fix: resolve background job cancellation and improve context error propagation by kalbasit · Pull Request #1017 · kalbasit/ncps

kalbasit · 2026-03-02T01:11:54Z

This fix addresses the "context canceled" errors occurring during
database transactions in the cache component. Previously, background
download jobs for narinfo and nar files incorrectly used the request
context. If a client disconnected or a timeout occurred, the request
context would be canceled, directly affecting the background caching
jobs and preventing artifacts from being stored.

Changes:

Detached context from the request for background download jobs using
context.WithoutCancel.
Refactored selectUpstream to correctly propagate context cancellation
errors instead of defaulting to storage.ErrNotFound.
Updated GetNarInfo and GetNar to handle client context cancellation
independently from the background jobs they wait on.
Added a reproduction test case
TestIssue990_BackgroundJobContextCancellation to
pkg/cache/cache_test.go.

fixes #990

kalbasit · 2026-03-02T01:12:08Z

fix: resolve background job cancellation and improve context error propagation #1017 👈 (View in Graphite)
main

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gemini-code-assist · 2026-03-02T01:12:09Z

Summary of Changes

Hello, I'm Gemini Code Assist¹! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request resolves critical issues where client-initiated context cancellations were prematurely terminating essential background caching operations. By isolating the context used for background downloads and improving error propagation in upstream selection, the system can now reliably store artifacts even when client requests time out or disconnect.

Highlights

Background Job Context Isolation: Background download jobs for narinfo and nar files now use "context.WithoutCancel" to prevent client request cancellations from affecting their execution.
Context Error Propagation: The "selectUpstream" function was refactored to correctly propagate context cancellation errors, avoiding default "storage.ErrNotFound" in such cases.
Client Context Handling: "GetNarInfo" and "GetNar" were updated to handle client context cancellations independently, ensuring background jobs can complete even if the client disconnects.
New Test Case: A new test, "TestIssue990_BackgroundJobContextCancellation", was added to reproduce and verify the fix for background job context cancellation.

Changelog

pkg/cache/cache.go
- Modified "GetNarInfo" to explicitly check for "ctx.Done()" before waiting on "ds.done", returning "ctx.Err()" if the client context is canceled.
- Changed "prePullNarInfo" to pass "context.WithoutCancel(ctx)" to "coordinateDownload" and "pullNarInfo", ensuring background operations are not canceled by the client's context.
- Added a "return ds" statement in "coordinateDownload" when "coordCtx.Done()" is received, ensuring the download state is returned upon caller context cancellation.
- Introduced "defer cancel()" in "selectUpstream" to ensure the context's cancel function is always called.
- Updated "selectUpstream" to handle "ctx.Done()" by returning "errors.Join(ctx.Err(), errs)" and to correctly process channel closure ("!ok") for upstream caches.
pkg/cache/cache_test.go
- Added "TestIssue990_BackgroundJobContextCancellation" to simulate a slow upstream download and a client context cancellation, asserting that the background job still completes and stores the narinfo.

Activity

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dosubot · 2026-03-02T01:14:06Z

Related Documentation

Checked 7 published document(s) in 1 knowledge base(s). No updates required.

^{How did I do? Any feedback?}

gemini-code-assist

Code Review

This pull request correctly addresses issues with background job cancellation by detaching the job's context from the request's context using context.WithoutCancel. The changes to selectUpstream properly handle context cancellation and prevent a resource leak by adding a deferred call to cancel. The new test case effectively validates that background jobs continue to completion even after the client's context is canceled. The implementation appears solid and addresses the described problem.

codecov · 2026-03-02T01:21:57Z

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 5.04%. Comparing base (1825402) to head (3789f00).

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #1017   +/-   ##
=====================================
  Coverage   5.04%   5.04%           
=====================================
  Files          6       6           
  Lines        436     436           
=====================================
  Hits          22      22           
  Misses       410     410           
  Partials       4       4

☔ View full report in Codecov by Sentry.
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gepbird · 2026-03-02T08:54:46Z

Before this PR I ran nixpkgs-review pr 494320 --build-args="--store $(mktemp -d) --substituters https://nix-cache.tchfoo.com" 3 times and got many 500 responses from nginx in front of ncps as expected, so I believe this is a consistent enough reproducer.

