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Author SHA1 Message Date
Ben Radford
c712369ec5 Document remount-hook store parameter. 2023-08-01 12:48:02 +01:00
Ben Radford
c409a753db Fix new lines in comment. 2023-08-01 12:48:02 +01:00
Ben Radford
1255866e16 Update src/libstore/local-overlay-store.hh 
Co-authored-by: John Ericson <git@JohnEricson.me>
 2023-08-01 12:48:02 +01:00
Ben Radford
6a8de4c9dc Avoid enumerating entire overlay store dir upfront. 
As an optimisation for LocalStore, we read all the store directory entries into
a set. Checking for membership of this set is much faster than a stat syscall.
However for LocalOverlayStore, the lower store directory is expected to contain
a vast number of entries and reading them all can take a very long time.

So instead of enumerating them all upfront, we call pathExists as needed. This
means making stat syscalls for each store path, but the upper layer is expected
to be relatively small compared to the lower store so that should be okay.
 2023-08-01 12:48:02 +01:00
Ben Radford
50ce8d15eb Preparatory refactor of LocalStore::verifyStore. 2023-08-01 12:48:02 +01:00
John Ericson
31112fd26f
Merge pull request #10 from NixLayeredStore/delete 
Fix and test deleting when lower store references
 2023-07-26 12:45:30 -04:00
John Ericson
621bdbdb31 Merge branch 'overlayfs-store' into delete 2023-07-26 12:01:08 -04:00
Ben Radford
c2d54496a0 Forgot to check flag and early out. 2023-07-26 16:01:20 +01:00
Ben Radford
3a9fe1a085 Made remountRequired atomic to avoid concurrency issues. 2023-07-26 16:01:20 +01:00
Ben Radford
ca1a108dad Update tests/overlay-local-store/remount.sh 
Co-authored-by: John Ericson <git@JohnEricson.me>
 2023-07-26 16:01:20 +01:00
Ben Radford
5744a500d6 Use debug instead of writing directly to stderr. 2023-07-26 16:01:20 +01:00
Ben Radford
6da05c0a11 Rename test to delete-duplicate. 2023-07-26 16:01:20 +01:00
Ben Radford
ed14286924 Invoke remount-hook program when necessary. 2023-07-26 16:01:20 +01:00
Ben Radford
33ebae75ca Reuse deletion logic for optimiseStore and rename method. 2023-07-26 16:01:20 +01:00
Ben Radford
11c493f8fa Avoid creating whiteout for duplicate store paths. 2023-07-26 16:01:20 +01:00
Ben Radford
cc6f8aa91a Test that delete works for duplicate file edge case. 2023-07-26 16:01:20 +01:00
Ben Radford
d9688ba708 Add new remount-hook store parameter. 2023-07-26 16:01:20 +01:00
John Ericson
b0877ad3c9 Give test a more specific name 2023-07-26 09:50:31 -04:00
John Ericson
07b34edc44 Fix deletion test 
Lower layer references are ignored for deleting just in the upper layer.
 2023-07-25 18:09:02 -04:00
John Ericson
19c43c5d78 Write test for deleting objects referenced from below 
Currently fails, as expected.
 2023-07-25 18:09:02 -04:00
John Ericson
a1a7f3156d
Merge pull request #9 from NixLayeredStore/gc 
Add a GC test, fix hardlinking issue
 2023-07-25 11:44:45 -04:00
John Ericson
9ef0a9e8aa Fix hard linking issue causing overlay fs copy-ups 2023-07-25 10:28:11 -04:00
John Ericson
83e703e7a8 Merge branch 'overlayfs-store' into gc 2023-07-25 09:55:31 -04:00
John Ericson
272cfd6aed Merge branch 'overlayfs-store' of github.com:NixLayeredStore/nix into overlayfs-store 2023-07-25 09:54:50 -04:00
John Ericson
73a55e4005 Merge remote-tracking branch 'layered-store/overlayfs-store' into gc 2023-07-25 09:48:06 -04:00
Ben Radford
497464f494
Extend verify test to check that repair is supported. 2023-07-25 13:33:37 +01:00
John Ericson
3731208dc1 Adopt GC test for local-overlay store 
Doesn't yet pass. Fixes are needed.
 2023-07-24 18:14:12 -04:00
John Ericson
0e595a52a3 Remove trailing whitespace 2023-07-24 15:39:59 -04:00
John Ericson
2cabf85b53 Merge remote-tracking branch 'upstream/master' into overlayfs-store 2023-07-24 15:39:36 -04:00
Eelco Dolstra
e6784f0ca6
Merge pull request #8734 from NixOS/release-notes 
2.17 release notes
 2023-07-24 18:07:43 +02:00
Eelco Dolstra
c51be0345e Release notes 2023-07-24 17:19:31 +02:00
John Ericson
40c77f3514
Merge pull request #8243 from obsidiansystems/indirect-root-store 
Refactor `Store` hierarchy with a new `IndirectRootStore` interface
 2023-07-24 10:03:34 -04:00
John Ericson
60d8dd7aea Clean up store hierarchy with IndirectRootStore 
See the API doc comments for details.
 2023-07-24 09:19:44 -04:00
John Ericson
13269ba93b Make RemoteStore::ConnectionHandle part of class and expose 
Will need to do subclass-specific implementations in the next commit.
This isn't because there will be multiple variations of the daemon
protocol (whew!) but because different clients pick and choose different
parts to use.
 2023-07-24 09:17:01 -04:00
John Ericson
0a30b07277 Move Store::Params typedef to StoreConfig::Params 
This is because `StoreConfig` also uses it.
 2023-07-24 09:03:44 -04:00
John Ericson
4685c9b55f
Merge pull request #8664 from ncfavier/merge-dynamic-attrs 
parser: merge nested dynamic attributes
 2023-07-23 11:03:38 -04:00
Naïm Favier
570a1a3ad7
parser: merge nested dynamic attributes 
Fixes https://github.com/NixOS/nix/issues/7115
 2023-07-21 17:14:03 +02:00
John Ericson
fe1fbdb5a1
Merge pull request #8724 from obsidiansystems/queryPartialDerivationOutputMap-evalStore 
Give `queryPartialDerivationOutputMap` an `evalStore` parameter
 2023-07-21 08:53:18 -04:00
Eelco Dolstra
7ac24d9525
Merge pull request #8650 from obsidiansystems/content-address-simpler 
Simplify `ContentAddress`
 2023-07-21 13:46:53 +02:00
John Ericson
6bc98c7fba Give queryPartialDerivationOutputMap an evalStore parameter 
This makes it more useful. In general, the derivation will be in one
store, and the realisation info is in another.

