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Fix README.md links and some formatting updates (#273)

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* Some `README.md` whitespace and tweaks

* Fix link and title to GitHub documentation page on `README.md`

* Update link to `actions/toolkit` documentation

* De-quote some YAML blocks/examples in `README.md`
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@ -6,7 +6,7 @@ See also [download-artifact](https://github.com/actions/download-artifact).
# What's new # What's new
- Easier upload - Easier upload
- Specify a wildcard pattern - Specify a wildcard pattern
- Specify an individual file - Specify an individual file
- Specify a directory (previously you were limited to only this option) - Specify a directory (previously you were limited to only this option)
@ -25,6 +25,7 @@ Refer [here](https://github.com/actions/upload-artifact/tree/releases/v1) for th
See [action.yml](action.yml) See [action.yml](action.yml)
### Upload an Individual File ### Upload an Individual File
```yaml ```yaml
steps: steps:
- uses: actions/checkout@v2 - uses: actions/checkout@v2
@ -49,6 +50,7 @@ steps:
``` ```
### Upload using a Wildcard Pattern ### Upload using a Wildcard Pattern
```yaml ```yaml
- uses: actions/upload-artifact@v2 - uses: actions/upload-artifact@v2
with: with:
@ -57,6 +59,7 @@ steps:
``` ```
### Upload using Multiple Paths and Exclusions ### Upload using Multiple Paths and Exclusions
```yaml ```yaml
- uses: actions/upload-artifact@v2 - uses: actions/upload-artifact@v2
with: with:
@ -69,19 +72,20 @@ steps:
For supported wildcards along with behavior and documentation, see [@actions/glob](https://github.com/actions/toolkit/tree/main/packages/glob) which is used internally to search for files. For supported wildcards along with behavior and documentation, see [@actions/glob](https://github.com/actions/toolkit/tree/main/packages/glob) which is used internally to search for files.
If a wildcard pattern is used, the path hierarchy will be preserved after the first wildcard pattern. If a wildcard pattern is used, the path hierarchy will be preserved after the first wildcard pattern:
``` ```
path/to/*/directory/foo?.txt => path/to/*/directory/foo?.txt =>
∟ path/to/some/directory/foo1.txt ∟ path/to/some/directory/foo1.txt
∟ path/to/some/directory/foo2.txt ∟ path/to/some/directory/foo2.txt
∟ path/to/other/directory/foo1.txt ∟ path/to/other/directory/foo1.txt
would be flattened and uploaded as => would be flattened and uploaded as =>
∟ some/directory/foo1.txt ∟ some/directory/foo1.txt
∟ some/directory/foo2.txt ∟ some/directory/foo2.txt
∟ other/directory/foo1.txt ∟ other/directory/foo1.txt
``` ```
If multiple paths are provided as input, the least common ancestor of all the search paths will be used as the root directory of the artifact. Exclude paths do not affect the directory structure. If multiple paths are provided as input, the least common ancestor of all the search paths will be used as the root directory of the artifact. Exclude paths do not affect the directory structure.
Relative and absolute file paths are both allowed. Relative paths are rooted against the current working directory. Paths that begin with a wildcard character should be quoted to avoid being interpreted as YAML aliases. Relative and absolute file paths are both allowed. Relative paths are rooted against the current working directory. Paths that begin with a wildcard character should be quoted to avoid being interpreted as YAML aliases.
