Improved Daily-Maintenance.ps1

Author: gfraiteur

.gitignore

@@ -15,3 +15,4 @@ nuget.config
 global.json
 *.g.json
 *.g.ps1
+scripts/build-agents/last-execution.txt

scripts/build-agents/Daily-Maintenance.ps1

@@ -1,7 +1,32 @@
 $ErrorActionPreference = 'Stop'
 
-# Remove all Docker images that have not been used for 7 days.
-docker image prune -a --filter "until=168h" --force
+# Get the script's directory
+$scriptDir = $PSScriptRoot
+$lastExecutionFile = Join-Path $scriptDir "last-execution.txt"
 
-# Pull this repo.
-git pull
+# Check if the script has been executed in the last 24 hours
+$shouldExecute = $true
+if (Test-Path $lastExecutionFile) {
+    $lastExecutionTime = (Get-Item $lastExecutionFile).LastWriteTime
+    $timeSinceLastExecution = (Get-Date) - $lastExecutionTime
+    
+    if ($timeSinceLastExecution.TotalHours -lt 24) {
+        Write-Host "Daily maintenance was already executed $([math]::Round($timeSinceLastExecution.TotalHours, 2)) hours ago. Skipping execution."
+        $shouldExecute = $false
+    }
+}
+
+if ($shouldExecute) {
+    Write-Host "Executing daily maintenance..."
+    
+    # Update the last execution timestamp by touching the file
+    "Last maintenance executed at $(Get-Date)" | Out-File $lastExecutionFile -Encoding UTF8
+    
+    # Remove all Docker images that have not been used for 7 days.
+    docker image prune -a --filter "until=168h" --force
+
+    # Pull this repo.
+    git pull
+    
+    Write-Host "Daily maintenance completed successfully."
+}