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Diffstat (limited to 'doc/manual/glossary.xml')
| -rw-r--r-- | doc/manual/glossary.xml | 27 |
1 files changed, 24 insertions, 3 deletions
diff --git a/doc/manual/glossary.xml b/doc/manual/glossary.xml index 2c4f55c7e7f0..cf0da38245b1 100644 --- a/doc/manual/glossary.xml +++ b/doc/manual/glossary.xml @@ -3,10 +3,16 @@ <glosslist> -<glossentry><glossterm>derivation</glossterm> +<glossentry id="gloss-derivation"><glossterm>derivation</glossterm> <glossdef><para>A description of a build action. The result of a - derivation is a store object.</para></glossdef> + derivation is a store object. Derivations are typically specified + in Nix expressions using the <link + linkend="ssec-derivation"><function>derivation</function> + primitive</link>. These are translated into low-level + <emphasis>store derivations</emphasis> (implicitly by + <command>nix-env</command> and <command>nix-build</command>, or + explicitly by <command>nix-instantiate</command>).</para></glossdef> </glossentry> @@ -73,7 +79,22 @@ </glossentry> +<glossentry><glossterm>closure</glossterm> + + <glossdef><para>The closure of a store path is the set of store + paths that are directly or indirectly “reachable” from that store + path. For instance, if the store object at path + <varname>P</varname> contains a reference to path + <varname>Q</varname>, then <varname>Q</varname> is in the closure of + <varname>P</varname>. For correct deployment it is necessary to + deploy whole closures, since otherwise at runtime files could be + missing. The command <command>nix-store -qR</command> prints out + closures of store paths.</para></glossdef> + +</glossentry> + + </glosslist> -</appendix> \ No newline at end of file +</appendix> |