SDL_mixer: Reduce the size of external dependency downloads

SDL Commits
1 
From 2365feeff7a9f3914faf2c76cb182cf850f6ed68 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Fri, 20 Sep 2024 14:23:16 -0700
Subject: [PATCH] Reduce the size of external dependency downloads

---
 external/Get-GitModules.ps1 | 4 ++--
 external/download.sh        | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/external/Get-GitModules.ps1 b/external/Get-GitModules.ps1
index c43f6375..7238700d 100644
--- a/external/Get-GitModules.ps1
+++ b/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
     }
 }
diff --git a/external/download.sh b/external/download.sh
index 5cd14a4d..df63ee46 100755
--- a/external/download.sh
+++ b/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