diff options
Diffstat (limited to 'doc/manual/expressions')
| -rw-r--r-- | doc/manual/expressions/simple-building-testing.xml | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/doc/manual/expressions/simple-building-testing.xml b/doc/manual/expressions/simple-building-testing.xml index e0dd98b7e67e..bd3901a13351 100644 --- a/doc/manual/expressions/simple-building-testing.xml +++ b/doc/manual/expressions/simple-building-testing.xml @@ -7,15 +7,14 @@ <title>Building and Testing</title> <para>You can now try to build Hello. Of course, you could do -<literal>nix-env -f pkgs/top-level/all-packages.nix -i hello</literal>, -but you may not want to install a possibly broken package just yet. -The best way to test the package is by using the command <command -linkend="sec-nix-build">nix-build</command>, which builds a Nix -expression and creates a symlink named <filename>result</filename> in -the current directory: +<literal>nix-env -i hello</literal>, but you may not want to install a +possibly broken package just yet. The best way to test the package is by +using the command <command linkend="sec-nix-build">nix-build</command>, +which builds a Nix expression and creates a symlink named +<filename>result</filename> in the current directory: <screen> -$ nix-build pkgs/top-level/all-packages.nix -A hello +$ nix-build -A hello building path `/nix/store/632d2b22514d...-hello-2.1.1' hello-2.1.1/ hello-2.1.1/intl/ @@ -29,8 +28,7 @@ $ ./result/bin/hello Hello, world!</screen> The <link linkend='opt-attr'><option>-A</option></link> option selects -the <literal>hello</literal> attribute from -<filename>all-packages.nix</filename>. This is faster than using the +the <literal>hello</literal> attribute. This is faster than using the symbolic package name specified by the <literal>name</literal> attribute (which also happens to be <literal>hello</literal>) and is unambiguous (there can be multiple packages with the symbolic name @@ -69,7 +67,7 @@ block (or perform other derivations if available) until the build finishes: <screen> -$ nix-build pkgs/top-level/all-packages.nix -A hello +$ nix-build -A hello waiting for lock on `/nix/store/0h5b7hp8d4hqfrw8igvx97x1xawrjnac-hello-2.1.1x'</screen> So it is always safe to run multiple instances of Nix in parallel |