Common git commands for the noob (me).

CommonNoobGitCommands

# commit
git add filenametocommit.cs
git commit -m 'Commit comment'

# add remote url
git remote add origin git://url.here

# change remote url
git remote set-url origin git://new.url.here

#undo unstaged specific file
git checkout path/to/file/to/revert

#undo all unstaged files
git checkout -- .

#undo staged files before commit
git reset filenametocommit.cs

git add . # add to index only files created or modified and not those deleted 
git add -u # add to index only files modified or deleted and not those created 
git add -A # do both operation at once, add to index all files

#remove files from repo but not file system
git rm --cached mylogfile.log

#rename a branch
git branch -m old_branch new_branch

#delete a branch
git branch -d the_local_branch

# shows one commit per line, and decorates with branch names (here's a good resource http://think-like-a-git.net/sections/graphs-and-git/visualizing-your-git-repository.html)
git log --graph --decorate --oneline

# Merge specific files (not commits) from one branch to another see http://jasonrudolph.com/blog/2009/02/25/git-tip-how-to-merge-specific-files-from-another-branch/
git branch target_branch
git checkout source_branch app/models/avatar.rb db/migrate/20090223104419_create_avatars.rb test/unit/models/avatar_test.rb test/functional/models/avatar_test.rb
$ git commit -m "'Merge' avatar code from 'target_branch' source_branch"