Command-line options and Markdown output

.editorconfig

@@ -15,7 +15,6 @@ ij_visual_guides = 100
 ij_wrap_on_typing = false
 
 [*.css]
-ij_visual_guides = none
 ij_css_align_closing_brace_with_properties = false
 ij_css_blank_lines_around_nested_selector = 1
 ij_css_blank_lines_between_blocks = 1
@@ -35,19 +34,15 @@ ij_css_use_double_quotes = true
 ij_css_value_alignment = do_not_align
 
 [*.feature]
-ij_visual_guides = none
 ij_gherkin_keep_indents_on_empty_lines = false
 
 [*.gsp]
-ij_visual_guides = none
 ij_gsp_keep_indents_on_empty_lines = false
 
 [*.haml]
-ij_visual_guides = none
 ij_haml_keep_indents_on_empty_lines = false
 
 [*.java]
-ij_visual_guides = none
 ij_java_align_consecutive_assignments = false
 ij_java_align_consecutive_variable_declarations = false
 ij_java_align_group_field_declarations = false
@@ -296,7 +291,6 @@ ij_java_wrap_first_method_in_call_chain = false
 ij_java_wrap_long_lines = false
 
 [*.less]
-ij_visual_guides = none
 ij_less_align_closing_brace_with_properties = false
 ij_less_blank_lines_around_nested_selector = 1
 ij_less_blank_lines_between_blocks = 1
@@ -316,10 +310,7 @@ ij_less_use_double_quotes = true
 ij_less_value_alignment = 0
 
 [*.nbtt]
-indent_style = space
-max_line_length = 150
 ij_continuation_indent_size = 4
-ij_visual_guides = none
 ij_nbtt_keep_indents_on_empty_lines = false
 ij_nbtt_space_after_colon = true
 ij_nbtt_space_after_comma = true
@@ -329,7 +320,6 @@ ij_nbtt_spaces_within_brackets = false
 ij_nbtt_spaces_within_parentheses = false
 
 [*.sass]
-ij_visual_guides = none
 ij_sass_align_closing_brace_with_properties = false
 ij_sass_blank_lines_around_nested_selector = 1
 ij_sass_blank_lines_between_blocks = 1
@@ -349,7 +339,6 @@ ij_sass_use_double_quotes = true
 ij_sass_value_alignment = 0
 
 [*.scss]
-ij_visual_guides = none
 ij_scss_align_closing_brace_with_properties = false
 ij_scss_blank_lines_around_nested_selector = 1
 ij_scss_blank_lines_between_blocks = 1
@@ -369,7 +358,6 @@ ij_scss_use_double_quotes = true
 ij_scss_value_alignment = 0
 
 [*.styl]
-ij_visual_guides = none
 ij_stylus_align_closing_brace_with_properties = false
 ij_stylus_blank_lines_around_nested_selector = 1
 ij_stylus_blank_lines_between_blocks = 1
@@ -389,7 +377,6 @@ ij_stylus_use_double_quotes = true
 ij_stylus_value_alignment = 0
 
 [.editorconfig]
-ij_visual_guides = none
 ij_editorconfig_align_group_field_declarations = false
 ij_editorconfig_space_after_colon = false
 ij_editorconfig_space_after_comma = true
@@ -398,7 +385,6 @@ ij_editorconfig_space_before_comma = false
 ij_editorconfig_spaces_around_assignment_operators = true
 
 [{*.ant,*.fxml,*.jhm,*.jnlp,*.jrxml,*.pom,*.rng,*.tld,*.wadl,*.wsdd,*.wsdl,*.xjb,*.xml,*.xsd,*.xsl,*.xslt,*.xul}]
-ij_visual_guides = none
 ij_xml_align_attributes = true
 ij_xml_align_text = false
 ij_xml_attribute_wrap = normal
@@ -418,7 +404,6 @@ ij_xml_text_wrap = normal
 ij_xml_use_custom_settings = false
 
