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checkout/action.yml
Johannes Schindelin d106d4669b
Add support for sparse checkouts (#1369)
* Add support for sparse checkouts

* sparse-checkout: optionally turn off cone mode

While it _is_ true that cone mode is the default nowadays (mainly for
performance reasons: code mode is much faster than non-cone mode), there
_are_ legitimate use cases where non-cone mode is really useful.

Let's add a flag to optionally disable cone mode.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

* Verify minimum Git version for sparse checkout

The `git sparse-checkout` command is available only since Git version
v2.25.0. The `actions/checkout` Action actually supports older Git
versions than that; As of time of writing, the minimum version is
v2.18.0.

Instead of raising this minimum version even for users who do not
require a sparse checkout, only check for this minimum version
specifically when a sparse checkout was asked for.

Suggested-by: Tingluo Huang <tingluohuang@github.com>
Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

* Support sparse checkout/LFS better

Instead of fetching all the LFS objects present in the current revision
in a sparse checkout, whether they are needed inside the sparse cone or
not, let's instead only pull the ones that are actually needed.

To do that, let's avoid running that preemptive `git lfs fetch` call in
case of a sparse checkout.

An alternative that was considered during the development of this patch
(and ultimately rejected) was to use `git lfs pull --include <path>...`,
but it turned out to be too inflexible because it requires exact paths,
not the patterns that are available via the sparse checkout definition,
and that risks running into command-line length limitations.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>

---------

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Co-authored-by: Daniel <daniel.fernandez@feverup.com>
2023-06-09 09:08:21 -04:00

89 lines
3.9 KiB
YAML

name: 'Checkout'
description: 'Checkout a Git repository at a particular version'
inputs:
repository:
description: 'Repository name with owner. For example, actions/checkout'
default: ${{ github.repository }}
ref:
description: >
The branch, tag or SHA to checkout. When checking out the repository that
triggered a workflow, this defaults to the reference or SHA for that
event. Otherwise, uses the default branch.
token:
description: >
Personal access token (PAT) used to fetch the repository. The PAT is configured
with the local git config, which enables your scripts to run authenticated git
commands. The post-job step removes the PAT.
We recommend using a service account with the least permissions necessary.
Also when generating a new PAT, select the least scopes necessary.
[Learn more about creating and using encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
default: ${{ github.token }}
ssh-key:
description: >
SSH key used to fetch the repository. The SSH key is configured with the local
git config, which enables your scripts to run authenticated git commands.
The post-job step removes the SSH key.
We recommend using a service account with the least permissions necessary.
[Learn more about creating and using
encrypted secrets](https://help.github.com/en/actions/automating-your-workflow-with-github-actions/creating-and-using-encrypted-secrets)
ssh-known-hosts:
description: >
Known hosts in addition to the user and global host key database. The public
SSH keys for a host may be obtained using the utility `ssh-keyscan`. For example,
`ssh-keyscan github.com`. The public key for github.com is always implicitly added.
ssh-strict:
description: >
Whether to perform strict host key checking. When true, adds the options `StrictHostKeyChecking=yes`
and `CheckHostIP=no` to the SSH command line. Use the input `ssh-known-hosts` to
configure additional hosts.
default: true
persist-credentials:
description: 'Whether to configure the token or SSH key with the local git config'
default: true
path:
description: 'Relative path under $GITHUB_WORKSPACE to place the repository'
clean:
description: 'Whether to execute `git clean -ffdx && git reset --hard HEAD` before fetching'
default: true
sparse-checkout:
description: >
Do a sparse checkout on given patterns.
Each pattern should be separated with new lines
default: null
sparse-checkout-cone-mode:
description: >
Specifies whether to use cone-mode when doing a sparse checkout.
default: true
fetch-depth:
description: 'Number of commits to fetch. 0 indicates all history for all branches and tags.'
default: 1
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.
When the `ssh-key` input is not provided, SSH URLs beginning with `git@github.com:` are
converted to HTTPS.
default: false
set-safe-directory:
description: Add repository path as safe.directory for Git global config by running `git config --global --add safe.directory <path>`
default: true
github-server-url:
description: The base URL for the GitHub instance that you are trying to clone from, will use environment defaults to fetch from the same instance that the workflow is running from unless specified. Example URLs are https://github.com or https://my-ghes-server.example.com
required: false
runs:
using: node16
main: dist/index.js
post: dist/index.js