Pipeline: Enable unacceptable language checks

.unacceptablelanguageignore

@@ -0,0 +1,10 @@
+# contains a GitHub URL that does not have a main branch
+NOTICE.txt
+Sources/PackageGraph/Resolution/PubGrub/PubGrubDependencyResolver.swift
+Sources/PackageGraph/Resolution/PubGrub/Term.swift
+Sources/PackageGraph/VersionSetSpecifier.swift
+# use kill(...) API
+Sources/Basics/Cancellator.swift
+Sources/Basics/Concurrency/AsyncProcess.swift
+# Code recommends using branch `main` if it exists and `master` was provided in the Pacakge.swift
+Sources/Workspace/PackageContainer/SourceControlPackageContainer.swift

CONTRIBUTING.md

@@ -2,7 +2,7 @@
 
 There are several types of contributions one can make. Bug fixes, documentation and enhancements that do not materially change the user facing semantics of Swift Package Manager should be submitted directly as PR.
 
-Larger changes that do materially change the semantics of Swift Package Manager (e.g. changes to the manifest format or behavior) are required to go through [Swift Evolution Process](https://github.com/swiftlang/swift-evolution/blob/master/process.md).
+Larger changes that do materially change the semantics of Swift Package Manager (e.g. changes to the manifest format or behavior) are required to go through [Swift Evolution Process](https://github.com/swiftlang/swift-evolution/blob/main/process.md).
 
 To see how previous evolution decisions for SwiftPM have been made and have some direction for the development of future features please check out the [Community Proposals](https://forums.swift.org/tag/packagemanager).
 
@@ -16,7 +16,7 @@ Fill the following fields:
 
 * `Title`: A one line summary of the problem you're facing.
 * `Description`: The complete description of the problem. Be specific.
-* `Expected behavior`: How you expect SwiftPM to behave. 
+* `Expected behavior`: How you expect SwiftPM to behave.
 * `Actual behavior` : What actually happens.
 * `Steps to reproduce`: Be specific, provide steps to reproduce the bug.
 * `Swift Package Manager version/commit hash` : With which version are you testing.
@@ -510,5 +510,5 @@ Make sure to update your TSC (Tools Support Core):
 ```bash
 $> swift package update
 ```
-Alternatively, if you are using Xcode, you can update to the latest version of all packages:  
+Alternatively, if you are using Xcode, you can update to the latest version of all packages:
 **Xcode App** > *File* > *Swift Packages* > *Update to Latest Package Versions*

Documentation/Design/EvolutionIdeas.md

@@ -13,7 +13,7 @@ If you're interested in participating in a particular evolution idea, please
 familiarize yourself with the existing discussion on that topic and start
 participating in the discussion thread of that idea. If a thread doesn't exist
 for that idea, please start one with a [draft
-proposal](https://github.com/swiftlang/swift-evolution/blob/master/proposal-templates/0000-swiftpm-template.md)
+proposal](https://github.com/swiftlang/swift-evolution/blob/main/proposal-templates/0000-swiftpm-template.md)
 that can be used as a starting point.
 
 **Important Note**: This list is not in any particular order. I plan to keep

Documentation/PackageRegistry/Registry.md

@@ -186,11 +186,11 @@ Valid `Accept` header field values are described by the following rules:
 ```
 
 A server MUST set the `Content-Type` header field
-with the corresponding content type of the response. 
+with the corresponding content type of the response.
 
 A server MUST set the `Content-Version` header field
-with the API version number of the response, unless 
-explicitly stated otherwise. 
+with the API version number of the response, unless
+explicitly stated otherwise.
 
 ```http
 HTTP/1.1 200 OK
@@ -523,11 +523,11 @@ with a given combination of `name` and `type` values.
 
 #### 4.2.2. Package release metadata standards
 
-[Appendix B](#appendix-b---package-release-metadata-json-schema) 
+[Appendix B](#appendix-b---package-release-metadata-json-schema)
 defines the JSON schema for package release metadata that
 gets submitted as part of the ["create a package release"](#endpoint-6)
-request. A server MAY allow and/or populate additional metadata by 
-expanding the schema. The `metadata` key in the 
+request. A server MAY allow and/or populate additional metadata by
+expanding the schema. The `metadata` key in the
 ["fetch information about a package release "](#endpoint-2) API response
 will hold the user-provided as well as the server populated metadata.
 
@@ -717,7 +717,7 @@ It is RECOMMENDED for clients and servers to support
 range requests as described by [RFC 7233]
 and caching as described by [RFC 7234].
 
