Make package pure swift

.github/FUNDING.yml

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+patreon: chishui

Makefile

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+prefix ?= /usr/local
+bindir = $(prefix)/bin
+libdir = $(prefix)/lib
+
+build:
+	swift build -c release --disable-sandbox
+
+install: build
+	install -d "$(bindir)" "$(libdir)"
+	install ".build/release/one-wallpaper" "$(bindir)"
+	install_name_tool -change \
+		".build/x86_64-apple-macosx10.10/release/libSwiftSyntax.dylib" \
+		"$(bindir)/one-wallpaper"
+
+uninstall:
+	rm -rf "$(bindir)/one-wallpaper"
+
+clean:
+	rm -rf .build
+
+.PHONY: build install uninstall clean

Package.resolved

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+{
+  "object": {
+    "pins": [
+      {
+        "package": "SQLite.swift",
+        "repositoryURL": "https://github.com/stephencelis/SQLite.swift",
+        "state": {
+          "branch": null,
+          "revision": "9af51e2edf491c0ea632e369a6566e09b65aa333",
+          "version": "0.13.0"
+        }
+      },
+      {
+        "package": "swift-argument-parser",
+        "repositoryURL": "https://github.com/apple/swift-argument-parser",
+        "state": {
+          "branch": null,
+          "revision": "d2930e8fcf9c33162b9fcc1d522bc975e2d4179b",
+          "version": "1.0.1"
+        }
+      },
+      {
+        "package": "Wallpaper",
+        "repositoryURL": "https://github.com/chishui/Wallpaper",
+        "state": {
+          "branch": "main",
+          "revision": "ab18d7162cdfedf77f0eb19b22467cb5c91fdbfe",
+          "version": null
+        }
+      }
+    ]
+  },
+  "version": 1
+}

Package.swift

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+// swift-tools-version:5.3
+import PackageDescription
+
+let package = Package(
+    name: "OneWallpaper",
+    platforms: [
+        .macOS(.v10_14)
+    ],
+    products: [
+        .library(
+            name: "OneWallpaper",
+            targets: ["OneWallpaper"]),
+        .executable(name: "one-wallpaper",
+                    targets: ["OneWallpaper"])
+    ],
+    dependencies: [
+        // Dependencies declare other packages that this package depends on.
+        .package(url: "https://github.com/apple/swift-argument-parser", from: "1.0.0"),
+        .package(url: "https://github.com/stephencelis/SQLite.swift", from: "0.13.0"),
+        .package(url: "https://github.com/chishui/Wallpaper", .branch("main"))
+    ],
+    targets: [
+        // Targets are the basic building blocks of a package. A target can define a module or a test suite.
+        // Targets can depend on other targets in this package, and on products in packages this package depends on.
+        .target(
+            name: "OneWallpaper",
+            dependencies: [
+              .product(name: "Wallpaper", package: "Wallpaper"), 
+              .product(name: "ArgumentParser", package: "swift-argument-parser")  
+            ]
+        )
+    ]
+)

README.md

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+OneWallpaper
+==============================
+OneWallpaper can help you set up a continous wallpaper across your multiple monitors with single wallpaper with smooth transition.
+
+# Install
+```bash
+$ brew tap chishui/OneWallpaper
+$ brew install one-wallpaper
+```

Sources/OneWallpaper/PathHelper.swift

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+//
+//  PathHelper.swift
+//  OneWallpaper
+//
+//  Created by Liyun Xiu on 10/17/20.
+//
+
+import Foundation
+
+class PathHelper {
+    let fileManager = FileManager.default
+    let extensions = ["jpg", "jpeg", "png"]
+
+    func getRandomImage(from folder: String) throws -> String {
+        let folderUrl = URL(string: folder)
+        var images: [URL] = []
+        let items = try fileManager.contentsOfDirectory(atPath: folder)
+        for item in items {
+            guard let file = folderUrl?.appendingPathComponent(item) else {continue}
+            if extensions.contains(file.pathExtension) {
+                images.append(file)
+            }
+        }
+
+        let index = Int.random(in: 0..<images.count)
+        return images[index].absoluteString
+    }
+}

Sources/OneWallpaper/main.swift

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+//
+//  main.swift
+//  OneWallpaper
+//
+//  Created by Liyun Xiu on 10/4/20.
+//
+
+import Foundation
+import Wallpaper
+import ArgumentParser
+
+struct OneWallpaper: ParsableCommand {
+    // Customize your command's help and subcommands by implementing the
+    // `configuration` property.
+    static var configuration = CommandConfiguration(
+        // Optional abstracts and discussions are used for help output.
+        abstract: "A tool to split your wallpaper and setup them across multiple monitors",
+
+        // Commands can define a version for automatic '--version' support.
+        version: "1.0.0"
+        )
+
+    @Argument(help: "Set image path or directory path to set random image from directory")
+    var wallpaper: String
+
+    @Flag(help: "true to set the same wallpaper in each monitor, otherwise set wallpaper across monitors to they look like one image")
+    var duplicate = false
+
+    mutating func run() {
+        let wp = Wallpaper()
+        var isDir : ObjCBool = false
+        guard FileManager.default.fileExists(atPath: wallpaper, isDirectory: &isDir) else {
+            print("File: \(wallpaper) does not exist!")
+            return
+        }
+
+        if isDir.boolValue {
+            let ph = PathHelper()
+            do {
+                wallpaper = try ph.getRandomImage(from: wallpaper)
+            } catch {
+                print(error)
+                return
+            }
+        }
+
+        let method = duplicate ? SetWallpaperMethod.duplicate : SetWallpaperMethod.across
+        let result = wp.setWallpaper(with: wallpaper, by: method)
+        switch result {
+        case .success:
+            print("Done!")
+        case .failure(let error):
+            switch error {
+            case .fileNotExist:
+                print("File: \(wallpaper) does not exist!")
+            case .saveTemporaryImageFileFail:
+                print("Cannot save temparory file!")
+            case .setWallpaperFail:
+                print("Set wallpaper failed!")
+            case .unknown:
+                print("Unknown error happened!")
+            }
+        }
+    }
+}
+
+OneWallpaper.main()