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| -rw-r--r-- | doc/guix.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/doc/guix.texi b/doc/guix.texi index 6b6f8dedae..faad3ad6bb 100644 --- a/doc/guix.texi +++ b/doc/guix.texi @@ -4210,6 +4210,14 @@ paths}. Derivations paths can be passed to the @code{build-derivations} procedure to perform the build actions they prescribe (@pxref{The Store}). +@cindex fixed-output derivations +Operations such as file downloads and version-control checkouts for +which the expected content hash is known in advance are modeled as +@dfn{fixed-output derivations}. Unlike regular derivations, the outputs +of a fixed-output derivation are independent of its inputs---e.g., a +source code download produces the same result regardless of the download +method and tools being used. + The @code{(guix derivations)} module provides a representation of derivations as Scheme objects, along with procedures to create and otherwise manipulate derivations. The lowest-level primitive to create |