-If a release is signed, a server MUST include 
+If a release is signed, a server MUST include
 `X-Swift-Package-Signature-Format` and `X-Swift-Package-Signature`
 headers in the response.
 
@@ -777,7 +777,7 @@ Digest: sha-256=a2ac54cf25fbc1ad0028f03f0aa4b96833b83bb05a14e510892bb27dea4dc812
 
 A client MUST validate the signature of a signed archive
 according to the signature format and configuration. Signing
-information can alternatively be found in the associated 
+information can alternatively be found in the associated
 `source-archive` resource in the response to `GET /{scope}/{name}/{version}`,
 as described in [4.2.1](#421-package-release-resources).
 
@@ -830,12 +830,12 @@ caching as described by [RFC 7234].
 #### 4.5.1 URL to package identifier mappings
 
 As part of the [package release metadata](#422-package-release-metadata-standards)
-JSON object, the `repositoryURLs` array can be used to specify 
-URLs associated with a package identifier. This is one way 
-through which a server can obtain URL to package identifier 
-mappings for this API. 
+JSON object, the `repositoryURLs` array can be used to specify
+URLs associated with a package identifier. This is one way
+through which a server can obtain URL to package identifier
+mappings for this API.
 
-A server MAY choose other mechanism(s) for package authors 
+A server MAY choose other mechanism(s) for package authors
 to specify these mappings.
 
 A server SHOULD validate the package author's ownership claim
@@ -859,19 +859,19 @@ with the following sections:
 | `metadata`                 | `application/json`         | Additional information about the release. | OPTIONAL          |
 | `metadata-signature`       | `application/octet-stream` | The signature of the metadata.            | OPTIONAL          |
 
-A client MUST set a `Content-Type` header with the value 
+A client MUST set a `Content-Type` header with the value
 `multipart/form-data`. `boundary` can be any string.
 
 A client MAY use any valid value (e.g., `binary`) for the
 `Content-Transfer-Encoding` header.
 
-A client SHOULD set the `Content-Length` header with 
+A client SHOULD set the `Content-Length` header with
 the total size of the body in bytes.
 
 A client SHOULD set the `Accept` header with the value
 `application/vnd.swift.registry.v1+json`.
 
-A client MUST set a `X-Swift-Package-Signature-Format` header 
+A client MUST set a `X-Swift-Package-Signature-Format` header
 with the signature format if the source archive is signed.
 
 ```http
@@ -1079,7 +1079,7 @@ Content-Language: en
 {
    "detail": "invalid JSON provided for release metadata"
 }
-``` 
+```
 
 #### 4.6.3. Synchronous and asynchronous publication
 
@@ -1262,13 +1262,13 @@ See [registry.openapi.yaml](./registry.openapi.yaml).
 
 ## Appendix B - Package Release Metadata JSON Schema
 
-The `metadata` section of the [create package release request](#46-create-a-package-release) 
+The `metadata` section of the [create package release request](#46-create-a-package-release)
 must be a JSON object of type [`PackageRelease`](#packagerelease-type), as defined in the
 JSON schema below.
 
 <details>
 
-<summary>Expand to view <a href="https://json-schema.org/specification.html">JSON schema</a></summary>  
+<summary>Expand to view <a href="https://json-schema.org/specification.html">JSON schema</a></summary>
 
