[fpc-pascal] Lazarus start problem after power outage on RPi4

[Mattias Gaertner]

On Mon, 24 Aug 2020 09:12:19 +0200
Bo Berglund via fpc-pascal <fpc-pascal at lists.freepascal.org> wrote:

> Tonight there was a power outage in my home where I have a RaspberryPi
> 4B development system with Lazarus 2.0.8 and Fpc 3.0.4.
> 
> When it happened the system was running including Lazarus.
> Now when I start Lazarus I get to a dialog saying:
> 
> -----------------------------------------------------------------
> Upgrade configuration
> THere is already a configuration from version prior to 2.0.8 in
> /home/pi/.lazarus_2.0.8
> The old configuration will be upgraded.
> If you want to use two different Lazarus versions you must
> start the second Lazarus with the command line parameter
> primary-config-path or pcp
> ....
> 
> [Abort]  [Upgrade]
> -----------------------------------------------------------------
> 
> Obviously my start desktop file for Lazarus specifies to use pcp as I
> have several versions of Lazarus installed.
> 
> In order not to break anything I used Abort and started checking the
> content of my config dir and comparing to another 2.0.8 version.
> 
> What I found is that there are 3 files in the problem dir that have
> suspicious timestamps/sizes:
> 
> -rw-r--r--  1 pi pi    306 Aug 24 03:59 EditorMacros.xml
> -rw-r--r--  1 pi pi      0 Jan  1  1970 environmentoptions.xml
> -rw-r--r--  1 pi pi   2883 Aug 24 03:59 inputhistory.xml
> 
> In the other Lazarus 2.0.8 config dir (set to use fpc 3.2) these files
> are as follows:
> 
> -rw-r--r--  1 pi pi   9735 Jun 21 17:13 environmentoptions.xml
> -rw-r--r--  1 pi pi    712 Jun 21 17:13 inputhistory.xml
> 
> EditorMacros.xml is missing in the other dir.
> 
> 
> What to do? It seems like the environmentoptions.xml got hosed in the
> power outage...
> 
> Can I copy this file from an RPi3B where I have installed the same
> versions of Lazarus and Fpc in the same file locations (I use the same
> install scripts on all RPi:s)?

Yes.
After start fix the paths in Tools / Options / Env. / Files to point to
the right fpc.

 
> I really do not want to lose any of what I worked on last night before
> I stopped at 00:31 after finally fixing a persistent bug.


Mattias