Fusion Git

#!/bin/bash

# Merge branch
git checkout main
git merge feature

# Merge options
git merge --no-ff feature   # Preserve merge record
git merge --ff-only feature # Fast-forward only
git merge --squash feature  # Squash into single commit

# Resolve conflicts
git merge feature
# Manually edit file on conflict
# <<<<<<< HEAD
# My changes
# =======
# Their changes
# >>>>>>> feature

# After resolving
git add .
git commit -m "Merge feature, resolve conflicts"

# Abort merge
git merge --abort

# View conflict files
git diff --name-only --diff-filter=U

# Rebase
git checkout feature
git rebase main  # Rebase feature commits onto main

# Interactive rebase
git rebase -i HEAD~3  # Modify last 3 commits
# pick / squash / fixup / reword / drop

# Rebase conflict
git rebase --continue  # After resolving continue
git rebase --skip      # Skip current commit
git rebase --abort     # Abort

# Merge strategy
git merge -X theirs feature  # Choose theirs on conflict
git merge -X ours feature    # Choose ours on conflict

# View merge graph
git log --oneline --graph --all