From 9dc28032201f5dd8bd3e446d9c4230ae5149ab47 Mon Sep 17 00:00:00 2001
From: Robin Jarry <robin@jarry.cc>
Date: Sun, 20 Feb 2022 23:37:34 +0100
Subject: [PATCH] filters: restore plaintext awk script

This script is referenced by some users configuration. Restore it to
avoid breaking existing setups.

Fixes: bca93cd91536 ("filters: add a more complete plaintext filter")
Signed-off-by: Robin Jarry <robin@jarry.cc>
---
 Makefile          |  1 +
 filters/plaintext | 16 ++++++++++++++++
 2 files changed, 17 insertions(+)
 create mode 100755 filters/plaintext

diff --git a/Makefile b/Makefile
index 58e51b2..58ffc16 100644
--- a/Makefile
+++ b/Makefile
@@ -92,6 +92,7 @@ install: $(DOCS) aerc
 	install -m755 filters/colorize $(DESTDIR)$(SHAREDIR)/filters/colorize
 	install -m755 filters/hldiff $(DESTDIR)$(SHAREDIR)/filters/hldiff
 	install -m755 filters/html $(DESTDIR)$(SHAREDIR)/filters/html
+	install -m755 filters/plaintext $(DESTDIR)$(SHAREDIR)/filters/plaintext
 	install -m644 templates/new_message $(DESTDIR)$(SHAREDIR)/templates/new_message
 	install -m644 templates/quoted_reply $(DESTDIR)$(SHAREDIR)/templates/quoted_reply
 	install -m644 templates/forward_as_body $(DESTDIR)$(SHAREDIR)/templates/forward_as_body
diff --git a/filters/plaintext b/filters/plaintext
new file mode 100755
index 0000000..cfaa170
--- /dev/null
+++ b/filters/plaintext
@@ -0,0 +1,16 @@
+# vim: set ft=awk :
+BEGIN {
+	dim = "\x1B[2m"
+	cyan = "\x1B[36m"
+	reset = "\x1B[0m"
+}
+{
+	# Strip carriage returns from line
+	gsub(/\r/, "", $0)
+
+	if ($0 ~ /^On .*, .* wrote:/ || $0 ~ /^>+/) {
+		print dim cyan $0 reset
+	} else {
+		print $0
+	}
+}