From: Adam D. Barratt <adam@adam-barratt.org.uk>
Date: Sat, 5 Oct 2019 11:32:33 +0000 (+0100)
Subject: eximconf: put the escapes in the right places in RT_SUBJECT
X-Git-Url: https://git.adam-barratt.org.uk/?p=mirror%2Fdsa-puppet.git;a=commitdiff_plain;h=f8a4023f4c6b927801b0150d34b14a426aafd653

eximconf: put the escapes in the right places in RT_SUBJECT

Signed-off-by: Adam D. Barratt <adam@adam-barratt.org.uk>
---

diff --git a/modules/exim/templates/eximconf.erb b/modules/exim/templates/eximconf.erb
index 589219ed2..1b5a80231 100644
--- a/modules/exim/templates/eximconf.erb
+++ b/modules/exim/templates/eximconf.erb
@@ -305,8 +305,10 @@ GREYLIST_LOCAL_PARTS = ${if match_domain{$domain}{+virtual_domains}\
 <%- if @is_rtmaster -%>
 # This subject rewrite is embedded in double-quoted strings. As such, some of
 # the items need more escaping than usual, otherwise \N becomes simply "N" and
-# the following \n a literal newline.
-RT_SUBJECT = Subject: ${if and {{first_delivery}{match {${sg{$rh_Subject:}{\\N\\n\[\\t \]\+\\N}{ }}}{\\N(?i)(.*?)\[?debian rt\]?[:\t ]*(.*)\\N}}} {$1$2}{$h_subject:}}
+# the following "\[" a literal "[".
+# Note that the lack of space in "Subject:${" is intentional, as the raw Subject
+# header will include the leading space, if present.
+RT_SUBJECT = Subject:${if and {{first_delivery}{match {${sg {$rh_Subject:}{\\n([ \\t])}{ }}}{\\N(?i)(.*?)\\[?debian rt\\]?[:\\t ]*(.*)\\N}}}{$1$2}{$h_subject:}}
 RT_QUEUE_MAP = /srv/rt.debian.org/mail/rt_queue_map
 <%- end -%>