@ -90,14 +94,14 @@ The [@actions/artifact](https://github.com/actions/toolkit/tree/main/packages/ar
### Customization if no files are found ### Customization if no files are found
If a path (or paths), result in no files being found for the artifact, the action will succeed but print out a warning. In certain scenarios it may be desirable to fail the action or suppress the warning. The `if-no-files-found` option allows you to customize the behavior of the action if no files are found. If a path (or paths), result in no files being found for the artifact, the action will succeed but print out a warning. In certain scenarios it may be desirable to fail the action or suppress the warning. The `if-no-files-found` option allows you to customize the behavior of the action if no files are found:
```yaml ```yaml
- uses: actions/upload-artifact@v2 - uses: actions/upload-artifact@v2
with: with:
name: my-artifact name: my-artifact
path: path/to/artifact/ path: path/to/artifact/
if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn` if-no-files-found: error # 'warn' or 'ignore' are also available, defaults to `warn`
``` ```
### Conditional Artifact Upload ### Conditional Artifact Upload
@ -115,6 +119,7 @@ To upload artifacts only when the previous step of a job failed, use [`if: failu
### Uploading without an artifact name ### Uploading without an artifact name
You can upload an artifact without specifying a name You can upload an artifact without specifying a name
```yaml ```yaml
- uses: actions/upload-artifact@v2 - uses: actions/upload-artifact@v2
with: with:
@ -125,7 +130,7 @@ If not provided, `artifact` will be used as the default name which will manifest
### Uploading to the same artifact ### Uploading to the same artifact
With the following example, the available artifact (named `artifact` by default if no name is provided) would contain both `world.txt` (`hello`) and `extra-file.txt` (`howdy`). With the following example, the available artifact (named `artifact` by default if no name is provided) would contain both `world.txt` (`hello`) and `extra-file.txt` (`howdy`):
```yaml ```yaml
- run: echo hi > world.txt - run: echo hi > world.txt
@ -144,28 +149,28 @@ With the following example, the available artifact (named `artifact` by default
path: world.txt path: world.txt
``` ```
> **_Warning:_** Be careful when uploading to the same artifact via multiple jobs as artifacts may become corrupted > **_Warning:_** Be careful when uploading to the same artifact via multiple jobs as artifacts may become corrupted
Each artifact behaves as a file share. Uploading to the same artifact multiple times in the same workflow can overwrite and append already uploaded files Each artifact behaves as a file share. Uploading to the same artifact multiple times in the same workflow can overwrite and append already uploaded files:
```yaml ```yaml
strategy: strategy:
matrix: matrix:
node-version: [8.x, 10.x, 12.x, 13.x] node-version: [8.x, 10.x, 12.x, 13.x]
steps: steps:
- name: 'Create a file' - name: Create a file
run: echo ${{ matrix.node-version }} > my_file.txt run: echo ${{ matrix.node-version }} > my_file.txt
- name: 'Accidently upload to the same artifact via multiple jobs' - name: Accidently upload to the same artifact via multiple jobs
uses: 'actions/upload-artifact@v2' uses: actions/upload-artifact@v2
with: with:
name: my-artifact name: my-artifact
path: ${{ github.workspace }} path: ${{ github.workspace }}
``` ```
In the above example, four jobs will upload four different files to the same artifact but there will only be one file available when `my-artifact` is downloaded. Each job overwrites what was previously uploaded. To ensure that jobs don't overwrite existing artifacts, use a different name per job. In the above example, four jobs will upload four different files to the same artifact but there will only be one file available when `my-artifact` is downloaded. Each job overwrites what was previously uploaded. To ensure that jobs don't overwrite existing artifacts, use a different name per job:
```yaml ```yaml
uses: 'actions/upload-artifact@v2' uses: actions/upload-artifact@v2
with: with:
name: my-artifact ${{ matrix.node-version }} name: my-artifact ${{ matrix.node-version }}
path: ${{ github.workspace }} path: ${{ github.workspace }}
@ -173,30 +178,30 @@ In the above example, four jobs will upload four different files to the same art
### Environment Variables and Tilde Expansion ### Environment Variables and Tilde Expansion
You can use `~` in the path input as a substitute for `$HOME`. Basic tilde expansion is supported. You can use `~` in the path input as a substitute for `$HOME`. Basic tilde expansion is supported:
```yaml ```yaml
- run: | - run: |
mkdir -p ~/new/artifact mkdir -p ~/new/artifact
echo hello > ~/new/artifact/world.txt echo hello > ~/new/artifact/world.txt
- uses: actions/upload-artifact@v2 - uses: actions/upload-artifact@v2
with: with:
name: 'Artifacts-V2' name: Artifacts-V2
path: '~/new/**/*' path: ~/new/**/*
``` ```
Environment variables along with context expressions can also be used for input. For documentation see [context and expression syntax](https://help.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions). Environment variables along with context expressions can also be used for input. For documentation see [context and expression syntax](https://help.github.com/en/actions/reference/context-and-expression-syntax-for-github-actions):
```yaml ```yaml
env: env:
name: my-artifact name: my-artifact
steps: steps:
- run: | - run: |
mkdir -p ${{ github.workspace }}/artifact mkdir -p ${{ github.workspace }}/artifact
echo hello > ${{ github.workspace }}/artifact/world.txt echo hello > ${{ github.workspace }}/artifact/world.txt
- uses: actions/upload-artifact@v2 - uses: actions/upload-artifact@v2
with: with:
name: ${{ env.name }}-name name: ${{ env.name }}-name
path: ${{ github.workspace }}/artifact/**/* path: ${{ github.workspace }}/artifact/**/*
``` ```
@ -205,16 +210,15 @@ Environment variables along with context expressions can also be used for input.
