Check cygwin mirrors

mlocati · Oct 18, 2024 · 22207bb · 22207bb
1 parent 8ec6949
commit 22207bb
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diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
@@ -145,7 +145,7 @@ jobs:
           --root C:\cygwin
           --local-package-dir C:\cygwin-packages
           --packages ${{ steps.vars.outputs.cygwin-packages }}
-          --site http://mirrors.kernel.org/sourceware/cygwin/
+          --site ${{ steps.vars.outputs.cygwin-mirror }}
           --only-site
           --quiet-mode
           --upgrade-also

diff --git a/build-exe/vars.ps1 b/build-exe/vars.ps1
@@ -373,6 +373,28 @@ switch ($env:GETTEXT_VERSION) {
 }
 $gnuUrlPrefixer.WriteWarning()
 
+$cygwinMirror = ''
+foreach ($url in @(
+    'http://cygwin.cathedral-networks.org/',
+    'http://cygwin.mirror.constant.com/',
+    'http://mirror.cs.vt.edu/pub/cygwin/cygwin/',
+    'http://mirrors.kernel.org/sourceware/cygwin/'
+)) {
+    try {
+        $available = Invoke-WebRequest -Uri $url -Method Head -ConnectionTimeoutSeconds 3 -OperationTimeoutSeconds 5 -ErrorAction SilentlyContinue
+    } catch {
+        $available = $false
+    }
+    if ($available) {
+        $cygwinMirror = $url
+        break
+    }
+}
+if (-not($cygwinMirror)) {
+    throw 'Unable to reach any of the Cygwin mirrors'
+}
+
+Export-Variable -Name 'cygwin-mirror' -Value $cygwinMirror
 Export-Variable -Name 'cygwin-packages' -Value "wget,file,make,unzip,dos2unix,mingw64-$architecture-gcc-core,mingw64-$architecture-gcc-g++,mingw64-$architecture-headers,mingw64-$architecture-runtime"
 Export-Variable -Name 'cygwin-path' -Value $($cygwinPath -join ':')
 Export-Variable -Name 'mingw-host' -Value $mingwHost