git notes

common_commands.sh

# Initialize repository:
git init

# Get current status:
git status

# Add file myfile.txt:
git add myfile.txt

# Commit with a message:
git commit -m "adds myfile.txt"

# Show log:
git log

# Add remote origin:
git remote add origin https://github.com/path_to_repo.git

# Push the default local branch (master) to the remote (origin) and remember branch and remote used (-u):
git push -u origin master

# Check the changes:
git pull origin master

# Compare the changes:
git diff HEAD

# Unstage file
git reset myfile2.txt

# get rid of the changes since last commit:
git checkout -- octocat.txt

# Create branch:
git branch my_new_branch

# Change branch:
git checkout my_new_branch

# Merge branch:
git checkout master
git merge my_new_branch

# Delete branch:
git branch -d my_new_branch

purge_files.sh

# Purge file from repository history

# filters out all files in .gitignore
git filter-branch --force --index-filter rm --cached --ignore-unmatch `git ls-files -i -X .gitignore` --prune-empty --tag-name-filter cat -- --all

# force pushes to remote
git push origin --force --all

remove_files.sh

# Remove files from repository without deleting them from the filesystem

# single file
git rm --cached mylogfile.log

# directory
git rm -r --cached directoryName

# everything specified in .gitignore
git rm --cached `git ls-files -i -X .gitignore`