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foam_sync.ps1 (LIFEBALANCE) 2025-06-19T13:43:24Z

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Ben Miller
2025-06-19 13:43:24 -06:00
parent 72523d1785
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# 2025-06-19

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foam_sync.ps1
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#Requires -Version 5.1
<#
.SYNOPSIS
A PowerShell script to periodically synchronize a Git repository, similar to the foam_sync.sh bash script.
It stages all changes, commits if there are any, and then syncs with the 'origin/main' remote.
It also attempts to set up a Windows Scheduled Task to run itself periodically.
.DESCRIPTION
This script performs the following actions:
1. Configures a Scheduled Task to run this script at a defined frequency.
- The first time this script is run, it might require Administrator privileges to register the task.
2. Navigates to the script's directory (assumed to be the Git repository root).
3. Stages all changes using 'git add .'.
4. Checks for actual staged changes using 'git diff --staged --quiet'.
5. If changes exist, commits them with a timestamped message.
6. If no meaningful changes were staged, resets the staging area.
7. Updates the local knowledge of the remote 'origin'.
8. Compares local HEAD with 'origin/main'.
9. If they differ, it sleeps for a random interval to avoid race conditions.
10. Determines if local is ahead, remote is ahead, or they have diverged.
11. Performs 'git pull --rebase' or 'git push' accordingly.
12. In case of divergence, it attempts a rebase, preferring the newer commit (based on timestamp)
or 'ours' if timestamps are equal. Then pushes.
.NOTES
Author: Gemini Code Assist (Translated from bash)
Version: 1.0
Prerequisites: Git must be installed and in the system PATH.
Running for the first time: You may need to run this script as an Administrator
to allow the Scheduled Task to be registered.
#>
# --- Configuration ---
$frequencyMinutes = 2 # How often the Scheduled Task should attempt to run this script
$executionTimeLimitBufferSeconds = 30 # Buffer: task stops if it runs longer than (frequency - buffer)
@ -66,57 +35,12 @@ try {
# Run as the user who executes this script.
$taskPrincipal = New-ScheduledTaskPrincipal -UserId $env:USERNAME -LogonType Interactive
# Define a very long duration (e.g., 40 years)
$practicallyIndefiniteDuration = New-TimeSpan -Days (365 * 40 + 10) # Approx 40 years, accounting for leap years
# Trigger configuration
$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date) -RepetitionInterval (New-TimeSpan -Minutes $frequencyMinutes) -RepetitionDuration $practicallyIndefiniteDuration
# Action configuration:
# We use an indirection technique to ensure the window is truly hidden.
# The scheduled task launches an initial PowerShell.
# This initial PowerShell then uses Start-Process to launch the *actual* script in a new, hidden PowerShell process.
# 1. Innermost PowerShell's -File argument: Path to the script, with internal double quotes escaped as ""
# e.g., \"C:\path\to your script.ps1\"
$scriptPathForInnermostFileParam = $scriptPath.Replace('"', '""')
$innermostFileArg = "\`"$scriptPathForInnermostFileParam\`""
# 2. Argument string for the innermost PowerShell instance (the one executing the actual script)
# e.g., -NoProfile -NonInteractive -ExecutionPolicy Bypass -File \"C:\path\to your script.ps1\"
$innermostPSArgs = "-NoProfile -NonInteractive -ExecutionPolicy Bypass -File $innermostFileArg"
# 3. The innermostPSArgs string needs its single quotes escaped (as '') because it will be wrapped in single quotes for Start-Process's -ArgumentList
$innermostPSArgsEscapedForStartProcess = $innermostPSArgs.Replace("'", "''")
# 4. Command string that the first PowerShell instance (launched by Task Scheduler) will execute using Start-Process.
# e.g., Start-Process -FilePath powershell.exe -ArgumentList '-NoProfile -NonInteractive -ExecutionPolicy Bypass -File \"C:\path\to your script.ps1\"' -WindowStyle Hidden
$commandToRunViaStartProcess = "Start-Process -FilePath powershell.exe -ArgumentList '$innermostPSArgsEscapedForStartProcess' -WindowStyle Hidden"
# 5. Argument string FOR THE TASK SCHEDULER to pass to the first powershell.exe.
# The $commandToRunViaStartProcess is the value for -Command, and needs to be quoted for registration.
# e.g., -NoProfile -NonInteractive -ExecutionPolicy Bypass -Command "Start-Process -FilePath powershell.exe -ArgumentList '-NoProfile -NonInteractive -ExecutionPolicy Bypass -File \"C:\path\to your script.ps1\"' -WindowStyle Hidden"
# $actionArgumentForRegistration = "-NoProfile -NonInteractive -ExecutionPolicy Bypass -Command \`"$commandToRunViaStartProcess\`""
# TEMPORARY: For troubleshooting the flashing window.
# We simplify the command to see if the intermediate PowerShell itself has an issue parsing/executing Start-Process.
# Errors from this *intermediate* powershell should appear in the Task Scheduler history.
$actionArgumentForRegistration = "-NoProfile -NonInteractive -ExecutionPolicy Bypass -Command \`"$commandToRunViaStartProcess\`"" # Reverted to original, but without explicit redirection for now.
# 6. Expected argument string WHEN RETRIEVED by Get-ScheduledTask.
# Task Scheduler/PowerShell often strips the outermost quotes from the -Command value when retrieved.
$expectedRetrievedActionArgument = "-NoProfile -NonInteractive -ExecutionPolicy Bypass -Command $commandToRunViaStartProcess" # Reverted to match the above
$trigger = New-ScheduledTaskTrigger -Once -At (Get-Date) -RepetitionInterval (New-TimeSpan -Minutes $frequencyMinutes)
$actionArgumentForRegistration = "-NoProfile -NonInteractive -WindowStyle Hidden -ExecutionPolicy Bypass -File $scriptPath"
$action = New-ScheduledTaskAction -Execute "powershell.exe" -Argument $actionArgumentForRegistration
# Task settings
# Calculate a realistic execution time limit based on the frequency
$executionTimeLimitTotalSeconds = ($frequencyMinutes * 60) - $executionTimeLimitBufferSeconds
if ($executionTimeLimitTotalSeconds -lt 30) {
# Ensure a minimum sensible execution time (e.g., 30 seconds)
$executionTimeLimitTotalSeconds = 30
}
$taskExecutionTimeLimit = New-TimeSpan -Seconds $executionTimeLimitTotalSeconds
$taskExecutionTimeLimit = New-TimeSpan -Seconds 30
$settings = New-ScheduledTaskSettingsSet -ExecutionTimeLimit $taskExecutionTimeLimit
# Check and configure the scheduled task
@ -127,14 +51,11 @@ try {
Write-Host "Scheduled task '$taskName' already exists. Checking configuration..."
$currentTrigger = $existingTask.Triggers[0]
$currentAction = $existingTask.Actions[0]
# You could also compare $existingTask.Principal.UserId with $taskPrincipal.UserId
# and $existingTask.Description with $taskDescription if strict matching is needed for those.
# Check Trigger
$triggerMatches = $false
if ($currentTrigger -is [Microsoft.Management.Infrastructure.CimInstance] `
-and $currentTrigger.RepetitionInterval.TotalMinutes -eq $frequencyMinutes `
-and $currentTrigger.RepetitionDuration -eq $practicallyIndefiniteDuration) {
-and $currentTrigger.RepetitionInterval.TotalMinutes -eq $frequencyMinutes) {
$triggerMatches = $true
}

