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Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 36 |
1 files changed, 32 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index eb6eb99361..4658c6f5eb 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -28,7 +28,7 @@ Copyright @copyright{} 2014, 2015, 2016 Alex Kost@* Copyright @copyright{} 2015, 2016 Mathieu Lirzin@* Copyright @copyright{} 2014 Pierre-Antoine Rault@* Copyright @copyright{} 2015 Taylan Ulrich Bayırlı/Kammer@* -Copyright @copyright{} 2015, 2016, 2017, 2019 Leo Famulari@* +Copyright @copyright{} 2015, 2016, 2017, 2019, 2020 Leo Famulari@* Copyright @copyright{} 2015, 2016, 2017, 2018, 2019, 2020 Ricardo Wurmus@* Copyright @copyright{} 2016 Ben Woodcroft@* Copyright @copyright{} 2016, 2017, 2018 Chris Marusich@* @@ -3122,7 +3122,7 @@ the store. @itemx -A [@var{regexp}] List packages currently available in the distribution for this system (@pxref{GNU Distribution}). When @var{regexp} is specified, list only -installed packages whose name matches @var{regexp}. +available packages whose name matches @var{regexp}. For each package, print the following items separated by tabs: its name, its version string, the parts of the package (@pxref{Packages with @@ -8022,6 +8022,25 @@ the second case, the resulting script contains a @code{(string-append @dots{})} expression to construct the file name @emph{at run time}. @end deffn +@deffn {Scheme Syntax} with-parameters ((@var{parameter} @var{value}) @dots{}) @var{exp} +This macro is similar to the @code{parameterize} form for +dynamically-bound @dfn{parameters} (@pxref{Parameters,,, guile, GNU +Guile Reference Manual}). The key difference is that it takes effect +when the file-like object returned by @var{exp} is lowered to a +derivation or store item. + +A typical use of @code{with-parameters} is to force the system in effect +for a given object: + +@lisp +(with-parameters ((%current-system "i686-linux")) + coreutils) +@end lisp + +The example above returns an object that corresponds to the i686 build +of Coreutils, regardless of the current value of @code{%current-system}. +@end deffn + Of course, in addition to gexps embedded in ``host'' code, there are also modules containing build tools. To make it clear that they are @@ -10790,8 +10809,11 @@ guix weather @var{options}@dots{} [@var{packages}@dots{}] When @var{packages} is omitted, @command{guix weather} checks the availability of substitutes for @emph{all} the packages, or for those specified with @option{--manifest}; otherwise it only considers the specified packages. It -is also possible to query specific system types with @option{--system}. The -available options are listed below. +is also possible to query specific system types with @option{--system}. +@command{guix weather} exits with a non-zero code when the fraction of +available substitutes is below 100%. + +The available options are listed below. @table @code @item --substitute-urls=@var{urls} @@ -10811,6 +10833,9 @@ specified in @var{file}. @var{file} must contain a @dfn{manifest}, as with the @code{-m} option of @command{guix package} (@pxref{Invoking guix package}). +This option can be repeated several times, in which case the manifests +are concatenated. + @item --coverage[=@var{count}] @itemx -c [@var{count}] Report on substitute coverage for packages: list packages with at least @@ -10841,6 +10866,9 @@ likewise for @code{qgpgme} and the 46 packages that depend on it. If you are a Guix developer, or if you are taking care of this build farm, you'll probably want to have a closer look at these packages: they may simply fail to build. + +@item --display-missing +Display the list of store items for which substitutes are missing. @end table @node Invoking guix processes |