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feat: add include_srcs_packages and exclude_srcs_packages and improve implementation and documentation of other filters and transformations (#203)

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Greg Magolan 2022-07-29 16:16:33 -07:00 committed by GitHub
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@ -11,9 +11,9 @@ the `root_paths`, `include_srcs_patters`, `exclude_srcs_patters` and `replace_pr
## copy_to_directory
<pre>
copy_to_directory(<a href="#copy_to_directory-name">name</a>, <a href="#copy_to_directory-allow_overwrites">allow_overwrites</a>, <a href="#copy_to_directory-exclude_prefixes">exclude_prefixes</a>, <a href="#copy_to_directory-exclude_srcs_patterns">exclude_srcs_patterns</a>,
<a href="#copy_to_directory-include_external_repositories">include_external_repositories</a>, <a href="#copy_to_directory-include_srcs_patterns">include_srcs_patterns</a>, <a href="#copy_to_directory-out">out</a>, <a href="#copy_to_directory-replace_prefixes">replace_prefixes</a>,
<a href="#copy_to_directory-root_paths">root_paths</a>, <a href="#copy_to_directory-srcs">srcs</a>)
copy_to_directory(<a href="#copy_to_directory-name">name</a>, <a href="#copy_to_directory-allow_overwrites">allow_overwrites</a>, <a href="#copy_to_directory-exclude_prefixes">exclude_prefixes</a>, <a href="#copy_to_directory-exclude_srcs_packages">exclude_srcs_packages</a>,
<a href="#copy_to_directory-exclude_srcs_patterns">exclude_srcs_patterns</a>, <a href="#copy_to_directory-include_external_repositories">include_external_repositories</a>, <a href="#copy_to_directory-include_srcs_packages">include_srcs_packages</a>,
<a href="#copy_to_directory-include_srcs_patterns">include_srcs_patterns</a>, <a href="#copy_to_directory-out">out</a>, <a href="#copy_to_directory-replace_prefixes">replace_prefixes</a>, <a href="#copy_to_directory-root_paths">root_paths</a>, <a href="#copy_to_directory-srcs">srcs</a>)
</pre>
@ -25,13 +25,15 @@ copy_to_directory(<a href="#copy_to_directory-name">name</a>, <a href="#copy_to_
| :------------- | :------------- | :------------- | :------------- | :------------- |
| <a id="copy_to_directory-name"></a>name | A unique name for this target. | <a href="https://bazel.build/docs/build-ref.html#name">Name</a> | required | |
| <a id="copy_to_directory-allow_overwrites"></a>allow_overwrites | If True, allow files to be overwritten if the same output file is copied to twice.<br><br> If set, then the order of srcs matters as the last copy of a particular file will win.<br><br> This setting has no effect on Windows where overwrites are always allowed. | Boolean | optional | False |
| <a id="copy_to_directory-exclude_prefixes"></a>exclude_prefixes | List of path prefixes to exclude from output directory.<br><br> DEPRECATED: use <code>exclude_srcs_patterns</code> instead<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported but the prefix must not end with a <code>**</code> or <code>*</code> glob expression.<br><br> See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> If the output directory path for a file or directory starts with or is equal to a path in the list then that file is not copied to the output directory.<br><br> Forward slashes (<code>/</code>) should be used as path separators.<br><br> <code>exclude_prefixes</code> are matched on the output path after <code>root_paths</code> are considered.<br><br> <code>exclude_prefixes</code> are matched *after* <code>include_srcs_patterns</code> and *before* <code>replace_prefixes</code> are applied.<br><br> NB: Prefixes that nest into source directories or generated directories (TreeArtifacts) targets are not supported since matches are performed in Starlark. To use <code>exclude_prefixes</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. | List of strings | optional | [] |
| <a id="copy_to_directory-exclude_srcs_patterns"></a>exclude_srcs_patterns | List of paths (with glob support) to exclude from output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported.<br><br> See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> If the output directory path for a file or directory starts with or is equal to a path in the list then that file is not copied to the output directory.<br><br> Forward slashes (<code>/</code>) should be used as path separators.<br><br> <code>exclude_srcs_patterns</code> are matched on the output path after <code>root_paths</code> are considered.<br><br> <code>exclude_srcs_patterns</code> are matched *after* <code>include_srcs_patterns</code> and *before* <code>replace_prefixes</code> are applied.<br><br> NB: Patterns that nest into source directories or generated directories (TreeArtifacts) targets are not supported since matches are performed in Starlark. To use <code>exclude_srcs_patterns</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. | List of strings | optional | [] |
| <a id="copy_to_directory-include_external_repositories"></a>include_external_repositories | List of external repository names to include in the output directory.<br><br> Files from external repositories are not copied into the output directory unless the external repository they come from is listed here.<br><br> When copied from an external repository, the file path in the output directory defaults to the file's path within the external repository. The external repository name is _not_ included in that path.<br><br> For example, the following copies <code>@external_repo//path/to:file</code> to <code>path/to/file</code> within the output directory.<br><br> <pre><code> copy_to_directory( name = "dir", include_external_repositories = ["external_repo"], srcs = ["@external_repo//path/to:file"], ) </code></pre><br><br> Files from external repositories are subject to <code>root_paths</code>, <code>include_srcs_patterns</code>, <code>exclude_srcs_patterns</code> and <code>replace_prefixes</code> in the same way as files form the main repository. | List of strings | optional | [] |
| <a id="copy_to_directory-include_srcs_patterns"></a>include_srcs_patterns | List of paths (with glob support) to include in output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported.<br><br> See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> Defaults to ["**"] which includes all sources.<br><br> <code>include_srcs_patterns</code> are matched on the output path after <code>root_paths</code> are considered.<br><br> <code>include_srcs_patterns</code> are matched *before* <code>exclude_srcs_patterns</code> and <code>replace_prefixes</code> are applied.<br><br> NB: Patterns that nest into source directories or generated directories (TreeArtifacts) targets are not supported since matches are performed in Starlark. To use <code>include_srcs_patterns</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. | List of strings | optional | ["**"] |
