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Bump @actions/cache to v6.1.0 - handle read-only cache access#1768
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Pull request overview
Updates this action to @actions/cache@5.1.0 to correctly surface “cache write denied” behavior when the workflow token has read-only cache permissions, reduces redundant warning noise in the save-only variant, and documents the new behavior.
Changes:
- Bump
@actions/cachedependency and action version to5.1.0 - Change save-only behavior to log a debug message (instead of an extra warning) when the cache is not saved
- Document read-only cache access behavior in the README and update release notes / license metadata
Show a summary per file
| File | Description |
|---|---|
src/saveImpl.ts |
Avoids emitting a generic warning in save-only when saveCache returns -1; uses core.debug instead. |
__tests__/saveOnly.test.ts |
Updates expectations to assert debug logging and no warning / failure when save resolves to -1. |
README.md |
Adds a “Read-only access” section explaining restore-vs-save behavior with read-only tokens. |
RELEASES.md |
Adds a 5.1.0 changelog entry and minor markdown formatting cleanup. |
package.json |
Bumps package version to 5.1.0 and updates @actions/cache to ^5.1.0. |
package-lock.json |
Updates locked @actions/cache and transitive deps (but currently leaves the root package version at 5.0.4). |
.licenses/npm/@actions/cache.dep.yml |
Updates tracked license metadata for @actions/cache@5.1.0. |
.licenses/npm/@azure/core-client.dep.yml |
Updates tracked license metadata for @azure/core-client@1.10.2. |
.licenses/npm/@azure/core-http-compat.dep.yml |
Updates tracked license metadata for @azure/core-http-compat@2.4.0. |
.licenses/npm/@azure/core-rest-pipeline.dep.yml |
Updates tracked license metadata for @azure/core-rest-pipeline@1.24.0. |
.licenses/npm/@azure/core-xml.dep.yml |
Updates tracked license metadata for @azure/core-xml@1.5.1. |
.licenses/npm/@azure/storage-blob.dep.yml |
Updates tracked license metadata for @azure/storage-blob@12.32.0. |
.licenses/npm/@azure/storage-common.dep.yml |
Updates tracked license metadata for @azure/storage-common@12.4.0. |
.licenses/npm/@typespec/ts-http-runtime.dep.yml |
Updates tracked license metadata for @typespec/ts-http-runtime@0.3.6. |
.licenses/npm/fast-xml-builder.dep.yml |
Updates tracked license metadata for fast-xml-builder@1.2.0. |
.licenses/npm/fast-xml-parser.dep.yml |
Updates tracked license metadata for fast-xml-parser@5.9.2. |
.licenses/npm/is-unsafe.dep.yml |
Adds tracked license metadata for new transitive dep is-unsafe@1.0.1. |
.licenses/npm/path-expression-matcher.dep.yml |
Updates tracked license metadata for path-expression-matcher@1.5.0. |
.licenses/npm/strnum.dep.yml |
Updates tracked license metadata for strnum@2.4.1. |
.licenses/npm/anynum.dep.yml |
Adds tracked license metadata for new transitive dep anynum@1.0.1. |
.licenses/npm/@nodable/entities.dep.yml |
Adds tracked license metadata for new transitive dep @nodable/entities@2.2.0. |
.licenses/npm/xml-naming.dep.yml |
Adds tracked license metadata for new transitive dep xml-naming@0.1.0. |
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Link-
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Jun 19, 2026
Link-
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joe345-str
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Jun 20, 2026
jasongin
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I rebased to resolve conflicts from #1760 Since that change bumped the version to v6.0, this change now goes to v6.1. |
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Samirat
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Jun 23, 2026
danwkennedy
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Jun 23, 2026
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/webexmemebot/pulls/595 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/roboluke/pulls/461 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/pypilot/pulls/459 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/luke/instant-msg-api/pulls/268 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/actions/gha-workflows/pulls/83 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/epage/pulls/230 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJkZXBlbmRlbmNpZXMiXX0=--> Reviewed-on: https://git.tainton.uk/repos/PwnedPW/pulls/345 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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This PR contains the following updates: | Package | Type | Update | Change | |---|---|---|---| | [actions/cache](https://github.com/actions/cache) | action | major | `v5` → `v6` | --- ### Release Notes <details> <summary>actions/cache (actions/cache)</summary> ### [`v6.1.0`](https://github.com/actions/cache/releases/tag/v6.1.0) [Compare Source](actions/cache@v6.0.0...v6.1.0) #### What's Changed - Bump [@​actions/cache](https://github.com/actions/cache) to v6.1.0 - handle read-only cache access by [@​jasongin](https://github.com/jasongin) in [#​1768](actions/cache#1768) **Full Changelog**: <actions/cache@v6...v6.1.0> ### [`v6.0.0`](https://github.com/actions/cache/releases/tag/v6.0.0) [Compare Source](actions/cache@v6.0.0...v6.0.0) #### What's Changed - Update packages, migrate to ESM by [@​Samirat](https://github.com/Samirat) in [#​1760](actions/cache#1760) **Full Changelog**: <actions/cache@v5...v6.0.0> ### [`v6`](actions/cache@v5.1.0...v6.0.0) [Compare Source](actions/cache@v5.1.0...v6.0.0) </details> --- ### Configuration 📅 **Schedule**: (UTC) - Branch creation - At any time (no schedule defined) - Automerge - At any time (no schedule defined) 🚦 **Automerge**: Disabled by config. Please merge this manually once you are satisfied. ♻ **Rebasing**: Whenever PR is behind base branch, or you tick the rebase/retry checkbox. 🔕 **Ignore**: Close this PR and you won't be reminded about this update again. --- - [ ] <!-- rebase-check -->If you want to rebase/retry this PR, check this box --- This PR has been generated by [Mend Renovate](https://github.com/renovatebot/renovate). <!--renovate-debug:eyJjcmVhdGVkSW5WZXIiOiI0My4yMzcuMCIsInVwZGF0ZWRJblZlciI6IjQzLjI0NC4wIiwidGFyZ2V0QnJhbmNoIjoibWFpbiIsImxhYmVscyI6WyJ0eXBlL2RlcGVuZGVuY2llcyJdfQ==--> Reviewed-on: https://git.tainton.uk/repos/6to4_converter/pulls/42 Co-authored-by: renovate[bot] <renovate-bot@git.tainton.uk> Co-committed-by: renovate[bot] <renovate-bot@git.tainton.uk>
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Description
@actions/cacheto v6.1.0 to pick up actions/toolkit#2435 Handle cache write error due to read-only tokenREADME.mdabout read-only cache accessdistMotivation and Context
The Actions service will soon issue tokens with read-only cache access to certain lower-trust worfklows such as
pull_request_target. (Until now, read-write cache access was always granted.) Without this fix, the cache actions do not propagate errors from the service when attempting to write to the cache, resulting in a misleading warning message emitted to the workflow log: "Unable to reserve cache with key ${key}, another job may be creating this cache." After this change, the correct "cache write denied" warning will be emitted instead when that happens.How Has This Been Tested?
@actions/cachechange in the toolkit repo included updated unit tests.Types of changes
Checklist: