Relink don't rebuild: add a baseline, sound implementation that can be incrementally improved - #7

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hbrooks wants to merge 19 commits into

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demo/pr-155871

Commits on May 26, 2026

rdr: add RDRHashes field to CrateRoot
susitsm
committed
ab11219
rdr: add public_api_hash unstable option
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b4fc42e
derive HashStable for TargetModifier
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929cdff
derive HashStable for DeniedPartialMitigation
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a6df7f7
implement StableHash for TargetTuple
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1db310b
tidy: move TargetTuple to a new file
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committed
7449cb1
rdr: implement rmeta public api hash as the stable hash of (almost) all encoded data
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8648d71
Add public api hash debug logs
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dd45b49
rdr: elaborate on how EII-s should be included in the public api hash
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e8307ca
rdr: document the process of hashing new fields added to CrateRoot
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696b7ee
rdr: document hashed_lazy_array
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45c6313
rdr: hash spans as if they had no parents (spans are encoded into the rmeta without parents)
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d2239f5
rdr: add the public_api_hash query. Queries provided by rmeta now depend on public_api_hash instead of crate_hash
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2b753b0
rdr: add rustc_public_hash_unchanged and rustc_public_hash_changed attributes for testing
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1847bb3
rdr: add incremental test exercising rustc_public_hash_changed and rustc_public_hash_unchanged attributes
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5b5d9a2
rdr: use public_api_hash when hashing dependencies
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c028e69
rdr: use public_api_hash in the rmeta headers
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6e0772b
rdr: move the hashes to crate header, properly handle private and public hashes in the resolver
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fae19f4
rdr: add hash FIXME comments to LazyTables fields
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committed
49fdeb1

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Relink don't rebuild: add a baseline, sound implementation that can be incrementally improved - #7

Relink don't rebuild: add a baseline, sound implementation that can be incrementally improved#7
hbrooks wants to merge 19 commits into
mainfrom
demo/pr-155871

Commits on May 26, 2026

rdr: add RDRHashes field to CrateRoot

rdr: add public_api_hash unstable option

derive HashStable for TargetModifier

derive HashStable for DeniedPartialMitigation

implement StableHash for TargetTuple

tidy: move TargetTuple to a new file

rdr: implement rmeta public api hash as the stable hash of (almost) all encoded data

Add public api hash debug logs

rdr: elaborate on how EII-s should be included in the public api hash

rdr: document the process of hashing new fields added to CrateRoot

rdr: document hashed_lazy_array

rdr: hash spans as if they had no parents (spans are encoded into the rmeta without parents)

rdr: add the public_api_hash query. Queries provided by rmeta now depend on public_api_hash instead of crate_hash

rdr: add rustc_public_hash_unchanged and rustc_public_hash_changed attributes for testing

rdr: add incremental test exercising rustc_public_hash_changed and rustc_public_hash_unchanged attributes

rdr: use public_api_hash when hashing dependencies

rdr: use public_api_hash in the rmeta headers

rdr: move the hashes to crate header, properly handle private and public hashes in the resolver

rdr: add hash FIXME comments to LazyTables fields