 [{*.ats,*.ts}]
-ij_visual_guides = none
 ij_typescript_align_imports = false
 ij_typescript_align_multiline_array_initializer_expression = false
 ij_typescript_align_multiline_binary_operation = false
@@ -586,7 +571,6 @@ ij_typescript_while_on_new_line = false
 ij_typescript_wrap_comments = false
 
 [{*.bash,*.sh,*.zsh}]
-ij_visual_guides = none
 ij_shell_binary_ops_start_line = false
 ij_shell_keep_column_alignment_padding = false
 ij_shell_minify_program = false
@@ -595,7 +579,6 @@ ij_shell_switch_cases_indented = false
 
 [{*.cjs,*.js}]
 ij_continuation_indent_size = 4
-ij_visual_guides = none
 ij_javascript_align_imports = false
 ij_javascript_align_multiline_array_initializer_expression = false
 ij_javascript_align_multiline_binary_operation = false
@@ -761,7 +744,6 @@ ij_javascript_wrap_comments = false
 
 [{*.cjsx,*.coffee}]
 ij_continuation_indent_size = 4
-ij_visual_guides = none
 ij_coffeescript_align_function_body = false
 ij_coffeescript_align_imports = false
 ij_coffeescript_align_multiline_array_initializer_expression = true
@@ -856,11 +838,9 @@ ij_coffeescript_use_semicolon_after_statement = false
 ij_coffeescript_var_declaration_wrap = normal
 
 [{*.ft,*.vm,*.vsl}]
-ij_visual_guides = none
 ij_vtl_keep_indents_on_empty_lines = false
 
 [{*.gant,*.gradle,*.groovy,*.gson,*.gy}]
-ij_visual_guides = none
 ij_groovy_align_group_field_declarations = false
 ij_groovy_align_multiline_array_initializer_expression = false
 ij_groovy_align_multiline_assignment = false
@@ -1040,7 +1020,6 @@ ij_groovy_while_on_new_line = false
 ij_groovy_wrap_long_lines = false
 
 [{*.gradle.kts,*.kt,*.kts,*.main.kts}]
-ij_visual_guides = none
 ij_kotlin_align_in_columns_case_branch = false
 ij_kotlin_align_multiline_binary_operation = false
 ij_kotlin_align_multiline_extends_list = false
@@ -1122,7 +1101,6 @@ ij_kotlin_wrap_expression_body_functions = 1
 ij_kotlin_wrap_first_method_in_call_chain = false
 
 [{*.har,*.jsb2,*.jsb3,*.json,*.mcmeta,.babelrc,.eslintrc,.stylelintrc,bowerrc,jest.config,mcmod.info}]
-ij_visual_guides = none
 ij_json_keep_blank_lines_in_code = 0
 ij_json_keep_indents_on_empty_lines = false
 ij_json_keep_line_breaks = true
@@ -1135,7 +1113,6 @@ ij_json_spaces_within_brackets = false
 ij_json_wrap_long_lines = false
 
 [{*.htm,*.html,*.ng,*.sht,*.shtm,*.shtml}]
-ij_visual_guides = none
 ij_html_add_new_line_before_tags = body,div,p,form,h1,h2,h3
 ij_html_align_attributes = true
 ij_html_align_text = false
@@ -1164,29 +1141,23 @@ ij_html_text_wrap = normal
 ij_html_uniform_ident = false
 
 [{*.jsf,*.jsp,*.jspf,*.tag,*.tagf,*.xjsp}]
-ij_visual_guides = none
 ij_jsp_jsp_prefer_comma_separated_import_list = false
 ij_jsp_keep_indents_on_empty_lines = false
 
 [{*.jspx,*.tagx}]
-ij_visual_guides = none
 ij_jspx_keep_indents_on_empty_lines = false
 
