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Disable cache-aware actions throughout release workflows - #21196
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Release jobs can consume shared GitHub caches when an action's cache defaults change. Set `ACTIONS_CACHE_MODE: none` in `release.yml` and every reusable workflow it calls so compatible clients skip cache reads and writes. Each reusable workflow needs its own setting because workflow-level environment variables are not inherited by called workflows. CI calls to those shared workflows use the same setting. This does not revoke cache credentials. The pinned `[email protected]` does not honor the variable, so the explicit client opt-outs in #4317 remain necessary. Unrelated workflows and artifact transfers are unchanged. Port of astral-sh/uv#21196. Co-authored-by: Zanie Blue <[email protected]>
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Release jobs can consume shared GitHub caches when an action's cache defaults change. Set `ACTIONS_CACHE_MODE: none` in `release.yml` and every reusable workflow it calls so compatible clients skip cache reads and writes. Each reusable workflow needs its own setting because workflow-level environment variables are not inherited by called workflows. CI calls to those shared workflows use the same setting. This does not revoke cache credentials. The pinned `[email protected]` and `[email protected]` do not honor the variable, so the explicit client opt-outs in #27846 remain necessary. Unrelated workflows and artifact transfers are unchanged. Port of astral-sh/uv#21196. Co-authored-by: Zanie Blue <[email protected]>
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Trusted release actions must not accidentally restore a poisoned shared GitHub cache. Set
ACTIONS_CACHE_MODE: noneinrelease.ymland each reusable workflow it calls so clients that support the variable skip cache reads and writes. Each reusable workflow needs its own setting because workflow-level environment variables do not propagate to called workflows. The shared binary-build workflow uses the same cache-disabled setting when invoked by CI.This is a cooperative client-side default, not token revocation or server-enforced denial. Older or independent clients, or code calling the cache API directly, can still access the service. The
@actions/cachelibrary's 6.2.0 change skips operations before contacting the cache backend; that is separate from its handling of server-denied requests. The release graph uses[email protected]and[email protected], whose pinned setup-uv and setup-python dependencies include@actions/[email protected]. Both honor this variable. The separateactions/[email protected]action still bundles@actions/[email protected]and does not honor it; the release graph does not invoke that action directly.Stacked on astral-sh#761, which keeps the action-specific opt-outs, removes the docs Rust cache, and explicitly disables maturin's sccache integration.
release-prepare.yml, same-run artifacts, and Depot's own cache are unchanged.