Scripts/Update-GitRepository.ps1
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#Requires -Version 3.0 [CmdletBinding()] Param() Function Initialize-GitEnvironment { [CmdletBinding()] Param( [Parameter(Mandatory)] [String]$Path ) # Amend the PATH variable to include the full set of Git utilities $Env:Path = '{0}\bin;{1}' -f $Path, $Env:Path # Create the HOME environment variable needed by SSH (via Git) # # If running as a Scheduled Task the user profile of the account may not yet be loaded on # Windows 8 or Server 2012 and newer. This results in the USERPROFILE environment variable # pointing to the Default user profile. We can work around this by using GetFolderPath(). # # See: https://support.microsoft.com/en-us/kb/2968540 $Env:HOME = [Environment]::GetFolderPath([Environment+SpecialFolder]::UserProfile) } Function Test-GitInstalled { [CmdletBinding()] Param() # Registry keys potentially containing Git installation details $GitRegistryKeys = @( # User 'HKCU:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Git_is1', # Machine: Native bitness 'HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Git_is1', # Machine: x86 on x64 'HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\Git_is1' ) # Registry property which contains the installation directory $GitInstallProperty = 'InstallLocation' foreach ($RegKey in $GitRegistryKeys) { $GitInstallPath = (Get-ItemProperty -Path $RegKey -ErrorAction Ignore).$GitInstallProperty if ($GitInstallPath) { break } } if (!$GitInstallPath) { throw 'Unable to locate a Git installation.' } if (!(Test-Path -Path $GitInstallPath -PathType Container)) { throw 'The Git installation directory does not exist.' } return $GitInstallPath } Function Test-GitRepository { [CmdletBinding()] Param() $null = & git rev-parse --git-dir 2>&1 if ($LASTEXITCODE -ne 0) { throw ('The current directory does not belong to a Git repository: {0}' -f $PWD.Path) } } Function Update-GitRepository { [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSUseShouldProcessForStateChangingFunctions', '')] [CmdletBinding()] Param() & git add --all if ($LASTEXITCODE -ne 0) { throw 'Something went wrong adding all changes to the Git index.' } # Check if the index is dirty indicating we have something to commit & git diff-index --quiet --cached HEAD if ($LASTEXITCODE -ne 0) { $GitCommitDate = Get-Date -UFormat '%d/%m/%Y' git commit -m ('Changes for {0}' -f $GitCommitDate) if ($LASTEXITCODE -ne 0) { throw 'Something went wrong committing all changes in the Git index.' } } & git pull if ($LASTEXITCODE -ne 0) { throw 'Something went wrong pulling from the remote Git repository.' } & git push if ($LASTEXITCODE -ne 0) { throw 'Something went wrong pushing to the remote Git repository.' } } # Test Git software is installed $GitInstallPath = Test-GitInstalled # Check we're in a Git repository Test-GitRepository # Initialize the Git environment Initialize-GitEnvironment -Path $GitInstallPath # Commit all and push all changes Update-GitRepository |