linkmauve changed the title Print a nicer error when failing to create xdg directories Print a nicer error when failing to create the cache directory

cruessler pushed a commit to cruessler/gitui that referenced this pull request

…#2728)

Same as in 1d22485 for the config
directory, when the cache directory fails to get created for whichever
reason, we currently exit gitui with a pretty undescriptive error.

Improves on gitui-org#2684.
Fixes gitui-org#2652.