Verified 1.1ubuntu1.18.04.7~16.04.2 in Xenial: root@x-uu-verify:~# apt update -qq 21 packages can be upgraded. Run 'apt list --upgradable' to see them. root@x-uu-verify:~# apt install git=1:2.7.4-0ubuntu1 Reading package lists... Done Building dependency tree Reading state information... Done The following package was automatically installed and is no longer required: libfreetype6 Use 'apt autoremove' to remove it. Suggested packages: git-daemon-run | git-daemon-sysvinit git-doc git-el git-email git-gui gitk gitweb git-arch git-cvs git-mediawiki git-svn The following packages will be DOWNGRADED: git 0 upgraded, 0 newly installed, 1 downgraded, 0 to remove and 21 not upgraded. Need to get 3,006 kB of archives. After this operation, 73.7 kB disk space will be freed. Do you want to continue? [Y/n] Get:1 http://archive.ubuntu.com/ubuntu xenial/main amd64 git amd64 1:2.7.4-0ubuntu1 [3,006 kB] Fetched 3,006 kB in 0s (13.0 MB/s) dpkg: warning: downgrading git from 1:2.7.4-0ubuntu1.6 to 1:2.7.4-0ubuntu1 (Reading database ... 25724 files and directories currently installed.) Preparing to unpack .../git_1%3a2.7.4-0ubuntu1_amd64.deb ... Unpacking git (1:2.7.4-0ubuntu1) over (1:2.7.4-0ubuntu1.6) ... Setting up git (1:2.7.4-0ubuntu1) ... root@x-uu-verify:~# mv /etc/bash_completion.d/git-prompt /etc/bash_completion.d/git-prompt.bak root@x-uu-verify:~# mkdir /etc/bash_completion.d/git-prompt root@x-uu-verify:~# unattended-upgrade --verbose --dry-run Initial blacklisted packages: Initial whitelisted packages: Starting unattended upgrades script Allowed origins are: ['o=Ubuntu,a=xenial', 'o=Ubuntu,a=xenial-security', 'o=UbuntuESM,a=xenial'] Traceback (most recent call last): File "/usr/bin/unattended-upgrade", line 1485, in main(options) File "/usr/bin/unattended-upgrade", line 1275, in main if conffile_prompt(item.destfile): File "/usr/bin/unattended-upgrade", line 671, in conffile_prompt with open(prefix + conf_file, 'rb') as fb: IsADirectoryError: [Errno 21] Is a directory: '/etc/bash_completion.d/git-prompt' root@x-uu-verify:~# vi /etc/apt/sources.list root@x-uu-verify:~# apt update -qq 30 packages can be upgraded. Run 'apt list --upgradable' to see them. root@x-uu-verify:~# apt install -y -qq unattended-upgrades The following package was automatically installed and is no longer required: libfreetype6 Use 'apt autoremove' to remove it. Suggested packages: bsd-mailx default-mta | mail-transport-agent needrestart The following packages will be upgraded: unattended-upgrades 1 upgraded, 0 newly installed, 0 to remove and 29 not upgraded. Need to get 40.1 kB of archives. After this operation, 69.6 kB of additional disk space will be used. Preconfiguring packages ... (Reading database ... 25723 files and directories currently installed.) Preparing to unpack .../unattended-upgrades_1.1ubuntu1.18.04.7~16.04.2_all.deb ... Unpacking unattended-upgrades (1.1ubuntu1.18.04.7~16.04.2) over (0.90ubuntu0.10) ... Processing triggers for man-db (2.7.5-1) ... Processing triggers for systemd (229-4ubuntu21.17) ... Processing triggers for ureadahead (0.100.0-19) ... Setting up unattended-upgrades (1.1ubuntu1.18.04.7~16.04.2) ... Installing new version of config file /etc/kernel/postinst.d/unattended-upgrades ... Installing new version of config file /etc/pm/sleep.d/10_unattended-upgrades-hibernate ... root@x-uu-verify:~# unattended-upgrade --verbose --dry-run Initial blacklisted packages: Initial whitelisted packages: Starting unattended upgrades script Allowed origins are: o=Ubuntu,a=xenial, o=Ubuntu,a=xenial-security, o=UbuntuESM,a=xenial Option --dry-run given, *not* performing real actions Packages that will be upgraded: busybox-initramfs busybox-static git libpolkit-agent-1-0 libpolkit-backend-1-0 libpolkit-gobject-1-0 ntfs-3g policykit-1 snapd ubuntu-core-launcher Writing dpkg log to /var/log/unattended-upgrades/unattended-upgrades-dpkg.log /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/git_1%3a2.7.4-0ubuntu1.6_amd64.deb /usr/bin/dpkg --status-fd 11 --configure git:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/libpolkit-backend-1-0_0.105-14.1ubuntu0.5_amd64.deb /usr/bin/dpkg --status-fd 11 --configure libpolkit-backend-1-0:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/busybox-initramfs_1%3a1.22.0-15ubuntu1.4_amd64.deb /usr/bin/dpkg --status-fd 11 --configure busybox-initramfs:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/libpolkit-agent-1-0_0.105-14.1ubuntu0.5_amd64.deb /usr/bin/dpkg --status-fd 11 --configure libpolkit-agent-1-0:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/ntfs-3g_1%3a2015.3.14AR.1-1ubuntu0.2_amd64.deb /usr/bin/dpkg --status-fd 11 --configure ntfs-3g:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/busybox-static_1%3a1.22.0-15ubuntu1.4_amd64.deb /usr/bin/dpkg --status-fd 11 --configure busybox-static:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/libpolkit-gobject-1-0_0.105-14.1ubuntu0.5_amd64.deb /usr/bin/dpkg --status-fd 11 --configure libpolkit-gobject-1-0:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/policykit-1_0.105-14.1ubuntu0.5_amd64.deb /usr/bin/dpkg --status-fd 11 --configure policykit-1:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending /usr/bin/dpkg --status-fd 9 --unpack --auto-deconfigure /var/cache/apt/archives/ubuntu-core-launcher_2.37.4ubuntu0.1_amd64.deb /var/cache/apt/archives/snapd_2.37.4ubuntu0.1_amd64.deb /usr/bin/dpkg --status-fd 11 --configure snapd:amd64 ubuntu-core-launcher:amd64 /usr/bin/dpkg --status-fd 13 --configure --pending All upgrades installed root@x-uu-verify:~#