get rid of man page

fixes #553

Author: Vladimir Kotal

distribution/pom.xml

@@ -68,30 +68,6 @@
               </execution>
             </executions>
           </plugin>
-          <plugin>
-            <groupId>org.codehaus.mojo</groupId>
-            <artifactId>exec-maven-plugin</artifactId>
-            <version>1.6.0</version>
-            <executions>
-              <execution>
-                <id>man-page</id>
-                <phase>package</phase>
-                <goals>
-                  <goal>exec</goal>
-                </goals>
-              </execution>
-            </executions>
-            <configuration>
-              <executable>java</executable>
-              <outputFile>${project.build.directory}/dist/opengrok.1</outputFile>
-              <arguments>
-                <argument>-classpath</argument>
-                <argument>${project.build.directory}/dist/opengrok-${project.version}.jar</argument>
-                <argument>org.opengrok.indexer.index.Indexer</argument>
-                <argument>--man</argument>
-              </arguments>
-            </configuration>
-          </plugin>
           <plugin>
             <artifactId>maven-assembly-plugin</artifactId>
             <version>3.1.0</version>

opengrok-indexer/src/main/java/org/opengrok/indexer/configuration/SuggesterConfig.java

@@ -155,8 +155,7 @@ public SuggesterConfig() {
         setShowProjects(SHOW_PROJECTS_DEFAULT);
         setShowTime(SHOW_TIME_DEFAULT);
         setTimeThreshold(TIME_THRESHOLD_DEFAULT);
-        // do not use setter because indexer invocation with --man will fail
-        rebuildCronConfig = REBUILD_CRON_CONFIG_DEFAULT;
+        setRebuildCronConfig(REBUILD_CRON_CONFIG_DEFAULT);
         setBuildTerminationTime(BUILD_TERMINATION_TIME_DEFAULT);
         setRebuildThreadPoolSizeInNcpuPercent(REBUILD_THREAD_POOL_PERCENT_NCPUS_DEFAULT);
     }

opengrok-indexer/src/main/java/org/opengrok/indexer/index/Indexer.java

@@ -593,16 +593,6 @@ public static String[] parseOptions(String[] argv) throws ParseException {
                     "Please increase JVM heap accordingly too.").execute(memSize ->
                     cfg.setRamBufferSize((Double) memSize));
 
-            parser.on("--man", "Generate OpenGrok XML manual page.").execute(v -> {
-                try {
-                    System.out.print(parser.getManPage());
-                } catch (IOException e) {
-                    System.err.println(e.getMessage());
-                    status = 1;
-                }
-                System.exit(status);
-            });
-
             parser.on("--mandoc", "=/path/to/mandoc", "Path to mandoc(1) binary.")
                     .execute(mandocPath -> cfg.setMandoc((String) mandocPath));
 

opengrok-indexer/src/main/java/org/opengrok/indexer/util/OptionParser.java

@@ -27,18 +27,14 @@
 import java.io.StringWriter;
 import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
 import java.io.PrintStream;
-import java.nio.charset.StandardCharsets;
-import java.text.DateFormat;
 import java.text.ParseException;
 import java.util.List;
 import java.util.Map;
 import java.util.function.Consumer;
 import java.util.function.Function;
 import java.util.ArrayList;
 import java.util.Arrays;
-import java.util.Date;
 import java.util.HashMap;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
@@ -786,59 +782,7 @@ private void spool(BufferedReader reader, PrintWriter out, String tag) throws IO
             out.println(line);
         }
     }
-    
-    /**
-     * Generate XML manual page
-     * This requires the template file <code>opengrok.xml</code> as input.
-     * @return String containing generated XML manual page
-     * @throws IOException I/O exception
-     */
-    public String getManPage() throws IOException {
-        StringWriter wrt = new StringWriter();
-        PrintWriter out = new PrintWriter(wrt);
-        try (BufferedReader reader = new BufferedReader(new InputStreamReader(
-                     getClass().getResourceAsStream("/manpage/opengrok.xml"), StandardCharsets.US_ASCII))) {
-            spool(reader, out, "___INSERT_DATE___");
-            out.print("<refmiscinfo class=\"date\">");
-            out.print(DateFormat.getDateInstance(DateFormat.MEDIUM).format(new Date()));
-            out.println("</refmiscinfo>");
 
-            spool(reader, out, "___INSERT_USAGE___");
-            for (Option o: optionList) {
-                String sep = "";
-                out.println("<optional><option>");
-                for (String option : o.names) {
-                    out.print(sep + option);
-                    sep = ", ";
-                }
-                if (o.argument != null) {
-                    out.print(" <replaceable>");
-                    out.print(o.argument);
-                    out.print("</replaceable>");
-                }
-                out.println("</option></optional>");
-            }
-
-            spool(reader, out, "___INSERT_OPTIONS___");
-            for (Option o: optionList) {
-                String sep = "";
-                out.print("<varlistentry><term><option>");
-                for (String option : o.names) {
-                    out.print(sep + option);
-                    sep = ", ";
-                }
-                out.print("</option></term><listitem><para>");
-                out.print(o.description);
-                out.println("</para></listitem></varlistentry>");
-            }
-
-            spool(reader, out, "___END_OF_FILE___");
-            out.flush();
-        }
-
-        return wrt.toString();
-    }
-    
     protected List<Option> getOptionList() {
         return optionList;
     }