New feature: read vault_pass_file from ansible.cfg

.gitignore

@@ -3,3 +3,4 @@ npm-debug.log
 node_modules
 lib/bin/test*
 NOTES
+ansible.cfg

lib/ansible-vault-utils.js

@@ -5,6 +5,8 @@ import AnsibleVaultView from './ansible-vault-view';
 import { CompositeDisposable } from 'atom';
 import { File } from 'atom';
 import fs from 'fs';
+import ini from 'ini';
+
 
 export default class AnsibleVaultUtils {
 
@@ -70,6 +72,7 @@ export default class AnsibleVaultUtils {
       execChild(cmd, (error, stdout, stderr) => {
           if (error) {
               exitCode = 1;
+              output = stderr;
           } else {
               exitCode = 0;
               output = vault_filepath + ": OK"
@@ -88,7 +91,23 @@ export default class AnsibleVaultUtils {
       let unlinkF = false;
 
       if (atom.config.get("ansible-vault.vault_password_file_flag")) {
-        password_file = atom.config.get("ansible-vault.vault_password_file_path")
+          if (atom.config.get("ansible-vault.vault_password_file_forcing")) {
+              password_file = atom.config.get("ansible-vault.vault_password_file_path");
+          } else {
+              project_path = atom.project.relativizePath(vault_filepath)[0]
+              const listFiles = require('fs-plus').listSync;
+              ansible_cfg_file = listFiles(project_path, ['cfg']).map(function(el) { if (el.includes('ansible.cfg')) return el ; } );
+              if (ansible_cfg_file.length <= 0) {
+                  password_file = atom.config.get("ansible-vault.vault_password_file_path");
+              } else {
+                  let ansible_cfg = ini.parse(fs.readFileSync(ansible_cfg_file[0],'utf-8'));
+                  if(ansible_cfg.defaults.vault_password_file) {
+                      password_file = ansible_cfg.defaults.vault_password_file;
+                  } else {
+                      password_file = atom.config.get("ansible-vault.vault_password_file_path");
+                  }
+              }
+          }
       }
 
       if (password_file == "") {

lib/config-schema.coffee

@@ -4,7 +4,11 @@ module.exports =
       type: 'string'
       default: '/usr/local/bin/ansible-vault'
     vault_password_file_flag:
-      title: 'Use a global vault password file'
+      title: 'Use vault password file defined in ansible.cfg project'
+      type: 'boolean'
+      default: false
+    vault_password_file_forcing:
+      title: 'Force specific vault password file'
       type: 'boolean'
       default: false
     vault_password_file_path: