Re: [Gramps-users] Restoring database from a mixed backup

[Gerhard K. <ge...@ki...>]

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Am 29.04.2014 08:52, schrieb Jerome:

> $ gunzip < data.gramps > data.xml $ gunzip < backup.gramps >
> backup.xml $ diff -u backup.xml data.xml > diff.patch
> 
> You can try to generate a new 'merged' .gramps file, then to import
> its content into a new database.

I was a bit too quick in dismissing this.

What I am doing now is almost the same, here's a bit more verbose way
of telling it:

1) import the old, full backup into gramps

2) export it again as XML

3) create a diff in between the full and the partial XML backup

Now I had a diff of about 5.5MB from a full backup of 10 MB and a
partial backup of 6MB.

The diff had almost 130k loc.
It has over 2000 hunks of changes.

I was able so split this patch file up into individual hunks, using
splitpatch.

I was then able to automatically discard those hunks that only had
removals of lines, ie removing data that wasn't in the partial backup.

I had to go through the rest of hunks manually and edit some of them.

This process is not finished yet, I still have 273 hunks to look at.

I am confident, that I will be able to restore my database from the
resulting XML file.

Then I'll devise a backup mechanism for the database, anybody got
suggestions?

Cheers,
Gerhard


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