1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
#!/bin/bash
#
# Copyright (C) 2026 Danilo M. <danix@danix.xyz>
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# Waybar custom module in continuous mode: prints one JSON line per notmuch
# commit, forever, and waybar redraws on each line. Waybar owns this process,
# which is why there is no daemon to supervise and no interval to tune.
#
# The count is the total across every account. A per account breakdown is the
# drawer's job; see mail-overview/README.md.
set -u
QUERY='tag:unread and tag:inbox'
# notmuch knows where its own database is, so this follows a moved database
# without an edit here.
db="$(notmuch config get database.path 2>/dev/null)/xapian"
emit() {
local n
n="$(notmuch count "$QUERY" 2>/dev/null)"
# notmuch exits 0 even for a malformed query, printing something that is
# not a count, so the exit status is not the test: the output is. Anything
# that is not a plain number is a failure, and a failure must not render
# as "no new mail".
if [[ ! "$n" =~ ^[0-9]+$ ]]; then
printf '{"text":"!","tooltip":"notmuch count failed","class":"error"}\n'
return
fi
if [[ "$n" -eq 0 ]]; then
printf '{"text":"","class":"empty"}\n'
else
printf '{"text":"%s","class":"unread"}\n' "$n"
fi
}
if [[ ! -d "$db" ]]; then
printf '{"text":"!","tooltip":"no notmuch database","class":"error"}\n'
exit 1
fi
emit
while inotifywait -qq -e close_write,moved_to "$db" 2>/dev/null; do
# One commit touches several files. Without this the module redraws three
# or four times per sync with intermediate counts.
sleep 0.3
emit
done
# Falling out of the loop means inotifywait itself failed. Say so rather than
# exiting silently, which looks like an empty inbox.
printf '{"text":"!","tooltip":"mail watcher stopped","class":"error"}\n'
exit 1
|
