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129 lines
4.2 KiB
Markdown
129 lines
4.2 KiB
Markdown
*switch-branch.ps1*
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================
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This PowerShell script switches to another branch in a Git repository (including submodules).
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Parameters
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----------
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```powershell
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PS> ./switch-branch.ps1 [[-BranchName] <String>] [[-RepoDir] <String>] [<CommonParameters>]
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-BranchName <String>
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Specifies the branch name
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Required? false
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Position? 1
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Default value
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Accept pipeline input? false
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Accept wildcard characters? false
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-RepoDir <String>
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Specifies the path to the local Git repository
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Required? false
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Position? 2
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Default value "$PWD"
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Accept pipeline input? false
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Accept wildcard characters? false
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[<CommonParameters>]
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This script supports the common parameters: Verbose, Debug, ErrorAction, ErrorVariable, WarningAction,
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WarningVariable, OutBuffer, PipelineVariable, and OutVariable.
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```
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Example
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-------
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```powershell
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PS> ./switch-branch main C:\MyRepo
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⏳ (1/6) Searching for Git executable... git version 2.42.0.windows.1
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⏳ (2/6) Checking local repository...
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⏳ (3/6) Fetching updates...
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⏳ (4/6) Switching to branch 'main'...
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⏳ (5/6) Pulling updates...
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⏳ (6/6) Updating submodules...
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✔️ Switched repo 📂MyRepo to branch 'main' (took 22 sec)
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```
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Notes
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-----
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Author: Markus Fleschutz | License: CC0
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Related Links
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-------------
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https://github.com/fleschutz/PowerShell
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Script Content
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--------------
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```powershell
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<#
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.SYNOPSIS
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Switches the Git branch
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.DESCRIPTION
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This PowerShell script switches to another branch in a Git repository (including submodules).
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.PARAMETER BranchName
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Specifies the branch name
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.PARAMETER RepoDir
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Specifies the path to the local Git repository
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.EXAMPLE
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PS> ./switch-branch main C:\MyRepo
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⏳ (1/6) Searching for Git executable... git version 2.42.0.windows.1
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⏳ (2/6) Checking local repository...
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⏳ (3/6) Fetching updates...
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⏳ (4/6) Switching to branch 'main'...
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⏳ (5/6) Pulling updates...
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⏳ (6/6) Updating submodules...
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✔️ Switched repo 📂MyRepo to branch 'main' (took 22 sec)
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.LINK
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https://github.com/fleschutz/PowerShell
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.NOTES
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Author: Markus Fleschutz | License: CC0
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#>
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param([string]$BranchName = "", [string]$RepoDir = "$PWD")
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try {
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if ($BranchName -eq "") { $BranchName = read-host "Enter name of branch to switch to" }
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if ($RepoDir -eq "") { $RepoDir = read-host "Enter path to the local Git repository" }
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$StopWatch = [system.diagnostics.stopwatch]::startNew()
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Write-Host "⏳ (1/6) Searching for Git executable... " -noNewline
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& git --version
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if ($lastExitCode -ne "0") { throw "Can't execute 'git' - make sure Git is installed and available" }
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Write-Host "⏳ (2/6) Checking local repository..."
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$RepoDir = Resolve-Path "$RepoDir"
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if (-not(Test-Path "$RepoDir" -pathType container)) { throw "Can't access directory: $RepoDir" }
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$Result = (git status)
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if ($lastExitCode -ne "0") { throw "'git status' in $RepoDir failed with exit code $lastExitCode" }
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if ("$Result" -notmatch "nothing to commit, working tree clean") { throw "Git repository is NOT clean: $Result" }
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$RepoDirName = (Get-Item "$RepoDir").Name
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"⏳ (3/6) Fetching updates..."
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& git -C "$RepoDir" fetch --all --prune --prune-tags --force
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if ($lastExitCode -ne "0") { throw "'git fetch' failed with exit code $lastExitCode" }
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"⏳ (4/6) Switching to branch '$BranchName'..."
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& git -C "$RepoDir" checkout --recurse-submodules "$BranchName"
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if ($lastExitCode -ne "0") { throw "'git checkout $BranchName' failed with exit code $lastExitCode" }
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"⏳ (5/6) Pulling updates..."
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& git -C "$RepoDir" pull --recurse-submodules
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if ($lastExitCode -ne "0") { throw "'git pull' failed with exit code $lastExitCode" }
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"⏳ (6/6) Updating submodules..."
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& git -C "$RepoDir" submodule update --init --recursive
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if ($lastExitCode -ne "0") { throw "'git submodule update' failed with exit code $lastExitCode" }
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[int]$Elapsed = $StopWatch.Elapsed.TotalSeconds
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"✔️ Switched repo 📂$RepoDirName to branch '$BranchName' (took $Elapsed sec)"
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exit 0 # success
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} catch {
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"⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
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}
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```
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*(generated by convert-ps2md.ps1 using the comment-based help of switch-branch.ps1 as of 09/20/2023 17:04:44)*
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