Thank you Matthieu and Stephane,
I did not know about the :memory: option, that is very interesting.
For most testing I think I'd rather keep a persistent library (so I can
quickly test changes without having to import images again), so I will use
Stephane's suggestion. My "main" darktable install is also built from git
(at some point there was a feature I wanted that hadn't made it into the
Arch Linux package repos), but I trust the existing developers a bit more
than I trust myself monkeying with code I'm unfamiliar with. And I do run
backups before building a new version from the git repo. This "sandbox" is
mostly so I don't have to worry about backing up before every time I fiddle
with the code.
Regards,
Owen
On Mon, Feb 29, 2016 at 5:05 AM, Stéphane Gourichon <
stephane_darkta...@gourichon.org> wrote:
> Le 29/02/2016 06:50, Owen Mays a écrit :
>
> Hi all,
>
> I'd like to start contributing a bit (looking at bug/feature postings on
> the redmine page). Before I try anything, I want to make sure I'm not going
> to screw up my darktable install and image library by mistake.
>
> I know I can build a separate version (just specify a different target
> path when I run the build.sh script). But that version is opening the same
> image library as my "main" version of darktable. Is there anyway to set up
> a "sandboxed" version of darktable with its own separate image library to
> avoid the possibility of damaging my main library?
>
>
> *** (1) Calling a specific sandboxed install of dartkable from any
> environment
>
> There's a solution that you may like better than specifying :memory: if
> like me you want a real persistent library for your compiled version of
> darktable.
>
> I've been having for years a simple script for that, like this :
>
> #!/bin/bash
> DARKTABLE_INSTALL_ROOT=~/some_path_where_darktable_is_installed
> exec ~/${DARKTABLE_INSTALL_ROOT}/bin/darktable --library
> ~/${DARKTABLE_INSTALL_ROOT}/dtlib "$@"
>
> I put this script in in ~/bin/darktable-git
>
> Many distributions will automatically add ~/bin/ to your shell path if it
> exists (on login, so logout first if you just created it).
>
> You can even associate JPEG or RAW files (or even directories) to
> darktable_git to be able do open specific files with
>
>
>
> *** (2) Bonus: out-of-source build
>
> Building out of source is supported by darktable and I highly recommend
> it. (ref1
> <http://www.crashcourse.ca/wiki/index.php/Building_kernel_out_of_tree>
> ref2
> <http://voices.canonical.com/jussi.pakkanen/2013/04/16/why-you-should-consider-using-separate-build-directories/>
> ).
>
> Personally I adjust build.sh like this :
>
> INSTALL_PREFIX="../darktable.installtree"
> BUILD_DIR="../darktable.buildtree"
>
> then :
> * the source tree is kept pristine,
> * build tree can be whatever order (or even mess) the build systems wants
> it to be without any problem (it's big, you can even nuke it at any time
> and still run the program),
> * and "make install" installs everything in a clean hierarchy.
>
> Though I don't consider it proven, AFAIK combined with (1) running
> darktable like this cannot interfere with other (main) installation.
>
> Regards
>
> --
> Stéphane Gourichon
>
>
>
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