GNU Guixguix source archive branch, master, updated. v0.7-512-gabc5b82

[Alex Kost]

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commit abc5b82971c1ab74c3e7df87bb1a49f63502f922
Author: Alex Kost <address@hidden>
Date:   Fri Oct 10 23:29:24 2014 +0400

    emacs: Allow list functions to deal with nil values.
    
    * emacs/guix-list.el (guix-list-get-tabulated-entry): Call functions 
returning
      column value even for nil values.
      (guix-list-get-one-line): Adjust for accepting nil argument.

commit b3bb82f1542ec0805b87305482829102f2faaa92
Author: Alex Kost <address@hidden>
Date:   Fri Oct 10 17:58:43 2014 +0400

    guix package: Add '--switch-generation' option.
    
    * guix/scripts/package.scm (switch-to-generation): New procedure.
      (switch-to-previous-generation): Use it.
      (guix-package): Adjust for '--switch-generation' option.
    * tests/guix-package.sh: Test it.
    * doc/guix.texi (Invoking guix package): Document it.

commit 3ccde087528cc04ef5275224ca6123b68e075e3c
Author: Alex Kost <address@hidden>
Date:   Fri Oct 10 17:56:59 2014 +0400

    profiles: Add 'relative-generation'.
    
    * guix/profiles.scm: (relative-generation): New procedure.
      (previous-generation-number): Use it.

commit c0c018f1805d8410ffb1bc2abb1295ebbe55c38b
Author: Alex Kost <address@hidden>
Date:   Wed Oct 8 17:29:01 2014 +0400

    profiles: Add condition types for profiles and generations.
    
    Suggested by Ludovic Courtès.
    
    * guix/profiles.scm (&profile-error, &profile-not-found-error,
      &missing-generation-error): New condition types.
    * guix/ui.scm (call-with-error-handling): Handle new types.
    * guix/scripts/package.scm (roll-back, guix-package): Raise
      '&profile-not-found-error' where needed.

-----------------------------------------------------------------------

Summary of changes:
 doc/guix.texi            |   15 +++++++++
 emacs/guix-list.el       |   11 ++++--
 guix/profiles.scm        |   56 ++++++++++++++++++++++++++++-----
 guix/scripts/package.scm |   79 +++++++++++++++++++++++++++++++++++-----------
 guix/ui.scm              |    8 +++++
 tests/guix-package.sh    |   12 ++++++-
 6 files changed, 149 insertions(+), 32 deletions(-)


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