Shorten output of packaging task

RoboFile.php

@@ -173,7 +173,7 @@ class RoboFile extends \Robo\Tasks {
         // name the generic release tarball
         $tarball = "arsse-$version.tar.gz";
         // generate the Debian changelog; this also validates our original changelog
-        $debianChangelog = changelogDebian(changelogParse(file_get_contents($dir."CHANGELOG"), $version), $version);
+        $debianChangelog = $this->changelogDebian($this->changelogParse(file_get_contents($dir."CHANGELOG"), $version), $version);
         // save commit description to VERSION file for use by packaging
         $t->addTask($this->taskWriteToFile($dir."VERSION")->text($version));
         // save the Debian changelog
@@ -185,9 +185,11 @@ class RoboFile extends \Robo\Tasks {
         // perform Composer installation in the temp location with dev dependencies
         $t->addTask($this->taskComposerInstall()->arg("-q")->dir($dir));
         // generate the manual
-        $t->addTask($this->taskExec(escapeshellarg($dir."robo")." manual")->dir($dir));
+        $t->addCode(function() {
+            return $this->manual(["-q"]);
+        });
         // perform Composer installation in the temp location for final output
-        $t->addTask($this->taskComposerInstall()->dir($dir)->noDev()->optimizeAutoloader()->arg("--no-scripts"));
+        $t->addTask($this->taskComposerInstall()->dir($dir)->noDev()->optimizeAutoloader()->arg("--no-scripts")->arg("-q"));
         // delete unwanted files
         $t->addTask($this->taskFilesystemStack()->remove([
             $dir.".git",
@@ -285,12 +287,7 @@ class RoboFile extends \Robo\Tasks {
         return $t->run();
     }
 
-    public function changelog() {
-        echo changelogDebian(changelogParse(file_get_contents("CHANGELOG"), "0.9.1-r26"), "0.9.1-r26");
-    }
-}
-
-function changelogParse(string $text, string $targetVersion): array {
+    protected function changelogParse(string $text, string $targetVersion): array {
         $lines = preg_split('/\r?\n/', $text);
         $version = "";
         $section = "";
@@ -366,7 +363,7 @@ function changelogParse(string $text, string $targetVersion): array {
         return $out;
     }
     
-function changelogDebian(array $log, string $targetVersion): string {
+    protected function changelogDebian(array $log, string $targetVersion): string {
         $latest = $log[0]['version'];
         $baseVersion = preg_replace('/^(\d+(?:\.\d+)*).*/', "$1", $targetVersion);
         if ($baseVersion !== $targetVersion && version_compare($latest, $baseVersion, ">")) {
@@ -401,3 +398,4 @@ function changelogDebian(array $log, string $targetVersion): string {
         }
         return $out;
     }
+}