Simplify insertion of vcpkg-tool release (#32677)

scripts/bootstrap.ps1

@@ -45,7 +45,10 @@ while (!($vcpkgRootDir -eq "") -and !(Test-Path "$vcpkgRootDir\.vcpkg-root"))
 
 Write-Verbose "Examining $vcpkgRootDir for .vcpkg-root - Found"
 
-$versionDate = '2023-07-19'
+# Read the vcpkg-tool config file to determine what release to download
+$Config = ConvertFrom-StringData (Get-Content "$PSScriptRoot\vcpkg-tool-metadata.txt" -Raw)
+$versionDate = $Config.VCPKG_TOOL_RELEASE_TAG
+
 if ($env:PROCESSOR_ARCHITECTURE -eq 'ARM64' -or $env:PROCESSOR_IDENTIFIER -match "ARMv[8,9] \(64-bit\)") {
     & "$scriptsDir/tls12-download-arm64.exe" github.com "/microsoft/vcpkg-tool/releases/download/$versionDate/vcpkg-arm64.exe" "$vcpkgRootDir\vcpkg.exe"
 } else {
@@ -60,6 +63,8 @@ if ($LASTEXITCODE -ne 0)
     throw
 }
 
+& "$vcpkgRootDir\vcpkg.exe" version
+
 if ($disableMetrics)
 {
     Set-Content -Value "" -Path "$vcpkgRootDir\vcpkg.disable-metrics" -Force

scripts/bootstrap.sh

@@ -118,36 +118,6 @@ if [ "$vcpkgUseSystem" = "ON" ]; then
     vcpkgCheckRepoTool gcc
 fi
 
-# Determine what we are going to do to bootstrap:
-# MacOS -> Download vcpkg-macos
-# Linux
-#   useMuslC -> download vcpkg-muslc
-#   amd64 -> download vcpkg-glibc
-# Otherwise
-#   Download and build from source
-
-# Choose the vcpkg binary to download
-vcpkgDownloadTool="ON"
-vcpkgToolReleaseTag="2023-07-19"
-if [ "$UNAME" = "Darwin" ]; then
-    echo "Downloading vcpkg-macos..."
-    vcpkgToolReleaseSha="57a39cf5ba4cea55847995fe748f569c9908c84e9edeab0a8c7a8e80d5bed6e981149172aabbdb1cf458deef74e883fc5b8c9781f6a59b723f8618c6045c2391"
-    vcpkgToolName="vcpkg-macos"
-elif [ "$vcpkgUseMuslC" = "ON" ]; then
-    echo "Downloading vcpkg-muslc..."
-    vcpkgToolReleaseSha="a24c2f06bf4129892e5ae1dafbec692cbdd5483aae101b2a98632a5cc63ac95458943714b1a22072962fcbcb83d08ef37efa65f4b4cf2311b9e7d541c98276ea"
-    vcpkgToolName="vcpkg-muslc"
-elif [ "$ARCH" = "x86_64" ]; then
-    echo "Downloading vcpkg-glibc..."
-    vcpkgToolReleaseSha="2338c759b14257f0167202886080bc872a6ea2578b27b034d2432b209e99d81e8d37f4a1ce215e5d4875648a89ff5bc9bfb560b824c87163572233262d5581c5"
-    vcpkgToolName="vcpkg-glibc"
-else
-    echo "Unable to determine a binary release of vcpkg; attempting to build from source."
-    vcpkgDownloadTool="OFF"
-    vcpkgToolReleaseSha="9381e91e457c2efc69cbaad1354b06bb540689e95f86f5c883cfbd6f5f05b5511a92c349b4d0d090a09b4a31197327c559737fb84375a4c23d4cb92049ecf73c"
-fi
-
-# Do the download or build.
 vcpkgCheckEqualFileHash()
 {
     url=$1; filePath=$2; expectedHash=$3
@@ -193,8 +163,39 @@ vcpkgExtractTar()
     mv "$toPath.partial" "$toPath"
 }
 
