Reduce the size of external dependency downloads

Author: slouken

external/Get-GitModules.ps1

@@ -29,8 +29,8 @@ foreach ($Line in Get-Content $PSScriptRoot\..\.gitmodules) {
         $Match  = Select-String -InputObject $Line -Pattern $BranchRegex
         $Branch = $Match.Matches[0].Groups[1].Value
 
-        Write-Host "git clone $URL $Path -b $Branch --recursive" `
+        Write-Host "git clone --filter=blob:none $URL $Path -b $Branch --recursive" `
             -ForegroundColor Blue
-        git clone $URL $PSScriptRoot/../$Path -b $Branch --recursive
+        git clone --filter=blob:none $URL $PSScriptRoot/../$Path -b $Branch --recursive
     }
 }

external/download.sh

@@ -12,5 +12,5 @@ while true; do
     url=$3
     read line; set -- $line
     branch=$3
-    git clone $url $path -b $branch --recursive
+    git clone --filter=blob:none $url $path -b $branch --recursive
 done