[pacman-dev] Restore .pacsave file if present - WORK IN PROGRESS

[Allan McRae]

Hi,

In continuing to misjudge what would be an easy bug to fix I had an 
attempt at FS#8645 - Restore pacsaves on install [1]. The attached patch 
is a definite work in progress.

I have two queries:
1) Would it be better to notify the user of the restore or to query 
them.  Either way they will get a notification about the new file being 
installed to .pacsave.  I'm leaning on query here because that would 
allow the user to stop really old files being restored.
 
2) Should I worry about the case where a file used to be backed up but 
is not now.  This seems an edge case but would result in the file being 
restored then overwritten (I think.... I need to look at that further).

Cheers,
Allan

[1] http://bugs.archlinux.org/task/8645
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