bootstrap-tools-linux: Qualify packages with multiple outputs#14792
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vcunat merged 2 commits intoNixOS:masterfrom Apr 18, 2016
groxxda:fix/bootstrap-tools-linux
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bootstrap-tools-linux: Qualify packages with multiple outputs#14792vcunat merged 2 commits intoNixOS:masterfrom groxxda:fix/bootstrap-tools-linux
vcunat merged 2 commits intoNixOS:masterfrom
groxxda:fix/bootstrap-tools-linux
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... by qualifying packages with multiple outputs
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Jan 5, 2026
- **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues --- Diff: NixOS/nix@2.32.4...2.32.5
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Jan 5, 2026
# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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Jan 8, 2026
# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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Jan 9, 2026
# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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Jan 10, 2026
# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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Jan 11, 2026
# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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Jan 12, 2026
# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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Jan 14, 2026
# Changelog: Nix 2.32.5 ## Bug Fixes ### Critical Crashes Fixed - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) Fixed a daemon segfault that could occur under high build load. The issue was caused by the `initialOutputs` field referencing data from an activation frame that had gone out of scope during coroutine tail-call optimization in the build scheduler. - **Fix segfault when querying non-existent derivation files** ([NixOS#14571](NixOS/nix#14571), [NixOS#14572](NixOS/nix#14572)) Running `nix derivation show /nix/store/...-doesnotexist.drv` would crash with a segfault. Now properly returns an "invalid store path" error. - **Fix RestrictedStore::addDependency crash** ([NixOS#14729](NixOS/nix#14729)) Fixed a crash caused by incorrect non-virtual interface pattern implementation that led to bad recursion/UB in `addDependencyPrep`. ### Regressions Fixed - **Fix "dynamic attributes not allowed in let" regression** ([NixOS#14642](NixOS/nix#14642), [NixOS#14646](NixOS/nix#14646)) Expressions like `let a = 1; "b" = 2; ${"c"} = 3; in [ a b c ]` that worked in 2.30 would incorrectly fail in 2.32.x. This was caused by the ExprString arena optimization, which has been reverted. - **Fix fetchGit with `ref = "HEAD"` regression** ([NixOS#13948](NixOS/nix#13948), [NixOS#14672](NixOS/nix#14672)) `fetchGit { url = "..."; ref = "HEAD"; }` was broken and returned "revspec 'HEAD' not found". - **Fix unnecessary substituter queries** ([NixOS#14836](NixOS/nix#14836), [NixOS#14837](NixOS/nix#14837)) Fixed a regression where Nix would query all substituters (including `cache.nixos.org`) even when a higher-priority local substituter already had the path. This caused unnecessary network traffic. ### Platform-Specific Fixes - **Fix curl with c-ares failing DNS resolution in macOS sandbox** ([NixOS#14792](NixOS/nix#14792)) When curl is built with c-ares (as in recent nixpkgs), DNS resolution would fail inside the Nix build sandbox on macOS with "Could not contact DNS servers". ### Store & File System Fixes - **Fix file system race conditions in store optimization** ([NixOS#14676](NixOS/nix#14676), [NixOS#7273](NixOS/nix#7273)) Multiple fixes to `optimizePath_`: - Actually call `remove()` when `rename()` fails - Propagate error codes in `createSymlink()` - Make `AutoDelete` non-copyable and non-movable to prevent use-after-free ## Improvements - **Include path in world-writable error messages** ([NixOS#14785](NixOS/nix#14785)) The error message for world-writable directory checks now includes the specific path that failed, making debugging easier. - **Documentation: correct `build-dir` error information** ([NixOS#14745](NixOS/nix#14745)) Fixed out-of-date information in the manual about `build-dir` errors and added links to relevant settings. ## Maintenance - CI improvements: added `upload-release.yml` workflow, improved Docker push workflow configurability, updated magic-nix-cache with post-build-hook fix - Documented maintainer git tag signing process - Fixed lowdown override compatibility with newer nixpkgs - Removed mdbook-linkcheck and added support for mdbook 0.5.x - Remove static data from headers to fix compilation issues - **Fix heap-use-after-free crash under high build load** ([NixOS#14772](NixOS/nix#14772)) --- Diff: NixOS/nix@2.32.4...2.32.5
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Things done
nix-build --option build-use-chroot trueor nix.useChroot on NixOS)nix-shell -p nox --run "nox-review wip"./result/bin/) (only tests)nix-build . -A stdenvBootstrapTools.x86_64-linuxFails currently on Hydra.
I added the output selector for every package with multiple outputs, not only for gcc/glib where it was missing.
The tests kept failing because of tar being built with acl and neither libacl nor libattr is copied. So I added a minimal tar version without acl.