bug#26730: [PATCH] Fix bzip2 utilities

[Marius Bakke]

Christopher Baines <address@hidden> writes:

> The bzip2 package includes wrappers around diff, grep and less/more.
> These shell scripts currently include /usr/bin (and sometimes /bin) on
> the PATH, and therefore fail if any of the commands that they rely on
> cannot be found.
>
> By substituting /usr/bin (and /bin) for the appropriate package paths,
> these scripts work much more reliably.

Most of these dependencies are available in environments where the bz*
tools will be executed. I think it would be better to simply remove the
absolute /usr/bin and /bin references such that grep, sed etc
invocations are picked up from PATH instead.

The "xz*" equivalent tools seem to do that. The rationale being that
bzip2 is often needed early in bootstrapping, and adding those inputs
would complicate the dependency tree. Although I admittedly haven't
looked at how bzip2 is used in Guix bootstrap. Thoughts?

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