select first

Author: jpnurmi

updater/scripts/update-dependency.ps1

@@ -162,7 +162,7 @@ if ("$Tag" -eq '') {
         if ("$headRef" -eq '') {
             throw "Couldn't determine repository head (no ref returned by ls-remote HEAD"
         }
-        $mainBranch = (git ls-remote --heads $url | Where-Object { $_.StartsWith($headRef) }) -replace '.*\srefs/heads/', ''
+        $mainBranch = (git ls-remote --heads $url | Where-Object { $_.StartsWith($headRef) } | Select-Object -First 1) -replace '.*\srefs/heads/', ''
     }
 
     $url = $url -replace '\.git$', ''

updater/tests/update-dependency.Tests.ps1

@@ -220,7 +220,7 @@ switch ($action)
                 $output | Should -Contain 'latestTag=0.28.0'
                 $output | Should -Contain 'latestTagNice=v0.28.0'
                 $output | Should -Contain 'url=https://github.com/getsentry/sentry-cli'
-                $output | Should -Contain 'mainBranch=main master'
+                $output | Should -Contain 'mainBranch=main'
             }
         }