feat: Option to exclude some languages from the build

src/main/java/com/crowdin/cli/commands/Actions.java

@@ -24,7 +24,7 @@
 public interface Actions {
 
     NewAction<PropertiesWithFiles, ProjectClient> download(
-        FilesInterface files, boolean noProgress, List<String> languageIds, boolean pseudo, String branchName,
+        FilesInterface files, boolean noProgress, List<String> languageIds, List<String> excludeLanguageIds, boolean pseudo, String branchName,
         boolean ignoreMatch, boolean isVerbose, boolean plainView, boolean userServerSources, boolean keepArchive
     );
 

src/main/java/com/crowdin/cli/commands/actions/CliActions.java

@@ -26,10 +26,10 @@ public class CliActions implements Actions {
 
     @Override
     public NewAction<PropertiesWithFiles, ProjectClient> download(
-        FilesInterface files, boolean noProgress, List<String> languageIds, boolean pseudo, String branchName,
+        FilesInterface files, boolean noProgress, List<String> languageIds, List<String> excludeLanguageIds, boolean pseudo, String branchName,
         boolean ignoreMatch, boolean isVerbose, boolean plainView, boolean useServerSources, boolean keepArchive
     ) {
-        return new DownloadAction(files, noProgress, languageIds, pseudo, branchName, ignoreMatch, isVerbose, plainView, useServerSources, keepArchive);
+        return new DownloadAction(files, noProgress, languageIds, excludeLanguageIds, pseudo, branchName, ignoreMatch, isVerbose, plainView, useServerSources, keepArchive);
     }
 
     @Override

src/main/java/com/crowdin/cli/commands/actions/DownloadAction.java

@@ -58,6 +58,7 @@ class DownloadAction implements NewAction<PropertiesWithFiles, ProjectClient> {
     private FilesInterface files;
     private boolean noProgress;
     private List<String> languageIds;
+    private List<String> excludeLanguageIds;
     private boolean pseudo;
     private String branchName;
     private boolean ignoreMatch;
@@ -69,12 +70,13 @@ class DownloadAction implements NewAction<PropertiesWithFiles, ProjectClient> {
     private Outputter out;
 
     public DownloadAction(
-            FilesInterface files, boolean noProgress, List<String> languageIds, boolean pseudo, String branchName,
+            FilesInterface files, boolean noProgress, List<String> languageIds, List<String> excludeLanguageIds, boolean pseudo, String branchName,
             boolean ignoreMatch, boolean isVerbose, boolean plainView, boolean useServerSources, boolean keepArchive
     ) {
         this.files = files;
         this.noProgress = noProgress || plainView;
         this.languageIds = languageIds;
+        this.excludeLanguageIds = excludeLanguageIds;
         this.pseudo = pseudo;
         this.branchName = branchName;
         this.ignoreMatch = ignoreMatch;
@@ -115,6 +117,12 @@ public void act(Outputter out, PropertiesWithFiles pb, ProjectClient client) {
                 .orElseThrow(() -> new RuntimeException(
                     String.format(RESOURCE_BUNDLE.getString("error.language_not_exist"), lang))))
             .collect(Collectors.toList());
+        List<Language> excludeLanguages = excludeLanguageIds == null ? new ArrayList<>() : excludeLanguageIds.stream()
+            .map(lang -> project.findLanguageById(lang, true)
+                .orElseThrow(() -> new RuntimeException(
+                    String.format(RESOURCE_BUNDLE.getString("error.language_not_exist"), lang))))
+            .collect(Collectors.toList());
+
         Optional<Branch> branch = Optional.ofNullable(project.getBranch());
 
         Map<String, com.crowdin.client.sourcefiles.model.File> serverSources = ProjectFilesUtils.buildFilePaths(project.getDirectories(), project.getFiles());
@@ -154,16 +162,24 @@ public void act(Outputter out, PropertiesWithFiles pb, ProjectClient client) {
                 }
                 tempDirs.put(downloadedFiles.getLeft(), downloadedFiles.getRight());
             } else {
-                List<Language> forLanguages = languages != null ? languages : project.getProjectLanguages(true);
+                List<Language> forLanguages = languages != null ? languages :
+                        project.getProjectLanguages(true).stream()
+                               .filter(language -> !excludeLanguages.contains(language))
+                               .collect(Collectors.toList());
+
                 if (!plainView) {
                     out.println((languageIds != null)
                         ? OK.withIcon(String.format(RESOURCE_BUNDLE.getString("message.build_language_archive"), String.join(", ", languageIds)))
                         : OK.withIcon(RESOURCE_BUNDLE.getString("message.build_archive")));
                 }
                 CrowdinTranslationCreateProjectBuildForm templateRequest = new CrowdinTranslationCreateProjectBuildForm();
+
                 if (languages != null) {
                     templateRequest.setTargetLanguageIds(languages.stream().map(Language::getId).collect(Collectors.toList()));
+                } else if (!excludeLanguages.isEmpty()) {
+                    templateRequest.setTargetLanguageIds(forLanguages.stream().map(Language::getId).collect(Collectors.toList()));
                 }
+
                 branch
                     .map(Branch::getId)
                     .ifPresent(templateRequest::setBranchId);

