feat(DEV-2781): Notify Not Running in a Git Repo

cmd/cmd_utils.go

@@ -1,10 +1,13 @@
 package cmd
 
 import (
+	"bytes"
+	"context"
 	"encoding/json"
 	"errors"
 	"fmt"
 	"os"
+	"os/exec"
 	"path/filepath"
 	"strings"
 	"time"
@@ -607,3 +610,51 @@ func getConfigAndStacksInfo(commandName string, cmd *cobra.Command, args []strin
 	}
 	return info
 }
+
+// isGitRepository checks if the current directory is within a git repository
+func isGitRepository() bool {
+	// Create command with timeout context
+	ctx, cancel := context.WithTimeout(context.Background(), 3*time.Second)
+	defer cancel()
+
+	cmd := exec.CommandContext(ctx, "git", "rev-parse", "--is-inside-work-tree")
+
+	// Capture stderr for debugging
+	var stderr bytes.Buffer
+	cmd.Stderr = &stderr
+
+	// Run the command
+	err := cmd.Run()
+
+	// Check for timeout
+	if ctx.Err() == context.DeadlineExceeded {
+		u.LogTrace(atmosConfig, "git check timed out after 3 seconds")
+		return false
+	}
+
+	// Check if git is not installed
+	if errors.Is(err, exec.ErrNotFound) {
+		u.LogTrace(atmosConfig, "git is not installed")
+		return false
+	}
+
+	if err != nil {
+		u.LogTrace(atmosConfig, fmt.Sprintf("git check failed: %v (stderr: %s)", err, stderr.String()))
+		return false
+	}
+
+	return true
+}
+
+// checkGitAndEnvVars checks if we're in a git repo and if required env vars are set
+func checkGitAndEnvVars() {
+	// Skip check if either env var is set
+	if os.Getenv("ATMOS_BASE_PATH") != "" || os.Getenv("ATMOS_CLI_CONFIG_PATH") != "" {
+		return
+	}
+
+	// Check if we're in a git repo
+	if !isGitRepository() {
+		u.LogWarning(atmosConfig, "You're not inside a git repository. Atmos feels lonely outside - bring it home!")
+	}
+}

cmd/root.go

@@ -109,6 +109,10 @@ func Execute() error {
 			u.LogErrorAndExit(schema.AtmosConfiguration{}, initErr)
 		}
 	}
+
+	// Check if we're in a git repo and report a warning if not
+	checkGitAndEnvVars()
+
 	var err error
 	// If CLI configuration was found, process its custom commands and command aliases
 	if initErr == nil {