makebuildserver: purge apt_package_cache feature

This is unmaintained, lightly used, a tangled mess, and can be replaced by
things like the vagrant-cachier plugin or #418

buildserver/Vagrantfile

@@ -12,8 +12,7 @@ end
 
 Vagrant.configure("2") do |config|
 
-  # these two caching methods conflict, so only use one at a time
+  if Vagrant.has_plugin?("vagrant-cachier")
-  if Vagrant.has_plugin?("vagrant-cachier") and not configfile.has_key? "aptcachedir"
     config.cache.scope = :box
     config.cache.auto_detect = false
     config.cache.enable :apt
@@ -77,12 +76,6 @@ Vagrant.configure("2") do |config|
   # necessary with 9p synced folders
   Dir.mkdir('cache') unless File.exists?('cache')
 
-  # cache .deb packages on the host via a mount trick
-  if configfile.has_key? "aptcachedir"
-    config.vm.synced_folder configfile["aptcachedir"], "/var/cache/apt/archives",
-      owner: 'root', group: 'root', create: true
-  end
-
   config.vm.provision "shell", name: "setup-env-vars", path: "setup-env-vars",
     args: ["/opt/android-sdk"]
   config.vm.provision "shell", name: "apt-get-install", path: "provision-apt-get-install",

examples/makebuildserver.config.py

@@ -32,13 +32,6 @@
 #
 # cachedir = 'buildserver/cache'
 
-# A big part of creating a new instance is downloading packages from Debian.
-# This setups up a folder in ~/.cache/fdroidserver to cache the downloaded
-# packages when rebuilding the build server from scratch.  This requires
-# that virtualbox-guest-utils is installed.
-#
-# apt_package_cache = True
-
 # The buildserver can use some local caches to speed up builds,
 # especially when the internet connection is slow and/or expensive.
 # If enabled, the buildserver setup will look for standard caches in

jenkins-setup-build-environment

@@ -69,7 +69,6 @@ fi
 cat <<EOF > $WORKSPACE/makebuildserver.config.py
 debian_mirror = 'http://deb.debian.org/debian/'
 boot_timeout = 1200
-apt_package_cache = True
 copy_caches_from_host = True
 memory = $memory
 cpus = $cpus

makebuildserver

@@ -77,7 +77,6 @@ BASEBOX_CHECKSUMS = {
 config = {
     'basebox': BASEBOX_DEFAULT,
     'debian_mirror': 'https://deb.debian.org/debian/',
-    'apt_package_cache': False,
     'copy_caches_from_host': False,
     'boot_timeout': 600,
     'cachedir': os.path.join(os.getenv('HOME'), '.cache', 'fdroidserver'),
@@ -121,18 +120,6 @@ if config['vm_provider'] == 'libvirt':
         tmp = os.path.dirname(tmp)
     logging.debug('cache dir %s is accessible for libvirt vm.', config['cachedir'])
 
-if config['apt_package_cache']:
-    config['aptcachedir'] = config['cachedir'] + '/apt/archives'
-    logging.debug('aptcachedir is set to %s', config['aptcachedir'])
-    aptcachelock = os.path.join(config['aptcachedir'], 'lock')
-    if os.path.isfile(aptcachelock):
-        logging.info('apt cache dir is locked, removing lock')
-        os.remove(aptcachelock)
-    aptcachepartial = os.path.join(config['aptcachedir'], 'partial')
-    if os.path.isdir(aptcachepartial):
-        logging.info('removing partial downloads from apt cache dir')
-        shutil.rmtree(aptcachepartial)
-
 CACHE_FILES = [
     ('https://services.gradle.org/distributions/gradle-6.8.3-bin.zip',
      '7faa7198769f872826c8ef4f1450f839ec27f0b4d5d1e51bade63667cbccd205'),