659202 – Warning "!!! You have no world file" occurs on empty world files

Bug 659202 - Warning "!!! You have no world file" occurs on empty world files

Summary: Warning "!!! You have no world file" occurs on empty world files

Status:	CONFIRMED

Alias:	None

Product:	Portage Development
Classification:	Unclassified
Component:	Core - Interface (emerge) (show other bugs)
Hardware:	All All

Importance:	Normal enhancement with 1 vote (vote)
Assignee:	Portage team

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Depends on:
Blocks:	144480
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Reported:	2018-06-26 04:28 UTC by Manuel Schmitt
Modified:	2018-09-08 22:45 UTC (History)
CC List:	2 users (show)

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Runtime testing required:	---

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Description Manuel Schmitt 2018-06-26 04:28:58 UTC

When doing an 

 emerge --depclean

it throws

  !!! You have no world file

if a world file is empty but existing.


I suggest to change the behaviour to the following:

1. If the world file is really missing, show the error as before
2. If the world file exists but is empty, do not show the error, maybe another informational warning


Background for my suggestion: Using empty world file is not uncommon when using profiles derived from Gentoo's profile while adding all relevant packages to a derived @system set (e.g. for keeping multiple servers in sync with custom profiles).