I applied this patch on top of 0.8.6. The end results didn't change unfortunately and 3/3 times I got a flood of 500 errors :(
Most error logs have the message "error fetching narinfo from database: error beginning a transaction for getNarInfoFromDatabase: context canceled", full logs filtered by containing error: Logs-2026-03-02 09_52_20.txt

Note: for the first time build failed for me on aarch64-linux, worked for the second time:

ncps> ---------------------------------------------------
ncps> ✅ MinIO configured for S3 integration tests
ncps> 🚀 Starting MariaDB for integration tests...
ncps> ⏳ Waiting for MariaDB to be ready...
ncps> ❌ MariaDB failed to start
ncps> 🛑 Stopping MinIO...
ncps> ✅ MinIO stopped and cleaned up
ncps> 🛑 Stopping MariaDB...
ncps> ✅ MariaDB stopped and cleaned up
ncps> 🛑 Stopping PostgreSQL...
ncps> ✅ PostgreSQL stopped and cleaned up
ncps> 🛑 Stopping Redis...
ncps> ✅ Redis stopped and cleaned up

…opagation This fix addresses the "context canceled" errors occurring during database transactions in the cache component. Previously, background download jobs for narinfo and nar files incorrectly used the request context. If a client disconnected or a timeout occurred, the request context would be canceled, directly affecting the background caching jobs and preventing artifacts from being stored. Changes: - Detached context from the request for background download jobs using context.WithoutCancel. - Refactored selectUpstream to correctly propagate context cancellation errors instead of defaulting to storage.ErrNotFound. - Updated GetNarInfo and GetNar to handle client context cancellation independently from the background jobs they wait on. - Added a reproduction test case TestIssue990_BackgroundJobContextCancellation to pkg/cache/cache_test.go.

kalbasit · 2026-03-05T00:22:08Z

@gepbird you're using sqlite database and local lock correct? That's what I see in your config.

Weird I can't replicate running it locally with your setup on this branch.

Isolated command I generated from your PR

./dev-scripts/nix-isolated-build.py \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ani-cli \
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  github:gepbird/nixpkgs/bump/pnpm/10.29.2#renovate \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#satisfactorymodmanager \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#sharedown \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#sharkey \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#shira \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#shira.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#shoko-webui \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#shopify-cli \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#signal-desktop \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#simple-live-app \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#simple-live-app.debug \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#simple-live-app.pubcache \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#slidev-cli \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#somafm-cli \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#splayer \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#spotdl \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#spotdl.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#stoat-desktop \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#sub-store \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#sub-store-frontend \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#subtitleedit \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#svelte-check \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#svelte-language-server \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#switchfin \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#szurubooru.server \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#szurubooru.server.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#tartube-yt-dlp \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#tartube-yt-dlp.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#teleport_17 \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#teleport_17.client \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#tests.home-assistant-component-tests.media_extractor \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#tomato-c \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#tsx \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#tuba \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#turborepo-remote-cache \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#typespec \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#umami \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#varia \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vencord \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vencord-web-extension \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vesktop \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vidcutter \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vidcutter.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#video-downloader \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vikunja \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vikunja-desktop \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vscode-extensions.eamodio.gitlens \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vscode-extensions.kilocode.kilo-code \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vscode-extensions.rooveterinaryinc.roo-cline \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#vue-language-server \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#webcord-vencord \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#woodpecker-server \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#wtwitch \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#yewtube \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#yewtube.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#youtube-tui \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytcc \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytcc.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytdl-sub \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytdl-sub.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytdownloader \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytfzf \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytmdl \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytmdl.dist \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#ytui-music \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#zenn-cli \
  github:gepbird/nixpkgs/bump/pnpm/10.29.2#zulip

kalbasit · 2026-03-05T00:31:35Z

@gepbird can you try again with the latest version of the pr?

gepbird · 2026-03-05T09:48:30Z

@gepbird you're using sqlite database and local lock correct? That's what I see in your config.

Yes, I have /var/lib/ncps/db/db.sqlite, I'm not sure about where is the lock (or it only appears when the database is being used at the moment?), in that folder I don't see other files like a lock/WAL, but I didn't change the defaults or messed with /var/lib/ncps.

Weird I can't replicate running it locally with your setup on this branch.

Can you replicate it with my ncps instance behind nginx, https://nix-cache.tchfoo.com? It's on a 24/7 online RPI5, feel free to stress it. If so, you can give me a timespan when you tested it and I can send the logs, if it helps.

Isolated command I generated from your PR
./dev-scripts/nix-isolated-build.py github:gepbird/nixpkgs/bump/pnpm/10.29.2#ani-cli ...

Can you share this script? I can't find it on main or this PR.
Also, that tag on my fork is deleted, so let's use a commit from NixOS/nixpkgs.

