Merge pull request #33 from samarpanda/git-subtree

Git subtree usage!

Author: hemanth

README.md

@@ -56,6 +56,9 @@
 * [Purnes branches that have been deleted in the remote.](https://github.com/git-tips/tips#purnes-branches-that-have-been-deleted-in-the-remote)
 * [Retrieve the commit hash of the initial revision.](https://github.com/git-tips/tips#retrieve-the-commit-hash-of-the-initial-revision)
 * [Visualize the version tree.](https://github.com/git-tips/tips#visualize-the-version-tree)
+* [Deploying git tracked subfolder to gh-pages](https://github.com/git-tips/tips#deploying-git-tracked-subfolder-to-gh-pages)
+* [Adding a project to repo using subtree](https://github.com/git-tips/tips#adding-a-project-to-repo-using-subtree)
+* [Get latest changes in your repo for a linked project using subtree](https://github.com/git-tips/tips#get-latest-changes-in-your-repo-for-a-linked-project-using-subtree)
 
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end toc -->
@@ -401,5 +404,20 @@ __Alternatives:__
 gitk --all
 ```
 
+## Deploying git tracked subfolder to gh-pages
+```sh
+git subtree push --prefix subfolder_name origin gh-pages
+```
+
+## Adding a project to repo using subtree
+```sh
+git subtree add --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master
+```
+
+## Get latest changes in your repo for a linked project using subtree
+```sh
+git subtree pull --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master
+```
+
 <!-- Don’t remove or change the comment below – that can break automatic updates. More info at <http://npm.im/doxie.inject>. -->
 <!-- @doxie.inject end -->

tips.json

@@ -222,5 +222,18 @@
     "title": "Visualize the version tree.",
     "tip": "git log --pretty=oneline --graph --decorate --all",
     "alternatives":["gitk --all"]
+  },
+  {
+    "title": "Deploying git tracked subfolder to gh-pages",
+    "tip": "git subtree push --prefix subfolder_name origin gh-pages",
+    "alternatives": "git subtree push --prefix subfolder_name origin branch_name"
+  },
+  {
+    "title": "Adding a project to repo using subtree",
+    "tip": "git subtree add --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master"
+  },
+  {
+    "title": "Get latest changes in your repo for a linked project using subtree",
+    "tip": "git subtree pull --prefix=<directory_name>/<project_name> --squash git@github.com:<username>/<project_name>.git master"
   }
 ]