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* https://www.printables.com/@beepmill_1805142/collections
* [Gumroad](https://gumroad.com/library)
* https://cults3d.com/en/design-collections
* https://www.thingiverse.com/beepmill/collections
## Systems
@ -22,16 +23,19 @@
* Printing metric [[2025-06-15]]
* Printing imperial [[2025-06-17]]
* [AMS Driven Rear Roller replacement](https://makerworld.com/en/models/80150-ams-driven-rear-roller-replacement#profileId-85113)
* [Bambu Lab AMS Ultimate Front Rollers](https://makerworld.com/en/models/452104-bambu-lab-ams-ultimate-front-rollers#profileId-359257)
## Things that I've printed
* [[2025-06-19]] - [Anti-Stress Spikeroll by Paul_Drosser - Thingiverse](https://www.thingiverse.com/thing:4575204)
* [[2025-06-15]] - https://makerworld.com/en/models/192760-multiboard-pliers-holder#profileId-213102
* [[2025-06-18]] - [Lid Riser for Bambu Lab AMS](https://www.printables.com/model/602705-ams-lid-riser-for-bambu-lab-ams/comments)
* [[2025-06-18]] - [Bambu Lab AMS Ultimate Front Rollers](https://makerworld.com/en/models/452104-bambu-lab-ams-ultimate-front-rollers#profileId-359257)
[//begin]: # "Autogenerated link references for markdown compatibility"
[2025-06-15]: 2025-06-15.md "2025-06-15"
[2025-06-17]: 2025-06-17.md "2025-06-17"
[2025-06-19]: 2025-06-19.md "2025-06-19"
[2025-06-18]: 2025-06-18.md "2025-06-18"
[//end]: # "Autogenerated link references"