Disable xdebug all the time

Use travis_wait to avoid travis timeout on `composer up`
Jump to `memory_limit -1` for `composer up`
Also, since composer.lock is ignored, we can remove it.

.travis.yml

@@ -39,12 +39,13 @@ branches:
         - v2
 
 before_script:
-    - composer self-update
+    - if [[ $TRAVIS_PHP_VERSION != hhvm ]]; then echo "memory_limit=-1" >> ~/.phpenv/versions/$(phpenv version-name)/etc/conf.d/travis.ini; fi;
+    - if [[ $TRAVIS_PHP_VERSION != hhvm ]]; then phpenv config-rm xdebug.ini; fi;
+    - composer self-update --no-progress
     - if [ -n "$GH_TOKEN" ]; then composer config github-oauth.github.com ${GH_TOKEN}; fi;
-    # disable xdebug since we don't use code-coverage for now
-    - if [[ $TRAVIS_PHP_VERSION != '5.6' && $TRAVIS_PHP_VERSION != 'hhvm' && $TRAVIS_PHP_VERSION != '7.0' ]]; then phpenv config-rm xdebug.ini; fi
     - if [[ "$DB" = "pgsql" ]]; then psql -c 'create database wallabag;' -U postgres; fi;
 
 script:
+    - travis_wait composer update --no-interaction --no-progress
     - ant prepare-$DB
     - bin/phpunit -v

build.xml

@@ -1,22 +1,14 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project name="wallabag" default="build">
-    <target name="build" depends="clean,composer,prepare,phpunit"/>
-    <target name="prepare-mysql" depends="clean,composer,db_mysql,prepare"/>
-    <target name="prepare-sqlite" depends="clean,composer,db_sqlite,prepare"/>
-    <target name="prepare-pgsql" depends="clean,composer,db_pgsql,prepare"/>
+    <target name="build" depends="clean,prepare,phpunit"/>
+    <target name="prepare-mysql" depends="clean,db_mysql,prepare"/>
+    <target name="prepare-sqlite" depends="clean,db_sqlite,prepare"/>
+    <target name="prepare-pgsql" depends="clean,db_pgsql,prepare"/>
 
     <target name="clean" description="Cleanup build artifacts">
         <delete dir="${basedir}/var/cache"/>
     </target>
 
-    <target name="composer" description="Install deps using Composer">
-        <exec executable="composer">
-            <arg value="up"/>
-            <arg value="--no-interaction"/>
-            <arg value="--no-progress"/>
-        </exec>
-    </target>
-
     <target name="prepare" description="Prepare for build">
         <exec executable="php">
             <arg value="${basedir}/bin/console"/>