From 46e582913c7548269a00682411d1c19313120a4a Mon Sep 17 00:00:00 2001
From: Markus Fleschutz <markus@fleschutz.de>
Date: Mon, 3 Oct 2022 18:48:12 +0200
Subject: [PATCH] Add check-repo.ps1

---
 README.md              |  3 ++-
 Scripts/check-repo.ps1 | 52 ++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 54 insertions(+), 1 deletion(-)
 create mode 100644 Scripts/check-repo.ps1

diff --git a/README.md b/README.md
index 259fc170..e3148fa1 100644
--- a/README.md
+++ b/README.md
@@ -234,6 +234,7 @@ Mega Collection of PowerShell Scripts
 | ---------------------------------------------------- | ------------------------------------------------------------------ | --------------------------------------- |
 | [build-repo.ps1](Scripts/build-repo.ps1)             | Builds a Git repository                                            | [Help](Docs/build-repo.md)              |
 | [build-repos.ps1](Scripts/build-repos.ps1)           | Builds all Git repositories in a folder                            | [Help](Docs/build-repos.md)             |
+| [check-repo.ps1](Scripts/check-repo.ps1)             | Checks a Git repository                                            | [Help](Docs/check-repo.md)              |
 | [clean-repo.ps1](Scripts/clean-repo.ps1)             | Cleans a Git repository from untracked files                       | [Help](Docs/clean-repo.md)              |
 | [clean-repos.ps1](Scripts/clean-repos.ps1)           | Cleans all Git repositories in a folder from untracked files       | [Help](Docs/clean-repos.md)             |
 | [clone-repos.ps1](Scripts/clone-repos.ps1)           | Clones well-known Git repositories                                 | [Help](Docs/clone-repos.md)             |
@@ -244,7 +245,7 @@ Mega Collection of PowerShell Scripts
 | [list-commits.ps1](Scripts/list-commits.ps1)         | Lists all commits in a Git repository                              | [Help](Docs/list-commits.md)            |
 | [list-latest-tag.ps1](Scripts/list-latest-tag.ps1)   | Lists the latest tag on the current branch in a Git repository     | [Help](Docs/list-latest-tag.md)         |
 | [list-latest-tags.ps1](Scripts/list-latest-tags.ps1) | Lists the latests tags in all Git repositories under a directory   | [Help](Docs/list-latest-tags.md)        |
-| [list-repos.ps1](Scripts/list-repos.ps1)             | Lists Git repositories                                             | [Help](Docs/list-repos.md)              |
+| [list-repos.ps1](Scripts/list-repos.ps1)             | Lists the Git repositories in a folder                             | [Help](Docs/list-repos.md)              |
 | [list-submodules.ps1](Scripts/list-submodules.ps1)   | Lists the submodules in a Git repository                           | [Help](Docs/list-submodules.md)         |
 | [list-tags.ps1](Scripts/list-tags.ps1)               | Lists all tags in a Git repository                                 | [Help](Docs/list-tags.md)               |
 | [new-branch.ps1](Scripts/new-branch.ps1)             | Creates a new branch in a Git repository                           | [Help](Docs/new-branch.md)              |
diff --git a/Scripts/check-repo.ps1 b/Scripts/check-repo.ps1
new file mode 100644
index 00000000..c4f8fc39
--- /dev/null
+++ b/Scripts/check-repo.ps1
@@ -0,0 +1,52 @@
+<#
+.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 {
+	$StopWatch = [system.diagnostics.stopwatch]::startNew()
+
+	Write-Host "⏳ (1/6) Searching for Git...            " -noNewline
+	& git --version
+	if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
+
+	$RepoDirName = (Get-Item "$RepoDir").Name
+	Write-Host "⏳ (2/6) Checking folder 📂$RepoDirName... " -noNewline
+	if (!(Test-Path "$RepoDir" -pathType container)) { throw "Can't access folder: $RepoDir" }
+	"OK"
+
+	Write-Host "⏳ (3/6) Searching for .git subfolder... " -noNewline
+	if (!(Test-Path "$RepoDir/.git" -pathType container)) { throw "Can't access folder: $RepoDir" }
+	"OK"
+
+	Write-Host "⏳ (4/6) Querying remote URL...          " -noNewline
+	& git -C "$RepoDir" remote get-url origin
+	if ($lastExitCode -ne "0") { throw "'git status' failed with exit code $lastExitCode" }
+
+	Write-Host "⏳ (5/6) Verifying data integrity...     "
+	& git -C "$RepoDir" fsck 
+	if ($lastExitCode -ne "0") { throw "'git fsck' failed with exit code $lastExitCode" }
+
+	Write-Host "⏳ (6/6) Checking status...              " -noNewline
+	& git -C "$RepoDir" status --short 
+	if ($lastExitCode -ne "0") { throw "'git status' failed with exit code $lastExitCode" }
+	
+	[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
+	"✔️ checked 📂$RepoDirName repo in $Elapsed sec"
+	exit 0 # success
+} catch {
+	"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
+	exit 1
+}