forked from lix-project/lix
* Follow our own coding conventions.
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@ -43,10 +43,10 @@ is also available as <function>builtins.derivation</function>.</para>
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<listitem><para>Return the names of the attributes in the
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<listitem><para>Return the names of the attributes in the
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attribute set <replaceable>attrs</replaceable> in a sorted list.
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attribute set <replaceable>attrs</replaceable> in a sorted list.
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For instance, <literal>builtins.attrNames {y = 1; x =
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For instance, <literal>builtins.attrNames { y = 1; x = "foo";
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"foo";}</literal> evaluates to <literal>["x" "y"]</literal>.
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}</literal> evaluates to <literal>[ "x" "y" ]</literal>. There is
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There is no built-in function <function>attrValues</function>, but
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no built-in function <function>attrValues</function>, but you can
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you can easily define it yourself:
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easily define it yourself:
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<programlisting>
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<programlisting>
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attrValues = attrs: map (name: builtins.getAttr name attrs) (builtins.attrNames attrs);</programlisting>
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attrValues = attrs: map (name: builtins.getAttr name attrs) (builtins.attrNames attrs);</programlisting>
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@ -442,8 +442,8 @@ x: x + 456</programlisting>
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Example:
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Example:
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<programlisting>
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<programlisting>
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builtins.listToAttrs [
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builtins.listToAttrs
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{name = "foo"; value = 123;}
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[ { name = "foo"; value = 123; }
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{ name = "bar"; value = 456; }
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{ name = "bar"; value = 456; }
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]
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]
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</programlisting>
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</programlisting>
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@ -468,8 +468,8 @@ builtins.listToAttrs [
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<programlisting>
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<programlisting>
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map (x: "foo" + x) [ "bar" "bla" "abc" ]</programlisting>
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map (x: "foo" + x) [ "bar" "bla" "abc" ]</programlisting>
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evaluates to <literal>["foobar" "foobla"
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evaluates to <literal>[ "foobar" "foobla" "fooabc"
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"fooabc"]</literal>.</para></listitem>
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]</literal>.</para></listitem>
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</varlistentry>
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</varlistentry>
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@ -493,8 +493,8 @@ map (x: "foo" + x) ["bar" "bla" "abc"]</programlisting>
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version is everything following that dash. The result is returned
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version is everything following that dash. The result is returned
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in an attribute set <literal>{ name, version }</literal>. Thus,
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in an attribute set <literal>{ name, version }</literal>. Thus,
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<literal>builtins.parseDrvName "nix-0.12pre12876"</literal>
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<literal>builtins.parseDrvName "nix-0.12pre12876"</literal>
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returns <literal>{name = "nix"; version =
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returns <literal>{ name = "nix"; version = "0.12pre12876";
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"0.12pre12876";}</literal>.</para></listitem>
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}</literal>.</para></listitem>
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</varlistentry>
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</varlistentry>
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@ -891,11 +891,8 @@ propagate attributes). This can be shortened using the
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<literal>inherit</literal> keyword. For instance,
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<literal>inherit</literal> keyword. For instance,
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<programlisting>
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<programlisting>
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let
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let x = 123; in
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x = 123;
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{ inherit x;
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in
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{
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inherit x;
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y = 456;
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y = 456;
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}</programlisting>
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}</programlisting>
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@ -1482,14 +1479,13 @@ allowedReferences = [];
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to know. The value of this attribute should be a list of pairs
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to know. The value of this attribute should be a list of pairs
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<literal>[ <replaceable>name1</replaceable>
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<literal>[ <replaceable>name1</replaceable>
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<replaceable>path1</replaceable> <replaceable>name2</replaceable>
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<replaceable>path1</replaceable> <replaceable>name2</replaceable>
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<replaceable>path2</replaceable>
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<replaceable>path2</replaceable> <replaceable>...</replaceable>
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<replaceable>...</replaceable>]</literal>. The references graph
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]</literal>. The references graph of each
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of each <replaceable>pathN</replaceable> will be stored in a text
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<replaceable>pathN</replaceable> will be stored in a text file
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file <replaceable>nameN</replaceable> in the temporary build
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<replaceable>nameN</replaceable> in the temporary build directory.
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directory. The text files have the format used by
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The text files have the format used by <command>nix-store
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<command>nix-store --register-validity</command> (with the deriver
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--register-validity</command> (with the deriver fields left
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fields left empty). For example, when the following derivation is
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empty). For example, when the following derivation is built:
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built:
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<programlisting>
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<programlisting>
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derivation {
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derivation {
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