I could reproduce it with this script

TEMP_NIX_STORE="$(mktemp -d)"

nix run github:NixOS/nixpkgs/00c21e4c93d963c50d4c0c89bfa84ed6e0694df2#lixPackageSets.stable.lix -- \
  --store "$TEMP_NIX_STORE" \
  --extra-substituters "" \
  --refresh \
  --substituters "https://nix-cache.tchfoo.com" \
  build \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#ani-cli \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#anime-downloader \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#anime-downloader.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#apache-answer \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#astro-language-server \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#authelia \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#auto-editor \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#autobrr \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#bash-language-server \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#bilibili-tui \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#botamusique \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#bumpp \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#castero \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#castero.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#catt \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#catt.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#cdxgen \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#celluloid \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#changelogen \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#cine \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#clapper \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#clapper-enhancers \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#claude-code-router \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#concurrently \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#conventional-changelog-cli \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#cplay-ng \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#cplay-ng.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#cspell \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#curseradio \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#curseradio.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#delfin \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#dep-scan \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#dep-scan.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#dmlive \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#dra-cla \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#e-search \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#en-croissant \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#equicord \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#fedistar \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#feishin \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#ff2mpv \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#ff2mpv-go \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#filebrowser \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#folo \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#froide \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#froide-govplan \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#froide-govplan.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#froide.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gale \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gallery-dl \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gallery-dl.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#ghostfolio \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gitea \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gitea.data \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gitify \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gitlab-duo \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#goaway \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gonic \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gophertube \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gpodder \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gtk-pipe-viewer \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#gtk-pipe-viewer.devdoc \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#haruna \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#heroic \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#heroic-unwrapped \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#home-assistant-custom-lovelace-modules.custom-sidebar \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#home-assistant-custom-lovelace-modules.kiosk-mode \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#homepage-dashboard \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#homer \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#hydrus \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#hydrus.doc \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#hypnotix \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#immich \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#immich-cli \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#invidtui \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#jellyfin-mpv-shim \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#jellyfin-mpv-shim.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#jellyfin-tui \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#jellytui \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#jftui \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.audiotube \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.audiotube.debug \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.audiotube.dev \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.audiotube.devtools \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.kalarm \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.kalarm.debug \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.kalarm.dev \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.kalarm.devtools \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.plasmatube \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.plasmatube.debug \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.plasmatube.dev \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kdePackages.plasmatube.devtools \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kikoplay \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#klipperscreen \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#kodiPackages.sendtokodi \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#legcord \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#linkwarden \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#linux-wallpaperengine \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#liquidsoap \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#lollypop \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#memento \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#memos \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#metacubexd \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mgrep \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#minitube \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#monophony \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#monophony.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#moodle-dl \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#moodle-dl.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#moonlight \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mov-cli \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mov-cli.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mpc-qt \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mpv \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mpv-handler \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mpvScripts.mpv-playlistmanager \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#mpvpaper \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#ni \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#nrm \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#oxfmt \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#paperless-ngx \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#paperless-ngx.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#parabolic \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#parrot \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#pear-desktop \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#peertube \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#peertube.cli \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#peertube.runner \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#persepolis \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#photoqt \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#picgo \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#pinchflat \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#pipe-viewer \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#pipe-viewer.devdoc \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#pipeline \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#plex-mpv-shim \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#plex-mpv-shim.dist \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#pocket-id \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#podman-desktop \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#postcss \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#previewqt \
  github:NixOS/nixpkgs/76e155c9f99ec7ed80606379f167134284e381ff#prisma_6 \
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sudo rm -rf "$TEMP_NIX_STORE"

@gepbird can you try again with the latest version of the pr?

Sure! Unfortunately this doesn't cleanly apply as a patch to v0.8.6, so I'm switching the source to this PR. In the process I got runtime errors from the service about xz missing. I see package has changed a bit in nixpkgs, so first I'll update to nixos-unstable and then continue trying your new changes.

dosubot bot added size:M This PR changes 30-99 lines, ignoring generated files. bug Something isn't working go Pull requests that update go code labels Mar 2, 2026

kalbasit mentioned this pull request Mar 2, 2026

Network errors with ncps behind nginx #990

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gemini-code-assist bot reviewed Mar 2, 2026

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treat context canceled errors gracefully

3789f00

kalbasit force-pushed the 03-01-fix_resolve_background_job_cancellation_and_improve_context_error_propagation branch from 7e1a87c to 3789f00 Compare March 5, 2026 00:30

dosubot bot added size:L This PR changes 100-499 lines, ignoring generated files. and removed size:M This PR changes 30-99 lines, ignoring generated files. labels Mar 5, 2026

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fix: resolve background job cancellation and improve context error propagation#1017

fix: resolve background job cancellation and improve context error propagation#1017
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