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revise adr to support submodules (#157)

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eric sciple 2020-03-04 13:10:35 -05:00 committed by GitHub
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adrs/0153-checkout-v2.md
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@ -60,13 +60,17 @@ We want to take this opportunity to make behavioral changes, from v1. This docum
lfs:
description: 'Whether to download Git-LFS files'
default: false
submodules:
description: >
Whether to checkout submodules: `true` to checkout submodules or `recursive` to
recursively checkout submodules.
default: 'false'
```
Note:
- SSH support is new
- `persist-credentials` is new
- `path` behavior is different (refer [below](#path) for details)
- `submodules` was removed (error if specified; add later if needed)
### Fallback to GitHub API
@ -74,7 +78,7 @@ When a sufficient version of git is not in the PATH, fallback to the [web API](h
Note:
- LFS files are not included in the archive. Therefore fail if LFS is set to true.
- Submodules are also not included in the archive. However submodules are not supported by checkout v2 anyway.
- Submodules are also not included in the archive.
### Persist credentials
@ -95,7 +99,6 @@ Note:
- The auth header is scoped to all of github `http.https://github.com/.extraheader`
- Additional public remotes also just work.
- If users want to authenticate to an additional private remote, they should provide the `token` input.
- Lines up if we add submodule support in the future. Don't need to worry about calculating relative URLs. Just works, although needs to be persisted in each submodule git config.
#### SSH key
@ -229,6 +232,15 @@ A better solution is:
Given a source file path, walk up the directories until the first `.git/config` is found. Check if it matches the self repo (`url = https://github.com/OWNER/REPO`). If not, drop the source file path.
### Submodules
With both PAT and SSH key support, we should be able to provide frictionless support for
submodules scenarios: recursive, non-recursive, relative submodule paths.
When fetching submodules, follow the `fetch-depth` settings.
Credentials will be persisted in the submodules local git config too.
### Port to typescript
The checkout action should be a typescript action on the GitHub graph, for the following reasons: