fix

scripts/ttrpg-release/prepare-release.ps1

@@ -114,6 +114,33 @@ function Invoke-Git {
   }
 }
 
+function Get-GitTextOutput {
+  param(
+    [string]$ProjectRoot,
+    [string[]]$GitArgs
+  )
+  $prevEap = $ErrorActionPreference
+  $ErrorActionPreference = 'Continue'
+  try {
+    $output = & git -C $ProjectRoot @GitArgs 2>&1
+    if ($LASTEXITCODE -ne 0) {
+      throw "git $($GitArgs -join ' ') failed (exit $LASTEXITCODE)"
+    }
+    if ($null -eq $output) {
+      return ''
+    }
+    return (@($output | ForEach-Object {
+        if ($_ -is [System.Management.Automation.ErrorRecord]) {
+          $_.ToString()
+        } else {
+          [string]$_
+        }
+      }) -join "`n").Trim()
+  } finally {
+    $ErrorActionPreference = $prevEap
+  }
+}
+
 function Write-GitLines($lines) {
   foreach ($line in $lines) {
     if ($line -is [System.Management.Automation.ErrorRecord]) {
@@ -141,7 +168,7 @@ function Invoke-GitPush {
 }
 
 function Push-Git([string]$ProjectRoot, [string]$Remote, [string]$McpConfigPath) {
-  $branch = (git -C $ProjectRoot rev-parse --abbrev-ref HEAD).Trim()
+  $branch = Get-GitTextOutput $ProjectRoot @('rev-parse', '--abbrev-ref', 'HEAD')
   Write-Host "  > git push $Remote $branch"
   $exitCode = Invoke-GitPush $ProjectRoot @($Remote, $branch)
   if ($exitCode -eq 0) {
@@ -332,7 +359,7 @@ if ($SkipGit) {
     Invoke-Git $projectRoot @('add', 'package-lock.json')
   }
   $commitMsg = "chore: release v$newVersion"
-  $status = (git -C $projectRoot status --porcelain).Trim()
+  $status = Get-GitTextOutput $projectRoot @('status', '--porcelain')
   if ($status) {
     Invoke-Git $projectRoot @('commit', '-m', $commitMsg)
     Write-Ok "committed: $commitMsg"