feat(install): add Commit History / Downgrade & Check for Updates

scripts/install/windows/install.ps1

@@ -46,10 +46,13 @@ $OrangeLight = Get-RGBCode 255 140 66
 $OrangeDark  = Get-RGBCode 224 123 57
 $OrangeMid   = Get-RGBCode 240 131 61
 
+$SelectBg = "$Esc[48;2;255;140;66m$Esc[38;2;0;0;0m"
+
 $White = "White"
 $Gray  = "DarkGray"
 $Red   = "Red"
 $Green = "Green"
+$Cyan  = "Cyan"
 
 function Get-GradientColor($index, $total) {
     $r1 = 255; $g1 = 140; $b1 = 66
@@ -106,11 +109,58 @@ function Test-Dependencies {
     return $true
 }
 
-function Get-ThemeStatus {
+function Get-DefaultBranch {
-    if (Test-Path $ThemePath) {
+    Push-Location $ThemePath
-        return "Installed"
+    $ref = git symbolic-ref refs/remotes/origin/HEAD 2>$null
+    Pop-Location
+    if ($ref) {
+        $parts = $ref -split "/"
+        return $parts[$parts.Count - 1]
     }
-    return "Not Installed"
+    return "main"
+}
+
+function Test-IsDetached {
+    Push-Location $ThemePath
+    git symbolic-ref -q HEAD | Out-Null
+    $attached = $?
+    Pop-Location
+    return -not $attached
+}
+
+function Get-ThemeStatusDetailed {
+    if (-not (Test-Path $ThemePath)) {
+        return @{ Text = "Not Installed"; Color = $Red }
+    }
+
+    if (-not (Get-Command git -ErrorAction SilentlyContinue)) {
+        return @{ Text = "Installed"; Color = $Green }
+    }
+
+    Push-Location $ThemePath
+    git fetch origin --quiet 2>$null
+    $localHash = (git rev-parse HEAD 2>$null)
+    Pop-Location
+
+    if (Test-IsDetached) {
+        $shortHash = if ($localHash) { $localHash.Substring(0, 7) } else { "unknown" }
+        return @{ Text = "Installed (custom commit $shortHash)"; Color = $Cyan }
+    }
+
+    $branch = Get-DefaultBranch
+    Push-Location $ThemePath
+    $remoteHash = (git rev-parse "origin/$branch" 2>$null)
+    Pop-Location
+
+    if (-not $localHash -or -not $remoteHash) {
+        return @{ Text = "Installed"; Color = $Green }
+    }
+
+    if ($localHash -eq $remoteHash) {
+        return @{ Text = "Installed (up to date)"; Color = $Green }
+    }
+
+    return @{ Text = "Installed (outdated)"; Color = $Red }
 }
 
 function Install-Theme {
@@ -174,6 +224,14 @@ function Update-Theme {
         return
     }
 
+    if (Test-IsDetached) {
+        $branch = Get-DefaultBranch
+        Write-Host "$OrangeMid  Currently on a custom commit. Returning to $branch...$Reset"
+        Push-Location $ThemePath
+        git checkout $branch --quiet
+        Pop-Location
+    }
+
     Push-Location $ThemePath
     git pull
     Pop-Location
@@ -220,6 +278,199 @@ function Uninstall-Theme {
     Pause-Return
 }
 
+function Read-ArrowSelection {
+    param(
+        [string[]]$Items,
+        [int]$CurrentIndex = -1,
+        [scriptblock]$HeaderRenderer
+    )
+
+    $selectedIndex = 0
+    if ($CurrentIndex -ge 0) { $selectedIndex = $CurrentIndex }
+
+    while ($true) {
+        & $HeaderRenderer
+
+        for ($i = 0; $i -lt $Items.Count; $i++) {
+            $prefix = if ($i -eq $CurrentIndex) { "> " } else { "  " }
+            $text = "$prefix$($Items[$i])"
+
+            if ($i -eq $selectedIndex) {
+                Write-Host "$SelectBg $text $Reset"
+            }
+            elseif ($i -eq $CurrentIndex) {
+                Write-Host $text -ForegroundColor $Green
+            }
+            else {
+                Write-Host $text -ForegroundColor $White
+            }
+        }
+
+        Write-Host ""
+        Write-Host "$OrangeDark  =============================================================$Reset"
+        Write-Host "  Up/Down to move, Enter to select, Esc to go back" -ForegroundColor $Gray
+
+        $key = $Host.UI.RawUI.ReadKey("NoEcho,IncludeKeyDown")
+        $code = $key.VirtualKeyCode
+
+        if ($code -eq 38) {
+            if ($selectedIndex -gt 0) { $selectedIndex-- } else { $selectedIndex = $Items.Count - 1 }
+        }
+        elseif ($code -eq 40) {
+            if ($selectedIndex -lt $Items.Count - 1) { $selectedIndex++ } else { $selectedIndex = 0 }
+        }
+        elseif ($code -eq 13) {
+            return $selectedIndex
+        }
+        elseif ($code -eq 27) {
+            return -1
+        }
+    }
+}
+
+function Get-CommitList {
+    Push-Location $ThemePath
+    git fetch origin --quiet 2>$null
+    $rawLog = git log --all --pretty=format:"%H|%h|%ad|%s" --date=short
+    Pop-Location
+
+    $commits = @()
+    foreach ($line in $rawLog) {
+        $parts = $line -split "\|", 4
+        if ($parts.Count -eq 4) {
+            $commits += [PSCustomObject]@{
+                FullHash  = $parts[0]
+                ShortHash = $parts[1]
+                Date      = $parts[2]
+                Subject   = $parts[3]
+            }
+        }
+    }
+    return $commits
+}
+
+function Show-CommitHistory {
+    if (-not (Test-Path $ThemePath)) {
+        Show-Header
+        Write-Host "  $ThemeName is not installed." -ForegroundColor $Red
+        Pause-Return
+        return
+    }
+
+    if (-not (Test-Dependencies)) {
+        Pause-Return
+        return
+    }
+
+    $viewing = $true
+    while ($viewing) {
+        $commits = Get-CommitList
+        if ($commits.Count -eq 0) {
+            Show-Header
+            Write-Host "  No commits found." -ForegroundColor $Red
+            Pause-Return
+            return
+        }
+
+        Push-Location $ThemePath
+        $currentHash = (git rev-parse HEAD 2>$null)
+        Pop-Location
+
+        $currentIndex = -1
+        $items = @()
+        for ($i = 0; $i -lt $commits.Count; $i++) {
+            $commit = $commits[$i]
+            $items += "$($commit.ShortHash)  $($commit.Date)  $($commit.Subject)"
+            if ($commit.FullHash -eq $currentHash) {
+                $currentIndex = $i
+            }
+        }
+        $returnLatestIndex = $items.Count
+        $items += "Return to latest version"
+        $backIndex = $items.Count
+        $items += "Back"
+
+        $headerRenderer = {
+            Show-Header
+            Write-Host "$OrangeLight  Commit History$Reset"
+            Write-Host ""
+        }
+
+        $selection = Read-ArrowSelection -Items $items -CurrentIndex $currentIndex -HeaderRenderer $headerRenderer
+
+        if ($selection -eq -1 -or $selection -eq $backIndex) {
+            $viewing = $false
+        }
+        elseif ($selection -eq $returnLatestIndex) {
+            Update-Theme
+        }
+        elseif ($selection -ge 0 -and $selection -lt $commits.Count) {
+            Checkout-Commit $commits[$selection]
+        }
+    }
+}
+
+function Checkout-Commit($commit) {
+    Show-Header
+    Write-Host "$OrangeLight  Checking out commit $($commit.ShortHash)...$Reset"
+    Write-Host "  $($commit.Date)  $($commit.Subject)" -ForegroundColor $Gray
+    Write-Host ""
+    Write-Host "  This will switch the theme to this specific version." -ForegroundColor $Gray
+    $confirm = Read-Host "  Type Y to confirm"
+    if ($confirm -ne "Y" -and $confirm -ne "y") {
+        Write-Host "  Cancelled." -ForegroundColor $Gray
+        Pause-Return
+        return
+    }
+
+    Push-Location $ThemePath
+    git checkout $commit.FullHash --quiet
+    Pop-Location
+
+    if (Get-Command spicetify -ErrorAction SilentlyContinue) {
+        Write-Host ""
+        Write-Host "$OrangeMid  Applying Spicetify...$Reset"
+        spicetify apply
+    }
+
+    Write-Host ""
+    Write-Host "  $ThemeName is now on commit $($commit.ShortHash)." -ForegroundColor $Green
+    Pause-Return
+}
+
+function Check-ForUpdates {
+    Show-Header
+    Write-Host "$OrangeLight  Checking for updates...$Reset"
+    Write-Host ""
+
+    if (-not (Test-Path $ThemePath)) {
+        Write-Host "  $ThemeName is not installed." -ForegroundColor $Red
+        Pause-Return
+        return
+    }
+
+    if (-not (Test-Dependencies)) {
+        Pause-Return
+        return
+    }
+
+    $status = Get-ThemeStatusDetailed
+    Write-Host "  Status: " -NoNewline -ForegroundColor $White
+    Write-Host $status.Text -ForegroundColor $status.Color
+
+    if ($status.Text -eq "Installed (outdated)") {
+        Write-Host ""
+        Write-Host "  A newer version is available." -ForegroundColor $Gray
+        $confirm = Read-Host "  Type Y to update now"
+        if ($confirm -eq "Y" -or $confirm -eq "y") {
+            Update-Theme
+            return
+        }
+    }
+
+    Pause-Return
+}
+
 function Pause-Return {
     Write-Host ""
     Write-Host "  Press any key to return to the menu..." -ForegroundColor $Gray
@@ -228,16 +479,17 @@ function Pause-Return {
 
