[arch-general] howto remove old package version

[Ralf Mardorf]

On Sat, 12 Nov 2016 20:04:05 -0500, Eli Schwartz via arch-general wrote:
>On 11/12/2016 07:56 PM, Ralf Mardorf wrote: 
>> Yes, if the upgrade should do it automatically.  
>
>That is the implication if ArchLinux ARM published a package update and
>then "reverted" it.

True. The package release "-3.1" is unusual, too [1].

FWIW the OP could run

# pacman -Syyuu

to automatically downgrade by an upgrade [2].

Regards,
Ralf

[1]
"In exceptional cases other formats can be found in use, such as
major.minor." - https://wiki.archlinux.org/index.php/PKGBUILD#pkgrel

[2]
[root at archlinux rocketmouse]# pacman -Syyuu
:: Synchronizing package databases...
 core                                      120.2 KiB   657K/s 00:00 [--------------------------------------] 100%
 extra                                    1756.0 KiB   699K/s 00:03 [--------------------------------------] 100%
 community                                   3.7 MiB   699K/s 00:05 [--------------------------------------] 100%
 multilib                                  184.2 KiB   700K/s 00:00 [--------------------------------------] 100%
 archaudio-production                        4.3 KiB  80.4K/s 00:00 [--------------------------------------] 100%
:: Starting full system upgrade...
warning: adwaita-icon-theme: ignoring package upgrade (3.18.0-1 => 3.22.0-1)
warning: clthreads: downgrading from version 2.4.0-5 to version 2.4.0-2
warning: gnome-themes-standard: ignoring package upgrade (3.18.0-1 => 3.22.2-1)
warning: gvfs: downgrading from version 2013.08.18-1 to version 1.30.2-1
warning: hunspell-en: ignoring package upgrade (7.1-3 => 2016.06.26-1)
warning: jack2: downgrading from version 1.9.10.r177.g7bdad49-1 to version 1.9.10-4
warning: libfishsound: downgrading from version 1.0.0-2 to version 1.0.0-1
warning: ignoring package replacement (mate-calc-1.8.0-2 => galculator-gtk2-2.1.4-2)
warning: meterbridge: downgrading from version 0.9.2-5 to version 0.9.2-1
warning: pulseaudio: downgrading from version 2013.08.18-1 to version 9.0-1
warning: wine-rt: downgrading from version 1.7.50-1 to version 1.7.45-1
resolving dependencies...
looking for conflicting packages...

Packages (17) ca-certificates-cacert-20140824-4  clthreads-2.4.0-2  clutter-gst-3.0.20+5+ga71607b-1
              geoclue2-2.4.4-2  graphite-1:1.3.9-1  gvfs-1.30.2-1  jack2-1.9.10-4  libfishsound-1.0.0-1
              libxkbcommon-0.7.0-1  libxkbcommon-x11-0.7.0-1  meterbridge-0.9.2-1  pulseaudio-9.0-1
              pynac-0.7.0-2  rtkit-0.11+6+g417bb7d-1  webrtc-audio-processing-0.3-1  wine-rt-1.7.45-1
              zstd-1.1.1-1

Total Download Size:    38.69 MiB
Total Installed Size:  342.38 MiB
Net Upgrade Size:      -18.00 MiB

:: Proceed with installation? [Y/n] n