snapcraft packs full paths to the build location

[Björn Michaelsen]

Building and snapping LibreOffice as per:

https://git.launchpad.net/~bjoern-michaelsen/df-libreoffice/+git/libreoffice-snap-playground/tree/?h=xenial&id=61a7acbd2c71ce34eca0a8f4c221fa47104af002

packs paths like:

 /home/bjoern/checkouts/libreoffice-snap/....

into the final snap. While these can be manually removed, this prevents unattended builds. Also, snapcraft should IMHO never use/include the absolute path to the build location for anything in the final product.

[Björn Michaelsen (bjoern-michaelsen)]

This seems to be a Heisenbug. I cannot reproduce it every time, though it certainly happens[1].

I am not sure I have seen this on a build running through from start to finish. So this _might_ be something that only happens when restarting a partial build. (Which is not that uncommon for LibreOffice and because of its size one is less likely to throw away and start again for this hours long builds).

[1] see https://www.reddit.com/r/linux/comments/4ocwft/a_third_of_a_libreoffice_snap_lo_snap_size/d4bm2mw for a particulary embarrassing instance.