Sparse lock files WIP - #579

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edolstra wants to merge 26 commits into

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Commits on Aug 5, 2026

Rename LockFile to LockFileV7 and move it to lockfile-v7.hh
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1ae081e
maintainers/format.sh: Allow running just one hook
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a23b4cc
Rename lockfile.{cc,hh} -> input-attr-path.{cc,hh}
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938e69b
Start making LockedFlake an abstract class
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2c02256
Move the version 7 lock algorithm out of the free lockFlake() function
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05cf555
Add LockedFlake::getSourcePath()
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7377422
Make call-flake.nix independent of the lock file format
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b06972a
Move Node/LockedNode/LockFileV7/LockedFlakeV7 into lockfile-v7.cc
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16335ed
lockfile-v7.cc: Move method definitions into the classes
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472b0f5
Document the semantics of parentInputAttrPath
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eb49bf0
Make LockFlags::inputUpdates an optional set
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5606148
libflake: Add lock-file-format setting
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ab8592c
Move unused override/update warnings from lockFlakeV7() into lockFlake()
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c74de77
libflake: Replace the per-version diff() methods with a generic diffLockedFlakes()
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e767770
Add 'nix flake diff-locks' command
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cb3daf5
libflake: Factor out the warnRegistry() function
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6ae378c
Make LockedFlake::visit() non-virtual
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51da5d1
LockedFlake: Require fully resolved paths in the query methods
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20f20a6
Add an EvalState parameter to the LockedFlake query methods
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1678bd4
LockedFlake::visit(): Work around a GCC internal compiler error
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98b0c43
libflake: Add the version 8 (sparse) lock file data model
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fbc2f7b
libflake: Implement the version 8 lock algorithm
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d050b86
lockFlake(): Dispatch on the lock file version
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4061fb1
lockfile-v8.cc: Clarify comment terminology
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9f747f8
libflake: Implement evaluation-time resolution for version 8 lock files
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431b73d
Add the lock-file-v8 experimental feature
edolstra
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7c555a9