PowerShell / PowerShell/PSScriptAnalyzer
Write-Host should be closed within the scope it was created in, unless it is a Async command type
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- Langage dominant
- C#
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Description
Summary of the new feature
Some times people don't properly close their Write-progress calls with a -Completed which can cause unexpected output, or "leftover" progress bars from commands that completed, but never closed their progress bars
Proposed technical implementation details (optional)
Write-Progress automatically stops showing open progress bars when execution is complete, but this means that if you are making an interface that does not properly close their Write-Progress progress bars with a Write-Progress -Activity $ActivityName -Completed then it stays open while other code is running, until execution stops.
It seems like in vanilla shell console, powershell can recognize that it is "done" (I'm guessing.... maybe something like the scope that created the Write-Progress is stopped? )
But if you do this in other environments, like ISE, then the Progress bars don't go away unless properly closed with a -Completed
Additionally there is the case that people who are running with something like -PercentComplete 100 but never closing.
A recommendation to close Write-Progress'es with a -Completed would effectively stop this problem
Possibly make sure each write-progress -Activity has a matching one with -Completed ? Not sure if there is a way to detect if it's closed in the same scope or if that might cause more problems
A potential problem for that would be things like People start it in the begin { } block write over time in the progress { } block, but not closing in the end { } block?
What is the latest version of PSScriptAnalyzer at the point of writing
As far as I can tell, it does nothing for this currently
Guide de contribution
Ouvrir le guide de contribution
Par où commencer
- Lisez l'issue en entier, puis le guide de contribution du projet.
- Signalez en commentaire que vous la prenez — cela évite que deux personnes fassent le même travail.
- Forkez le dépôt et travaillez sur une branche.
- Ouvrez une pull request qui référence le numéro de l'issue.
Piste de recherche
Commencez par localiser les règles et les tests existants de l’analyseur pour les commandes PowerShell ; l’issue mentionne Write-Progress et les appels -Completed correspondants, mais aucun fichier ni point d’entrée. Clarifiez le comportement attendu des limites de portée et des blocs begin/process/end, puis définissez des tests couvrant les types de commandes ordinaires et asynchrones avant l’implémentation.
Rédigé par le modèle d'indexation à partir du texte de l'issue.
Évaluation
- Stack technique
- csharp, powershell
- Domaine
- tooling
- Type d'issue
- Fonctionnalité
- Difficulté
- 5/5
- Temps estimé
- Plus d'une semaine
- Activité
- À l'abandon
- Clarté
- À clarifier
- Accessibilité débutants
- 20/100