| <a id="copy_to_directory-exclude_prefixes"></a>exclude_prefixes | List of path prefixes (with glob support) to exclude from output directory.<br><br> DEPRECATED: use <code>exclude_srcs_patterns</code> instead<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> Files and directories in srcs are not copied to the output directory if their output directory path, after applying <code>root_paths</code>, starts with or fully matches one of the patterns specified.<br><br> Patterns do not look into files within source directory or generated directory (TreeArtifact) targets since matches are performed in Starlark. To use <code>include_srcs_patterns</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. This restriction may be fixed in a future release by performing matching inside the copy action instead of in Starlark.<br><br> Forward slashes (<code>/</code>) should be used as path separators.<br><br> Files and directories that do not have matching output directory paths are subject to subsequent filters and transformations to determine if they are copied and what their path in the output directory will be.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | List of strings | optional | [] |
| <a id="copy_to_directory-exclude_srcs_packages"></a>exclude_srcs_packages | List of Bazel packages (with glob support) to exclude from output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> Files and directories in srcs are not copied to the output directory if the Bazel package of the file or directory matches one of the patterns specified.<br><br> Forward slashes (<code>/</code>) should be used as path separators.<br><br> Files and directories that have do not have matching Bazel packages are subject to subsequent filters and transformations to determine if they are copied and what their path in the output directory will be.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | List of strings | optional | [] |
| <a id="copy_to_directory-exclude_srcs_patterns"></a>exclude_srcs_patterns | List of paths (with glob support) to exclude from output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> Files and directories in srcs are not copied to the output directory if their output directory path, after applying <code>root_paths</code>, matches one of the patterns specified.<br><br> Patterns do not look into files within source directory or generated directory (TreeArtifact) targets since matches are performed in Starlark. To use <code>include_srcs_patterns</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. This restriction may be fixed in a future release by performing matching inside the copy action instead of in Starlark.<br><br> Forward slashes (<code>/</code>) should be used as path separators.<br><br> Files and directories that do not have matching output directory paths are subject to subsequent filters and transformations to determine if they are copied and what their path in the output directory will be.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | List of strings | optional | [] |
| <a id="copy_to_directory-include_external_repositories"></a>include_external_repositories | List of external repository names (with glob support) to include in the output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> Files from external repositories are only copied into the output directory if the external repository they come from matches one of the external repository patterns specified.<br><br> When copied from an external repository, the file path in the output directory defaults to the file's path within the external repository. The external repository name is _not_ included in that path.<br><br> For example, the following copies <code>@external_repo//path/to:file</code> to <code>path/to/file</code> within the output directory.<br><br> <pre><code> copy_to_directory( name = "dir", include_external_repositories = ["external_*"], srcs = ["@external_repo//path/to:file"], ) </code></pre><br><br> Files and directories that come from matching external are subject to subsequent filters and transformations to determine if they are copied and what their path in the output directory will be. The external repository name of the file or directory from an external repository is not included in the output directory path and is considered in subsequent filters and transformations.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | List of strings | optional | [] |
| <a id="copy_to_directory-include_srcs_packages"></a>include_srcs_packages | List of Bazel packages (with glob support) to include in output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> Files and directories in srcs are only copied to the output directory if the Bazel package of the file or directory matches one of the patterns specified.<br><br> Forward slashes (<code>/</code>) should be used as path separators.<br><br> Defaults to ["**"] which includes sources from all packages.<br><br> Files and directories that have matching Bazel packages are subject to subsequent filters and transformations to determine if they are copied and what their path in the output directory will be.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | List of strings | optional | ["**"] |
| <a id="copy_to_directory-include_srcs_patterns"></a>include_srcs_patterns | List of paths (with glob support) to include in output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> Files and directories in srcs are only copied to the output directory if their output directory path, after applying <code>root_paths</code>, matches one of the patterns specified.<br><br> Patterns do not look into files within source directory or generated directory (TreeArtifact) targets since matches are performed in Starlark. To use <code>include_srcs_patterns</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. This restriction may be fixed in a future release by performing matching inside the copy action instead of in Starlark.<br><br> Forward slashes (<code>/</code>) should be used as path separators.<br><br> Defaults to ["**"] which includes all sources.<br><br> Files and directories that have matching output directory paths are subject to subsequent filters and transformations to determine if they are copied and what their path in the output directory will be.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | List of strings | optional | ["**"] |
| <a id="copy_to_directory-out"></a>out | Path of the output directory, relative to this package.<br><br> If not set, the name of the target is used. | String | optional | "" |
| <a id="copy_to_directory-replace_prefixes"></a>replace_prefixes | Map of paths prefixes to replace in the output directory path when copying files.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported but the prefix must not end with a <code>**</code> or <code>*</code> glob expression.<br><br> See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> If the output directory path for a file or directory starts with or is equal to a key in the dict then the matching portion of the output directory path is replaced with the dict value for that key.<br><br> Forward slashes (<code>/</code>) should be used as path separators. The final path segment of the key can be a partial match in the corresponding segment of the output directory path.<br><br> <code>replace_prefixes</code> are matched on the output path after <code>root_paths</code> are considered.<br><br> <code>replace_prefixes</code> are matched *after* <code>include_srcs_patterns</code> and <code>exclude_srcs_patterns</code> are applied.<br><br> If there are multiple keys that match, the longest match wins.<br><br> NB: Prefixes that nest into source directories or generated directories (TreeArtifacts) targets are not supported since matches are performed in Starlark. To use <code>replace_prefixes</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. | <a href="https://bazel.build/docs/skylark/lib/dict.html">Dictionary: String -> String</a> | optional | {} |
