Merge pull request #26 from cybozu-go/fix#25

[mirror] treat suite "/" as empty & flat.

mirror/config.go

@@ -85,6 +85,11 @@ func (mc *MirrConfig) ReleaseFiles(suite string) []string {
 	if !isFlat(suite) {
 		relpath = path.Join("dists", suite)
 	}
+	// <suite "/"> == <empty relative path ""> + <flat repository indicator "/">
+	//             != <absolute path "/">
+	if suite == "/" {
+		relpath = ""
+	}
 	l = append(l, path.Clean(path.Join(relpath, "Release")))
 	l = append(l, path.Clean(path.Join(relpath, "Release.gpg")))
 	l = append(l, path.Clean(path.Join(relpath, "Release.gz")))

mirror/config_test.go

@@ -183,6 +183,14 @@ func TestMirrorConfig(t *testing.T) {
 		t.Error(`_, ok := m["14.04/InRelease"]; !ok`)
 	}
 
+	m = make(map[string]struct{})
+	for _, p := range mc.ReleaseFiles("/") {
+		m[p] = struct{}{}
+	}
+	if _, ok := m["Release.gz"]; !ok {
+		t.Error(`_, ok := m["Release.gz"]; !ok`)
+	}
+
 	correct = "http://my.local.domain/cybozu/14.04/cybozu_1.0.0_amd64.deb"
 	if mc.Resolve("./14.04/cybozu_1.0.0_amd64.deb").String() != correct {
 		t.Error(`mc.Resolve("14.04/cybozu_1.0.0_amd64.deb").String() != correct`)

mirror/t/mirror.toml

@@ -21,4 +21,4 @@ architectures = ["amd64"]
 
 [mirror.flat]
 url = "http://my.local.domain/cybozu"
-suites = ["12.04/", "14.04/"]
+suites = ["12.04/", "14.04/", "/"]