build: force purging of sudo, ignore error message

Fixes bb758d3f, spotted by @bubu:
DEBUG: buildserver > DEBUG: > sudo apt-get -y purge sudo
DEBUG: buildserver > Reading package lists...
DEBUG: buildserver > Building dependency tree...
DEBUG: buildserver > Reading state information...
DEBUG: buildserver > The following packages will be REMOVED:
DEBUG: buildserver >   sudo*
DEBUG: buildserver > 0 upgraded, 0 newly installed, 1 to remove and 0 not upgraded.
DEBUG: buildserver > After this operation, 2,391 kB disk space will be freed.
(Reading database ... 68491 files and directories currently installed.)
DEBUG: buildserver > Removing sudo (1.8.10p3-1+deb8u4) ...
DEBUG: buildserver > You have asked that the sudo package be removed,
DEBUG: buildserver > but no root password has been set.
DEBUG: buildserver > Without sudo, you may not be able to gain administrative privileges.
DEBUG: buildserver >
DEBUG: buildserver > If you would prefer to access the root account with su(1)
DEBUG: buildserver > or by logging in directly,
DEBUG: buildserver > you must set a root password with "sudo passwd".
DEBUG: buildserver >
DEBUG: buildserver > If you have arranged other means to access the root account,
DEBUG: buildserver > and you are sure this is what you want,
DEBUG: buildserver > you may bypass this check by setting an environment variable
DEBUG: buildserver > (export SUDO_FORCE_REMOVE=yes).
DEBUG: buildserver >
DEBUG: buildserver > Refusing to remove sudo.
DEBUG: buildserver > dpkg: error processing package sudo (--purge):
DEBUG: buildserver >  subprocess installed pre-removal script returned error exit status 1
DEBUG: buildserver > Errors were encountered while processing:
DEBUG: buildserver >  sudo
DEBUG: buildserver > E: Sub-process /usr/bin/dpkg returned an error code (1)

diff --git a/fdroidserver/build.py b/fdroidserver/build.py
index e2866fbd37c946a6ff5349fff4ebbad6239e1b59..d4f500057f85a63e70a1d1efb8d4c689d6273d17 100644 (file)
--- a/fdroidserver/build.py
+++ b/fdroidserver/build.py
@@ -414,7 +414,12 @@ def build_local(app, build, vcs, build_dir, output_dir, log_dir, srclib_dir, ext
                 raise BuildException("Error running sudo command for %s:%s" %
                                      (app.id, build.versionName), p.output)
 
-        p = FDroidPopen(['sudo', 'apt-get', '-y', 'purge', 'sudo'])
+        p = FDroidPopen(['sudo', 'passwd', '--lock', 'root'])
+        if p.returncode != 0:
+            raise BuildException("Error locking root account for %s:%s" %
+                                 (app.id, build.versionName), p.output)
+
+        p = FDroidPopen(['sudo', 'SUDO_FORCE_REMOVE=yes', 'apt-get', '-y', 'purge', 'sudo'])
         if p.returncode != 0:
             raise BuildException("Error removing sudo for %s:%s" %
                                  (app.id, build.versionName), p.output)