Add GitHub Action to pre-triage new issues

.github/workflows/IssuePreTriage.yml

@@ -0,0 +1,29 @@
+name: Issue Pre-triage
+
+on:
+  schedule:
+    # At 13:00 UTC every day.
+    - cron:  '0 13 * * *'
+  # Allows you to run this workflow manually from the Actions tab
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: pwsh
+
+env:
+  POWERSHELL_TELEMETRY_OPTOUT: 1
+
+jobs:
+  process-new-issues:
+    name: Process new issues
+    timeout-minutes: 20
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@v2
+
+      - name: do-work
+        run: |
+          $env:GITHUB_TOKEN = ${{ secrets.GITHUB_TOKEN }}
+          ./tools/issue-mgmt/CloseDupIssues.ps1

tools/issue-mgmt/CloseDupIssues.ps1

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+## Close issues that are duplicate to #1306 and #1315
+
+class issue
+{
+    [string] $number
+    [string] $title
+    [string] $author
+    [string] $body
+}
+
+$repo_name = "PowerShell/PSReadLine"
+$root_url = "https://github.com/PowerShell/PSReadLine/issues"
+$msg_upgrade = @"
+Please upgrade to the [2.1.0 version of PSReadLine](https://www.powershellgallery.com/packages/PSReadLine/2.1.0) from PowerShell Gallery.
+See the [upgrading section](https://github.com/PowerShell/PSReadLine#upgrading) for instructions. Please let us know if you run into the same issue with the latest version.
+"@
+
+$issue_list = gh issue list -l 'Needs-Triage :mag:' -R $repo_name
+$issue_numbers = $issue_list | Where-Object { $_ -notlike '*Issue-Enhancement,*' } | ForEach-Object { $_.Split('OPEN', [System.StringSplitOptions]::TrimEntries)[0] }
+
+$issues = @()
+foreach ($number in $issue_numbers)
+{
+    $issue_detail = gh issue view $number -R $repo_name
+
+    $new_issue = [issue]::new()
+    $new_issue.number = $number
+    $new_issue.title = $issue_detail[0].Split('title:', [System.StringSplitOptions]::TrimEntries)[1]
+    $new_issue.author = $issue_detail[2].Split('author:', [System.StringSplitOptions]::TrimEntries)[1]
+    $new_issue.body = $issue_detail[9..$issue_detail.Length] -join "`n"
+
+    $issues += $new_issue
+}
+
+foreach ($item in $issues)
+{
+    $comment = $null
+    $number = $item.number
+    $title = $item.title
+    $body = $item.body
+    $author = $item.author
+
+    Write-Host "Issue: $root_url/$number" -ForegroundColor Green
+
+    if ($title.Contains('https://github.com/PowerShell/PSReadLine/issues/new') -or
+        $body.Contains('https://github.com/PowerShell/PSReadLine/issues/new') -or
+        $body -match 'PSReadLine: 2\.\d\.\d(-\w+)?' -or
+        $body -match 'PSReadline version: 2\.\d\.\d(-\w+)?' -or
+        $body -match 'PowerShell: 7\.\d\.\d' -or
+        $body -match 'PS version: 7\.\d\.\d')
+    {
+        ## The issue reported a recent version of PSReadLine, so leave it as is.
+        continue
+    }
+
+    if ($body.Contains('System.ArgumentOutOfRangeException:') -and
+        $body.Contains('System.Console.SetCursorPosition(') -and
+        $body.Contains('Microsoft.PowerShell.PSConsoleReadLine.ReallyRender('))
+    {
+        ## The issue either reported an old version of PSReadLine, or provided no
+        ## information about the version. In either case, it's likely a duplicate
+        ## of #1306 and can be closed.
+        $comment = 'This issue was already fixed (see #1306). {0}' -f $msg_upgrade
+    }
+    elseif ($body.Contains('Ctrl+l') -and
+            $body.Contains('System.IO.IOException:') -and
+            $body.Contains('Microsoft.PowerShell.PSConsoleReadLine.ProcessOneKey(') -and
+            $body.Contains('System.IO.__Error.WinIOError('))
+    {
+        ## The issue either reported an old version of PSReadLine, or provided no
+        ## information about the version. In either case, it's likely a duplicate
+        ## of #1315 and can be closed.
+        $comment = 'This issue was already fixed (see #1315). {0}' -f $msg_upgrade
+    }
+    elseif ($title.Contains('https://github.com/lzybkr/PSReadLine/issues/new') -or
+            $body.Contains('https://github.com/lzybkr/PSReadLine/issues/new') -or
+            $body -match 'PSReadLine: 2.0.0-\w+\d' -or
+            $body -match 'PSReadline version: 2.0.0-\w+\d')
+    {
+        ## The issue reported an old version of PSReadLine. Even though the issue
+        ## may not be a duplicate of either #1306 or #1315, we will close it and
+        ## ask the author to use the latest stable version.
+        $comment = "@$author, you were using a pretty old version of PSReadLine (2.0.0-beta2 or prior), and it's likely that the issue was fixed in a newer version.`n{0}" -f $msg_upgrade
+    }
+
+    if ($comment)
+    {
+        ## Comment the issue and then close it.
+        $null = gh api "/repos/$repo_name/issues/$number/comments" --raw-field body=$comment &&
+                gh issue close $number -R $repo_name
+    }
+}