# Oh My Posh for GitHub Copilot CLI statusline - Catppuccin theme

> Source: <https://gist.github.com/cinnamon-msft/1f52589615967a3118f64c2291532df6>
> Published: 2026-05-13 14:10:03+00:00

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$ErrorActionPreference = 'Stop' |
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[Console]::OutputEncoding = [System.Text.UTF8Encoding]::new() |
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function Format-TokenCount { |
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param([Nullable[double]]$Value) |
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if ($null -eq $Value) { return '?' } |
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if ($Value -ge 1000000) { return ('{0:0.0}m' -f ($Value / 1000000)) } |
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if ($Value -ge 1000) { return ('{0:0}k' -f ($Value / 1000)) } |
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return ([int][Math]::Round($Value)).ToString() |
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} |
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# Copilot sends the statusline payload as JSON on stdin. |
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$payload = [Console]::In.ReadToEnd() |
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try { |
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$json = $payload | ConvertFrom-Json |
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} catch { |
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Write-Host -NoNewline 'Copilot status unavailable' |
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exit 0 |
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} |
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$context = $json.context_window |
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$currentTokens = if ($null -ne $context.current_context_tokens) { |
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[double]$context.current_context_tokens |
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} else { |
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$null |
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} |
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$contextLimit = if ($null -ne $context.displayed_context_limit) { |
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[double]$context.displayed_context_limit |
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} else { |
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$null |
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} |
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$cost = $json.cost |
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$linesAdded = if ($null -ne $cost.total_lines_added) { [int]$cost.total_lines_added } else { 0 } |
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$linesRemoved = if ($null -ne $cost.total_lines_removed) { [int]$cost.total_lines_removed } else { 0 } |
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$theme = Join-Path $PSScriptRoot 'statusline.omp.json' |
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$cwd = if ($json.cwd) { [string]$json.cwd } else { (Get-Location).Path } |
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$folderName = Split-Path -Path $cwd -Leaf |
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if ([string]::IsNullOrWhiteSpace($folderName)) { |
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$folderName = $cwd |
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} |
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$branchName = '' |
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# Only show a branch when the payload cwd is actually inside a git work tree. |
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$isRepo = & git -C $cwd rev-parse --is-inside-work-tree 2>$null |
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if ($LASTEXITCODE -eq 0 -and $isRepo -eq 'true') { |
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$branchName = (& git -C $cwd branch --show-current 2>$null).Trim() |
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if ([string]::IsNullOrWhiteSpace($branchName)) { |
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$branchName = (& git -C $cwd rev-parse --short HEAD 2>$null).Trim() |
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} |
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} |
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$env:COPILOT_STATUS_FOLDER = $folderName |
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$env:COPILOT_STATUS_BRANCH = $branchName |
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$env:COPILOT_STATUS_TOKENS = "$(Format-TokenCount $currentTokens)/$(Format-TokenCount $contextLimit)" |
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$env:COPILOT_STATUS_CHANGES = if ($linesAdded -or $linesRemoved) { "+$linesAdded/-$linesRemoved" } else { '' } |
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try { |
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# Let Oh My Posh draw the final line; the script only prepares the data. |
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$output = & oh-my-posh print primary --config $theme --pwd $cwd --force --escape=false 2>$null |
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if ([string]::IsNullOrWhiteSpace($output)) { |
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throw 'Oh My Posh returned no output.' |
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} |
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Write-Host -NoNewline $output.TrimEnd() |
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} catch { |
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# Fallback stays readable if the theme cannot render for any reason. |
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$branch = if ($env:COPILOT_STATUS_BRANCH) { " | $($env:COPILOT_STATUS_BRANCH)" } else { '' } |
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$changes = if ($env:COPILOT_STATUS_CHANGES) { " | $($env:COPILOT_STATUS_CHANGES)" } else { '' } |
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Write-Host -NoNewline "$($env:COPILOT_STATUS_FOLDER)$branch | $($env:COPILOT_STATUS_TOKENS)$changes" |
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} |