Prepare to version 1.5 use spec-kit

.specify/scripts/powershell/common.ps1

@@ -0,0 +1,137 @@
+#!/usr/bin/env pwsh
+# Common PowerShell functions analogous to common.sh
+
+function Get-RepoRoot {
+    try {
+        $result = git rev-parse --show-toplevel 2>$null
+        if ($LASTEXITCODE -eq 0) {
+            return $result
+        }
+    } catch {
+        # Git command failed
+    }
+    
+    # Fall back to script location for non-git repos
+    return (Resolve-Path (Join-Path $PSScriptRoot "../../..")).Path
+}
+
+function Get-CurrentBranch {
+    # First check if SPECIFY_FEATURE environment variable is set
+    if ($env:SPECIFY_FEATURE) {
+        return $env:SPECIFY_FEATURE
+    }
+    
+    # Then check git if available
+    try {
+        $result = git rev-parse --abbrev-ref HEAD 2>$null
+        if ($LASTEXITCODE -eq 0) {
+            return $result
+        }
+    } catch {
+        # Git command failed
+    }
+    
+    # For non-git repos, try to find the latest feature directory
+    $repoRoot = Get-RepoRoot
+    $specsDir = Join-Path $repoRoot "specs"
+    
+    if (Test-Path $specsDir) {
+        $latestFeature = ""
+        $highest = 0
+        
+        Get-ChildItem -Path $specsDir -Directory | ForEach-Object {
+            if ($_.Name -match '^(\d{3})-') {
+                $num = [int]$matches[1]
+                if ($num -gt $highest) {
+                    $highest = $num
+                    $latestFeature = $_.Name
+                }
+            }
+        }
+        
+        if ($latestFeature) {
+            return $latestFeature
+        }
+    }
+    
+    # Final fallback
+    return "main"
+}
+
+function Test-HasGit {
+    try {
+        git rev-parse --show-toplevel 2>$null | Out-Null
+        return ($LASTEXITCODE -eq 0)
+    } catch {
+        return $false
+    }
+}
+
+function Test-FeatureBranch {
+    param(
+        [string]$Branch,
+        [bool]$HasGit = $true
+    )
+    
+    # For non-git repos, we can't enforce branch naming but still provide output
+    if (-not $HasGit) {
+        Write-Warning "[specify] Warning: Git repository not detected; skipped branch validation"
+        return $true
+    }
+    
+    if ($Branch -notmatch '^[0-9]{3}-') {
+        Write-Output "ERROR: Not on a feature branch. Current branch: $Branch"
+        Write-Output "Feature branches should be named like: 001-feature-name"
+        return $false
+    }
+    return $true
+}
+
+function Get-FeatureDir {
+    param([string]$RepoRoot, [string]$Branch)
+    Join-Path $RepoRoot "specs/$Branch"
+}
+
+function Get-FeaturePathsEnv {
+    $repoRoot = Get-RepoRoot
+    $currentBranch = Get-CurrentBranch
+    $hasGit = Test-HasGit
+    $featureDir = Get-FeatureDir -RepoRoot $repoRoot -Branch $currentBranch
+    
+    [PSCustomObject]@{
+        REPO_ROOT     = $repoRoot
+        CURRENT_BRANCH = $currentBranch
+        HAS_GIT       = $hasGit
+        FEATURE_DIR   = $featureDir
+        FEATURE_SPEC  = Join-Path $featureDir 'spec.md'
+        IMPL_PLAN     = Join-Path $featureDir 'plan.md'
+        TASKS         = Join-Path $featureDir 'tasks.md'
+        RESEARCH      = Join-Path $featureDir 'research.md'
+        DATA_MODEL    = Join-Path $featureDir 'data-model.md'
+        QUICKSTART    = Join-Path $featureDir 'quickstart.md'
+        CONTRACTS_DIR = Join-Path $featureDir 'contracts'
+    }
+}
+
+function Test-FileExists {
+    param([string]$Path, [string]$Description)
+    if (Test-Path -Path $Path -PathType Leaf) {
+        Write-Output "  ✓ $Description"
+        return $true
+    } else {
+        Write-Output "  ✗ $Description"
+        return $false
+    }
+}
+
+function Test-DirHasFiles {
+    param([string]$Path, [string]$Description)
+    if ((Test-Path -Path $Path -PathType Container) -and (Get-ChildItem -Path $Path -ErrorAction SilentlyContinue | Where-Object { -not $_.PSIsContainer } | Select-Object -First 1)) {
+        Write-Output "  ✓ $Description"
+        return $true
+    } else {
+        Write-Output "  ✗ $Description"
+        return $false
+    }
+}
+