Chore/spm migration

.github/workflows/swiftlint.yml

@@ -38,8 +38,7 @@ jobs:
 
       - name: SwiftLint
         run: |
-          export PODS_ROOT=$(pwd)/Pods
-          "${PODS_ROOT}/SwiftLint/swiftlint" --reporter sarif > swiftlint.report.sarif
+          BuildTools/bin/swiftlint --reporter sarif > swiftlint.report.sarif
 
       - name: Prepare swiftlint.report.sarif
         if: success() || failure()

.gitignore

@@ -7,7 +7,6 @@ xcuserdata/
 *.xcuserdata/*
 /OpenEdX.xcodeproj/xcuserdata/
 /OpenEdX.xcworkspace/xcuserdata/
-/OpenEdX.xcworkspace/xcshareddata/swiftpm/Package.resolved
 
 ## compatibility with Xcode 8 and earlier (ignoring not required starting Xcode 9)
 *.xcscmblueprint

.swiftlint.yml

@@ -19,6 +19,7 @@ opt_in_rules: # some rules are only opt-in
 excluded: # paths to ignore during linting. Takes precedence over `included`.
   - Carthage
   - DerivedData
+  - build
   - Pods
   - DerivedData
   - Core/CoreTests

BuildTools/.gitignore

@@ -0,0 +1,2 @@
+/bin/
+/.swiftpm/

BuildTools/Package.swift

@@ -0,0 +1,28 @@
+// swift-tools-version:5.9
+
+// Command-line tools used by the Xcode build phases, fastlane and CI.
+// Each one is the prebuilt release binary of an exact version, verified by its checksum.
+// After changing a version here, run `make bootstrap` to fetch it.
+
+import PackageDescription
+
+let package = Package(
+    name: "BuildTools",
+    targets: [
+        .binaryTarget(
+            name: "swiftlint",
+            url: "https://github.com/realm/SwiftLint/releases/download/0.57.0/SwiftLintBinary-macos.artifactbundle.zip",
+            checksum: "a1bbafe57538077f3abe4cfb004b0464dcd87e8c23611a2153c675574b858b3a"
+        ),
+        .binaryTarget(
+            name: "swiftgen",
+            url: "https://github.com/SwiftGen/SwiftGen/releases/download/6.6.3/swiftgen-6.6.3.artifactbundle.zip",
+            checksum: "caf1feaf93dd32bc5037f0b6ded8d0f4fe28ab5d2f6e5c3edf2572006ba0b7eb"
+        ),
+        .binaryTarget(
+            name: "mockolo",
+            url: "https://github.com/uber/mockolo/releases/download/2.5.0/mockolo.artifactbundle.zip",
+            checksum: "107825279e5c7c2f8ef021320d8054e0b36fcb9e634d02d2ff1bde6d8b460722"
+        )
+    ]
+)

BuildTools/bootstrap.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+
+# Fetches the tools pinned in BuildTools/Package.swift and links them into BuildTools/bin,
+# where the Xcode build phases, fastlane and CI run them from.
+# Usage: make bootstrap
+
+set -euo pipefail
+
+cd "$(dirname "${BASH_SOURCE[0]}")"
+
+TOOLS=(swiftlint swiftgen mockolo)
+
+# Prints the executable of the given tool for this Mac, read from the info.json of its artifact bundle.
+executable_path() {
+    local tool="$1" triple info index path triples
+    triple="$(uname -m)-apple-macosx"
+    while IFS= read -r info; do
+        index=0
+        while path=$(plutil -extract "artifacts.${tool}.variants.${index}.path" raw -o - "${info}" 2>/dev/null); do
+            triples=$(plutil -extract "artifacts.${tool}.variants.${index}.supportedTriples" json -o - "${info}")
+            if [[ "${triples}" == *"\"${triple}\""* ]]; then
+                echo "$(dirname "${info}")/${path}"
+                return 0
+            fi
+            index=$((index + 1))
+        done
+    done < <(find .build/artifacts -path '*.artifactbundle/info.json' -not -path '*/extract/*')
+    return 1
+}
+
+swift package resolve
+
+mkdir -p bin
+for tool in "${TOOLS[@]}"; do
+    if ! executable=$(executable_path "${tool}") || [[ ! -x "${executable}" ]]; then
+        echo "error: ${tool} was not found in the resolved artifacts of BuildTools/Package.swift" >&2
+        exit 1
+    fi
+    ln -sfn "../${executable}" "bin/${tool}"
+    echo "BuildTools/bin/${tool} -> ${executable}"
+done