fix(ci): pin which Nix Renovate's post-upgrade tasks use - #1107
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Renovate's Go dependency PRs fail their post-upgrade tasks with "error: experimental Nix feature 'nix-command' is disabled", so nix run .#tidy and nix run .#generate never refresh our vendor hashes or generated code. This entrypoint installs Nix from apt and configures it through /etc/nix/nix.conf. Renovate's Nix manager installs its own through containerbase whenever it updates flake.lock, and that one lands earlier on PATH and reads its config from containerbase's cache. This has always been possible but giving lock file maintenance a higher priority in crossplane#1096 moved those updates to the front of the run, where they now poison every post-upgrade task after them. This commit has the entrypoint publish a crossplane-nix launcher that pins both the binary and the config directory it reads, and points the post-upgrade tasks at it. RENOVATE_ALLOWED_COMMANDS no longer permits a bare nix, so a command still spelled that way fails on the allowlist instead of silently running against the wrong Nix. Signed-off-by: Jared Watts <jbw976@gmail.com>
phisco
approved these changes
Aug 5, 2026
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Description of your changes
This PR applies the same fix from crossplane/crossplane#7709 to crossplane-runtime, which has been verified to work OK for CC in crossplane/crossplane#7707 (comment).
I have:
./nix.sh flake checkto ensure this PR is ready for review.Added or updated unit tests.Linked a PR or a docs tracking issue to document this change.Addedbackport release-x.ylabels to auto-backport this PR.Need help with this checklist? See the cheat sheet.