 ```json
 {
@@ -1282,52 +1282,52 @@ JSON schema below.
       "type": "object",
       "properties": {
         "name": {
-          "type": "string",      
+          "type": "string",
           "description": "Name of the author."
-        },  
+        },
         "email": {
           "type": "string",
           "format": "email",
           "description": "Email address of the author."
-        },              
+        },
         "description": {
-          "type": "string",      
+          "type": "string",
           "description": "A description of the author."
         },
         "organization": {
           "type": "object",
           "properties": {
             "name": {
-              "type": "string",      
+              "type": "string",
               "description": "Name of the organization."
-            },  
+            },
             "email": {
               "type": "string",
-              "format": "email",      
+              "format": "email",
               "description": "Email address of the organization."
-            },              
+            },
             "description": {
-              "type": "string",      
+              "type": "string",
               "description": "A description of the organization."
-            },        
+            },
             "url": {
               "type": "string",
-              "format": "uri",      
+              "format": "uri",
               "description": "URL of the organization."
-            },        
+            },
           },
           "required": ["name"]
-        },                
+        },
         "url": {
-          "type": "string", 
-          "format": "uri",     
+          "type": "string",
+          "format": "uri",
           "description": "URL of the author."
-        },        
+        },
       },
       "required": ["name"]
     },
     "description": {
-      "type": "string",      
+      "type": "string",
       "description": "A description of the package release."
     },
     "licenseURL": {
@@ -1342,7 +1342,7 @@ JSON schema below.
     },
     "readmeURL": {
       "type": "string",
-      "format": "uri",      
+      "format": "uri",
       "description": "URL of the README specifically for the package release or broadly for the package."
     },
     "repositoryURLs": {
@@ -1351,7 +1351,7 @@ JSON schema below.
       "items": {
         "type": "string",
         "description": "Code repository URL."
-      }      
+      }
     }
   }
 }
@@ -1427,6 +1427,6 @@ JSON schema below.
 [thundering herd effect]: https://en.wikipedia.org/wiki/Thundering_herd_problem "Thundering herd problem"
 [offline cache]: https://yarnpkg.com/features/offline-cache "Offline Cache | Yarn - Package Manager"
 [XCFramework]: https://developer.apple.com/videos/play/wwdc2019/416/ "WWDC 2019 Session 416: Binary Frameworks in Swift"
-[SE-0272]: https://github.com/swiftlang/swift-evolution/blob/master/proposals/0272-swiftpm-binary-dependencies.md "Package Manager Binary Dependencies"
+[SE-0272]: https://github.com/swiftlang/swift-evolution/blob/main/proposals/0272-swiftpm-binary-dependencies.md "Package Manager Binary Dependencies"
 [Swift tools version]: https://github.com/swiftlang/swift-package-manager/blob/9b9bed7eaf0f38eeccd0d8ca06ae08f6689d1c3f/Documentation/Usage.md#swift-tools-version-specification "Swift Tools Version Specification"
 [ISO 8601]: https://www.iso.org/iso-8601-date-and-time-format.html "ISO 8601 Date and Time Format"

Documentation/libSwiftPM.md

@@ -10,7 +10,7 @@ A subset of `libSwiftPM` that includes only the data model (without SwiftPM's
 build system) is available as `libSwiftPMDataModel`.  Any one client should
 depend on one or the other, but not both.
 
-The SwiftPM repository contains an [example](https://github.com/swiftlang/swift-package-manager/tree/master/Examples/package-info) that demonstrates the use of
+The SwiftPM repository contains an [example](https://github.com/swiftlang/swift-package-manager/tree/main/Examples/package-info) that demonstrates the use of
 `libSwiftPM` in a Swift package. Use the following commands to run the example
 package:
 

Fixtures/Collections/GitHub/license.json

@@ -3,17 +3,17 @@
   "path": "LICENSE",
   "sha": "401c59dcc4570b954dd6d345e76199e1f4e76266",
   "size": 1077,
-  "url": "https://api.github.com/repos/benbalter/gman/contents/LICENSE?ref=master",
-  "html_url": "https://github.com/benbalter/gman/blob/master/LICENSE",
+  "url": "https://api.github.com/repos/benbalter/gman/contents/LICENSE?ref=main",
+  "html_url": "https://github.com/benbalter/gman/blob/main/LICENSE",
   "git_url": "https://api.github.com/repos/benbalter/gman/git/blobs/401c59dcc4570b954dd6d345e76199e1f4e76266",
-  "download_url": "https://raw.githubusercontent.com/benbalter/gman/master/LICENSE?lab=true",
+  "download_url": "https://raw.githubusercontent.com/benbalter/gman/main/LICENSE?lab=true",
   "type": "file",
   "content": "VGhlIE1JVCBMaWNlbnNlIChNSVQpCgpDb3B5cmlnaHQgKGMpIDIwMTMgQmVu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\nSEUgVVNFIE9SIE9USEVSIERFQUxJTkdTIElOIFRIRSBTT0ZUV0FSRS4K\n",
   "encoding": "base64",
   "_links": {
-    "self": "https://api.github.com/repos/benbalter/gman/contents/LICENSE?ref=master",
+    "self": "https://api.github.com/repos/benbalter/gman/contents/LICENSE?ref=main",
     "git": "https://api.github.com/repos/benbalter/gman/git/blobs/401c59dcc4570b954dd6d345e76199e1f4e76266",
-    "html": "https://github.com/benbalter/gman/blob/master/LICENSE"
+    "html": "https://github.com/benbalter/gman/blob/main/LICENSE"
   },
   "license": {
     "key": "mit",

