brice@waegenei.re writes:

> First we go back to our failing build² and have a look in its log⁷. At the
> end of it there is 2 failing tests t/backup_exec/backup_exec.t and
> t/cmd-post_pre-exec/cmd-post_pre-exec.t. That's what we need to repair or
> disable. Now we need to build it locally and inspect it more in depth, we
> do that with “guix build rsnapshot --keep-failed --no-offload” and
> obviously it fail as expected and guix guide us to the build directory
> “/tmp/guix-build-rsnapshot-1.4.4.drv-1”.
>
> To find out why thoses 2 tests ae failing we are gonna run them manually.
> We change directory to
> “/tmp/guix-build-rsnapshot-1.4.4.drv-0/rsnapshot-1.4.4” the failed build
> and find the build “rsnapshot“ program in it but it's not executable, so we
> make it so “chmod +x rsnapshot”. Then we inspect the build tests

Hi Brice.  May thanks for this excellent walk-through, I followed the
steps locally here to learn, hoping my next problem follows the same
pattern.

/Simon