diff options
Diffstat (limited to 'doc')
-rw-r--r-- | doc/guix.texi | 47 |
1 files changed, 45 insertions, 2 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 0facda5875..7dbfb661b0 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -3188,6 +3188,37 @@ bound to the @code{libreoffice} top-level attribute): @example guix import nix ~/path/to/nixpkgs libreoffice @end example + +@item hackage +@cindex hackage +Import meta-data from Haskell community's central package archive +@uref{https://hackage.haskell.org/, Hackage}. Information is taken from +Cabal files and includes all the relevant information, including package +dependencies. + +Specific command-line options are: + +@table @code +@item --no-test-dependencies +@itemx -t +Do not include dependencies only required to run the test suite. +@end table + +The command below imports meta-data for the latest version of the +@code{HTTP} Haskell package without including test dependencies: + +@example +guix import hackage -t HTTP +@end example + +A specific package version may optionally be specified by following the +package name by a hyphen and a version number as in the following example: + +@example +guix import hackage mtl-2.1.3.1 +@end example + +Currently only indentation structured Cabal files are supported. @end table The structure of the @command{guix import} code is modular. It would be @@ -4207,7 +4238,9 @@ command, from the same-named package. This relies on the @node User Accounts @subsection User Accounts -User accounts are specified with the @code{user-account} form: +User accounts and groups are entirely managed through the +@code{operating-system} declaration. They are specified with the +@code{user-account} and @code{user-group} forms: @example (user-account @@ -4221,6 +4254,14 @@ User accounts are specified with the @code{user-account} form: (home-directory "/home/alice")) @end example +When booting or upon completion of @command{guix system reconfigure}, +the system ensures that only the user accounts and groups specified in +the @code{operating-system} declaration exist, and with the specified +properties. Thus, account or group creations or modifications made by +directly invoking commands such as @command{useradd} are lost upon +reconfiguration or reboot. This ensures that the system remains exactly +as declared. + @deftp {Data Type} user-account Objects of this type represent user accounts. The following members may be specified: @@ -4260,7 +4301,9 @@ graphical login managers do not list them. @item @code{password} (default: @code{#f}) You would normally leave this field to @code{#f}, initialize user passwords as @code{root} with the @command{passwd} command, and then let -users change it with @command{passwd}. +users change it with @command{passwd}. Passwords set with +@command{passwd} are of course preserved across reboot and +reconfiguration. If you @emph{do} want to have a preset password for an account, then this field must contain the encrypted password, as a string. |