 [{*.properties,spring.handlers,spring.schemas}]
-ij_visual_guides = none
 ij_properties_align_group_field_declarations = false
 ij_properties_keep_blank_lines = false
 ij_properties_key_value_delimiter = equals
 ij_properties_spaces_around_key_value_delimiter = false
 
 [{*.toml,Cargo.lock,Gopkg.lock,Pipfile}]
-indent_style = space
-ij_visual_guides = none
 ij_toml_keep_indents_on_empty_lines = false
 
 [{*.yaml,*.yml}]
 indent_size = 2
-ij_visual_guides = none
 ij_yaml_keep_indents_on_empty_lines = false
 ij_yaml_keep_line_breaks = true
 ij_yaml_space_before_colon = true

README.md

@@ -15,8 +15,6 @@ Generates changelogs for CurseForge modpacks.
 
 All public-facing code is documented with Javadoc and (mostly) tested with JUnit.
 
-## How to use?
-1. Put the `manifest.json` from your old version in a folder and rename it to `old.json`.
-2. Put the `manifest.json` from your new version in the same folder and rename it to `new.json`.
-3. Execute the `ChangelogGenerator.jar` by double-clicking it in the same folder.
-4. Wait for the `changelog.txt`.
+## Usage
+
+Run `java -jar ChangelogGenerator-[version].jar --help` for command-line usage instructions.

build.gradle

@@ -1,12 +1,12 @@
 group = "com.therandomlabs.changeloggenerator"
-version = "2.0.0-pre5"
+version = "2.0.0-pre6"
 
 ext {
 	commonGradleBranch = "master"
-	mainClass = "${group}.Main"
+	mainClass = "${group}.ChangelogGeneratorOptions"
 	jacocoExcludes = [
 		"com.therandomlabs.changeloggenerator.ChangelogEntry",
-		"com.therandomlabs.changeloggenerator.Main"
+		"com.therandomlabs.changeloggenerator.ChangelogGeneratorOptions"
 	]
 }
 
@@ -22,7 +22,14 @@ dependencies {
 	api "com.github.TheRandomLabs:CurseAPI:master-SNAPSHOT"
 	api "com.github.TheRandomLabs:CurseAPI-Minecraft:master-SNAPSHOT"
 
+	implementation "info.picocli:picocli:4.6.1"
+	annotationProcessor "info.picocli:picocli-codegen:4.6.1"
+
 	implementation "com.atlassian.commonmark:commonmark:0.13.1"
 
 	testImplementation "com.github.TheRandomLabs:TRLUtils-IO:master-SNAPSHOT"
 }
+
+compileJava {
+    options.compilerArgs += "-Aproject=${project.group}/${project.name}"
+}

src/main/java/com/therandomlabs/changeloggenerator/BasicChangelogGenerator.java

@@ -52,7 +52,11 @@ public class BasicChangelogGenerator extends ChangelogGenerator {
 	 */
 	public static final BasicChangelogGenerator instance = new BasicChangelogGenerator();
 
-	private static final Splitter LINE_SEPARATOR_SPLITTER = Splitter.on(System.lineSeparator()).
+	/**
+	 * A {@link Splitter} that works on line separators.
+	 * Empty strings are omitted, and results are trimmed.
+	 */
+	protected static final Splitter LINE_SEPARATOR_SPLITTER = Splitter.on(System.lineSeparator()).
 			omitEmptyStrings().
 			trimResults();
 
@@ -67,7 +71,9 @@ protected BasicChangelogGenerator() {
 	 * {@inheritDoc}
 	 */
 	@Override
-	public String generate(CurseModpack oldModpack, CurseModpack newModpack) throws CurseException {
+	public String generate(
+			CurseModpack oldModpack, CurseModpack newModpack, ChangelogGeneratorOptions options
+	) throws CurseException {
 		final CurseFilesComparison<BasicCurseFile> comparison =
 				CurseFilesComparison.of(oldModpack.files(), newModpack.files());
 		final StringBuilder builder = new StringBuilder();
@@ -167,7 +173,7 @@ protected void appendFiles(
 		);
 
 		for (String projectName : projectNames) {
-			builder.append(System.lineSeparator()).append("- ").append(projectName);
+			builder.append(System.lineSeparator()).append("* ").append(projectName);
 		}
 	}
 
