How to Pick a Commit of Git Submodule?

Current State

There is a new submodule ‘test’ and we want to add it to the repo.


Git add submodule

$ cd my_repo
$ git submodule add

Initialize the repo

$ git submodule update --init --recursive

cd to the submodule

$ cd dev-tools

By default, the latest version is picked. We can checkout to a commit for moving a different version.

$ git checkout abdcca6

Written with StackEdit.


How to use Gist with Stackedit for WordPress blog?

How to use Gist with Stackedit for WordPress blog?

  • Create the gist and copy the git number
    An example is
    The gist id is the last string of the address:
  • In the stackedit source (markdown file), add the following code:
    [g i s t]c7d692de9a3b337e9ad8e655533b9856[/g i s t]
    Please type as “gist”
  • WordPress will automatically interpret the command and pull your gist.


Written with StackEdit.

Git Cheat Sheet

  • Describe a change number
    $ git show dc54076

  • Reset the current branch with HEAD of master

    $ git fetch origin
    $ git reset --hard origin/master
  • Keep your branch in sync with origina master branch
    $ git pull origin master

  • Arrange all changes in order. Fixes the log too.
    $ git rebase origin wip_my_work

  • Squash commits in one commit. 2 represents number of commits to review.
    $ git rebase -i HEAD~2

  • Compare two branches
    $ git diff master..my_branch

  • Modify a commit message
    $ git commit --amend

  • Find diff of local file against remote master

    $ git fetch origin master
    $ git diff origin/master -- [local-path]
  • Elaborate comment amend techniques

  • Stash current commits

    $ git stash
    $ git stash list
    $ git stash apply stash@{0}
  • Recover/ revert a file to original/master copy

    # For a committed file
    $ git checkout origin/master filename  
    # For a local, uncommitted file 
    $ git checkout -- filename
  • Delete a local branch

    $ git branch -d branch_name
    $ git branch -D branch_name
  • Squash local commits
    $git reset --soft HEAD~3 && git commit

  • Delete files from staging

    $ git reset file_name
  • Pull master’s changes to your local branch
    $git checkout my_branch
    $git rebase master

  • Push your local branch changes to master branch
    $git checkout my_branch
    $git merge master

  • Alias to add and commit a changed file

    $ git config --global alias.c "!git add -A && git commit -m"


git push error “remote: Invalid username or password. fatal: Authentication failed”

I have 2-factor authentication enabled on my account. The repo is my own and I was unable to push changes to a private branch.

Steps to resolve

1. Check your remote of repo

$ git remote -v
origin (fetch)
origin (push)

Looked carefully, I was trying to push using https.

2. I updated local system’s SSH keys to my github account.

3. Next, I changed the remote to SSH.

# Remove original origin
$ git remote remove origin 

# Added SSH origin
$ git remote add origin

#Pushed changes
$ git push origin fix_shortcuts
Counting objects: 3, done.
Delta compression using up to 4 threads.
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 536 bytes | 536.00 KiB/s, done.
Total 3 (delta 2), reused 0 (delta 0)
remote: Resolving deltas: 100% (2/2), completed with 2 local objects.
remote: Create a pull request for 'fix_shortcuts' on GitHub by visiting:
* [new branch] fix_shortcuts -> fix_shortcuts