part build-snaps channel change doesn't work without a clean

[jugmac00]

Bug Description

In my charmcraft.yaml file I updated the charm version via the build-snaps directive, and then a charmcraft pack but the changes were not reflected, ie no new charm version was installed.

Only when I ran charmcraft clean and another charmcraft pack it worked as intended and used the new charm version from the charmcraft.yaml configuration.

To Reproduce

• create a simple charmcraft.yaml with e.g. build-snaps: [charm/2.x/stable]
• run charmcraft pack (which creates a container)
• update charmcraft.yaml to build-snaps: [charm]
• run charmcraft pack
• the new charm version is not used

(I noticed that as I added an option which is only available with the new charm version).

Environment

• Ubuntu 20.04
• charmcraft -> version 2.3.0
• using lxd containers

charmcraft.yaml

see above

Relevant log output

none

[lengau]

Thanks for this report! This sounds like a bug in the craft-parts library so I'm going to transfer it over there and make a related bug for charmcraft to get the hotfix included

Relevant info: charmcraft 2.3.0 is using craft-parts 1.19.3