Artifacts are retained for 90 days by default. You can specify a shorter retention period using the `retention-days` input: Artifacts are retained for 90 days by default. You can specify a shorter retention period using the `retention-days` input:
```yaml ```yaml
- name: 'Create a file' - name: Create a file
run: echo "I won't live long" > my_file.txt run: echo "I won't live long" > my_file.txt
- name: 'Upload Artifact' - name: Upload Artifact
uses: actions/upload-artifact@v2 uses: actions/upload-artifact@v2
with: with:
name: my-artifact name: my-artifact
path: my_file.txt path: my_file.txt
retention-days: 5 retention-days: 5
``` ```
The retention period must be between 1 and 90 inclusive. For more information see [artifact and log retention policies](https://docs.github.com/en/free-pro-team@latest/actions/reference/usage-limits-billing-and-administration#artifact-and-log-retention-policy). The retention period must be between 1 and 90 inclusive. For more information see [artifact and log retention policies](https://docs.github.com/en/free-pro-team@latest/actions/reference/usage-limits-billing-and-administration#artifact-and-log-retention-policy).
@ -233,7 +237,7 @@ The size of the artifact is denoted in bytes. The displayed artifact size denote
### Zipped Artifact Downloads ### Zipped Artifact Downloads
During a workflow run, files are uploaded and downloaded individually using the `upload-artifact` and `download-artifact` actions. However, when a workflow run finishes and an artifact is downloaded from either the UI or through the [download api](https://developer.github.com/v3/actions/artifacts/#download-an-artifact), a zip is dynamically created with all the file contents that were uploaded. There is currently no way to download artifacts after a workflow run finishes in a format other than a zip or to download artifact contents individually. One of the consequences of this limitation is that if a zip is uploaded during a workflow run and then downloaded from the UI, there will be a double zip created. During a workflow run, files are uploaded and downloaded individually using the `upload-artifact` and `download-artifact` actions. However, when a workflow run finishes and an artifact is downloaded from either the UI or through the [download api](https://developer.github.com/v3/actions/artifacts/#download-an-artifact), a zip is dynamically created with all the file contents that were uploaded. There is currently no way to download artifacts after a workflow run finishes in a format other than a zip or to download artifact contents individually. One of the consequences of this limitation is that if a zip is uploaded during a workflow run and then downloaded from the UI, there will be a double zip created.
### Permission Loss ### Permission Loss
@ -245,18 +249,19 @@ During a workflow run, files are uploaded and downloaded individually using the
### Maintaining file permissions and case sensitive files ### Maintaining file permissions and case sensitive files
If file permissions and case sensitivity are required, you can `tar` all of your files together before artifact upload. Post download, the `tar` file will maintain file permissions and case sensitivity. If file permissions and case sensitivity are required, you can `tar` all of your files together before artifact upload. Post download, the `tar` file will maintain file permissions and case sensitivity:
```yaml ```yaml
- name: 'Tar files' - name: Tar files
run: tar -cvf my_files.tar /path/to/my/directory run: tar -cvf my_files.tar /path/to/my/directory
- name: 'Upload Artifact' - name: Upload Artifact
uses: actions/upload-artifact@v2 uses: actions/upload-artifact@v2
with: with:
name: my-artifact name: my-artifact
path: my_files.tar path: my_files.tar
``` ```
### Too many uploads resulting in 429 responses ### Too many uploads resulting in 429 responses
A very minute subset of users who upload a very very large amount of artifacts in a short period of time may see their uploads throttled or fail because of `Request was blocked due to exceeding usage of resource 'DBCPU' in namespace` or `Unable to copy file to server StatusCode=TooManyRequests`. A very minute subset of users who upload a very very large amount of artifacts in a short period of time may see their uploads throttled or fail because of `Request was blocked due to exceeding usage of resource 'DBCPU' in namespace` or `Unable to copy file to server StatusCode=TooManyRequests`.
@ -265,10 +270,10 @@ To reduce the chance of this happening, you can reduce the number of HTTP calls
## Additional Documentation ## Additional Documentation
See [persisting workflow data using artifacts](https://help.github.com/en/actions/configuring-and-managing-workflows/persisting-workflow-data-using-artifacts) for additional examples and tips. See [Storing workflow data as artifacts](https://docs.github.com/en/actions/advanced-guides/storing-workflow-data-as-artifacts) for additional examples and tips.
See extra documentation for the [@actions/artifact](https://github.com/actions/toolkit/blob/master/packages/artifact/docs/additional-information.md) package that is used internally regarding certain behaviors and limitations. See extra documentation for the [@actions/artifact](https://github.com/actions/toolkit/blob/main/packages/artifact/docs/additional-information.md) package that is used internally regarding certain behaviors and limitations.
# License # License
The scripts and documentation in this project are released under the [MIT License](LICENSE) The scripts and documentation in this project are released under the [MIT License](LICENSE).