| <a id="copy_to_directory-root_paths"></a>root_paths | List of paths that are roots in the output directory.<br><br> "." values indicate the target's package path.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported but the path must not end with a <code>**</code> or <code>*</code> glob expression.<br><br> See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> If a file or directory being copied is in one of the listed paths or one of its subpaths, the output directory path is the path relative to the root path instead of the path relative to the file's workspace.<br><br> Forward slashes (<code>/</code>) should be used as path separators. Partial matches on the final path segment of a root path against the corresponding segment in the full workspace relative path of a file are not matched.<br><br> If there are multiple root paths that match, the longest match wins.<br><br> Defaults to ["."] so that the output directory path of files in the target's package and and sub-packages are relative to the target's package and files outside of that retain their full workspace relative paths. | List of strings | optional | ["."] |
| <a id="copy_to_directory-replace_prefixes"></a>replace_prefixes | Map of paths prefixes (with glob support) to replace in the output directory path when copying files.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported but the pattern must not end with a <code>**</code> glob expression. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> If the output directory path for a file or directory starts with or fully matches a a key in the dict then the matching portion of the output directory path is replaced with the dict value for that key. The final path segment matched can be a partial match of that segment and only the matching portion will be replaced. If there are multiple keys that match, the longest match wins.<br><br> Patterns do not look into files within source directory or generated directory (TreeArtifact) targets since matches are performed in Starlark. To use <code>replace_prefixes</code> on files within directories you can use the <code>make_directory_paths</code> helper to specify individual files inside directories in <code>srcs</code>. This restriction may be fixed in a future release by performing matching inside the copy action instead of in Starlark.<br><br> Forward slashes (<code>/</code>) should be used as path separators. <br><br> Replace prefix transformation are the final step in the list of filters and transformations. The final output path of a file or directory being copied into the output directory is determined at this step.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | <a href="https://bazel.build/docs/skylark/lib/dict.html">Dictionary: String -> String</a> | optional | {} |
| <a id="copy_to_directory-root_paths"></a>root_paths | List of paths (with glob support) that are roots in the output directory.<br><br> Glob patterns <code>**</code>, <code>*</code> and <code>?</code> are supported. See <code>glob_match</code> documentation for more details on how to use glob patterns: https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.<br><br> If any parent directory of a file or directory being copied matches one of the root paths patterns specified, the output directory path will be the path relative to the root path instead of the path relative to the file's or directory's workspace. If there are multiple root paths that match, the longest match wins.<br><br> Matching is done on the parent directory of the output file path so a trailing '**' glob patterm will match only up to the last path segment of the dirname and will not include the basename. Only complete path segments are matched. Partial matches on the last segment of the root path are ignored.<br><br> Forward slashes (<code>/</code>) should be used as path separators. A "." value indicate the target's package path.<br><br> Defaults to ["."] which results in the output directory path of files in the target's package and and sub-packages are relative to the target's package and files outside of that retain their full workspace relative paths.<br><br> Filters and transformations are applied in the following order:<br><br>1. <code>include_external_repositories</code><br><br>2. <code>include_srcs_packages</code><br><br>3. <code>exclude_srcs_packages</code><br><br>4. <code>root_paths</code><br><br>5. <code>include_srcs_patterns</code><br><br>6. <code>exclude_srcs_patterns</code><br><br>7. <code>replace_prefixes</code><br><br>For more information each filters / transformations applied, see the documentation for the specific filter / transformation attribute. | List of strings | optional | ["."] |
| <a id="copy_to_directory-srcs"></a>srcs | Files and/or directories or targets that provide DirectoryPathInfo to copy into the output directory. | <a href="https://bazel.build/docs/build-ref.html#labels">List of labels</a> | optional | [] |
@ -41,8 +43,9 @@ copy_to_directory(<a href="#copy_to_directory-name">name</a>, <a href="#copy_to_
<pre>
copy_to_directory_action(<a href="#copy_to_directory_action-ctx">ctx</a>, <a href="#copy_to_directory_action-srcs">srcs</a>, <a href="#copy_to_directory_action-dst">dst</a>, <a href="#copy_to_directory_action-additional_files">additional_files</a>, <a href="#copy_to_directory_action-root_paths">root_paths</a>,
<a href="#copy_to_directory_action-include_external_repositories">include_external_repositories</a>, <a href="#copy_to_directory_action-include_srcs_patterns">include_srcs_patterns</a>, <a href="#copy_to_directory_action-exclude_srcs_patterns">exclude_srcs_patterns</a>,
<a href="#copy_to_directory_action-exclude_prefixes">exclude_prefixes</a>, <a href="#copy_to_directory_action-replace_prefixes">replace_prefixes</a>, <a href="#copy_to_directory_action-allow_overwrites">allow_overwrites</a>, <a href="#copy_to_directory_action-is_windows">is_windows</a>)
<a href="#copy_to_directory_action-include_external_repositories">include_external_repositories</a>, <a href="#copy_to_directory_action-include_srcs_packages">include_srcs_packages</a>, <a href="#copy_to_directory_action-exclude_srcs_packages">exclude_srcs_packages</a>,
<a href="#copy_to_directory_action-include_srcs_patterns">include_srcs_patterns</a>, <a href="#copy_to_directory_action-exclude_srcs_patterns">exclude_srcs_patterns</a>, <a href="#copy_to_directory_action-exclude_prefixes">exclude_prefixes</a>,
<a href="#copy_to_directory_action-replace_prefixes">replace_prefixes</a>, <a href="#copy_to_directory_action-allow_overwrites">allow_overwrites</a>, <a href="#copy_to_directory_action-is_windows">is_windows</a>)
</pre>
Helper function to copy files to a directory.
