My git aliases

.gitconfig

[alias]
        st = status
        ci = commit -v
        cii = commit -v --interactive
        cia = commit -v -a
        addi = add --interactive
        addchanged = add -u
        br = branch
        co = checkout
        diffwords = diff --word-diff

        rebranch = branch -f

        svnpush = svn dcommit
        svnpull = svn rebase

        pick = cherry-pick -s

        save = stash save
        savepatch = stash save --patch
        savescratch = stash save --keep-index
        pop = stash pop

        praise = blame -w
        archeology = blame -w -C -n
        whodoikill = blame -w -C -n
        logfile = log --follow -C
        plog = !git log --pretty=format:'%C(yellow)%h%Creset %s %Cblue%d%Creset' --graph --all
        who = shortlog -sen --
        grep4d = !sh -c 'git log -p -S'$1' $2' -

        # 2009-05-26  (merged-bed-bug) 6fe85ff regenerate rules Brad Bowman
        logdate = log --format=format:'%ad %d %h %s %an%n' --date=short
        brdate = !"sh -c 'for b in `git branch --no-merged` ; \
                   do git logdate -1 -r $b --; done'" 

        up = !git stash && git pull origin master && git stash apply

        stag = tag -s
        retag = tag -f
        bookmark = tag -a

        unstage = reset HEAD
        redo = reset --soft HEAD^
        clear = reset --hard HEAD
        undo = reset --hard HEAD^

        repull = pull --rebase

        hist = log --all --graph --pretty='[%C(cyan)%h%Creset]%C(bold cyan)%d%Creset %s'

        mergefeature = merge --no-ff

        export = !sh -c 'git checkout-index --prefix=$1 -a' -

-C HEAD is not redundant. --amend alone will bring up your editor to edit the last commit message; -C HEAD will re-use the last commit message without prompting to change

it's great for "oops, I made a typo in the code or forgot to add a file": git add missing.txt && git fx

(fx = fixup)

Mine are at https://github.com/yanick/environment/blob/master/git/gitconfig Although there is nothing original in there -- it's all stolen from better, smarter peoples. (and yes, that means the examples given above will soon be assimilated as well :-) )

whodoikill is hilarious, even more so when archeology is the same thing.