src/main/java/com/crowdin/cli/commands/picocli/DownloadSubcommand.java

@@ -6,8 +6,10 @@
 import com.crowdin.cli.commands.functionality.FsFiles;
 import com.crowdin.cli.properties.ParamsWithFiles;
 import com.crowdin.cli.properties.PropertiesWithFiles;
+import org.apache.commons.lang3.ArrayUtils;
 import picocli.CommandLine;
 
+import java.util.ArrayList;
 import java.util.List;
 
 @CommandLine.Command(
@@ -31,6 +33,9 @@ class DownloadSubcommand extends ActCommandWithFiles {
     @CommandLine.Option(names = {"-l", "--language"}, paramLabel = "...", order = -2)
     protected List<String> languageIds;
 
+    @CommandLine.Option(names = {"-el", "--exclude-language"}, paramLabel = "...", order = -2)
+    protected List<String> excludeLanguageIds;
+
     @CommandLine.Option(names = {"--pseudo"}, descriptionKey = "crowdin.download.pseudo", order = -2)
     protected boolean pseudo;
 
@@ -62,7 +67,7 @@ class DownloadSubcommand extends ActCommandWithFiles {
     protected NewAction<PropertiesWithFiles, ProjectClient> getAction(Actions actions) {
         return (dryrun)
             ? actions.listTranslations(noProgress, treeView, false, plainView, all, true)
-            : actions.download(new FsFiles(), noProgress, languageIds, pseudo, branchName, ignoreMatch, isVerbose, plainView, all, keepArchive);
+            : actions.download(new FsFiles(), noProgress, languageIds, excludeLanguageIds, pseudo, branchName, ignoreMatch, isVerbose, plainView, all, keepArchive);
     }
 
     @Override
@@ -74,4 +79,13 @@ protected boolean isAnsi() {
     protected void updateParams(ParamsWithFiles params) {
         params.setExportOptions(skipTranslatedOnly, skipUntranslatedFiles, exportApprovedOnly);
     }
+
+    @Override
+    protected List<String> checkOptions() {
+        List<String> errors = new ArrayList<>();
+        if (languageIds != null && excludeLanguageIds != null) {
+            errors.add(RESOURCE_BUNDLE.getString("error.download.include_exclude_lang_conflict"));
+        }
+        return errors;
+    }
 }

src/main/resources/messages/messages.properties

@@ -41,7 +41,8 @@ tree.dryrun=List contents of directories in a tree-like format in dryrun mode
 crowdin.download.usage.description=Download the latest translations from Crowdin to the specified place
 crowdin.download.usage.customSynopsis=@|fg(green) crowdin |@(@|fg(green) download|@|@|fg(green) pull|@) [CONFIG OPTIONS] [OPTIONS]
 crowdin.download.ignore-match=Ignore warning message about a configuration change
-crowdin.download.language=Use this option to download translations for a single specified language. Default: all
+crowdin.download.language=Download translations for the specified language. Can be specified multiple times
+crowdin.download.exclude-language=Skip the language during download. Can be specified multiple times
 crowdin.download.pseudo=Download pseudo-localized translation files
 crowdin.download.all=Download files even if local sources are missing
 
@@ -341,6 +342,7 @@ error.language_not_exist=Language '%s' doesn't exist in the project. Try specify
 error.languages_not_exist=Language(s) %s doesn't exist in the project. Try specifying another language code(s)
 error.building_translation=Failed to build translation. Please contact our support team for help
 error.downloading_file=Failed to download ZIP archive. Try to run the command once again
+error.download.include_exclude_lang_conflict=The '--language' and '--exclude-language' options can't be used simultaneously
 error.extracting_files=Failed to extract files. Try to run the application with admin permission
 error.archive_not_exist=Archive '%s' wasn't found. Try to run the application with admin permission
 error.creatingDirectory=Failed to extract files. Couldn't create a directory for files extraction. Try to run the application with admin permission

src/test/java/com/crowdin/cli/commands/actions/CliActionsTest.java

@@ -14,7 +14,7 @@ public class CliActionsTest {
 
     @Test
     public void testDownload() {
-        assertNotNull(actions.download(new FsFiles(), false, null, false, null, false, false, false, false, false));
+        assertNotNull(actions.download(new FsFiles(), false, null, null, false, null, false, false, false, false, false));
     }
 
     @Test