refactor(commands): separate commands and its core into two folders (#32)

- I think it would be better if one for commands only, one for the spec
handling core logic so people won't be confused by the core logic inside
the commands folder (cleaner I guess)
- Regen docs

commands/pkginstaller/dpkg.go

@@ -1,14 +1,14 @@
 package pkginstaller
 
 import (
-	"github.com/versenilvis/iris/commands/core"
+	"github.com/versenilvis/iris/spec"
 )
 
 func init() {
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "dpkg",
 		Description: "Debian package management system",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "query", Description: "Query the dpkg database"},
 			{Name: "install", Description: "Install or upgrade packages"},
 			{Name: "remove", Description: "Remove packages"},
@@ -20,7 +20,7 @@ func init() {
 			{Name: "check", Description: "Check the dependencies of packages"},
 			{Name: "compare-versions", Description: "Compare package versions"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-l", Description: "List packages matching a pattern"},
 			{Name: "-s", Description: "Display the status of available packages"},
 			{Name: "-L", Description: "List files in a package"},

commands/pkginstaller/pkgmgr.go

@@ -6,11 +6,11 @@ import (
 	"strings"
 	"time"
 
-	"github.com/versenilvis/iris/commands/core"
+	"github.com/versenilvis/iris/spec"
 )
 
-func installedPackageGenerator(pm string) core.GeneratorFunc {
-	return func(tokens []string, _ string, _ string) []core.Suggestion {
+func installedPackageGenerator(pm string) spec.GeneratorFunc {
+	return func(tokens []string, _ string, _ string) []spec.Suggestion {
 		ctx, cancel := context.WithTimeout(context.Background(), 8*time.Second)
 		defer cancel()
 
@@ -33,13 +33,13 @@ func installedPackageGenerator(pm string) core.GeneratorFunc {
 			return nil
 		}
 
-		var results []core.Suggestion
+		var results []spec.Suggestion
 		for line := range strings.SplitSeq(string(out), "\n") {
 			line = strings.TrimSpace(line)
 			if line == "" {
 				continue
 			}
-			results = append(results, core.Suggestion{Cmd: line, Desc: "installed"})
+			results = append(results, spec.Suggestion{Cmd: line, Desc: "installed"})
 		}
 		return results
 	}
@@ -47,10 +47,10 @@ func installedPackageGenerator(pm string) core.GeneratorFunc {
 
 func init() {
 	// pacman
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "pacman",
 		Description: "Arch package manager",
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-S", Description: "install package"},
 			{Name: "-Syu", Description: "full system upgrade"},
 			{Name: "-Sy", Description: "sync database"},
@@ -77,10 +77,10 @@ func init() {
 	})
 
 	// yay
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "yay",
 		Description: "AUR helper (pacman wrapper)",
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-S", Description: "install package (AUR + repos)"},
 			{Name: "-Syu", Description: "full system upgrade + AUR"},
 			{Name: "-Ss", Description: "search AUR + repos"},
@@ -103,10 +103,10 @@ func init() {
 	})
 
 	// paru
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "paru",
 		Description: "AUR helper (feature-rich)",
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-S", Description: "install package"},
 			{Name: "-Syu", Description: "full upgrade"},
 			{Name: "-Ss", Description: "search"},
@@ -122,10 +122,10 @@ func init() {
 	})
 
 	// apt
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "apt",
 		Description: "Debian/Ubuntu package manager",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "install", Description: "install packages"},
 			{Name: "remove", Description: "remove packages", Generator: installedPackageGenerator("apt")},
 			{Name: "purge", Description: "remove + config files", Generator: installedPackageGenerator("apt")},
@@ -136,7 +136,7 @@ func init() {
 			{Name: "dist-upgrade", Description: "smart upgrade"},
 			{Name: "search", Description: "search packages"},
 			{Name: "show", Description: "show package info"},
-			{Name: "list", Description: "list packages", Options: []core.Option{
+			{Name: "list", Description: "list packages", Options: []spec.Option{
 				{Name: "--installed", Description: "installed only"},
 				{Name: "--upgradable", Description: "upgradable only"},
 			}},
@@ -146,7 +146,7 @@ func init() {
 			{Name: "depends", Description: "show dependencies"},
 			{Name: "rdepends", Description: "show reverse dependencies"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-y", Description: "yes to all"},
 			{Name: "--no-install-recommends", Description: "skip recommends"},
 			{Name: "--dry-run", Description: "simulate"},
@@ -156,10 +156,10 @@ func init() {
 	})
 
 	// apt-get
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "apt-get",
 		Description: "Debian/Ubuntu package manager (low-level)",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "install", Description: "install packages"},
 			{Name: "remove", Description: "remove packages", Generator: installedPackageGenerator("apt")},
 			{Name: "purge", Description: "remove + configs", Generator: installedPackageGenerator("apt")},
@@ -172,7 +172,7 @@ func init() {
 			{Name: "download", Description: "download only"},
 			{Name: "source", Description: "get source package"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-y", Description: "yes to all"},
 			{Name: "--no-install-recommends", Description: "skip recommends"},
 			{Name: "-q", Description: "quiet"},
@@ -182,10 +182,10 @@ func init() {
 	})
 
