list-id header, regardless of
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| +        # any of the other logic below.
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| +        PublicInbox::MDA->set_list_headers($eml, $ibx);
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| +
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|  	# any header match means it's eligible for the inbox:
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|  	if (my $watch_hdrs = $ibx->{-watchheaders}) {
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|  		my $ok;
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| -- 
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| 2.39.0
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| 
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