feat(vcs): extracts VCS cmds out. Exposes git command for running arbitrary git command.

2025-12-23 08:28:40 +00:00 · 2025-12-23 08:28:40 +00:00 · 5a1c556593
commit 5a1c556593
parent ada4c6846d
4 changed files with 309 additions and 196 deletions
--- a/cmd/init.go
+++ b/cmd/init.go
@ -0,0 +1,120 @@
+/*
+Copyright © 2025 Lewis Wynne <lew@ily.rs>
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+package cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+	"strings"
+
+	"github.com/spf13/cobra"
+)
+
+var initCmd = &cobra.Command{
+	Use:          "init [remote-url]",
+	Short:        "Initialise (or fetch) Git-backed version control.",
+	SilenceUsage: true,
+	Args:         cobra.MaximumNArgs(1),
+	RunE:         vcsInit,
+}
+
+func init() {
+	initCmd.Flags().Bool("clean", false, "Remove existing VCS directory before initialising")
+	rootCmd.AddCommand(initCmd)
+}
+
+func vcsInit(cmd *cobra.Command, args []string) error {
+	repoDir, err := vcsRepoRoot()
+	if err != nil {
+		return err
+	}
+	store := &Store{}
+
+	clean, err := cmd.Flags().GetBool("clean")
+	if err != nil {
+		return err
+	}
+	if clean {
+		entries, err := os.ReadDir(repoDir)
+		if err == nil && len(entries) > 0 {
+			fmt.Printf("remove existing VCS directory '%s'? (y/n)\n", repoDir)
+			var confirm string
+			if _, err := fmt.Scanln(&confirm); err != nil {
+				return fmt.Errorf("cannot clean vcs dir: %w", err)
+			}
+			if strings.ToLower(confirm) != "y" {
+				return fmt.Errorf("aborted cleaning vcs dir")
+			}
+		}
+		if err := os.RemoveAll(repoDir); err != nil {
+			return fmt.Errorf("cannot clean vcs dir: %w", err)
+		}
+
+		dbs, err := store.AllStores()
+		if err == nil && len(dbs) > 0 {
+			fmt.Printf("remove all existing stores? (y/n)\n")
+			var confirm string
+			if _, err := fmt.Scanln(&confirm); err != nil {
+				return fmt.Errorf("cannot clean stores: %w", err)
+			}
+			if strings.ToLower(confirm) != "y" {
+				return fmt.Errorf("aborted cleaning stores")
+			}
+			if err := wipeAllStores(store); err != nil {
+				return fmt.Errorf("cannot clean stores: %w", err)
+			}
+		}
+	}
+	if err := os.MkdirAll(filepath.Join(repoDir), 0o750); err != nil {
+		return err
+	}
+
+	gitDir := filepath.Join(repoDir, ".git")
+	if _, err := os.Stat(gitDir); os.IsNotExist(err) {
+		if len(args) == 1 {
+			remote := args[0]
+			fmt.Printf("running: git clone %s %s\n", remote, repoDir)
+			if err := runGit("", "clone", remote, repoDir); err != nil {
+				return err
+			}
+		} else {
+			fmt.Printf("running: git init\n")
+			if err := runGit(repoDir, "init"); err != nil {
+				return err
+			}
+		}
+	} else {
+		fmt.Println("vcs already initialised; use --clean to reinitialise")
+		return nil
+	}
+
+	if err := writeGitignore(repoDir); err != nil {
+		return err
+	}
+
+	if len(args) == 0 {
+		return nil
+	}
+	return restoreAllSnapshots(store, repoDir)
+}