ci/cache: Collect garbage before pushes

Run retention cleanup before uploading build results so inode exhaustion cannot prevent CI from reaching its only garbage-collection step.
2026-08-24 22:55:44 +01:00
parent 92855606a4
commit 1a9c601c2b
3 changed files with 19 additions and 3 deletions
@@ -222,7 +222,9 @@ On pushes to `master`, this installs Determinate Nix on the runner (via
 Harmonia substituter as the boxes), runs `nix flake check --no-build`, then builds every attribute
 of `.#ci.x86_64-linux`: systems as `system-<name>`, homes as `home-<name>` (with `@` changed to
 `-at-`), packages as `package-<name>`, and the development `shell`. Each result is pushed to the
-Harmonia cache with [`ci/push-to-cache.sh`](../ci/push-to-cache.sh).
+Harmonia cache with [`ci/push-to-cache.sh`](../ci/push-to-cache.sh). Before the first push, the
+workflow collects cache paths older than its retention period so a full cache cannot prevent
+collection from being reached.

 It then builds `.#ciDrv.x86_64-linux`, a `linkFarm` of all CI attributes, and pushes it with
 `UPDATE_PROFILE=1`. That updates the `nixfiles` profile on the cache box and collects old paths