Re: [PATCH 0/1] Help wanted fixing a ruby-minitar bug

[Ludovic Courtès]

Leo Famulari <address@hidden> skribis:

> I tried using this patch to fix a bug in ruby-minitar, but the build
> fails as shown below. Any ideas?
>
> $ ./pre-inst-env guix build ruby-minitar
> The following derivations will be built:
>    /gnu/store/naprvm320mvzlhv4ciax0436qqm3r8zj-ruby-minitar-0.5.4.drv
>    /gnu/store/vz70g01wln7aflljz65yf425pppcgpjd-minitar-0.5.4.tar.xz.drv
> @ build-started 
> /gnu/store/vz70g01wln7aflljz65yf425pppcgpjd-minitar-0.5.4.tar.xz.drv - 
> x86_64-linux 
> /var/log/guix/drvs/vz//70g01wln7aflljz65yf425pppcgpjd-minitar-0.5.4.tar.xz.drv.bz2
> data.tar.gz
> metadata.gz
> source is under 'data.tar.gz'

[...]

>    ?: 0 [chdir "data.tar.gz"]

This is apparently a “tarbomb”: it unpacks more than one file in $PWD.
The ‘first-subdirectory’ procedure in gnu-build-system.scm is a bit
stupid and takes the first file in $PWD as the directory to cd to.

To work around that, use ‘url-fetch/tarbomb’.

HTH!

Ludo’.