@ -62,6 +65,8 @@ other rule implementations where additional_files can also be passed in.
| <a id="copy_to_directory_action-additional_files"></a>additional_files | Additional files to copy that are not in the DefaultInfo or DirectoryPathInfo of srcs | <code>[]</code> |
| <a id="copy_to_directory_action-root_paths"></a>root_paths | List of paths that are roots in the output directory.<br><br>See copy_to_directory rule documentation for more details. | <code>["."]</code> |
| <a id="copy_to_directory_action-include_external_repositories"></a>include_external_repositories | List of external repository names to include in the output directory.<br><br>See copy_to_directory rule documentation for more details. | <code>[]</code> |
| <a id="copy_to_directory_action-include_srcs_packages"></a>include_srcs_packages | List of Bazel packages to include in output directory.<br><br>See copy_to_directory rule documentation for more details. | <code>["**"]</code> |
| <a id="copy_to_directory_action-exclude_srcs_packages"></a>exclude_srcs_packages | List of Bazel packages (with glob support) to exclude from output directory.<br><br>See copy_to_directory rule documentation for more details. | <code>[]</code> |
| <a id="copy_to_directory_action-include_srcs_patterns"></a>include_srcs_patterns | List of paths (with glob support) to include in output directory.<br><br>See copy_to_directory rule documentation for more details. | <code>["**"]</code> |
| <a id="copy_to_directory_action-exclude_srcs_patterns"></a>exclude_srcs_patterns | List of paths (with glob support) to exclude from output directory.<br><br>See copy_to_directory rule documentation for more details. | <code>[]</code> |
| <a id="copy_to_directory_action-exclude_prefixes"></a>exclude_prefixes | List of path prefixes to exclude from output directory. | <code>[]</code> |

397
lib/private/copy_to_directory.bzl
View File

@ -6,6 +6,26 @@ load(":paths.bzl", "paths")
load(":directory_path.bzl", "DirectoryPathInfo")
load(":glob_match.bzl", "glob_match")
_filter_transforms_order_docstring = """Filters and transformations are applied in the following order:
1. `include_external_repositories`
2. `include_srcs_packages`
3. `exclude_srcs_packages`
4. `root_paths`
5. `include_srcs_patterns`
6. `exclude_srcs_patterns`
7. `replace_prefixes`
For more information each filters / transformations applied, see
the documentation for the specific filter / transformation attribute.
"""
_copy_to_directory_attr = {
"srcs": attr.label_list(
allow_files = True,
@ -17,38 +37,46 @@ _copy_to_directory_attr = {
"out": attr.string(
doc = """Path of the output directory, relative to this package.
If not set, the name of the target is used.""",
If not set, the name of the target is used.
""",
),
"root_paths": attr.string_list(
default = ["."],
doc = """List of paths that are roots in the output directory.
doc = """List of paths (with glob support) that are roots in the output directory.
"." values indicate the target's package path.
Glob patterns `**`, `*` and `?` are supported but the path must not end with a `**` or `*` glob expression.
See `glob_match` documentation for more details on how to use glob patterns:
Glob patterns `**`, `*` and `?` are supported. See `glob_match` documentation for
more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
If a file or directory being copied is in one of the listed paths or one of its subpaths,
the output directory path is the path relative to the root path instead of the path
relative to the file's workspace.
If any parent directory of a file or directory being copied matches one of the root paths
patterns specified, the output directory path will be the path relative to the root path
instead of the path relative to the file's or directory's workspace. If there are multiple
root paths that match, the longest match wins.
Forward slashes (`/`) should be used as path separators. Partial matches
on the final path segment of a root path against the corresponding segment
in the full workspace relative path of a file are not matched.
