* Fix#63077
If the package is already installed the stdout is not as expected by this function. Either remove `--needed` or just noop if we detect pacman returning. We cannot match the stdout string, as that is most likely localized.
```
[root@archBook user]# /usr/bin/pacman --upgrade --noconfirm --noprogressbar --needed /srv/aur/src/i3cat-git/i3cat-git-r38.c6d29dd-1-x86_64.pkg.tar.xz
loading packages...
warning: i3cat-git-r38.c6d29dd-1 is up to date -- skipping
there is nothing to do
```
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Co-authored-by: Felix Fontein <felix@fontein.de>