 function Show-Menu {
     Show-Header
-    $status = Get-ThemeStatus
+    $status = Get-ThemeStatusDetailed
-    $statusColor = if ($status -eq "Installed") { $Green } else { $Red }
 
     Write-Host "  Status: " -NoNewline -ForegroundColor $White
-    Write-Host $status -ForegroundColor $statusColor
+    Write-Host $status.Text -ForegroundColor $status.Color
     Write-Host ""
-    Write-Host "  [1] Install $ThemeName"   -ForegroundColor $White
+    Write-Host "  [1] Install $ThemeName"       -ForegroundColor $White
-    Write-Host "  [2] Update $ThemeName"    -ForegroundColor $White
+    Write-Host "  [2] Update $ThemeName"        -ForegroundColor $White
-    Write-Host "  [3] Uninstall $ThemeName" -ForegroundColor $White
+    Write-Host "  [3] Uninstall $ThemeName"     -ForegroundColor $White
-    Write-Host "  [4] Exit"                 -ForegroundColor $White
+    Write-Host "  [4] Commit History / Downgrade" -ForegroundColor $White
+    Write-Host "  [5] Check for Updates"        -ForegroundColor $White
+    Write-Host "  [6] Exit"                     -ForegroundColor $White
     Write-Host ""
     Write-Host "$OrangeDark  =============================================================$Reset"
     Write-Host ""
@@ -252,7 +504,9 @@ while ($running) {
         "1" { Install-Theme }
         "2" { Update-Theme }
         "3" { Uninstall-Theme }
-        "4" { $running = $false }
+        "4" { Show-CommitHistory }
+        "5" { Check-ForUpdates }
+        "6" { $running = $false }
         default {
             Show-Header
             Write-Host "  Invalid option." -ForegroundColor $Red