zsh autocompletion for -U option shows non-package files

[roussak]

$ pikaur -Vq
Pikaur v1.10.1.r66.g7cc87b9
Pacman v6.0.1 - libalpm v13.0.1 - pyalpm v0.10.6

Description:

pikaur's autocompletion for the zsh suggests non-package files for the -U option.

pacman suggests these files:

~/src/xorg-server $  sudo pacman -U xorg-server-<Tab key was pressed here>
completing package file
xorg-server-21.1.3-6.1-x86_64.pkg.tar.zst         xorg-server-xephyr-21.1.3-6.1-x86_64.pkg.tar.zst
xorg-server-common-21.1.3-6.1-x86_64.pkg.tar.zst  xorg-server-xnest-21.1.3-6.1-x86_64.pkg.tar.zst 
xorg-server-debug-21.1.3-6.1-x86_64.pkg.tar.zst   xorg-server-xvfb-21.1.3-6.1-x86_64.pkg.tar.zst  
xorg-server-devel-21.1.3-6.1-x86_64.pkg.tar.zst

while pikaur does the following:

~/src/xorg-server $  pikaur -U xorg-server-<Tab key was pressed here>
completing package file
xorg-server-21.1.3-6.1-x86_64.pkg.tar.zst         xorg-server-devel-21.1.3-6.1-x86_64.pkg.tar.zst 
xorg-server-21.1.3.tar.xz                         xorg-server-xephyr-21.1.3-6.1-x86_64.pkg.tar.zst
xorg-server-21.1.3.tar.xz.sig                     xorg-server-xnest-21.1.3-6.1-x86_64.pkg.tar.zst 
xorg-server-common-21.1.3-6.1-x86_64.pkg.tar.zst  xorg-server-xvfb-21.1.3-6.1-x86_64.pkg.tar.zst  
xorg-server-debug-21.1.3-6.1-x86_64.pkg.tar.zst