ci: replace GHA with buildkite for unit test runs and release validation

.buildkite/pipeline.yml

@@ -0,0 +1,9 @@
+agents:
+  queue: "macOS-Monterey-12-4"
+
+steps:
+  - command: "./scripts/run-unit-tests.sh MuxUploadSDK"
+    label: ":xcode_simulator: Unit Tests"
+  - wait
+  - command: "./scripts/version-check.sh"
+    label: ":clipboard: Version Check"

scripts/run-unit-tests.sh

@@ -17,10 +17,6 @@ then
     exit 1
 fi
 
-echo "▸ Selecting Xcode 15.4"
-
-sudo xcode-select -s /Applications/Xcode_15.4.app/Contents/Developer
-
 echo "▸ Using Xcode Version: ${XCODE}"
 
 echo "▸ Available Xcode SDKs"
@@ -40,5 +36,5 @@ echo "▸ Test ${SCHEME}"
 xcodebuild clean test \
 	-scheme $SCHEME \
 	-destination 'platform=iOS Simulator,OS=17.5,name=iPhone 15' \
-	-sdk iphonesimulator17.5 \
+	-sdk iphonesimulator18.0 \
   | xcbeautify

scripts/version-check.sh

@@ -7,14 +7,26 @@ cocoapod_spec_version=$(grep -Eo '\b[0-9]+\.[0-9]+\.[0-9]+(-[0-9A-Za-z-]+)?(\+[0
 
 echo "Detected Cocoapod Spec Version: ${cocoapod_spec_version}"
 
-# Checks branch name for a v followed by a semantic version MAJOR.MINOR.PATCH string
-release_version=$(git branch --show-current | sed -E 's/.*v([0-9]+\.[0-9]+\.[0-9]+).*/\1/')
+SEMANTIC_VERSION_FILE=Sources/MuxUploadSDK/PublicAPI/SemanticVersion.swift
 
-echo "Inferred Release Version: ${release_version}"
+release_version=$(awk '
+    /let major/ { gsub(/[^0-9]/, "", $0); major = $0 }
+    /let minor/ { gsub(/[^0-9]/, "", $0); minor = $0 }
+    /let patch/ { gsub(/[^0-9]/, "", $0); patch = $0 }
+    END {
+        if (major && minor && patch) {
+            print major "." minor "." patch
+        } else {
+            print "Error: Version information not found"
+        }
+    }
+' <(grep -E 'let major|let minor|let patch' "$SEMANTIC_VERSION_FILE"))
+
+echo "Release version found in ${SEMANTIC_VERSION_FILE}: ${release_version}"
 
 if [ "${cocoapod_spec_version}" == "${release_version}" ]; then
 	echo "Versions match"
 else
-    echo "Versions do not match, please update ${COCOAPOD_SPEC} to ${release_version}"
+    echo "Versions do not match, please fix up ${COCOAPOD_SPEC} or ${release_version} to be consistent"
     exit 1
 fi