Remove SSH set up related code

Remove the code added in order to set up the SSH connection,
and instead, use travis-scripts' helper function `set-up-ssh`.

- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -

Ref: https://github.com/alrra/travis-scripts/issues/19

.travis.yml

@@ -1,9 +1,19 @@
 # For more information about the configurations used
 # in this file, please see the Travis CI documentation:
-# http://docs.travis-ci.com
+# https://docs.travis-ci.com
 
 after_success:
-  - ./scripts/travis/auto_update_dist.sh
+  - |
+
+      # Automatically update the content from the `dist/` directory
+
+      $(npm bin)/travis-after-all \
+        && $(npm bin)/set-up-ssh -k "$encrypted_7289798db853_key" \
+                                 -iv "$encrypted_7289798db853_iv" \
+                                 --path-encrypted-key ".travis/github_deploy_key.enc" \
+        && $(npm bin)/commit-changes --branch "master" \
+                                     --commands "npm run build" \
+                                     --commit-message "Update content from the \`dist\` directory [skip ci]"
 
 env:
   global:

package.json

@@ -5,7 +5,7 @@
     ]
   },
   "devDependencies": {
-    "@alrra/travis-scripts": "^2.0.0",
+    "@alrra/travis-scripts": "^2.1.0",
     "apache-server-configs": "2.14.0",
     "archiver": "^0.21.0",
     "babel-core": "^6.7.2",

scripts/travis/auto_update_dist.sh

@@ -1,30 +0,0 @@
-#!/bin/bash
-
-declare -r PRIVATE_KEY_FILE_NAME='github_deploy_key'
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-# Decrypt the file containing the private key
-
-openssl aes-256-cbc \
-    -K  $encrypted_7289798db853_key \
-    -iv $encrypted_7289798db853_iv \
-    -in "$(dirname "$BASH_SOURCE")/${PRIVATE_KEY_FILE_NAME}.enc" \
-    -out ~/.ssh/$PRIVATE_KEY_FILE_NAME -d
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-# Enable SSH authentication
-
-chmod 600 ~/.ssh/$PRIVATE_KEY_FILE_NAME
-echo "Host github.com" >> ~/.ssh/config
-echo "  IdentityFile ~/.ssh/$PRIVATE_KEY_FILE_NAME" >> ~/.ssh/config
-
-# - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
-
-# Automatically update the content from the `dist/` directory
-
-$(npm bin)/travis-after-all && \
-    $(npm bin)/commit-changes --branch "master" \
-                              --commands "npm run build" \
-                              --commit-message "Update content from the \`dist\` directory [skip ci]"