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zed: support subject as header in zed_notify_email()

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Some minimal MUAs don't support passing the subjects as cmdline option.
This commit checks if "@SUBJECT@" is missing in ZED_EMAIL_OPTS and then
prepends a subject header to the notification message.
Also set a default for ${subject}.

Reviewed-by: Ahelenia Ziemia<C5><84>ska <nabijaczleweli@nabijaczleweli.xyz>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Signed-off-by: Daniel Hiepler <d-git@coderdu.de>
Closes #13440
This commit is contained in:
heeplr
2022-05-18 19:27:53 +02:00
committed by GitHub
parent 00ac77464e
commit 08b32c6fa9
2 changed files with 17 additions and 3 deletions
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cmd/zed/zed.d/zed.rc
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@@ -29,6 +29,7 @@ ZED_EMAIL_ADDR="root"
# The string @SUBJECT@ will be replaced with the notification subject;
# this should be protected with quotes to prevent word-splitting.
# Email will only be sent if ZED_EMAIL_ADDR is defined.
# If @SUBJECT@ was omited here, a "Subject: ..." header will be added to notification
#
#ZED_EMAIL_OPTS="-s '@SUBJECT@' @ADDRESS@"