 	// dnf (Fedora/RHEL)
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "dnf",
 		Description: "Fedora/RHEL package manager",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "install", Description: "install packages"},
 			{Name: "remove", Description: "remove packages", Generator: installedPackageGenerator("dnf")},
 			{Name: "update", Description: "update packages"},
@@ -194,7 +194,7 @@ func init() {
 			{Name: "info", Description: "show package info"},
 			{Name: "list", Description: "list packages"},
 			{Name: "autoremove", Description: "remove unneeded"},
-			{Name: "clean", Description: "clean cache", Subcommands: []core.Subcommand{
+			{Name: "clean", Description: "clean cache", Subcommands: []spec.Subcommand{
 				{Name: "all", Description: "clean all"},
 				{Name: "packages", Description: "clean packages"},
 				{Name: "metadata", Description: "clean metadata"},
@@ -203,7 +203,7 @@ func init() {
 			{Name: "history", Description: "transaction history"},
 			{Name: "group", Description: "manage package groups"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-y", Description: "yes to all"},
 			{Name: "-q", Description: "quiet"},
 			{Name: "--best", Description: "install best"},
@@ -213,10 +213,10 @@ func init() {
 	})
 
 	// yum (RHEL/CentOS legacy)
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "yum",
 		Description: "RHEL/CentOS package manager (legacy)",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "install", Description: "install packages"},
 			{Name: "remove", Description: "remove packages", Generator: installedPackageGenerator("yum")},
 			{Name: "update", Description: "update packages"},
@@ -226,17 +226,17 @@ func init() {
 			{Name: "clean", Description: "clean cache"},
 			{Name: "repolist", Description: "list repos"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "-y", Description: "yes to all"},
 			{Name: "-q", Description: "quiet"},
 		},
 	})
 
 	// brew (macOS / Linux Homebrew)
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "brew",
 		Description: "Homebrew package manager",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "install", Description: "install formula/cask"},
 			{Name: "uninstall", Description: "remove formula", Generator: installedPackageGenerator("brew")},
 			{Name: "reinstall", Description: "reinstall formula", Generator: installedPackageGenerator("brew")},
@@ -250,13 +250,13 @@ func init() {
 			{Name: "cleanup", Description: "remove old versions"},
 			{Name: "tap", Description: "add tap repo"},
 			{Name: "untap", Description: "remove tap"},
-			{Name: "services", Description: "manage services", Subcommands: []core.Subcommand{
+			{Name: "services", Description: "manage services", Subcommands: []spec.Subcommand{
 				{Name: "start", Description: "start service"},
 				{Name: "stop", Description: "stop service"},
 				{Name: "restart", Description: "restart service"},
 				{Name: "list", Description: "list services"},
 			}},
-			{Name: "cask", Description: "manage GUI apps", Subcommands: []core.Subcommand{
+			{Name: "cask", Description: "manage GUI apps", Subcommands: []spec.Subcommand{
 				{Name: "install", Description: "install cask"},
 				{Name: "uninstall", Description: "remove cask"},
 				{Name: "list", Description: "list casks"},
@@ -266,7 +266,7 @@ func init() {
 			{Name: "link", Description: "create symlinks", Generator: installedPackageGenerator("brew")},
 			{Name: "unlink", Description: "remove symlinks", Generator: installedPackageGenerator("brew")},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "--cask", Description: "target GUI app"},
 			{Name: "--formula", Description: "target formula"},
 			{Name: "--force", Description: "force operation"},
@@ -276,10 +276,10 @@ func init() {
 	})
 
 	// snap
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "snap",
 		Description: "snap package manager",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "install", Description: "install snap"},
 			{Name: "remove", Description: "remove snap"},
 			{Name: "refresh", Description: "update snaps"},
@@ -293,7 +293,7 @@ func init() {
 			{Name: "enable", Description: "enable snap"},
 			{Name: "disable", Description: "disable snap"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "--classic", Description: "classic confinement"},
 			{Name: "--beta", Description: "beta channel"},
 			{Name: "--edge", Description: "edge channel"},
@@ -302,10 +302,10 @@ func init() {
 	})
 
 	// flatpak
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "flatpak",
 		Description: "flatpak package manager",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "install", Description: "install application"},
 			{Name: "uninstall", Description: "remove application"},
 			{Name: "update", Description: "update applications"},
@@ -318,7 +318,7 @@ func init() {
 			{Name: "remote-list", Description: "list remotes"},
 			{Name: "repair", Description: "repair installation"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "--user", Description: "user installation"},
 			{Name: "--system", Description: "system installation"},
 			{Name: "-y", Description: "non-interactive"},

commands/pkginstaller/pkgutil.go

@@ -1,21 +1,21 @@
 package pkginstaller
 
 import (
-	"github.com/versenilvis/iris/commands/core"
+	"github.com/versenilvis/iris/spec"
 )
 
 func init() {
-	core.Register(&core.Spec{
+	spec.Register(&spec.Spec{
 		Name:        "pkgutil",
 		Description: "Query and manipulate for macOS Installer packages and receipts",
-		Subcommands: []core.Subcommand{
+		Subcommands: []spec.Subcommand{
 			{Name: "package-id", Description: "The package ID to list the files of"},
 			{Name: "path", Description: "The path to update ACLs on"},
 			{Name: "group-id", Description: "The group ID to list the packages of"},
 			{Name: "pkg-path", Description: "The path to the flat package to expand"},
 			{Name: "dir-path", Description: "The path to the directory to expand the package into"},
 		},
-		Options: []core.Option{
+		Options: []spec.Option{
 			{Name: "--packages", Description: "List all installed package IDs on the specified --volume"},
 			{Name: "--pkgs-plist", Description: "List all of the files installed under the package-id"},
 			{Name: "--export-plist", Description: "The package ID to export the plist of"},