release: 0.6.0: Delivery detail page, DNS badge, machine metrics, wide layout

A page per delivery (`/deliveries/{id}`), reached from the *Details* link on
Added:
  - A page per delivery (`/deliveries/{id}`), reached from the *Details* link on
  - A **DNS** badge in the domain list, one per row, carrying the same
  - Machine metrics on the status page: a **Machine** card reporting the
  - An index of the current page's own sections in the navigation column, for the
Changed:
  - Every panel page is laid out in one column of the same width, so moving
  - The mark's small-size variant — the tab icon and the `SP` initials it
  - The stamp's `SELF-HOSTED SMTP RELAY` line is set at 11.5/0.15 instead of
  - The delivery log lists what identifies a message and nothing else: time,
  - Subjects are decoded for display as well as on the way in, so the rows the
  … (4 more in CHANGELOG)

Full detail: CHANGELOG.md (0.6.0).

internal/milter/milter_test.go

@@ -3,7 +3,6 @@ package milter
 import (
 	"errors"
 	"net"
-	"strings"
 	"testing"
 	"time"
 
@@ -115,30 +114,15 @@ func TestSessionRecordsRowPerRecipient(t *testing.T) {
 }
 
 // A subject in any non-ASCII alphabet reaches the milter as RFC 2047
-// encoded-words; the journal stores the text, not the encoding.
+// encoded-words; the journal stores the text, not the encoding. The decoding
+// itself is mailhdr's; what this checks is that Header runs it.
 func TestHeaderDecodesEncodedSubject(t *testing.T) {
-	long := strings.Repeat("я", subjectMaxRunes+10)
-
-	for _, tc := range []struct {
-		name, raw, want string
-	}{
-		{"plain", "Hello there", "Hello there"},
-		{"utf8 q", "=?utf-8?Q?=D0=9F=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA=D0=B0?=", "Проверка"},
-		{"utf8 b, folded across two words", "=?utf-8?B?0J/RgNC40LLQtdGC?=\r\n =?utf-8?B?INC80LjRgA==?=", "Привет мир"},
-		// No decoder for the legacy single-byte charsets: keep the header as
-		// sent rather than losing the subject entirely.
-		{"unknown charset", "=?windows-1251?B?z/Do4uXy?=", "=?windows-1251?B?z/Do4uXy?="},
-		{"too long", long, strings.Repeat("я", subjectMaxRunes) + "…"},
-	} {
-		t.Run(tc.name, func(t *testing.T) {
-			s := &session{rec: &fakeRecorder{}}
-			if _, err := s.Header("Subject", tc.raw, mods(nil)); err != nil {
-				t.Fatalf("Header: %v", err)
-			}
-			if s.subject != tc.want {
-				t.Fatalf("subject = %q, want %q", s.subject, tc.want)
-			}
-		})
+	s := &session{rec: &fakeRecorder{}}
+	if _, err := s.Header("Subject", "=?utf-8?Q?=D0=9F=D1=80=D0=BE=D0=B2=D0=B5=D1=80=D0=BA=D0=B0?=", mods(nil)); err != nil {
+		t.Fatalf("Header: %v", err)
+	}
+	if s.subject != "Проверка" {
+		t.Fatalf("subject = %q, want %q", s.subject, "Проверка")
 	}
 }