@@ -183,7 +189,7 @@ protected void appendFiles(
 	protected void appendChangelogEntries(
 			StringBuilder builder, String title, Set<CurseFileChange<BasicCurseFile>> fileChanges
 	) throws CurseException {
-		builder.append(title).append(':');
+		appendTitle(builder, title);
 
 		final Map<String, ChangelogEntries> allEntries = new TreeMap<>(CurseAPI.parallelMap(
 				fileChanges,

src/main/java/com/therandomlabs/changeloggenerator/ChangelogEntry.java

@@ -24,6 +24,7 @@
 package com.therandomlabs.changeloggenerator;
 
 import com.google.common.base.MoreObjects;
+import okhttp3.HttpUrl;
 import org.jsoup.nodes.Element;
 
 /**
@@ -32,19 +33,22 @@
 public final class ChangelogEntry implements Comparable<ChangelogEntry> {
 	private final Comparable<?> comparable;
 	private final String title;
+	private final HttpUrl url;
 	private Element entry;
 
 	/**
-	 * Constructs a {@link ChangelogEntry} instance with the specified title and entry.
+	 * Constructs a {@link ChangelogEntry} instance with the specified title, entry and URL.
 	 *
 	 * @param comparable a {@link Comparable} for use in sorting. Changelog entries for newer
 	 * files should be sorted first.
 	 * @param title a title.
+	 * @param url a URL.
 	 * @param entry a changelog entry.
 	 */
-	public ChangelogEntry(Comparable<?> comparable, String title, Element entry) {
+	public ChangelogEntry(Comparable<?> comparable, String title, HttpUrl url, Element entry) {
 		this.comparable = comparable;
 		this.title = title;
+		this.url = url;
 		this.entry = entry;
 	}
 
@@ -94,6 +98,14 @@ public String title() {
 		return title;
 	}
 
+	/**
+	 * Returns this {@link ChangelogEntry}'s URL.
+	 * @return this {@link ChangelogEntry}'s URL.
+	 */
+	public HttpUrl url() {
+		return url;
+	}
+
 	/**
 	 * Returns this {@link ChangelogEntry}'s changelog entry.
 	 *

src/main/java/com/therandomlabs/changeloggenerator/ChangelogGenerator.java

@@ -120,8 +120,25 @@ public ChangelogEntries getChangelogEntries(
 	 * @return the generated changelog.
 	 * @throws CurseException if an error occurs.
 	 */
-	public abstract String generate(CurseModpack oldModpack, CurseModpack newModpack)
-			throws CurseException;
+	public String generate(CurseModpack oldModpack, CurseModpack newModpack) throws CurseException {
+		return generate(oldModpack, newModpack, new ChangelogGeneratorOptions());
+	}
+
+	/**
+	 * Generates a changelog that details changes between an older and newer version of a
+	 * CurseForge modpack.
+	 *
+	 * @param oldModpack a {@link CurseModpack} instance that represents an older version of a
+	 * CurseForge modpack.
+	 * @param newModpack a {@link CurseModpack} instance that represents a newer version of a
+	 * CurseForge modpack.
+	 * @param options ChangelogGenerator options.
+	 * @return the generated changelog.
+	 * @throws CurseException if an error occurs.
+	 */
+	public abstract String generate(
+			CurseModpack oldModpack, CurseModpack newModpack, ChangelogGeneratorOptions options
+	) throws CurseException;
 
 	/**
 	 * Registers the specified {@link ChangelogProvider} to this {@link ChangelogGenerator}