Make ANGLE BUILD patch deterministic

External/NativeStatic/patches/angle-chromium-7151.patch

@@ -1,23 +1,3 @@
-diff --git a/BUILD.gn b/BUILD.gn
-index 07e1268a57..25f7cba544 100644
---- a/BUILD.gn
-+++ b/BUILD.gn
-@@ -1576,4 +1576,15 @@ angle_static_library("libGLESv2_static") {
-+angle_static_library("libANGLE_static") {
-+  complete_static_lib = true
-+  public_deps = [ ":libANGLE" ]
-+}
-+
-+angle_static_library("libANGLE_with_capture_static") {
-+  complete_static_lib = true
-+  public_deps = [ ":libANGLE_with_capture" ]
-+}
-+
- angle_static_library("libGLESv2_static") {
-+  complete_static_lib = true
-   sources = libglesv2_sources
-   if (angle_enable_cl) {
-     sources += libglesv2_cl_sources
 diff --git a/DEPS b/DEPS
 index 9085ba513e..565840a832 100644
 --- a/DEPS

scripts/build-windows-static-graphics.ps1

@@ -183,8 +183,30 @@ function Sync-Angle {
 }
 
 function Apply-AnglePatches($Src) {
+    $buildFile = Join-Path $Src "BUILD.gn"
+    $buildText = Get-Content -Path $buildFile -Raw
+    if (-not $buildText.Contains('angle_static_library("libANGLE_static")')) {
+        $libAngleTargets = @'
+angle_static_library("libANGLE_static") {
+  complete_static_lib = true
+  public_deps = [ ":libANGLE" ]
+}
+
+angle_static_library("libANGLE_with_capture_static") {
+  complete_static_lib = true
+  public_deps = [ ":libANGLE_with_capture" ]
+}
+
+angle_static_library("libGLESv2_static") {
+'@
+        $buildText = [regex]::Replace($buildText, '(?m)^angle_static_library\("libGLESv2_static"\) \{', $libAngleTargets)
+        $buildText = [regex]::Replace($buildText, '(?m)^angle_static_library\("libGLESv2_static"\) \{\r?\n  sources = libglesv2_sources', "angle_static_library(`"libGLESv2_static`") {`n  complete_static_lib = true`n  sources = libglesv2_sources")
+        Set-Content -Path $buildFile -Value $buildText -NoNewline -Encoding UTF8
+    }
+
     $patch = Join-Path $AnglePatchDir "angle-chromium-$AngleBranch.patch"
-    if ((Test-Path $patch) -and -not (Select-String -Path (Join-Path $Src "BUILD.gn") -Pattern 'angle_static_library\("libANGLE_static"\)' -Quiet)) {
+    $depsFile = Join-Path $Src "DEPS"
+    if ((Test-Path $patch) -and (Select-String -Path $depsFile -Pattern "'third_party/catapult'" -Quiet)) {
         $null = git -C $Src apply $patch
         if ($LASTEXITCODE -ne 0) {
             throw "Failed to apply ANGLE patch: $patch"
@@ -206,17 +228,9 @@ function Test-AnglePatch {
     Assert-AngleVisualStudioVersion
 
     $src = Sync-Angle
-    $patch = Join-Path $AnglePatchDir "angle-chromium-$AngleBranch.patch"
-    if (-not (Test-Path $patch)) {
-        return
-    }
-    if (Select-String -Path (Join-Path $src "BUILD.gn") -Pattern 'angle_static_library\("libANGLE_static"\)' -Quiet) {
-        return
-    }
-
-    $null = git -C $src apply --check $patch
-    if ($LASTEXITCODE -ne 0) {
-        throw "ANGLE patch does not apply: $patch"
+    Apply-AnglePatches $src
+    if (-not (Select-String -Path (Join-Path $src "BUILD.gn") -Pattern 'angle_static_library\("libANGLE_static"\)' -Quiet)) {
+        throw "ANGLE BUILD.gn preflight failed."
     }
     Write-Host "ANGLE preflight passed."
 }