Добавлен модуль ядра программы

source/snapd/core/core.d

@@ -0,0 +1,109 @@
+module snapd.core.core;
+
+import snapd.config;
+import std.format;
+import std.stdio;
+import std.array;
+import std.exception;
+import std.process;
+import std.algorithm;
+import std.string;
+
+class SnapdException : Exception {
+	this(string msg, string file = __FILE__, size_t line = __LINE__) {
+		super(msg, file, line);
+	}
+
+	void print() {
+		writeln(msg);
+	}
+}
+
+class Snapd {
+	private string[] _baseCommand;
+	private SnapdConfig _config;
+
+	this(SnapdConfig config) {
+		_baseCommand = format(
+			"git --git-dir=%s --work-tree=%s",
+			config.git, config.project
+		).split();
+		_config = config;
+	}
+
+	void initialize() {
+		auto result = execute(_baseCommand ~ "init");
+		if (result.status)
+			throw new SnapdException(
+				"A Git repository initialization error occurred:\n"
+				~ result.output
+			);
+
+		result = execute(
+			_baseCommand ~ ["config", "user.email", _config.email]
+		);
+		if (result.status)
+			throw new SnapdException(
+				"A Git repository initialization error occurred:\n"
+				~ result.output
+			);
+
+		result = execute(
+			_baseCommand ~ ["config", "user.name", _config.user]
+		);
+		if (result.status)
+			throw new SnapdException(
+				"A Git repository initialization error occurred:\n"
+				~ result.output
+			);
+
+		writeln(
+			"The Git repository has been initialized successfully: "
+			~ _config.git
+		);
+	}
+
+	void status() {
+		auto result = execute(
+			_baseCommand ~ ["status", "--porcelain"]
+		);
+		if (result.status)
+			throw new SnapdException(
+				"An error occurred while checking the file tracking status:\n"
+				~ result.output
+			);
+
+		writeln("The following list of files requires backup:");
+
+		/**
+		Цепочка выполняет разбивку по переводу на новую строку,
+		отсеивает пустые строки, перебирает в цикле имеющиеся строки,
+		выводит только вторую часть строки (разделенную по пробелу)
+		*/
+		result.output.split('\n').filter!(e => !e.strip.empty).each!((e) {
+			writefln("\t/%s", e.strip.split[1]);
+		});
+	}
+
+	void create() {
+		auto result = execute(
+			_baseCommand ~ ["add", "."]
+		);
+		if (result.status)
+			throw new SnapdException(
+				"Failed to prepare files for archiving:\n"
+				~ result.output
+			);
+
+		result = execute(
+			_baseCommand ~ ["commit", "-m", "test"]
+		);
+		if (result.status)
+			throw new SnapdException(
+				"Failed to create a backup:\n"
+				~ result.output
+			);
+
+		writeln("Backup was created successfully");
+	}
+}

source/snapd/core/package.d

@@ -0,0 +1,3 @@
+module snapd.core;
+
+public import snapd.core.core;

source/snapd/package.d

@@ -2,3 +2,4 @@ module snapd;
 
 public import snapd.version_;
 public import snapd.config;
+public import snapd.core;