added gitlab public repo support

CHANGELOG.md

@@ -5,6 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [Unreleased]
+- Support for gitlab public repo #13
 
 ## [1.0.0] - 2020-01-09
 

src/main/java/com/diffplug/blowdryer/BlowdryerSetup.java

@@ -61,6 +61,14 @@ public void github(String repoOrg, GitAnchorType anchorType, String anchor) {
 		Blowdryer.setResourcePlugin(resource -> root + resource);
 	}
 
+	/** Sets the source where we will grab these scripts. */
+	public void gitlab(String repoOrg, GitAnchorType anchorType, String anchor) {
+		assertNoLeadingOrTrailingSlash(repoOrg);
+		assertNoLeadingOrTrailingSlash(anchor);
+		String root = "https://gitlab.com/" + repoOrg + "/-/raw/" + anchor + "/" + repoSubfolder + "/";
+		Blowdryer.setResourcePlugin(resource -> root + resource);
+	}
+
 	/** Sets the mapping from `file(String)` to `immutableUrl(String)`. */
 	public void experimental(Closure<String> function) {
 		experimental(function::call);

src/test/java/com/diffplug/blowdryer/BlowdryerPluginTest.java

@@ -30,6 +30,14 @@ private void settingsGithub(String tag, String... extra) throws IOException {
 				Arrays.stream(extra).collect(Collectors.joining("\n")));
 	}
 
+	private void settingsGitlab(String tag, String... extra) throws IOException {
+		write("settings.gradle",
+				"plugins { id 'com.diffplug.blowdryerSetup' }",
+				"blowdryerSetup { gitlab('vgropp/blowdryer-test', 'tag', '" + tag + "') }",
+				Arrays.stream(extra).collect(Collectors.joining("\n")));
+	}
+
+
 	@Test
 	public void githubTag() throws IOException {
 		settingsGithub("test/2/a");
@@ -56,6 +64,32 @@ public void githubTag() throws IOException {
 		gradleRunner().buildAndFail();
 	}
 
+	@Test
+	public void gitlabTag() throws IOException {
+		settingsGitlab("test/2/a");
+		write("build.gradle",
+				"apply plugin: 'com.diffplug.blowdryer'",
+				"assert 干.file('sample').text == 'a'",
+				"assert 干.prop('sample', 'name') == 'test'",
+				"assert 干.prop('sample', 'ver_spotless') == '1.2.0'");
+		gradleRunner().build();
+
+		settingsGitlab("test/2/b");
+		write("build.gradle",
+				"apply plugin: 'com.diffplug.blowdryer'",
+				"assert 干.file('sample').text == 'b'",
+				"assert 干.prop('sample', 'name') == 'testB'",
+				"assert 干.prop('sample', 'group') == 'com.diffplug.gradleB'");
+		gradleRunner().build();
+
+		// double-check that failures do fail
+		settingsGitlab("test/2/b");
+		write("build.gradle",
+				"plugins { id 'com.diffplug.blowdryer' }",
+				"assert Blowdryer.file('sample').text == 'a'");
+		gradleRunner().buildAndFail();
+	}
+
 	@Test
 	public void devLocal() throws IOException {
 		write("../blowdryer-script/src/main/resources/sample", "c");