refactor(odin): ported edit-config command.

cli.odin

@@ -43,6 +43,7 @@ IMPLEMENTED_COMMANDS := []string{
 	"add",
 	"remove",
 	"restore",
+	"edit-config",
 }
 
 parse_args :: proc() -> (cmd: Command, ok: bool) {

cmd_edit_config.odin

@@ -0,0 +1,49 @@
+package main
+
+import "core:fmt"
+import "core:os"
+import "core:path/filepath"
+import "core:strings"
+
+cmd_edit_config :: proc(cmd: ^Command) {
+    editor := os.get_env("EDITOR", context.allocator)
+    if len(editor) == 0 {
+        fmt.println("Error: $EDITOR environment variable is not set")
+        return
+    }
+
+    config_path, join_err := filepath.join([]string{envr_dir(), "config.json"})
+    if join_err != nil {
+        fmt.printf("Error building config path: %v\n", join_err)
+        return
+    }
+
+    _, stat_err := os.stat(config_path, context.allocator)
+    if stat_err != nil {
+        fmt.printf("Config file does not exist at %s. Run 'envr init' first.\n", config_path)
+        return
+    }
+
+    args := []string{editor, config_path}
+    desc := os.Process_Desc{
+        command = args,
+        stdin = os.stdin,
+        stdout = os.stdout,
+        stderr = os.stderr,
+    }
+
+    p, start_err := os.process_start(desc)
+    if start_err != nil {
+        fmt.printf("Error running editor: %v\n", start_err)
+        return
+    }
+
+    state, wait_err := os.process_wait(p)
+    if wait_err != nil {
+        fmt.printf("Error waiting for editor: %v\n", wait_err)
+        return
+    }
+    if state.exit_code != 0 {
+        os.exit(int(state.exit_code))
+    }
+}

main.odin

@@ -29,6 +29,8 @@ main :: proc() {
 		cmd_remove(&cmd)
 	case "restore":
 		cmd_restore(&cmd)
+	case "edit-config":
+		cmd_edit_config(&cmd)
 	case:
 		fmt.printf("Unknown command: %s\n", cmd.name)
 		print_usage()

stubs.odin

@@ -17,7 +17,3 @@ cmd_sync :: proc(cmd: ^Command) {
 cmd_check :: proc(cmd: ^Command) {
 	fmt.println("TODO: check")
 }
-
-cmd_edit_config :: proc(cmd: ^Command) {
-	fmt.println("TODO: edit-config")
-}