branch master updated (2279e3e604 -> a4bed14c43)

[guix-commits]

apteryx pushed a change to branch master
in repository guix.

    from 2279e3e604 gnu: Add texlive-scheme-tetex.
     new 2884abb3df refresh: Add --target-version option.
     new a4bed14c43 gnu: Add dnstracer.

The 2 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 doc/guix.texi               | 20 ++++++++++++++++++++
 gnu/packages/networking.scm | 36 ++++++++++++++++++++++++++++++++++++
 guix/scripts/refresh.scm    | 31 +++++++++++++++++++++++--------
 tests/guix-refresh.sh       |  7 +++++++
 4 files changed, 86 insertions(+), 8 deletions(-)