# tagging
git tag                           # list available tags
git tag -l v1.4.2.*               # search for specific tags
git tag -a v1.4 -m 'version 1.4'  # create an annotated tag
git tag -a v1.2 9fceb02           # tag a specific commit (if you forgot)
git show v1.4                     # show the tag data of a specific tag
git tag v1.4                      # create a lightweight tag
git push --tag                    # you have to explicitly push tags to remotes

# show tags with creation dates
git log --date-order --graph --tags --simplify-by-decoration --pretty=format:'%ai %h %d'

# show remotes
git remote -v

git diff --word-diff
git push -u origin master         # sets ups tracking so that you can 'git push' without extra args
git show :/^Merge                 # show the last commit whose message matches a regex

git reset --hard HEAD             # reset to latest of current branch
git reset --hard 0c6de32          # reset to specific commit
git clean -f                      # remove untracked files

# create a new repo from a directory in an old repo, preserving history
1. git clone <old repo>
2. cd <old repo>
3. git remote rm origin
4. git filter-branch --subdirectory-filter <new repo> -- --all
5. cd <new repo>
6. curl -u '<username>' https://api.github.com/user/repos -d '{"name":"<new repo>"}'
7. git remote add origin <new repo>
8. git push origin master