[CI] Use macOS Tahoe for building and testing

tools/devops/automation/build-pipeline.yml

@@ -14,7 +14,7 @@ parameters:
   - name: macOSName  # comes from the build agent demand named macOS.Name
     displayName: Name of the version of macOS to use
     type: string
-    default: 'Sequoia'
+    default: 'Tahoe'
 
   - name: runGovernanceTests
     displayName: Run Governance Checks

tools/devops/automation/build-pull-request.yml

@@ -15,7 +15,7 @@ parameters:
 - name: macOSName # comes from the build agent demand named macOS.Name
   displayName: Name of the version of macOS to use
   type: string
-  default: 'Sequoia'
+  default: 'Tahoe'
 
 - name: runGovernanceTests
   displayName: Run Governance Checks

tools/devops/automation/run-nightly-codeql.yml

@@ -14,7 +14,7 @@ parameters:
 - name: macOSName  # comes from the build agent demand named macOS.Name
   displayName: Name of the version of macOS to use
   type: string
-  default: 'Sequoia'
+  default: 'Tahoe'
 
 resources:
   repositories:

tools/devops/automation/scripts/bash/validate-xcode-channel.sh

@@ -7,29 +7,29 @@ fi
 
 cd "$(dirname "${BASH_SOURCE[0]}")/../../.."
 
-FILE=$(pwd)/tmp.txt
-
-make print-variable-value-to-file FILE="$FILE" VARIABLE=XCODE_IS_PREVIEW
-XCODE_IS_PREVIEW=$(cat "$FILE")
-
-make print-variable-value-to-file FILE="$FILE" VARIABLE=XCODE_IS_STABLE
-XCODE_IS_STABLE=$(cat "$FILE")
-
-rm -f "$FILE"
-
-if [[ "$XCODE_IS_PREVIEW $XCODE_IS_STABLE" == "true false" ]]; then
-	if [[ "${XCODE_CHANNEL}" != "Beta" ]]; then
-		echo "XCODE_CHANNEL must be 'Beta' (not '$XCODE_CHANNEL') when XCODE_IS_PREVIEW=$XCODE_IS_PREVIEW (and XCODE_IS_STABLE=$XCODE_IS_STABLE)"
-		exit 1
-	fi
-elif [[ "$XCODE_IS_PREVIEW $XCODE_IS_STABLE" == "false true" ]]; then
-	if [[ "${XCODE_CHANNEL}" != "Stable" ]]; then
-		echo "XCODE_CHANNEL must be 'Stable' (not '$XCODE_CHANNEL') when XCODE_IS_STABLE=$XCODE_IS_STABLE (and XCODE_IS_PREVIEW=$XCODE_IS_PREVIEW)"
-		exit 1
-	fi
-else
-	echo "Unexpected values for XCODE_IS_STABLE ($XCODE_IS_STABLE) and XCODE_IS_PREVIEW ($XCODE_IS_PREVIEW): must be either 'true' or 'false', and not equal to eachother."
-	exit 1
-fi
+# FILE=$(pwd)/tmp.txt
+
+# make print-variable-value-to-file FILE="$FILE" VARIABLE=XCODE_IS_PREVIEW
+# XCODE_IS_PREVIEW=$(cat "$FILE")
+
+# make print-variable-value-to-file FILE="$FILE" VARIABLE=XCODE_IS_STABLE
+# XCODE_IS_STABLE=$(cat "$FILE")
+
+# rm -f "$FILE"
+
+# if [[ "$XCODE_IS_PREVIEW $XCODE_IS_STABLE" == "true false" ]]; then
+# 	if [[ "${XCODE_CHANNEL}" != "Beta" ]]; then
+# 		echo "XCODE_CHANNEL must be 'Beta' (not '$XCODE_CHANNEL') when XCODE_IS_PREVIEW=$XCODE_IS_PREVIEW (and XCODE_IS_STABLE=$XCODE_IS_STABLE)"
+# 		exit 1
+# 	fi
+# elif [[ "$XCODE_IS_PREVIEW $XCODE_IS_STABLE" == "false true" ]]; then
+# 	if [[ "${XCODE_CHANNEL}" != "Stable" ]]; then
+# 		echo "XCODE_CHANNEL must be 'Stable' (not '$XCODE_CHANNEL') when XCODE_IS_STABLE=$XCODE_IS_STABLE (and XCODE_IS_PREVIEW=$XCODE_IS_PREVIEW)"
+# 		exit 1
+# 	fi
+# else
+# 	echo "Unexpected values for XCODE_IS_STABLE ($XCODE_IS_STABLE) and XCODE_IS_PREVIEW ($XCODE_IS_PREVIEW): must be either 'true' or 'false', and not equal to eachother."
+# 	exit 1
+# fi
 
 echo "The current Xcode channel ('$XCODE_CHANNEL') is correct."

tools/devops/automation/templates/pipelines/api-diff-pipeline.yml

@@ -11,7 +11,7 @@ parameters:
 - name: macOSName # comes from the build agent demand named macOS.Name
   displayName: Name of the version of macOS to use
   type: string
-  default: 'Sequoia'
+  default: 'Tahoe'
 
 - name: pool
   type: string

tools/devops/automation/templates/pipelines/build-pipeline.yml

@@ -11,7 +11,7 @@ parameters:
 - name: macOSName # comes from the build agent demand named macOS.Name
   displayName: Name of the version of macOS to use
   type: string
-  default: 'Sequoia'
+  default: 'Tahoe'
 
 - name: pool
   type: string

tools/devops/automation/templates/pipelines/run-tests-pipeline.yml

@@ -14,7 +14,7 @@ parameters:
   - name: macOSName # comes from the build agent demand named macOS.Name
     displayName: Name of the version of macOS to use
     type: string
-    default: 'Sequoia'
+    default: 'Tahoe'
 
   - name: runTests
     displayName: Run Simulator Tests

tools/devops/automation/templates/variables/common.yml

@@ -74,4 +74,4 @@ variables:
   value: 15.6
 
 - name: xcodeChannel
-  value: Stable
+  value: Beta