silverwind 360f34d7fa ci: bound seeded Go cache size and speed up disk cleanup (#38048) ...

Reduces the CI cache growth and disk pressure behind the flaky `No space
left on device` failures in
https://github.com/go-gitea/gitea/issues/37974.

**`go-cache`** — the cache-seeder saved with a `restore-keys` prefix
fallback, so every `go.sum` change restored the previous cache and
re-saved the union; old module versions and stale build objects
accumulated (~3 GB → ~7 GB) and overflowed disk on smaller runners. Drop
`restore-keys` from the seeder **save** branches so each `go.sum` seeds
a clean, size-bounded cache. PR runs keep `restore-keys` for warm-start
fallback.

**`free-disk-space`** — delete the unused preinstalled toolchains in
parallel (~86 s → ~54 s) and log `df -h /` before/after.

Measured during review: the hosted `ubuntu-latest` fleet is
heterogeneous — most runners have ~89 GB free on `/` (a full pgsql
integration shard peaks at ~17 GB used), but a minority arrive nearly
full and fail mid cache-restore. The toolchain deletion is the headroom
that keeps those runners green, so it stays; the cache bound shrinks the
footprint for every runner.

Authored with assistance from Claude (Opus 4.8).

---------

Signed-off-by: silverwind <me@silverwind.io>
Co-authored-by: bircni <bircni@icloud.com>

2026-06-11 10:48:05 +00:00

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action.yml

ci: bound seeded Go cache size and speed up disk cleanup (#38048)

2026-06-11 10:48:05 +00:00