Bug#918654: libnvidia-egl-wayland1: file installation conflict with nvidia-egl-wayland-common

[Luca Boccassi]

Package: libnvidia-egl-wayland1
Version: 1:1.1.1-1
Severity: serious
Tags: patch

Dear Maintainer,

nvidia-egl-wayland-common in stable and libnvidia-egl-wayland1 in
unstable both install:

/usr/share/egl/egl_external_platform.d/10_nvidia_wayland.json

https://packages.debian.org/stretch/amd64/nvidia-egl-wayland-common/filelist
https://packages.debian.org/sid/amd64/libnvidia-egl-wayland1/filelist

But the latter does not declare a Conflicts+Replaces on the latter, so
upgrading fails:

$ sudo apt install libnvidia-egl-wayland1=1:1.1.1-1+b1
Reading package lists... Done
Building dependency tree       
Reading state information... Done
The following NEW packages will be installed:
  libnvidia-egl-wayland1
0 upgraded, 1 newly installed, 0 to remove and 2 not upgraded.
Need to get 0 B/18.0 kB of archives.
After this operation, 66.6 kB of additional disk space will be used.
Selecting previously unselected package libnvidia-egl-wayland1:amd64.
(Reading database ... 438463 files and directories currently installed.)
Preparing to unpack .../libnvidia-egl-wayland1_1%3a1.1.1-1+b1_amd64.deb ...
Unpacking libnvidia-egl-wayland1:amd64 (1:1.1.1-1+b1) ...
dpkg: error processing archive /var/cache/apt/archives/libnvidia-egl-wayland1_1%3a1.1.1-1+b1_amd64.deb (--unpack):
 trying to overwrite '/usr/share/egl/egl_external_platform.d/10_nvidia_wayland.json', which is also in package nvidia-egl-wayland-common 384.130-1
Errors were encountered while processing:
 /var/cache/apt/archives/libnvidia-egl-wayland1_1%3a1.1.1-1+b1_amd64.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)

Setting the severity to delay the migration to buster. The trivial fix
is provided on Salsa:

https://salsa.debian.org/debian/egl-wayland/merge_requests/1

-- 
Kind regards,
Luca Boccassi
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