https://github.com/github/gitignore

https://sethrobertson.github.io/GitFixUm/fixup.html

git fetch
git reset origin/master --hard

git reset HEAD~ 

git config --global alias.tree "log --oneline --decorate --all --graph"

snippet.bash

#!/bin/bash
 
GIT_DIR=/tmp/example/.git
WORK_DIR=/tmp/example/
 
BRANCHES=('feature1', 'feature2')
 
set -x
 
for i in "${BRANCHES[@]}"
do
    git --git-dir=${GIT_DIR} --work-tree=${WORK_DIR} checkout ${i}
    git --git-dir=${GIT_DIR} --work-tree=${WORK_DIR} rebase master
    git --git-dir=${GIT_DIR} --work-tree=${WORK_DIR} push -f
 
done
 
git --git-dir=${GIT_DIR} --work-tree=${WORK_DIR} checkout master

git update-index --assume-unchanged file

To undo and start tracking again:

git update-index --no-assume-unchanged [<file> ...]

git filter-branch --prune-empty --subdirectory-filter FOLDER-NAME  BRANCH-NAME 

git diff --cached

git revert -n $bad_commit    # Revert the commit, but don't commit the changes
git reset HEAD .             # Unstage the changes
git add --patch .            # Add whatever changes you want
git commit                   # Commit those changes