Fixtures/Collections/GitHub/metadata.json

@@ -77,7 +77,7 @@
   "watchers_count": 80,
   "watchers": 80,
   "size": 108,
-  "default_branch": "master",
+  "default_branch": "main",
   "open_issues_count": 0,
   "open_issues": 0,
   "is_template": true,
@@ -215,7 +215,7 @@
     "stargazers_count": 80,
     "watchers_count": 80,
     "size": 108,
-    "default_branch": "master",
+    "default_branch": "main",
     "open_issues_count": 0,
     "is_template": true,
     "topics": [
@@ -337,7 +337,7 @@
     "stargazers_count": 80,
     "watchers_count": 80,
     "size": 108,
-    "default_branch": "master",
+    "default_branch": "main",
     "open_issues_count": 0,
     "is_template": true,
     "topics": [

Fixtures/Collections/GitHub/readme.json

@@ -8,11 +8,11 @@
   "sha": "3d21ec53a331a6f037a91c368710b99387d012c1",
   "url": "https://api.github.com/repos/octokit/octokit.rb/contents/README.md",
   "git_url": "https://api.github.com/repos/octokit/octokit.rb/git/blobs/3d21ec53a331a6f037a91c368710b99387d012c1",
-  "html_url": "https://github.com/octokit/octokit.rb/blob/master/README.md",
-  "download_url": "https://raw.githubusercontent.com/octokit/octokit.rb/master/README.md",
+  "html_url": "https://github.com/octokit/octokit.rb/blob/main/README.md",
+  "download_url": "https://raw.githubusercontent.com/octokit/octokit.rb/main/README.md",
   "_links": {
     "git": "https://api.github.com/repos/octokit/octokit.rb/git/blobs/3d21ec53a331a6f037a91c368710b99387d012c1",
     "self": "https://api.github.com/repos/octokit/octokit.rb/contents/README.md",
-    "html": "https://github.com/octokit/octokit.rb/blob/master/README.md"
+    "html": "https://github.com/octokit/octokit.rb/blob/main/README.md"
   }
 }

Fixtures/Collections/GitHub/releases.json

@@ -9,7 +9,7 @@
     "id": 1,
     "node_id": "MDc6UmVsZWFzZTE=",
     "tag_name": "v2.0.0",
-    "target_commitish": "master",
+    "target_commitish": "main",
     "name": "2.0.0",
     "body": "Description of the release",
     "draft": false,
@@ -72,7 +72,7 @@
         }
       }
     ]
-  },  
+  },
   {
     "url": "https://api.github.com/repos/octocat/Hello-World/releases/1",
     "html_url": "https://github.com/octocat/Hello-World/releases/v1.0.0",
@@ -83,7 +83,7 @@
     "id": 1,
     "node_id": "MDc6UmVsZWFzZTE=",
     "tag_name": "1.0.0",
-    "target_commitish": "master",
+    "target_commitish": "main",
     "name": "1.0.0",
     "body": "Description of the release",
     "draft": false,

Sources/Basics/Triple+Basics.swift

@@ -217,7 +217,6 @@ extension Triple {
         case _ where isDarwin():
             return ".bundle"
         default:
-            // See: https://github.com/apple/swift-corelibs-foundation/blob/master/Docs/FHS%20Bundles.md
             return ".resources"
         }
     }

Sources/Build/BuildDescription/SwiftModuleBuildDescription.swift

@@ -791,7 +791,7 @@ public final class SwiftModuleBuildDescription {
     }
 
     func writeOutputFileMap(to path: AbsolutePath) throws {
-        let masterDepsPath = self.tempsPath.appending("master.swiftdeps")
+        let mainDepsPath = self.tempsPath.appending("main.swiftdeps")
 
         var content =
             #"""
@@ -822,7 +822,7 @@ public final class SwiftModuleBuildDescription {
         }
         content +=
             #"""
-                "swift-dependencies": "\#(masterDepsPath._nativePathString(escaped: true))"
+                "swift-dependencies": "\#(mainDepsPath._nativePathString(escaped: true))"
               },
 
             """#
@@ -1043,7 +1043,7 @@ public final class SwiftModuleBuildDescription {
 
         let toolchainFlags = self.buildParameters.toolchain.extraFlags.swiftCompilerFlags
         if toolchainFlags.contains(queryFlags) { return true }
-        
+
         let generalFlags = self.buildParameters.flags.swiftCompilerFlags
         if generalFlags.contains(queryFlags) { return true }