Matching is done on the parent directory of the output file path so a trailing '**' glob patterm
will match only up to the last path segment of the dirname and will not include the basename.
Only complete path segments are matched. Partial matches on the last segment of the root path
are ignored.
If there are multiple root paths that match, the longest match wins.
Forward slashes (`/`) should be used as path separators. A "." value indicate the target's package path.
Defaults to ["."] so that the output directory path of files in the
Defaults to ["."] which results in the output directory path of files in the
target's package and and sub-packages are relative to the target's package and
files outside of that retain their full workspace relative paths.""",
files outside of that retain their full workspace relative paths.
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"include_external_repositories": attr.string_list(
doc = """List of external repository names to include in the output directory.
doc = """List of external repository names (with glob support) to include in the output directory.
Files from external repositories are not copied into the output directory unless
the external repository they come from is listed here.
Glob patterns `**`, `*` and `?` are supported. See `glob_match` documentation for
more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
Files from external repositories are only copied into the output directory if
the external repository they come from matches one of the external repository patterns
specified.
When copied from an external repository, the file path in the output directory
defaults to the file's path within the external repository. The external repository
@ -60,106 +88,169 @@ _copy_to_directory_attr = {
```
copy_to_directory(
name = "dir",
include_external_repositories = ["external_repo"],
include_external_repositories = ["external_*"],
srcs = ["@external_repo//path/to:file"],
)
```
Files from external repositories are subject to `root_paths`, `include_srcs_patterns`,
`exclude_srcs_patterns` and `replace_prefixes` in the same way as files form the main repository.""",
Files and directories that come from matching external are subject to subsequent filters and
transformations to determine if they are copied and what their path in the output
directory will be. The external repository name of the file or directory from an external
repository is not included in the output directory path and is considered in subsequent
filters and transformations.
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"include_srcs_packages": attr.string_list(
default = ["**"],
doc = """List of Bazel packages (with glob support) to include in output directory.
Glob patterns `**`, `*` and `?` are supported. See `glob_match` documentation for
more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
Files and directories in srcs are only copied to the output directory if
the Bazel package of the file or directory matches one of the patterns specified.
Forward slashes (`/`) should be used as path separators.
Defaults to ["**"] which includes sources from all packages.
Files and directories that have matching Bazel packages are subject to subsequent filters and
transformations to determine if they are copied and what their path in the output
directory will be.
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"exclude_srcs_packages": attr.string_list(
doc = """List of Bazel packages (with glob support) to exclude from output directory.
Glob patterns `**`, `*` and `?` are supported. See `glob_match` documentation for
more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
Files and directories in srcs are not copied to the output directory if
the Bazel package of the file or directory matches one of the patterns specified.
Forward slashes (`/`) should be used as path separators.
Files and directories that have do not have matching Bazel packages are subject to subsequent
filters and transformations to determine if they are copied and what their path in the output
directory will be.
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"include_srcs_patterns": attr.string_list(
default = ["**"],
doc = """List of paths (with glob support) to include in output directory.
Glob patterns `**`, `*` and `?` are supported.
See `glob_match` documentation for more details on how to use glob patterns:
Glob patterns `**`, `*` and `?` are supported. See `glob_match` documentation for
more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
Files and directories in srcs are only copied to the output directory if their output
directory path, after applying `root_paths`, matches one of the patterns specified.
Patterns do not look into files within source directory or generated directory (TreeArtifact)
targets since matches are performed in Starlark. To use `include_srcs_patterns` on files
within directories you can use the `make_directory_paths` helper to specify individual files inside
directories in `srcs`. This restriction may be fixed in a future release by performing matching
inside the copy action instead of in Starlark.
Forward slashes (`/`) should be used as path separators.
Defaults to ["**"] which includes all sources.
`include_srcs_patterns` are matched on the output path after `root_paths` are considered.
Files and directories that have matching output directory paths are subject to subsequent
filters and transformations to determine if they are copied and what their path in the output
directory will be.
`include_srcs_patterns` are matched *before* `exclude_srcs_patterns` and `replace_prefixes` are applied.
NB: Patterns that nest into source directories or generated directories (TreeArtifacts) targets
are not supported since matches are performed in Starlark. To use `include_srcs_patterns` on files
within directories you can use the `make_directory_paths` helper to specify individual files inside
directories in `srcs`.""",
default = ["**"],
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"exclude_srcs_patterns": attr.string_list(
doc = """List of paths (with glob support) to exclude from output directory.
Glob patterns `**`, `*` and `?` are supported.
See `glob_match` documentation for more details on how to use glob patterns:
Glob patterns `**`, `*` and `?` are supported. See `glob_match` documentation for
more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
If the output directory path for a file or directory starts with or is equal to
a path in the list then that file is not copied to the output directory.
Files and directories in srcs are not copied to the output directory if their output
directory path, after applying `root_paths`, matches one of the patterns specified.
Patterns do not look into files within source directory or generated directory (TreeArtifact)
targets since matches are performed in Starlark. To use `include_srcs_patterns` on files
within directories you can use the `make_directory_paths` helper to specify individual files inside
directories in `srcs`. This restriction may be fixed in a future release by performing matching
inside the copy action instead of in Starlark.
Forward slashes (`/`) should be used as path separators.
`exclude_srcs_patterns` are matched on the output path after `root_paths` are considered.