This also helps us avoid duplication. See how `resolveDerivedPath` is
now simpler because it uses `queryPartialDerivationOutputMap`. In #8369
we get more flavors of derived path, and need more code to resolve them
all, and this problem only gets worse.

The fact that we need a new method to deal with the multiple dispatch is
unfortunate, but this generally relates to the fact that `Store` is a
sub-par interface, too bulky/unwieldy and conflating separate concerns.
Solving that is out of scope of this PR.

This is part of the RFC 92 work. See tracking issue #6316
 2023-07-20 15:59:52 -04:00
John Ericson
f62543fe1c Remove unneeded copy 
It appeared in 8eb73a8724 (by me!) without
justification.
 2023-07-20 15:42:06 -04:00
John Ericson
7b30293d38 Tighten #includes: DerivedPath doesn't care about Realisation 2023-07-20 15:42:06 -04:00
Valentin Gagarin
85d0eb6316
fix broken links (#8722) 2023-07-20 17:58:14 +02:00
John Ericson
ae0eb7424f
Merge pull request #8 from NixLayeredStore/overlayfs-store-more-tests 
Implement deduplication and add more test cases
 2023-07-20 11:55:31 -04:00
Eelco Dolstra
ab363cd494
Merge pull request #8723 from fricklerhandwerk/doc-constants 
revert anchor prefix for builtin constants
 2023-07-20 17:13:07 +02:00
Ben Radford
2fc00ec19f
Fix unbound variable error in optimise test. 2023-07-20 11:27:41 +01:00
Ben Radford
2c66a093e0
Define storeBRoot variable distinct from storeB URI. 2023-07-20 11:03:41 +01:00
Ben Radford
878c84d5ee
Fix errors about NIX_STORE_DIR being unset. 2023-07-20 10:42:40 +01:00
Ben Radford
9769a0ae7d
Ensure all overlay tests use new tmpfs store paths. 2023-07-20 10:42:40 +01:00
Ben Radford
7fda19e2f1
Mount tmpfs first to ensure overlayfs works consistently. 2023-07-20 10:42:40 +01:00