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authorLudovic Courtès <ludo@gnu.org>2013-01-22 22:13:10 +0100
committerLudovic Courtès <ludo@gnu.org>2013-01-22 22:14:25 +0100
commit5401dd7595f558e759c82b1dede0c2fb687f296b (patch)
tree0b04aa9805bc61d9e01676a634bf4572237e6cc2 /doc
parent476f8ea33ce3791dbe0c77332c92e4351827dcd5 (diff)
downloadguix-5401dd7595f558e759c82b1dede0c2fb687f296b.tar
guix-5401dd7595f558e759c82b1dede0c2fb687f296b.tar.gz
guix-build: Allow version-qualified package names.
* guix-build.in (guix-build)[find-package]: New procedure. Use it instead of using `find-packages-by-name' directly. Suggested by Andreas Enge <andreas@enge.fr>. * tests/guix-build.sh: Add tests. * doc/guix.texi (Invoking guix-build): Add `coreutils-8.20' as an example. Fix guile-1.8 example.
Diffstat (limited to 'doc')
-rw-r--r--doc/guix.texi7
1 files changed, 4 insertions, 3 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 88909c42a9..8b496308d7 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -989,8 +989,9 @@ guix-build @var{options} @var{package-or-derivation}@dots{}
@end example
@var{package-or-derivation} may be either the name of a package found in
-the software distribution such as @code{coreutils}, or a derivation such
-as @file{/nix/store/xxx-coreutils-8.19.drv}. Alternatively, the
+the software distribution such as @code{coreutils} or
+@code{coreutils-8.20}, or a derivation such as
+@file{/nix/store/@dots{}-coreutils-8.19.drv}. Alternatively, the
@code{--expression} option may be used to specify a Scheme expression
that evaluates to a package; this is useful when disambiguation among
several same-named packages or package variants is needed.
@@ -1003,7 +1004,7 @@ The @var{options} may be zero or more of the following:
@itemx -e @var{expr}
Build the package @var{expr} evaluates to.
-For example, @var{expr} may be @code{(@@ (distro packages guile)
+For example, @var{expr} may be @code{(@@ (gnu packages guile)
guile-1.8)}, which unambiguously designates this specific variant of
version 1.8 of Guile.