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| author | Ludovic Courtès <ludo@gnu.org> | 2016-06-16 00:06:27 +0200 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2016-06-16 09:34:32 +0200 |
| commit | 0687fc9cd98e38feab80e2f9c8044e77ad52c7fd (patch) | |
| tree | d7e4b82bb0325a433a0d6e5123297b9459291825 /doc/guix.texi | |
| parent | 07c8a98c3b45dca9fd36af7c4a300d3af58734dd (diff) | |
| download | guix-0687fc9cd98e38feab80e2f9c8044e77ad52c7fd.tar guix-0687fc9cd98e38feab80e2f9c8044e77ad52c7fd.tar.gz | |
gexp: Add #:select? parameter to 'local-file'.
* guix/gexp.scm (<local-file>)[select?]: New field.
(true): New procedure.
(%local-file): Add #:select? and honor it.
(local-file): Likewise.
* tests/gexp.scm ("local-file, #:select?"): New test.
* doc/guix.texi (G-Expressions): Adjust accordingly.
Diffstat (limited to 'doc/guix.texi')
| -rw-r--r-- | doc/guix.texi | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index f85221d065..227d861482 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -3804,7 +3804,7 @@ does not have any effect on what the G-expression does. content is directly passed as a string. @deffn {Scheme Procedure} local-file @var{file} [@var{name}] @ - [#:recursive? #f] + [#:recursive? #f] [#:select? (const #t)] Return an object representing local file @var{file} to add to the store; this object can be used in a gexp. If @var{file} is a relative file name, it is looked up relative to the source file where this form appears. @var{file} will be added to @@ -3814,6 +3814,11 @@ When @var{recursive?} is true, the contents of @var{file} are added recursively; designates a flat file and @var{recursive?} is true, its contents are added, and its permission bits are kept. +When @var{recursive?} is true, call @code{(@var{select?} @var{file} +@var{stat})} for each directory entry, where @var{file} is the entry's +absolute file name and @var{stat} is the result of @code{lstat}; exclude +entries for which @var{select?} does not return true. + This is the declarative counterpart of the @code{interned-file} monadic procedure (@pxref{The Store Monad, @code{interned-file}}). @end deffn |