Strict mode needs the variables initialized (Azure#19196)

Co-authored-by: Wes Haggard <Wes.Haggard@microsoft.com>

eng/common/scripts/ChangeLog-Operations.ps1

@@ -37,12 +37,14 @@ function Get-ChangeLogEntriesFromContent {
     return $null
   }
 
+  $changelogEntry = $null
+  $sectionName = $null
   $changeLogEntries = [Ordered]@{}
   try {
     # walk the document, finding where the version specifiers are and creating lists
     foreach ($line in $changeLogContent) {
       if ($line -match $RELEASE_TITLE_REGEX) {
-        $changeLogEntry = [pscustomobject]@{ 
+        $changeLogEntry = [pscustomobject]@{
           ReleaseVersion = $matches["version"]
           ReleaseStatus  =  $matches["releaseStatus"]
           ReleaseTitle   = "## {0} {1}" -f $matches["version"], $matches["releaseStatus"]
@@ -72,8 +74,8 @@ function Get-ChangeLogEntriesFromContent {
     }
   }
   catch {
-    Write-Host "Error parsing Changelog."
-    Write-Host $_.Exception.Message
+    Write-Error "Error parsing Changelog."
+    Write-Error $_
   }
   return $changeLogEntries
 }
@@ -208,7 +210,7 @@ function New-ChangeLogEntry {
     return $null
   }
 
-  if (!$Content) { 
+  if (!$Content) {
     $Content = @()
     $Content += ""
     $Content += "### Features Added"
@@ -222,7 +224,7 @@ function New-ChangeLogEntry {
     $Content += ""
   }
 
-  $newChangeLogEntry = [pscustomobject]@{ 
+  $newChangeLogEntry = [pscustomobject]@{
     ReleaseVersion = $Version
     ReleaseStatus  = $Status
     ReleaseTitle   = "## $Version $Status"

eng/common/scripts/Update-ChangeLog.ps1

@@ -15,6 +15,7 @@ param (
   [String]$ChangelogPath,
   [String]$ReleaseDate
 )
+Set-StrictMode -Version 3
 
 . (Join-Path $PSScriptRoot common.ps1)
 
@@ -39,11 +40,11 @@ if ($ReleaseDate)
         exit 1
     }
 }
-elseif ($Unreleased) 
+elseif ($Unreleased)
 {
     $ReleaseStatus = $CHANGELOG_UNRELEASED_STATUS
 }
-else 
+else
 {
     $ReleaseStatus = "$(Get-Date -Format $CHANGELOG_DATE_FORMAT)"
     $ReleaseStatus = "($ReleaseStatus)"
@@ -61,7 +62,7 @@ if ([string]::IsNullOrEmpty($ChangelogPath))
     $ChangelogPath = $pkgProperties.ChangeLogPath
 }
 
-if (!(Test-Path $ChangelogPath)) 
+if (!(Test-Path $ChangelogPath))
 {
     LogError "Changelog path [$ChangelogPath] is invalid."
     exit 1
@@ -103,7 +104,7 @@ if ($LatestsSorted[0] -ne $Version) {
     LogWarning "Version [$Version] is older than the latestversion [$LatestVersion] in the changelog. Consider using a more recent version."
 }
 
-if ($ReplaceLatestEntryTitle) 
+if ($ReplaceLatestEntryTitle)
 {
     $newChangeLogEntry = New-ChangeLogEntry -Version $Version -Status $ReleaseStatus -Content $ChangeLogEntries[$LatestVersion].ReleaseContent
     LogDebug "Resetting latest entry title to [$($newChangeLogEntry.ReleaseTitle)]"

eng/common/scripts/Verify-ChangeLog.ps1

@@ -6,11 +6,12 @@ param (
   [string]$ServiceDirectory,
   [boolean]$ForRelease = $False
 )
+Set-StrictMode -Version 3
 
 . (Join-Path $PSScriptRoot common.ps1)
 
 $validChangeLog = $false
-if ($ChangeLogLocation -and $VersionString) 
+if ($ChangeLogLocation -and $VersionString)
 {
   $validChangeLog = Confirm-ChangeLogEntry -ChangeLogLocation $ChangeLogLocation -VersionString $VersionString -ForRelease $ForRelease
 }