Backports are only installed if you explicitly request them. (xenial-amd64)root@xenial:/# apt policy debhelper debhelper: Installed: (none) Candidate: 10ubuntu1 Version table: 10.2.2ubuntu1~ubuntu16.04.1 100 100 file:/srv/mirrors/ubuntu xenial-backports/main amd64 Packages 10ubuntu1 500 500 https://swift.canonistack.canonical.com/v1/AUTH_e8074875467b46b7ab3c41ac60ccfbe7/ubuntu xenial/main amd64 Packages 9.20160115ubuntu3 500 500 file:/srv/mirrors/ubuntu xenial/main amd64 Packages(xenial-amd64)root@xenial:/# apt install debhelper/xenial-backports (xenial-amd64)root@xenial:/# apt install debhelper/xenial-backports Reading package lists... Done Building dependency tree Reading state information... Done Selected version '10.2.2ubuntu1~ubuntu16.04.1' (Ubuntu:16.04/xenial-backports [all]) for 'debhelper' Suggested packages: dh-make The following packages will be upgraded: debhelper 1 upgraded, 0 newly installed, 0 to remove and 43 not upgraded. Need to get 0 B/743 kB of archives. After this operation, 10.2 kB of additional disk space will be used. Get:1 file:/srv/mirrors/ubuntu xenial-backports/main amd64 debhelper all 10.2.2ubuntu1~ubuntu16.04.1 [743 kB] (Reading database ... 17900 files and directories currently installed.) Preparing to unpack .../debhelper_10.2.2ubuntu1~ubuntu16.04.1_all.deb ... Unpacking debhelper (10.2.2ubuntu1~ubuntu16.04.1) over (10ubuntu1) ... Processing triggers for man-db (2.7.5-1) ... Not building database; man-db/auto-update is not 'true'. Setting up debhelper (10.2.2ubuntu1~ubuntu16.04.1) ...
You can see in this PPA build https://launchpadlibrarian.net/293685010/buildlog_ubuntu-xenial- amd64.hello_2.10-1ubuntu16.04.1_BUILDING.txt.gz that the debhelper from -backports is selected. ** Changed in: debhelper (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1642261 Title: debhelper (10.2.2ubuntu1~ubuntu16.04.1) published in xenial-backports but not available To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debhelper/+bug/1642261/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs