Bump package tools-version and fix deprecation warnings

Package.swift

@@ -1,4 +1,4 @@
-// swift-tools-version:5.3
+// swift-tools-version:5.6
 
 import PackageDescription
 
@@ -12,31 +12,30 @@ let package = Package(
         .library(name: "ArenaCore", type: .dynamic, targets: ["ArenaCore"])
     ],
     dependencies: [
-        .package(name: "swift-argument-parser",
-                 url: "https://github.com/apple/swift-argument-parser", from: "0.2.0"),
+        .package(url: "https://github.com/apple/swift-argument-parser", from: "0.2.0"),
         .package(url: "https://github.com/finestructure/Parser", from: "0.0.0"),
         .package(url: "https://github.com/JohnSundell/ShellOut.git", from: "2.0.0"),
-        .package(name: "Path.swift",
-                 url: "https://github.com/mxcl/Path.swift.git", from: "1.0.0"),
+        .package(url: "https://github.com/mxcl/Path.swift.git", from: "1.0.0"),
         .package(url: "https://github.com/SwiftPackageIndex/SemanticVersion", from: "0.2.0"),
-        .package(name: "SnapshotTesting",
-                 url: "https://github.com/pointfreeco/swift-snapshot-testing.git", from: "1.7.2"),
+        .package(url: "https://github.com/pointfreeco/swift-snapshot-testing.git", from: "1.7.2"),
     ],
     targets: [
-        .target(
-            name: "ArenaCLI",
-            dependencies: ["ArenaCore"]),
+        .executableTarget(name: "ArenaCLI", dependencies: ["ArenaCore"]),
         .target(
             name: "ArenaCore",
             dependencies: [
                 .product(name: "ArgumentParser", package: "swift-argument-parser"),
                 "Parser",
                 .product(name: "Path", package: "Path.swift"),
                 "SemanticVersion",
-                "ShellOut"]),
+                "ShellOut"]
+        ),
         .testTarget(
             name: "ArenaTests",
-            dependencies: ["ArenaCore", "SnapshotTesting"],
+            dependencies: [
+                "ArenaCore",
+                .product(name: "SnapshotTesting", package: "swift-snapshot-testing")
+            ],
             exclude: ["__Snapshots__"]
         ),
     ]

README.md

@@ -91,7 +91,7 @@ In case you want to fetch a particular revision, range of revisions, or branch,
 
 - `https://github.com/finestructure/[email protected]`
 
-  → `.package(url: "https://github.com/finestructure/Gala", .exact("0.1.0"))`
+  → `.package(url: "https://github.com/finestructure/Gala", exact: "0.1.0")`
 
 - `https://github.com/finestructure/Gala@from:0.1.0`
 
@@ -107,11 +107,11 @@ In case you want to fetch a particular revision, range of revisions, or branch,
 
 - `https://github.com/finestructure/Gala@branch:master` 
 
-  → `.package(url: "https://github.com/finestructure/Gala", .branch("master"))`
+  → `.package(url: "https://github.com/finestructure/Gala", branch: "master")`
 
 - `https://github.com/finestructure/Gala@revision:7235531e92e71176dc31e77d6ff2b128a2602110` 
 
-  → `.package(url: "https://github.com/finestructure/Gala", .revision("7235531e92e71176dc31e77d6ff2b128a2602110"))`
+  → `.package(url: "https://github.com/finestructure/Gala", revision: "7235531e92e71176dc31e77d6ff2b128a2602110")`
 
 Make sure to properly quote the URL if you are using the `..<` range operator. Otherwise your shell will interpret the `<` character as input redirection.
 

Sources/ArenaCore/Dependency.swift

@@ -68,17 +68,17 @@ public struct Dependency: Equatable, Hashable, Codable {
         #endif
         switch requirement {
             case .branch(let b):
-                return #".package(\#(n)url: "\#(url.absoluteString)", .branch("\#(b)"))"#
+                return #".package(\#(n)url: "\#(url.absoluteString)", branch: "\#(b)")"#
             case .exact(let v):
-                return #".package(\#(n)url: "\#(url.absoluteString)", .exact("\#(v)"))"#
+                return #".package(\#(n)url: "\#(url.absoluteString)", exact: "\#(v)")"#
             case .from(let v):
                 return #".package(\#(n)url: "\#(url.absoluteString)", from: "\#(v)")"#
             case .path:
                 return #".package(\#(n)path: "\#(url.path)")"#
             case .range(let r):
                 return #".package(\#(n)url: "\#(url.absoluteString)", "\#(r.lowerBound)"..<"\#(r.upperBound)")"#
             case .revision(let r):
-                return #".package(\#(n)url: "\#(url.absoluteString)", .revision("\#(r)"))"#
+                return #".package(\#(n)url: "\#(url.absoluteString)", revision: "\#(r)")"#
             case .noVersion:
                 return #".package(\#(n)url: "\#(url.absoluteString)", from: "0.0.0")"#
         }

Tests/ArenaTests/ArenaTests.swift

@@ -154,11 +154,11 @@ final class ArenaTests: XCTestCase {
     func test_dependency_package_clause() throws {
         do {
             let dep = Dependency(url: URL(string: "https://github.com/foo/bar")!, requirement: .branch("develop"))
-            XCTAssertEqual(dep.packageClause(), #".package(url: "https://github.com/foo/bar", .branch("develop"))"#)
+            XCTAssertEqual(dep.packageClause(), #".package(url: "https://github.com/foo/bar", branch: "develop")"#)
         }
         do {
             let dep = Dependency(url: URL(string: "https://github.com/foo/bar")!, requirement: .exact("1.2.3"))
-            XCTAssertEqual(dep.packageClause(), #".package(url: "https://github.com/foo/bar", .exact("1.2.3"))"#)
+            XCTAssertEqual(dep.packageClause(), #".package(url: "https://github.com/foo/bar", exact: "1.2.3")"#)
         }
         do {
             let dep = Dependency(url: URL(string: "https://github.com/foo/bar")!, requirement: .from("1.2.3"))
@@ -170,15 +170,15 @@ final class ArenaTests: XCTestCase {
         }
         do {
             let dep = Dependency(url: URL(string: "https://github.com/foo/bar")!, requirement: .revision("foo"))
-            XCTAssertEqual(dep.packageClause(), #".package(url: "https://github.com/foo/bar", .revision("foo"))"#)
+            XCTAssertEqual(dep.packageClause(), #".package(url: "https://github.com/foo/bar", revision: "foo")"#)
         }
         do {
             let dep = Dependency(url: URL(string: "file:///foo/bar")!, requirement: .path)
             XCTAssertEqual(dep.packageClause(), #".package(path: "/foo/bar")"#)
         }
         do {
             let dep = Dependency(url: URL(string: "https://github.com/foo/bar")!, requirement: .revision("foo"))
-            XCTAssertEqual(dep.packageClause(name: "bar"), #".package(url: "https://github.com/foo/bar", .revision("foo"))"#)
+            XCTAssertEqual(dep.packageClause(name: "bar"), #".package(url: "https://github.com/foo/bar", revision: "foo")"#)
         }
         do {
             let dep = Dependency(url: URL(string: "file:///foo/bar")!, requirement: .path)