feat(PikaOS): add official support & installer options

Fixes #2772

core/cmd/dms/commands_greeter.go

@@ -53,6 +53,10 @@ func greeterPackageInstallHint() string {
 		return "Install package: dms-greeter"
 	}
 
+	if config.ID == "pika" {
+		return "Install with 'sudo apt install dms-greeter'"
+	}
+
 	switch config.Family {
 	case distros.FamilyDebian:
 		return "Install with 'sudo apt install dms-greeter' (requires DankLinux OBS repo — see " + site.Docs + "/dankgreeter/installation#debian)"

core/internal/distros/debian.go

@@ -70,6 +70,11 @@ func (d *DebianDistribution) DetectDependenciesWithTerminal(ctx context.Context,
 		dependencies = append(dependencies, d.detectXwaylandSatellite())
 	}
 
+	if wm == deps.WindowManagerHyprland && d.isPika() {
+		dependencies = append(dependencies, d.detectHyprlandTools()...)
+		dependencies = append(dependencies, d.detectHyprlandGuiutils())
+	}
+
 	dependencies = append(dependencies, d.detectMatugen())
 	dependencies = append(dependencies, d.detectDanksearch())
 	dependencies = append(dependencies, withGitVariant(d.detectDankCalendar(), d.packageInstalled("dankcalendar-git")))
@@ -140,6 +145,9 @@ func (d *DebianDistribution) GetPackageMapping(wm deps.WindowManager) map[string
 }
 
 func (d *DebianDistribution) GetPackageMappingWithVariants(wm deps.WindowManager, variants map[string]deps.PackageVariant) map[string]PackageMapping {
+	if d.isPika() {
+		return d.pikaPackageMapping(wm, variants)
+	}
 	packages := map[string]PackageMapping{
 		// Standard APT packages
 		"git":                    {Name: "git", Repository: RepoTypeSystem},

core/internal/distros/pika.go

@@ -0,0 +1,50 @@
+package distros
+
+import (
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/deps"
+)
+
+// PikaOS carries the whole DMS stack in its own apt repo, so no OBS repos or backports.
+func init() {
+	Register("pika", "#FFDE34", FamilyDebian, func(config DistroConfig, logChan chan<- string) Distribution {
+		return NewDebianDistribution(config, logChan)
+	})
+}
+
+func (d *DebianDistribution) isPika() bool {
+	return d.config.ID == "pika"
+}
+
+func (d *DebianDistribution) pikaPackageMapping(wm deps.WindowManager, variants map[string]deps.PackageVariant) map[string]PackageMapping {
+	system := func(name string) PackageMapping {
+		return PackageMapping{Name: name, Repository: RepoTypeSystem}
+	}
+	packages := map[string]PackageMapping{
+		"git":                     system("git"),
+		"kitty":                   system("kitty"),
+		"alacritty":               system("alacritty"),
+		"ghostty":                 system("ghostty"),
+		"xdg-desktop-portal-gtk":  system("xdg-desktop-portal-gtk"),
+		"accountsservice":         system("accountsservice"),
+		"dms (DankMaterialShell)": variantMapping("dms", variants["dms (DankMaterialShell)"], RepoTypeSystem, ""),
+		"quickshell":              variantMapping("quickshell", variants["quickshell"], RepoTypeSystem, ""),
+		"dms-greeter":             variantMapping("dms-greeter", variants["dms-greeter"], RepoTypeSystem, ""),
+		"matugen":                 system("matugen"),
+		"danksearch":              system("danksearch"),
+		"dankcalendar":            variantMapping("dankcalendar", variants["dankcalendar"], RepoTypeSystem, ""),
+	}
+
+	switch wm {
+	case deps.WindowManagerHyprland:
+		packages["hyprland"] = system("hyprland")
+		packages["hyprctl"] = system("hyprland")
+		packages["jq"] = system("jq")
+		// Debian's hyprland-guiutils breaks the hyprland-qtutils PikaOS's hyprland depends on.
+		packages["hyprland-guiutils"] = system("hyprland-qtutils")
+	case deps.WindowManagerNiri:
+		packages["niri"] = variantMapping("niri", variants["niri"], RepoTypeSystem, "")
+		packages["xwayland-satellite"] = variantMapping("xwayland-satellite", variants["niri"], RepoTypeSystem, "")
+	}
+
+	return packages
+}

core/internal/distros/pika_test.go

@@ -0,0 +1,33 @@
+package distros
+
+import (
+	"testing"
+
+	"github.com/AvengeMedia/DankMaterialShell/core/internal/deps"
+)
+
+func TestPikaPackageMapping_SystemRepoOnly(t *testing.T) {
+	d := NewDebianDistribution(Registry["pika"], nil)
+	variants := map[string]deps.PackageVariant{
+		"quickshell":              deps.VariantGit,
+		"dms (DankMaterialShell)": deps.VariantGit,
+	}
+	for _, wm := range []deps.WindowManager{deps.WindowManagerNiri, deps.WindowManagerHyprland} {
+		packages := d.GetPackageMappingWithVariants(wm, variants)
+		for name, pkg := range packages {
+			if pkg.Repository != RepoTypeSystem {
+				t.Errorf("%v: pika maps %s to %s, want system repo", wm, name, pkg.Repository)
+			}
+		}
+		if packages["dms (DankMaterialShell)"].Name != "dms-git" {
+			t.Errorf("%v: dms git variant = %s, want dms-git", wm, packages["dms (DankMaterialShell)"].Name)
+		}
+	}
+	hypr := d.GetPackageMapping(deps.WindowManagerHyprland)
+	if _, ok := hypr["hyprland"]; !ok {
+		t.Error("pika offers hyprland but maps no package for it")
+	}
+	if hypr["hyprland-guiutils"].Name != "hyprland-qtutils" {
+		t.Errorf("hyprland-guiutils = %s, want hyprland-qtutils", hypr["hyprland-guiutils"].Name)
+	}
+}