added support for current branch, and some cleanup

src/globals.ts

@@ -1,4 +1,36 @@
+import chalk = require("chalk");
+const os = require("os");
 
 export const defaultMenuSettings = {
   showHelp: false
 };
+
+export type TConfig = {
+  gh_token: string;
+  photowall_repo: string;
+};
+export const getSettings = async (toolbox): Promise<TConfig | null> => {
+  const { filesystem, print } = toolbox;
+  try {
+    return await filesystem.readAsync(`${os.homedir()}/.pwcli_settings`, "json");
+  } catch {
+    print.error(`
+
+    No config found, please run [ ${chalk.cyan('pwcli s se')} ] or setup > settings from the menu.
+    
+    `);
+    return null;
+  }
+};
+
+export const getCurrentBranch = async (path: string, toolbox): Promise<string | null> => {
+  const { system } = toolbox;
+  const config = await getSettings(toolbox);
+  if (config.photowall_repo) {
+    // git rev-parse --abbrev-ref HEAD
+    const branch = await system.run('git rev-parse --abbrev-ref HEAD', {cwd: config.photowall_repo, trim: true});
+    console.log(`branch`, branch);
+    return branch;
+  }
+  return null;
+};