Re: [pve-devel] [PATCH manager] api: apt: list_updates: fix dependency detection for virtual package

[Fabian Ebner <f.ebner@proxmox.com>]

Am 03.02.22 um 12:32 schrieb Fabian Ebner:
> A virtual package does not have SelectedState Install, but the
> dependency will still be satisfied if a package providing it has.
> 
> Fixes a bug, wrongly showing that postfix will be installed, when a
> different mail-transport-agent is installed and a pve-manager update
> is available:
> https://forum.proxmox.com/threads/103413/
> 

Turns out the same issue is present in PMG and PBS.. I guess the plan is
to move the rest of the APT stuff from PBS to proxmox-apt, fix it there
and re-use the proxmox-apt implementation everywhere.

> Signed-off-by: Fabian Ebner <f.ebner@proxmox.com>
> ---
> 
> Note for testers: the API call uses a cache.
> 
>  PVE/API2/APT.pm | 7 +++++++
>  1 file changed, 7 insertions(+)
> 
> diff --git a/PVE/API2/APT.pm b/PVE/API2/APT.pm
> index 5344f5e8..dcd87c37 100644
> --- a/PVE/API2/APT.pm
> +++ b/PVE/API2/APT.pm
> @@ -195,6 +195,13 @@ my $update_pve_pkgstatus = sub {
>  		for my $d (@$deps) {
>  		    if ($d->{DepType} eq 'Depends') {
>  			$found = $d->{TargetPkg}->{SelectedState} eq 'Install' if !$found;
> +			# need to check ProvidesList for virtual packages
> +			if (!$found && (my $provides = $d->{TargetPkg}->{ProvidesList})) {
> +			    for my $provide ($provides->@*) {
> +				$found = $provide->{OwnerPkg}->{SelectedState} eq 'Install';
> +				last if $found;
> +			    }
> +			}
>  			$req = $d->{TargetPkg} if !$req;
>  
>  			if (!($d->{CompType} & AptPkg::Dep::Or)) {