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| author | Ludovic Courtès <ludo@gnu.org> | 2013-01-27 17:58:46 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2013-01-27 17:58:46 +0100 |
| commit | 82fe08ed207a17c51370dc90e965c15ee9db9235 (patch) | |
| tree | f9a06dfc729e5ce0af5013fa1370b875b7e3014f /doc | |
| parent | d9307267b3b4a87391e33daacef162745f057c3d (diff) | |
| download | guix-82fe08ed207a17c51370dc90e965c15ee9db9235.tar guix-82fe08ed207a17c51370dc90e965c15ee9db9235.tar.gz | |
guix-package: Always use the next number for new generations.
Suggested by Andreas Enge <andreas@enge.fr> at
<http://lists.gnu.org/archive/html/bug-guix/2013-01/msg00325.html>.
* guix-package.in (latest-profile-number): Remove.
(switch-symlinks): New procedure.
(roll-back)[switch-link]: Use it.
(guix-package)[process-actions]: Always choose NUMBER + 1 for the new
profile. Use `switch-symlinks' instead of `symlink'. Remove code to
delete PROFILE when it exists since `switch-symlinks' has the same
effect.
* tests/guix-package.sh: Adjust existing `--roll-back' tests.
* doc/guix.texi (Invoking guix-package): Document this `--roll-back'
behavior.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/guix.texi | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 1385cd4532..52c992044b 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -514,6 +514,10 @@ installed packages, the profile is made to point to the @dfn{empty profile}, also known as @dfn{profile zero}---i.e., it contains no files apart from its own meta-data. +Installing, removing, or upgrading packages from a generation that has +been rolled back to overwrites previous future generations. Thus, the +history of a profile's generations is always linear. + @item --profile=@var{profile} @itemx -p @var{profile} Use @var{profile} instead of the user's default profile. |