fix(nix): Use fallback pattern for nix profile sourcing#19
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devin-ai-integration[bot] wants to merge 3 commits intomasterfrom
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fix(nix): Use fallback pattern for nix profile sourcing#19devin-ai-integration[bot] wants to merge 3 commits intomasterfrom
devin-ai-integration[bot] wants to merge 3 commits intomasterfrom
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…_FILE_TEMPLATE The hardcoded path /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh doesn't exist in all Nix installations (e.g., Depot build containers with single-user Nix installs). Updated to try multiple possible locations in order: 1. /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh (multi-user daemon) 2. /nix/var/nix/profiles/default/etc/profile.d/nix.sh (determinate systems) 3. /etc/profile.d/nix.sh (system-wide) 4. /root/.nix-profile/etc/profile.d/nix.sh (single-user install) Co-Authored-By: Samuel Mitchell <sammiphone6@gmail.com>
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The previous fix only tried to source profile scripts, but if none exist (e.g., with --init none), nix would not be on PATH, causing exit code 127. This change: 1. Adds explicit PATH export for /nix/var/nix/profiles/default/bin 2. Keeps the profile sourcing loop as a fallback 3. Adds a command -v check to fail early with a clear error if nix is still not found Co-Authored-By: Samuel Mitchell <sammiphone6@gmail.com>
The previous fix only added /nix/var/nix/profiles/default/bin to PATH, but in single-user installs (--init none), nix might be at different locations. This change: 1. Adds all possible nix bin locations to PATH: - /nix/var/nix/profiles/default/bin - /root/.nix-profile/bin - /nix/var/nix/profiles/per-user/root/profile/bin 2. Makes the build self-healing: if nix is not found (cache eviction), reinstall it in the same RUN step 3. Adds diagnostic output on failure to help debug future issues Co-Authored-By: Samuel Mitchell <sammiphone6@gmail.com>
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Why are the changes needed?
The hardcoded path
/nix/var/nix/profiles/default/etc/profile.d/nix-daemon.shdoesn't exist in all Nix installations. Specifically, Depot build containers with single-user Nix installs fail with:This blocks all Flyte workflow submissions that use the
NIX_DOCKER_FILE_TEMPLATE.What changes were proposed in this pull request?
Updated the
NIX_DOCKER_FILE_TEMPLATEwith a robust approach to ensurenixis available:/nix/var/nix/profiles/default/binto PATH upfront, guaranteeingnixis available even if no profile scripts exist/nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh(multi-user daemon install)/nix/var/nix/profiles/default/etc/profile.d/nix.sh(determinate systems)/etc/profile.d/nix.sh(system-wide)/root/.nix-profile/etc/profile.d/nix.sh(single-user install)command -v nixto fail with a clear error message if nix is still not found after all attemptsUpdates since last revision
export PATH="/nix/var/nix/profiles/default/bin:$PATH"to guarantee nix availabilitycommand -v nixcheck to fail early with clear error instead of silently continuing (addresses the reviewer note from the previous revision)How was this patch tested?
This change is part of a broader fix across the exa-labs/monorepo (PR #11738) where the same pattern was applied to multiple Docker-related files. The pattern has been validated to work with the Determinate Systems Nix installer.
Human review checklist
&∧)$$PATHescaping is correct for Python string templates used in Dockerfilescommand -v nixcheck properly fails the build if nix is not foundCheck all the applicable boxes
Related PRs
Link to Devin run: https://app.devin.ai/sessions/3d935666f79d41a18baa4f71ad74689c
Requested by: Samuel Mitchell (@sammiphone6)