Files and directories that do not have matching output directory paths are subject to subsequent
filters and transformations to determine if they are copied and what their path in the output
directory will be.
`exclude_srcs_patterns` are matched *after* `include_srcs_patterns` and *before* `replace_prefixes` are applied.
NB: Patterns that nest into source directories or generated directories (TreeArtifacts) targets
are not supported since matches are performed in Starlark. To use `exclude_srcs_patterns` on files
within directories you can use the `make_directory_paths` helper to specify individual files inside
directories in `srcs`.""",
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"exclude_prefixes": attr.string_list(
doc = """List of path prefixes to exclude from output directory.
doc = """List of path prefixes (with glob support) to exclude from output directory.
DEPRECATED: use `exclude_srcs_patterns` instead
Glob patterns `**`, `*` and `?` are supported but the prefix must not end with a `**` or `*` glob expression.
See `glob_match` documentation for more details on how to use glob patterns:
Glob patterns `**`, `*` and `?` are supported. See `glob_match` documentation for
more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
If the output directory path for a file or directory starts with or is equal to
a path in the list then that file is not copied to the output directory.
Files and directories in srcs are not copied to the output directory if their output
directory path, after applying `root_paths`, starts with or fully matches one of the
patterns specified.
Patterns do not look into files within source directory or generated directory (TreeArtifact)
targets since matches are performed in Starlark. To use `include_srcs_patterns` on files
within directories you can use the `make_directory_paths` helper to specify individual files inside
directories in `srcs`. This restriction may be fixed in a future release by performing matching
inside the copy action instead of in Starlark.
Forward slashes (`/`) should be used as path separators.
`exclude_prefixes` are matched on the output path after `root_paths` are considered.
Files and directories that do not have matching output directory paths are subject to subsequent
filters and transformations to determine if they are copied and what their path in the output
directory will be.
`exclude_prefixes` are matched *after* `include_srcs_patterns` and *before* `replace_prefixes` are applied.
NB: Prefixes that nest into source directories or generated directories (TreeArtifacts) targets
are not supported since matches are performed in Starlark. To use `exclude_prefixes` on files
within directories you can use the `make_directory_paths` helper to specify individual files inside
directories in `srcs`.""",
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"replace_prefixes": attr.string_dict(
doc = """Map of paths prefixes to replace in the output directory path when copying files.
doc = """Map of paths prefixes (with glob support) to replace in the output directory path when copying files.
Glob patterns `**`, `*` and `?` are supported but the prefix must not end with a `**` or `*` glob expression.
See `glob_match` documentation for more details on how to use glob patterns:
Glob patterns `**`, `*` and `?` are supported but the pattern must not end with a `**` glob
expression. See `glob_match` documentation for more details on how to use glob patterns:
https://github.com/aspect-build/bazel-lib/blob/main/docs/glob_match.md.
If the output directory path for a file or directory starts with or is equal to
If the output directory path for a file or directory starts with or fully matches a
a key in the dict then the matching portion of the output directory path is
replaced with the dict value for that key.
replaced with the dict value for that key. The final path segment
matched can be a partial match of that segment and only the matching portion will
be replaced. If there are multiple keys that match, the longest match wins.
Forward slashes (`/`) should be used as path separators. The final path segment
of the key can be a partial match in the corresponding segment of the output
directory path.
`replace_prefixes` are matched on the output path after `root_paths` are considered.
`replace_prefixes` are matched *after* `include_srcs_patterns` and `exclude_srcs_patterns` are applied.
If there are multiple keys that match, the longest match wins.
NB: Prefixes that nest into source directories or generated directories (TreeArtifacts) targets
are not supported since matches are performed in Starlark. To use `replace_prefixes` on files
Patterns do not look into files within source directory or generated directory (TreeArtifact)
targets since matches are performed in Starlark. To use `replace_prefixes` on files
within directories you can use the `make_directory_paths` helper to specify individual files inside
directories in `srcs`.""",
directories in `srcs`. This restriction may be fixed in a future release by performing matching
inside the copy action instead of in Starlark.
Forward slashes (`/`) should be used as path separators.
Replace prefix transformation are the final step in the list of filters and transformations.
The final output path of a file or directory being copied into the output directory
is determined at this step.
{filters_transform_order_docstring}
""".format(filters_transform_order_docstring = _filter_transforms_order_docstring),
),
"allow_overwrites": attr.bool(
doc = """If True, allow files to be overwritten if the same output file is copied to twice.
