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Simplify ContentAddress

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Whereas `ContentAddressWithReferences` is a sum type complex because different
varieties support different notions of reference, and
`ContentAddressMethod` is a nested enum to support that,
`ContentAddress` can be a simple pair of a method and hash.

`ContentAddress` does not need to be a sum type on the outside because
the choice of method doesn't effect what type of hashes we can use.

Co-Authored-By: Cale Gibbard <cgibbard@gmail.com>
This commit is contained in:
John Ericson 2023-07-05 18:53:44 -04:00
parent 6db66ebfc5
commit 903700c5e1
20 changed files with 182 additions and 293 deletions
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16
src/libstore/binary-cache-store.cc
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@ -309,10 +309,8 @@ StorePath BinaryCacheStore::addToStoreFromDump(Source & dump, std::string_view n
*this,
name,
FixedOutputInfo {
.hash = {
.method = method,
.hash = nar.first,
},
.method = method,
.hash = nar.first,
.references = {
.others = references,
// caller is not capable of creating a self-reference, because this is content-addressed without modulus
@ -428,10 +426,8 @@ StorePath BinaryCacheStore::addToStore(
*this,
name,
FixedOutputInfo {
.hash = {
.method = method,
.hash = h,
},
.method = method,
.hash = h,
.references = {
.others = references,
// caller is not capable of creating a self-reference, because this is content-addressed without modulus
@ -465,8 +461,8 @@ StorePath BinaryCacheStore::addTextToStore(
*this,
std::string { name },
TextInfo {
{ .hash = textHash },
references,
.hash = textHash,
.references = references,
},
nar.first,
};