PowerShell/Docs/check-repo.md

The check-repo.ps1 PowerShell Script

This PowerShell script verifies the integrity of a local Git repository.

Parameters

check-repo.ps1 [[-RepoDir] <String>] [<CommonParameters>]

-RepoDir <String>
    Specifies the path to the Git repository (current working dir by default)
    
    Required?                    false
    Position?                    1
    Default value                "$PWD"
    Accept pipeline input?       false
    Accept wildcard characters?  false

[<CommonParameters>]
    This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction, 
    WarningVariable, OutBuffer, PipelineVariable, and OutVariable.

Example

PS> ./check-repo

Notes

Author: Markus Fleschutz | License: CC0

Related Links

https://github.com/fleschutz/PowerShell

Source Code

<#
.SYNOPSIS
	Checks a Git repository
.DESCRIPTION
	This PowerShell script verifies the integrity of a local Git repository.
.PARAMETER RepoDir
	Specifies the path to the Git repository (current working dir by default)
.EXAMPLE
	PS> ./check-repo
.LINK
	https://github.com/fleschutz/PowerShell
.NOTES
	Author: Markus Fleschutz | License: CC0
#>

param([string]$RepoDir = "$PWD")

try {
	$StopWatch = [system.diagnostics.stopwatch]::startNew()

	Write-Host "⏳ (1/11) Searching for Git executable...  " -noNewline
	& git --version
	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }

	Write-Host "⏳ (2/11) Checking path...                 " -noNewline
	$FullPath = Resolve-Path "$RepoDir"
	if (!(Test-Path "$FullPath" -pathType Container)) { throw "Can't access folder: $FullPath" }
	"$FullPath"

	Write-Host "⏳ (3/11) Searching for 📂.git...          " -noNewline
	if (!(Test-Path "$FullPath/.git" -pathType container)) { throw "Can't access folder: $FullPath/.git" }
	"OK"

	Write-Host "⏳ (4/11) Query remote URL...              " -noNewline
	& git -C "$FullPath" remote get-url origin
	if ($lastExitCode -ne "0") { throw "'git remote get-url origin' failed with exit code $lastExitCode" }

	Write-Host "⏳ (5/11) Query current branch...          " -noNewline
	& git -C "$FullPath" branch --show-current
	if ($lastExitCode -ne "0") { throw "'git branch --show-current' failed with exit code $lastExitCode" }

	Write-Host "⏳ (6/11) Trying to fetch...               " -noNewline
	& git -C "$FullPath" fetch
	if ($lastExitCode -ne "0") { throw "'git branch --show-current' failed with exit code $lastExitCode" }
	Write-Host "OK"

	Write-Host "⏳ (7/11) Query latest tag...              " -noNewline
        $LatestTagCommitID = (git -C "$FullPath" rev-list --tags --max-count=1)
        $LatestTagName = (git -C "$FullPath" describe --tags $LatestTagCommitID)
        Write-Host "$LatestTagName (commit $LatestTagCommitID)"

	Write-Host "⏳ (8/11) Verify data integrity..."
	& git -C "$FullPath" fsck 
	if ($lastExitCode -ne "0") { throw "'git fsck' failed with exit code $lastExitCode" }

	Write-Host "⏳ (9/11) Run maintenance tasks..."
	& git -C "$FullPath" maintenance run
	if ($lastExitCode -ne "0") { throw "'git maintenance run' failed with exit code $lastExitCode" }

	Write-Host "⏳ (10/11) Query submodule status...        " -noNewline
	& git -C "$FullPath" submodule status
	if ($lastExitCode -ne "0") { throw "'git submodule status' failed with exit code $lastExitCode" }
	" "

	Write-Host "⏳ (11/11) Query repository status...      " -noNewline
	& git -C "$FullPath" status --short 
	if ($lastExitCode -ne "0") { throw "'git status --short' failed with exit code $lastExitCode" }
	" "

	$RepoDirName = (Get-Item "$FullPath").Name
	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
	"✔️ checked 📂$RepoDirName repo in $Elapsed sec"
	exit 0 # success
} catch {
	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
	exit 1
}

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