+# Determine what we are going to do to bootstrap:
+# MacOS -> Download vcpkg-macos
+# Linux
+#   useMuslC -> download vcpkg-muslc
+#   amd64 -> download vcpkg-glibc
+# Otherwise
+#   Download and build from source
+
+# Read the vcpkg-tool config file to determine what release to download
+. "$vcpkgRootDir/scripts/vcpkg-tool-metadata.txt"
+
+vcpkgDownloadTool="ON"
+if [ "$UNAME" = "Darwin" ]; then
+    echo "Downloading vcpkg-macos..."
+    vcpkgToolReleaseSha=$VCPKG_MACOS_SHA
+    vcpkgToolName="vcpkg-macos"
+elif [ "$vcpkgUseMuslC" = "ON" ]; then
+    echo "Downloading vcpkg-muslc..."
+    vcpkgToolReleaseSha=$VCPKG_MUSLC_SHA
+    vcpkgToolName="vcpkg-muslc"
+elif [ "$ARCH" = "x86_64" ]; then
+    echo "Downloading vcpkg-glibc..."
+    vcpkgToolReleaseSha=$VCPKG_GLIBC_SHA
+    vcpkgToolName="vcpkg-glibc"
+else
+    echo "Unable to determine a binary release of vcpkg; attempting to build from source."
+    vcpkgDownloadTool="OFF"
+    vcpkgToolReleaseSha=$VCPKG_TOOL_SOURCE_SHA
+fi
+
+# Do the download or build.
 if [ "$vcpkgDownloadTool" = "ON" ]; then
-    vcpkgDownloadFile "https://github.com/microsoft/vcpkg-tool/releases/download/$vcpkgToolReleaseTag/$vcpkgToolName" "$vcpkgRootDir/vcpkg" $vcpkgToolReleaseSha
+    vcpkgDownloadFile "https://github.com/microsoft/vcpkg-tool/releases/download/$VCPKG_TOOL_RELEASE_TAG/$vcpkgToolName" "$vcpkgRootDir/vcpkg" $vcpkgToolReleaseSha
 else
     if [ "x$CXX" = "x" ]; then
         if which g++-12 >/dev/null 2>&1; then
@@ -217,13 +218,13 @@ else
         # If we can't find g++, allow CMake to do the look-up
     fi
 
-    vcpkgToolReleaseTarball="$vcpkgToolReleaseTag.tar.gz"
+    vcpkgToolReleaseTarball="$VCPKG_TOOL_RELEASE_TAG.tar.gz"
     vcpkgToolUrl="https://github.com/microsoft/vcpkg-tool/archive/$vcpkgToolReleaseTarball"
     baseBuildDir="$vcpkgRootDir/buildtrees/_vcpkg"
     buildDir="$baseBuildDir/build"
     tarballPath="$downloadsDir/$vcpkgToolReleaseTarball"
     srcBaseDir="$baseBuildDir/src"
-    srcDir="$srcBaseDir/vcpkg-tool-$vcpkgToolReleaseTag"
+    srcDir="$srcBaseDir/vcpkg-tool-$VCPKG_TOOL_RELEASE_TAG"
 
     if [ -e "$tarballPath" ]; then
         vcpkgCheckEqualFileHash "$vcpkgToolUrl" "$tarballPath" "$vcpkgToolReleaseSha"
@@ -249,6 +250,8 @@ else
     cp "$buildDir/vcpkg" "$vcpkgRootDir/"
 fi
 
+"$vcpkgRootDir/vcpkg" version
+
 # Apply the disable-metrics marker file.
 if [ "$vcpkgDisableMetrics" = "ON" ]; then
     touch "$vcpkgRootDir/vcpkg.disable-metrics"

scripts/vcpkg-tool-metadata.txt

@@ -0,0 +1,5 @@
+VCPKG_TOOL_RELEASE_TAG=2023-07-19
+VCPKG_MACOS_SHA=57a39cf5ba4cea55847995fe748f569c9908c84e9edeab0a8c7a8e80d5bed6e981149172aabbdb1cf458deef74e883fc5b8c9781f6a59b723f8618c6045c2391
+VCPKG_MUSLC_SHA=a24c2f06bf4129892e5ae1dafbec692cbdd5483aae101b2a98632a5cc63ac95458943714b1a22072962fcbcb83d08ef37efa65f4b4cf2311b9e7d541c98276ea
+VCPKG_GLIBC_SHA=2338c759b14257f0167202886080bc872a6ea2578b27b034d2432b209e99d81e8d37f4a1ce215e5d4875648a89ff5bc9bfb560b824c87163572233262d5581c5
+VCPKG_TOOL_SOURCE_SHA=9381e91e457c2efc69cbaad1354b06bb540689e95f86f5c883cfbd6f5f05b5511a92c349b4d0d090a09b4a31197327c559737fb84375a4c23d4cb92049ecf73c