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authorLudovic Courtès <ludo@gnu.org>2019-06-23 11:28:29 +0200
committerLudovic Courtès <ludo@gnu.org>2019-06-27 11:14:41 +0200
commit5cf4b26d52bcea382d98fb4becce89be9ee37b55 (patch)
tree6d2f162534db09910bf9ff103210a7eec6b8eee1 /tests/cache.scm
parenta25006198690dc263ce1b13de6733055c6d6eba4 (diff)
downloadguix-5cf4b26d52bcea382d98fb4becce89be9ee37b55.tar.gz
guix-5cf4b26d52bcea382d98fb4becce89be9ee37b55.zip
derivations: <derivation-input> now aggregates a <derivation>.
Consequently, the whole graph of <derivation> object is readily available without having to go through 'read-derivation-from-file', which could have cache misses if the requested <derivation> object had been GC'd in the meantime. This is an important property for the performance of things like 'derivation-build-plan' that traverse the derivation graph. * guix/derivations.scm (<derivation-input>): Replace 'path' field by 'derivation'. (derivation-input-path): Adjust accordingly. (derivation-input-key): New procedure. (derivation-input-output-paths): Adjust accordingly. (coalesce-duplicate-inputs): Likewise. (derivation-prerequisites): Use 'derivation-input-key' to compute keys for INPUT-SET. (derivation-build-plan): Likewise. (read-derivation): Add optional 'read-derivation-from-file' parameter. [make-input-drvs]: Call it. (write-derivation)[write-input]: Adjust to new <derivation-input>. (derivation/masked-inputs): Likewise, and remove redundant 'coalesce-duplicate-inputs' call. (derivation)[input->derivation-input]: Change to consider only the derivation case. Update call to 'make-derivation-input'. [input->source]: New procedure. Separate sources from inputs. (map-derivation): Adjust to new <derivation-input>. * tests/derivations.scm ("parse & export"): Pass a second argument to 'read-derivation'. ("build-expression->derivation and derivation-prerequisites") ("derivation-prerequisites and valid-derivation-input?"): Adjust to new <derivation-input>.
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