@ -173,21 +264,23 @@ _copy_to_directory_attr = {
def _any_globs_match(exprs, path):
for expr in exprs:
if expr == path:
return True
if glob_match(expr, path):
return True
return None
def _longest_glob_match(expr, path):
if not glob_match(expr, path):
return None
match = path
# For a given glob & path, find the longest subpath that matches the glob
if glob_match(expr, path):
# Full path matches
return path
for i in range(len(path) - 1):
maybe_match = path[:-(i + 1)]
if glob_match(expr, maybe_match):
match = maybe_match
else:
break
return match
# Some subpath matches
return maybe_match
return None
def _longest_globs_match(exprs, path):
matching_expr = None
@ -208,6 +301,8 @@ def _copy_paths(
src,
root_paths,
include_external_repositories,
include_srcs_packages,
exclude_srcs_packages,
include_srcs_patterns,
exclude_srcs_patterns,
replace_prefixes):
@ -222,60 +317,82 @@ def _copy_paths(
else:
fail("Unsupported type")
# if the file is from an external repository check if that repository should
# be included in the output directory
if src_file.owner and src_file.owner.workspace_name and not src_file.owner.workspace_name in include_external_repositories:
return None, None, None
if not src_file.owner:
msg = "Expected an owner target label for file {} but found none".format(src_file)
fail(msg)
# strip root paths
if root_paths:
exprs = []
for root_path in root_paths:
if root_path.endswith("*"):
msg = "root_path '{}' must not end with '*' or '**' glob expression".format(root_path)
fail(msg)
if root_path.endswith("/"):
exprs.append(root_path + "**")
else:
exprs.append(root_path + "/**")
_, longest_match = _longest_globs_match(exprs, output_path)
if longest_match:
output_path = output_path[len(longest_match):]
if src_file.owner.package == None:
msg = "Expected owner target label for file {} to have a package name but found None".format(src_file)
fail(msg)
# apply include_srcs_patterns if "**" is not included in the list
if "**" not in include_srcs_patterns:
if not _any_globs_match(include_srcs_patterns, output_path):
# file is excluded as it does not match any specified include_prefix
return None, None, None
if "**" in exclude_srcs_packages:
fail("A '**' glob pattern in 'exclude_srcs_packages' will exclude all srcs and result in an empty directory")
if "**" in exclude_srcs_patterns:
fail("A '**' glob pattern in 'exclude_srcs_patterns' will exclude all srcs and result in an empty directory")
# apply exclude_srcs_patterns
if _any_globs_match(exclude_srcs_patterns, output_path):
# file is excluded due to a matching exclude_prefix
# Apply filters and transformations in the following order:
#
# - `include_external_repositories`
# - `include_srcs_packages`
# - `exclude_srcs_packages`
# - `root_paths`
# - `include_srcs_patterns`
# - `exclude_srcs_patterns`
# - `replace_prefixes`
#
# If you change this order please update the docstrings to reflect the changes.
# apply include_external_repositories if the file is from an external repository
if src_file.owner.workspace_name:
if not _any_globs_match(include_external_repositories, src_file.owner.workspace_name):
# file is excluded as its external repository does not match any patterns in include_external_repositories
return None, None, None
# apply include_srcs_packages if "**" is not included in the list
if "**" not in include_srcs_packages:
if not _any_globs_match(include_srcs_packages, src_file.owner.package):
# file is excluded as it does not match any specified include_srcs_packages
return None, None, None
# apply exclude_srcs_packages
if _any_globs_match(exclude_srcs_packages, src_file.owner.package):
# file is excluded due to a matching exclude_srcs_packages
return None, None, None
# apply a replacement if one is found
if replace_prefixes:
exprs = {}
for replace_prefix in replace_prefixes.keys():
if replace_prefix.endswith("*"):
msg = "replace_prefix '{}' must not end with '*' or '**' glob expression".format(replace_prefix)
fail(msg)
if replace_prefix.endswith("/"):
exprs[replace_prefix + "**"] = replace_prefixes[replace_prefix]
else:
exprs[replace_prefix + "*/**"] = replace_prefixes[replace_prefix]
exprs[replace_prefix + "*"] = replace_prefixes[replace_prefix]
matching_expr, longest_match = _longest_globs_match(exprs.keys(), output_path)
# apply root_paths
if root_paths:
# match against the output_path dirname and not the full output path
# so we don't match against the filename on an ending '**' glob pattern
output_dir = skylib_paths.dirname(output_path)
_, longest_match = _longest_globs_match(root_paths, output_dir)
if longest_match:
if longest_match.endswith("/") and matching_expr.endswith("*/**"):
# strip the trailing "/" from the longest match if the original expression did not end with it
if longest_match.endswith("/"):
longest_match = longest_match[:-1]
if len(longest_match) == len(output_dir) or output_dir[len(longest_match)] == "/":
output_path = output_path[len(longest_match) + 1:]
# apply include_srcs_patterns if "**" is not included in the list
if "**" not in include_srcs_patterns:
if not _any_globs_match(include_srcs_patterns, output_path):
# file is excluded as it does not match any specified include_srcs_patterns
return None, None, None
# apply exclude_srcs_patterns
if _any_globs_match(exclude_srcs_patterns, output_path):
# file is excluded due to a matching exclude_srcs_patterns
return None, None, None
# apply replace_prefixes
if replace_prefixes:
for replace_prefix in replace_prefixes.keys():
if replace_prefix.endswith("**"):
msg = "replace_prefix '{}' must not end with '**' glob expression".format(replace_prefix)
fail(msg)
matching_expr, longest_match = _longest_globs_match(replace_prefixes.keys(), output_path)
if longest_match:
# replace the longest matching prefix in the output path
output_path = exprs[matching_expr] + output_path[len(longest_match):]
output_path = replace_prefixes[matching_expr] + output_path[len(longest_match):]
return src_path, output_path, src_file
@ -421,6 +538,8 @@ def _copy_to_directory_impl(ctx):
dst = dst,
root_paths = ctx.attr.root_paths,
include_external_repositories = ctx.attr.include_external_repositories,
include_srcs_packages = ctx.attr.include_srcs_packages,
exclude_srcs_packages = ctx.attr.exclude_srcs_packages,
include_srcs_patterns = ctx.attr.include_srcs_patterns,
exclude_srcs_patterns = ctx.attr.exclude_srcs_patterns,
exclude_prefixes = ctx.attr.exclude_prefixes,
@ -443,6 +562,8 @@ def copy_to_directory_action(
additional_files = [],
root_paths = ["."],
include_external_repositories = [],
include_srcs_packages = ["**"],
exclude_srcs_packages = [],
include_srcs_patterns = ["**"],
exclude_srcs_patterns = [],
exclude_prefixes = [],
@ -471,6 +592,14 @@ def copy_to_directory_action(
See copy_to_directory rule documentation for more details.
