Add cataloger for Swift Package Manager. (#1919)

Signed-off-by: Tristan Farkas <Tristan.Farkas@axis.com>

test/integration/catalog_packages_cases_test.go

@@ -356,6 +356,18 @@ var dirOnlyTestCases = []testCase{
 			"unicode_util_compat": "0.7.0",
 		},
 	},
+	{
+		name:        "find swift package manager packages",
+		pkgType:     pkg.SwiftPkg,
+		pkgLanguage: pkg.Swift,
+		pkgInfo: map[string]string{
+			"swift-algorithms":       "1.0.0",
+			"swift-async-algorithms": "0.1.0",
+			"swift-atomics":          "1.1.0",
+			"swift-collections":      "1.0.4",
+			"swift-numerics":         "1.0.2",
+		},
+	},
 }
 
 var commonTestCases = []testCase{

test/integration/catalog_packages_test.go

@@ -95,6 +95,7 @@ func TestPkgCoverageImage(t *testing.T) {
 	definedPkgs.Remove(string(pkg.HexPkg))
 	definedPkgs.Remove(string(pkg.LinuxKernelPkg))
 	definedPkgs.Remove(string(pkg.LinuxKernelModulePkg))
+	definedPkgs.Remove(string(pkg.SwiftPkg))
 
 	var cases []testCase
 	cases = append(cases, commonTestCases...)

test/integration/test-fixtures/image-pkg-coverage/swift/Package.resolved

@@ -0,0 +1,50 @@
+{
+  "pins" : [
+    {
+      "identity" : "swift-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-algorithms.git",
+      "state" : {
+        "revision" : "b14b7f4c528c942f121c8b860b9410b2bf57825e",
+        "version" : "1.0.0"
+      }
+    },
+    {
+      "identity" : "swift-async-algorithms",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-async-algorithms.git",
+      "state" : {
+        "revision" : "9cfed92b026c524674ed869a4ff2dcfdeedf8a2a",
+        "version" : "0.1.0"
+      }
+    },
+    {
+      "identity" : "swift-atomics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-atomics.git",
+      "state" : {
+        "revision" : "6c89474e62719ddcc1e9614989fff2f68208fe10",
+        "version" : "1.1.0"
+      }
+    },
+    {
+      "identity" : "swift-collections",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-collections.git",
+      "state" : {
+        "revision" : "937e904258d22af6e447a0b72c0bc67583ef64a2",
+        "version" : "1.0.4"
+      }
+    },
+    {
+      "identity" : "swift-numerics",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-numerics",
+      "state" : {
+        "revision" : "0a5bc04095a675662cf24757cc0640aa2204253b",
+        "version" : "1.0.2"
+      }
+    }
+  ],
+  "version" : 2
+}