checkpoint: began to write the neovim target

magefiles/internal/config/config.go

@@ -1,4 +1,6 @@
-package config
+//go:build mage
+
+package main
 
 import (
 	"encoding/json"
@@ -8,68 +10,74 @@ import (
 	"strings"
 )
 
-const configDir string = "hosts"
-
-type Config struct {
+type config struct {
 	ManagedConfigurations []string          `json:"managedConfigurations"`
-	BashProfile           ConfigBashProfile `json:"bashProfile"`
-	Directories           ConfigDirectories `json:"directories"`
-	Git                   ConfigGit         `json:"git"`
+	BashProfile           configBashProfile `json:"bashProfile"`
+	Directories           configDirectories `json:"directories"`
+	Git                   configGit         `json:"git"`
+	Neovim                configNeovim      `json:"neovim"`
 }
 
-type ConfigDirectories struct {
+type configDirectories struct {
 	UseDefaultDirectories bool     `json:"useDefaultDirectories"`
 	IncludeXDGDirectories bool     `json:"includeXDGDirectories"`
 	AdditionalDirectories []string `json:"additionalDirectories"`
 }
 
-type ConfigGit struct {
+type configGit struct {
 	GpgSign bool          `json:"gpgSign"`
-	User    ConfigGitUser `json:"user"`
+	User    configGitUser `json:"user"`
 }
 
-type ConfigGitUser struct {
+type configGitUser struct {
 	Email      string `json:"email"`
 	Name       string `json:"name"`
 	SigningKey string `json:"signingKey"`
 }
 
-type ConfigBashProfile struct {
+type configBashProfile struct {
 	Manage               bool                           `json:"manage"`
 	Filename             string                         `json:"filename"`
-	SessionPaths         []ConfigBashProfileSessionPath `json:"sessionPaths"`
+	SessionPaths         []configBashProfileSessionPath `json:"sessionPaths"`
 	XdgDirectories       map[string]string              `json:"xdgDirectories"`
 	EnvironmentVariables map[string]string              `json:"environmentVariables"`
 	Aliases              map[string]string              `json:"aliases"`
-	Commands             []ConfigBashProfileCommand     `json:"commands"`
+	Commands             []configBashProfileCommand     `json:"commands"`
 }
 
-type ConfigBashProfileSessionPath struct {
+type configBashProfileSessionPath struct {
 	Path        string `json:"path"`
 	Description string `json:"description"`
 }
 
-type ConfigBashProfileCommand struct {
+type configBashProfileCommand struct {
 	Command     string `json:"command"`
 	Description string `json:"description"`
 }
 
-func NewConfig() (Config, error) {
+type configNeovim struct {
+	Manage      bool   `json:"manage"`
+	GitRepoURL  string `json:"gitRepoURL"`
+	GitRef      string `json:"gitRef"`
+	GitRepoPath string `json:"gitRepoPath"`
+}
+
+func newConfig() (config, error) {
 	cfg := defaultConfig()
 
 	path, err := configFilePath()
 	if err != nil {
-		return Config{}, fmt.Errorf("unable to calculate the config file path: %w", err)
+		return config{}, fmt.Errorf("unable to calculate the config file path: %w", err)
 	}
 
 	file, err := os.Open(path)
 	if err != nil {
-		return Config{}, fmt.Errorf("unable to open the file: %w", err)
+		return config{}, fmt.Errorf("unable to open the file: %w", err)
 	}
 	defer file.Close()
 
 	if err = json.NewDecoder(file).Decode(&cfg); err != nil {
-		return Config{}, fmt.Errorf("unable to decode the JSON file: %w", err)
+		return config{}, fmt.Errorf("unable to decode the JSON file: %w", err)
 	}
 
 	return cfg, nil
@@ -92,16 +100,16 @@ func configFilePath() (string, error) {
 	return filepath.Join(configDir, identifier+".json"), nil
 }
 
-func defaultConfig() Config {
-	return Config{
-		Directories: ConfigDirectories{
+func defaultConfig() config {
+	return config{
+		Directories: configDirectories{
 			UseDefaultDirectories: true,
 			IncludeXDGDirectories: true,
 			AdditionalDirectories: []string{},
 		},
-		Git: ConfigGit{
+		Git: configGit{
 			GpgSign: false,
-			User: ConfigGitUser{
+			User: configGitUser{
 				Email:      "",
 				Name:       "",
 				SigningKey: "",

magefiles/neovim.go

@@ -0,0 +1,68 @@
+//go:build mage
+
+package main
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+)
+
+// Neovim downloads and manages neovim configuration from a remote git repository.
+func Neovim() error {
+	config, err := newConfig()
+	if err != nil {
+		return fmt.Errorf(
+			"unable to load the configuration: %w",
+			err,
+		)
+	}
+
+	if !config.Neovim.Manage {
+		return nil
+	}
+
+	homeConfigDirectory, err := os.UserConfigDir()
+	if err != nil {
+		return fmt.Errorf(
+			"unable to get the user's home configuration directory: %w",
+			err,
+		)
+	}
+
+	var (
+		neovimManagedDir = filepath.Join(rootManagedDir, "nvim")
+		versionLabelFile = filepath.Join(neovimManagedDir, ".managed.version")
+		neovimConfigDir  = filepath.Join(homeConfigDirectory, "nvim")
+	)
+
+	tempLocalRepo, err := cloneNvimConfigRepo(config.Neovim., config.Neovim.)
+
+	defer func() {
+		if err := os.Remove(tempLocalRepo); err != nil {
+			return fmt.Errorf(
+				"received an error while trying to remove %s: %w",
+				err,
+			)
+		}
+	}()
+
+	// TODO: copy the files from temp folder to managed folder
+
+	// TODO: add commit/tag ref to .managed.version
+
+	// TODO: symlink all inside managed neovim folder
+
+	return nil
+}
+
+func cloneNvimConfigRepo(repoURL, repoRef string) (string, error) {
+	tempDir, err := os.MkdirTemp("/tmp", "neovim-config-")
+	if err != nil {
+		return "", fmt.Errorf("unable to create the temporary directory: %w", err)
+	}
+
+	// TODO: clone the repo to the tempDir and return tempDir
+
+	return tempDir, nil
+}