[ros-users] [Discourse.ros.org] [General] Announcing ROS Docker Images for ARM and Debian

[gavanderhoorn]

[quote="ruffsl, post:15, topic:2467, full:true"]
[quote="gavanderhoorn, post:14, topic:2467"]
Ive always wondered why that was/is done: earlier versions of packages arent retained in reprepro repositories, so wouldnt the Docker build just fail if the package isnt found anymore?
[/quote]

This was done intentionally for the official images just for that purpose.
[/quote]

Ok. Makes sense.

[quote="ruffsl, post:15, topic:2467, full:true"]
[quote="gavanderhoorn, post:14, topic:2467"]
Also: only the top-level metapackage is pinned right?
[/quote]

In the dockerfile for the official images, only the target application focused packages are pinned. There are sometimes other supporting packages installed, but are not necessarily pinned, e.g. `gnupg2`.
[/quote]

I was actually thinking of whether the metapackages themselves do any version pinning (as in: in their `Depends` fields). But that doesn't appear so. The current setup appears to work because the repositories don't retain any old packages.





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