Re: Weird tagging issue

[David Bremner <david@tethera.net>]

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Brian May <brian@linuxpenguins.xyz> writes:

> Hmmmm. Maybe the References header is bad. I see a number of emails in
> this thread referencing "pr-wspdigital/bupaoshc/88@bitbucket.org", e.g.:
>
> === cut ===
> References: <pr-wspdigital/bupaoshc/88@bitbucket.org>
>  <prcomment-140582662@bitbucket.org>
>
> References: <pr-wspdigital/bupaoshc/88@bitbucket.org>
>
> References: <pr-wspdigital/bupaoshc/88@bitbucket.org>
>  <pr-wspdigital/bupaoshc/88@bitbucket.org>
> === cut ===
>
> But "pr-wspdigital/bupaoshc/88@bitbucket.org" doesn't have any
> information uniquely identifying a particular message for PR #88, and
> furthermore I don't see any message ids that look like this in this
> thread.
>
> I could imagine bad references might be confusing notmuch?


If you still have the messages, maybe you could try the attached script
to visualize the reference structure.

I think dkg and I agreed a few years ago we should ship is as one of our
devel tools, but then I didn't follow through. So I'd be interested in
knowing if it works for you.


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#!/bin/bash

# This script can be used like
# NOTMUCH_CONFIG=test/tmp.T580-thread-search/notmuch-config \
#    devel/draw-thread thread:0000000000000002 | dot -Tpdf > thread2.pdf

# In addition to notmuch, you will need the following tools installed
# - graphviz
# - formail (part of procmail)

threadid=$1

declare -a edges

declare -a dest
echo "digraph \"$threadid\" {"
for messageid in $(notmuch search --output=messages $threadid); do
    echo "subgraph \"cluster_$messageid\" {"
    printf "\"%s\" [shape=folder];\n" ${messageid#id:}
    for file in $(notmuch search --output=files $messageid); do
        node=$(basename $file)
        printf "\"%s\" [shape=note];\n" $node

        mapfile -t dest < <(formail -x references < $file | tr '<>,' '"" ')
        edge="\"$node\" -> { ${dest[*]} }"
        edges+=($edge)
    done
    echo "}"
done

for edge in "${edges[*]}"; do
    echo $edge
done

echo "}"