pshazz

git-slim.ps1

try { Get-Command git -ea stop > $null } catch { return }

function pshazz:git-slim:init {
    $git = $global:pshazz.theme.git
    
    $dirty = $git.prompt_dirty

	$unstaged = $git.prompt_unstaged
	$staged = $git.prompt_staged
	$stash = $git.prompt_stash
	$untracked = $git.prompt_untracked

	$push = $git.prompt_remote_push
	$pull = $git.prompt_remote_pull
	$same = $git.prompt_remote_same

	# defaults
	if(!$dirty) { $dirty = "*" }

	if(!$unstaged)  { $unstaged  = "*" }
	if(!$staged)    { $staged    = "+" }
	if(!$stash)     { $stash     = "$" }
	if(!$untracked) { $untracked = "%" }

	if(!$push) { $push = ">" }
	if(!$pull) { $pull = "<" }
	if(!$same) { $same = "=" }

	$global:pshazz.git = @{
		prompt_dirty       = $dirty;
		prompt_unstaged    = $unstaged;
		prompt_staged      = $staged;
		prompt_stash       = $stash;
		prompt_untracked   = $untracked;
		prompt_remote_push = $push;
		prompt_remote_pull = $pull;
		prompt_remote_same = $same;
		prompt_lbracket    = $git.prompt_lbracket;
		prompt_rbracket    = $git.prompt_rbracket;
	}
    
	$global:pshazz.completions.git = resolve-path "$pluginDir\..\libexec\git-complete.ps1"
}

# Based on posh-git
function global:pshazz:git-slim:git_branch($git_dir) {
	$r = ''; $b = ''; $c = ''
	if (Test-Path $git_dir\rebase-merge\interactive) {
		$r = '|REBASE-i'
		$b = "$(Get-Content $git_dir\rebase-merge\head-name)"
	} elseif (Test-Path $git_dir\rebase-merge) {
		$r = '|REBASE-m'
		$b = "$(Get-Content $git_dir\rebase-merge\head-name)"
	} else {
		if (Test-Path $git_dir\rebase-apply) {
			if (Test-Path $git_dir\rebase-apply\rebasing) {
				$r = '|REBASE'
			} elseif (Test-Path $git_dir\rebase-apply\applying) {
				$r = '|AM'
			} else {
				$r = '|AM/REBASE'
			}
		} elseif (Test-Path $git_dir\MERGE_HEAD) {
			$r = '|MERGING'
		} elseif (Test-Path $git_dir\CHERRY_PICK_HEAD) {
			$r = '|CHERRY-PICKING'
		} elseif (Test-Path $git_dir\BISECT_LOG) {
			$r = '|BISECTING'
		}

		try { $b = git symbolic-ref HEAD } catch { }
		if (-not $b) {
			try { $b = git rev-parse --short HEAD } catch { }
		}
	}

	if ('true' -eq $(git rev-parse --is-inside-git-dir 2>$null)) {
		if ('true' -eq $(git rev-parse --is-bare-repository 2>$null)) {
			$c = 'BARE:'
		} else {
			$b = 'GIT_DIR!'
		}
	}

	return "$c$($b -replace 'refs/heads/','')$r"
}

function global:pshazz:git-slim:prompt {
	$vars = $global:pshazz.prompt_vars

	$git_root = pshazz_local_or_parent_path .git

	if ($git_root) {
  
		$vars.git_current_branch = ([char]0xe0a0);
		$vars.yes_git = ([char]0xe0b0);

		$vars.is_git = $true
    
		$vars.git_branch =  pshazz:git-slim:git_branch (Join-Path $git_root ".git")

		try { $status = git status --porcelain } catch { }
    
		if($status) {
			$vars.git_dirty = $global:pshazz.git.prompt_dirty
		}
	} else {
		$vars.no_git = ([char]0xe0b0);
	}
}

lambda.json

{
    "plugins": ["git-slim", "ssh"],
    "prompt": [
        ["", "", "λ "],
        ["", "", "$path\\"],
        ["green", "", " $git_branch"],
        ["green", "", "$git_dirty"]
    ],
    "git": {
        "prompt_dirty": "*"
    }
}