include_srcs_packages: List of Bazel packages to include in output directory.
See copy_to_directory rule documentation for more details.
exclude_srcs_packages: List of Bazel packages (with glob support) to exclude from output directory.
See copy_to_directory rule documentation for more details.
include_srcs_patterns: List of paths (with glob support) to include in output directory.
See copy_to_directory rule documentation for more details.
@ -500,10 +629,12 @@ def copy_to_directory_action(
# Convert and append exclude_prefixes to exclude_srcs_patterns
# TODO(2.0): remove exclude_prefixes this block and in a future breaking release
for exclude_prefix in exclude_prefixes:
if exclude_prefix.endswith("*"):
msg = "exclude_prefix '{}' must not end with '*' or '**' glob expression".format(exclude_prefix)
fail(msg)
if exclude_prefix.endswith("/"):
if exclude_prefix.endswith("**"):
exclude_srcs_patterns.append(exclude_prefix)
elif exclude_prefix.endswith("*"):
exclude_srcs_patterns.append(exclude_prefix + "/**")
exclude_srcs_patterns.append(exclude_prefix)
elif exclude_prefix.endswith("/"):
exclude_srcs_patterns.append(exclude_prefix + "**")
else:
exclude_srcs_patterns.append(exclude_prefix + "*/**")
@ -519,6 +650,8 @@ def copy_to_directory_action(
src = src,
root_paths = root_paths,
include_external_repositories = include_external_repositories,
include_srcs_packages = include_srcs_packages,
exclude_srcs_packages = exclude_srcs_packages,
include_srcs_patterns = include_srcs_patterns,
exclude_srcs_patterns = exclude_srcs_patterns,
replace_prefixes = replace_prefixes,
@ -533,6 +666,8 @@ def copy_to_directory_action(
src = src_file,
root_paths = root_paths,
include_external_repositories = include_external_repositories,
include_srcs_packages = include_srcs_packages,
exclude_srcs_packages = exclude_srcs_packages,
include_srcs_patterns = include_srcs_patterns,
exclude_srcs_patterns = exclude_srcs_patterns,
replace_prefixes = replace_prefixes,
@ -549,6 +684,8 @@ def copy_to_directory_action(
src = additional_file,
root_paths = root_paths,
include_external_repositories = include_external_repositories,
include_srcs_packages = include_srcs_packages,
exclude_srcs_packages = exclude_srcs_packages,
include_srcs_patterns = include_srcs_patterns,
exclude_srcs_patterns = exclude_srcs_patterns,
replace_prefixes = replace_prefixes,

64
lib/tests/copy_to_directory/BUILD.bazel
View File

@ -24,6 +24,10 @@ load("//lib:directory_path.bzl", "make_directory_paths")
"expected_9",
"expected_10",
"expected_13_14",
"expected_15",
"expected_16",
"expected_17",
"expected_18",
]
]
@ -46,7 +50,7 @@ case_srcs = [
copy_to_directory(
name = "case_1",
srcs = case_srcs,
include_external_repositories = ["external_test_repo"],
include_external_repositories = ["externa?_*_rep*"],
)
diff_test(
@ -338,3 +342,61 @@ diff_test(
file1 = "case_14",
file2 = ":expected_13_14",
)
# Case 15: include_srcs_packages
copy_to_directory(
name = "case_15",
srcs = case_srcs,
include_external_repositories = ["externa?_*_rep*"],
include_srcs_packages = [package_name()],
)
diff_test(
name = "case_15_test",
file1 = "case_15",
file2 = ":expected_15",
)
# Case 16: include_srcs_packages multiple with root package
copy_to_directory(
name = "case_16",
srcs = case_srcs,
include_external_repositories = ["externa?_*_rep*"],
include_srcs_packages = [
package_name(),
"",
],
)
diff_test(
name = "case_16_test",
file1 = "case_16",
file2 = ":expected_16",
)
# Case 17: exclude_srcs_packages
copy_to_directory(
name = "case_17",
srcs = case_srcs,
exclude_srcs_packages = [package_name()],
)
diff_test(
name = "case_17_test",
file1 = "case_17",
file2 = ":expected_17",
)
# Case 18: exclude_srcs_packages to exclude all subpackages
copy_to_directory(
name = "case_18",
srcs = case_srcs,
exclude_srcs_packages = ["{}/**".format(package_name())],
include_external_repositories = ["e?ter*_test_repo"],
)
diff_test(
name = "case_18_test",
file1 = "case_18",
file2 = ":expected_18",
)

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