From f4dfdcea25f541b41c5621b8fba3bdf8b157a032 Mon Sep 17 00:00:00 2001
From: Ted Unangst <tedu@tedunangst.com>
Date: Tue, 24 Jan 2023 19:08:26 -0500
Subject: [PATCH] allow . to match all summaries

---
 docs/changelog.txt |  2 ++
 docs/hfcs.1        |  1 +
 hfcs.go            | 11 +++++++++--
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/docs/changelog.txt b/docs/changelog.txt
index be7076b..aa4ec2d 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -2,6 +2,8 @@ changelog
 
 === next
 
++ Filter to match anything with summary/warning.
+
 + Start collecting quties.
 
 + Fix http signatures for GET requests.
diff --git a/docs/hfcs.1 b/docs/hfcs.1
index 74a94df..5a7af15 100644
--- a/docs/hfcs.1
+++ b/docs/hfcs.1
@@ -51,6 +51,7 @@ fields as well.
 .It Ar text
 Regular expression match against the post
 .Fa content .
+The special value of "." will match any post with a summary only.
 .It Ar is announce
 Is announced (shared).
 .It Ar announce of
diff --git a/hfcs.go b/hfcs.go
index 610cef2..2277b8a 100644
--- a/hfcs.go
+++ b/hfcs.go
@@ -107,7 +107,7 @@ func filtcachefiller(userid int64) (afiltermap, bool) {
 				expflush = filt.Expiration
 			}
 		}
-		if t := filt.Text; t != "" {
+		if t := filt.Text; t != "" && t != "." {
 			wordfront := t[0] != '#'
 			wordtail := true
 			t = "(?i:" + t + ")"
@@ -314,7 +314,7 @@ func matchfilterX(h *Honk, f *Filter) string {
 			rv += " announce"
 		}
 	}
-	if match && f.Text != "" {
+	if match && f.Text != "" && f.Text != "." {
 		match = false
 		re := f.re_text
 		m := re.FindString(h.Precis)
@@ -334,6 +334,13 @@ func matchfilterX(h *Honk, f *Filter) string {
 			rv = m
 		}
 	}
+	if match && f.Text == "." {
+		match = false
+		if h.Precis != "" {
+			match = true
+			rv = h.Precis
+		}
+	}
 	if match {
 		return rv
 	}