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niveum/.bin/mail-current-query-find-part-by-type

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#! /bin/sh
# usage: mail-current-query-find-part-by-type TYPE
set -efu
type=$1
query=$(mail-current-query)
result=$(notmuch show --entire-thread=false --format=json "$query")
part_id=$(printf %s "$result" | jq --arg type "$type" '
#flatten|map(select(.!=null))[0].body[0] |
#
#if .["content-type"] == $type then
# .id
#elif .["content-type"] | test("^multipart/") then
# .content|map(select(.["content-type"]==$type))[0].id
#else
# null
#end
[
recurse |
select(type == "object") |
{ id, type: .["content-type"] } |
select(.id != null and .type != null)
] |
map(select(.type == $type))[0].id
')
if test "$part_id" = null; then
printf 'error: could not find part with type %s\n' \
"$type" \
>&2
exit 1
fi
exec notmuch show --part="$part_id" "$query"