Git Shell Environment Tricks

## git Aliases
alias gcl='git clone'
alias ga='git add'
alias gall='git add .'
alias g='git'
alias gs='git status'
alias gss='git status -s'
alias gl='git log --oneline'
alias gup='git fetch && git rebase'
alias gp='git push'
alias gpo='git push origin '
alias gb='git branch'
alias gcount='git shortlog -sn'
alias gdel='git branch -D'
alias gcm='git commit -a -m'
alias gll='git log --graph --pretty=oneline --abbrev-commit'
alias cdiff='git diff --cached'
alias gsdiff='git diff --staged'

function git_info() {

    if [ -n "$(git symbolic-ref HEAD 2> /dev/null)" ]; then
        # print informations
        echo "git repo overview"
        echo "-----------------"
        echo

        # print all remotes and thier details
        for remote in $(git remote show); do
            echo $remote:
            git remote show $remote
            echo
        done

        # print status of working repo
        echo "status:"
        if [ -n "$(git status -s 2> /dev/null)" ]; then
            git status -s
        else
            echo "working directory is clean"
        fi

        # print at least 5 last log entries
        echo
        echo "log:"
        git log -5 --oneline
        echo

    else
        echo "you're currently not in a git repository"

    fi
}

$ git_info
git repo overview
-----------------

origin:
* remote origin
  Fetch URL: git@github.com:revans/bash-it.git
  Push  URL: git@github.com:revans/bash-it.git
  HEAD branch: master
  Remote branch:
    master tracked
  Local branch configured for 'git pull':
    master merges with remote master
  Local ref configured for 'git push':
    master pushes to master (up to date)

status:
working directory is clean

log:
39f8ef9 add defaults autocompletion for OS X
67f642f Merge pull request #102 from jpschewe/master
d0ffb0d Merge remote-tracking branch 'berenm/master'
94a7b78 Revert "Revert new color framework"
87d7d7a Fixed issue #103 caused by "normal" colors not reseting bold/underline/... text attributes.

GIT_THEME_PROMPT_DIRTY='*'

function git_prompt_info() {
  ref=$(git symbolic-ref HEAD 2> /dev/null) || return
  echo -e " (${ref#refs/heads/}$(parse_git_dirty))"
}

function parse_git_dirty {
  if [[ -n $(git status -s 2> /dev/null |grep -v ^# | grep -v "working directory clean" ) ]]; then
      echo -e "$GIT_THEME_PROMPT_DIRTY"
  else
    echo -e "$GIT_THEME_PROMPT_CLEAN"
  fi
}

PS1="\u@\h:\w\[\$(git_prompt_info)\]$ "

noqqe@deathstar:~/Code$ cd octopress
noqqe@deathstar:~/Code/octopress (master)$ touch foobar
noqqe@deathstar:~/Code/octopress (master*)$

function git_remote {
  echo "Running: git remote add origin git@n0q.org:$1"
  git remote add origin git@n0q.org:$1
}

function git_first_push {
  echo "Running: git push origin master:refs/heads/master"
  git push origin master:refs/heads/master
}

function git_stats {
if [ -n "$(git symbolic-ref HEAD 2> /dev/null)" ]; then
    echo "Number of commits per author:"
    git --no-pager shortlog -sn --all
    AUTHORS=$( git shortlog -sn --all | cut -f2 | cut -f1 -d' ')
    LOGOPTS=""
    if [ "$1" == '-w' ]; then
        LOGOPTS="$LOGOPTS -w"
        shift
    fi
    if [ "$1" == '-M' ]; then
        LOGOPTS="$LOGOPTS -M"
        shift
    fi
    if [ "$1" == '-C' ]; then
        LOGOPTS="$LOGOPTS -C --find-copies-harder"
        shift
    fi
    for a in $AUTHORS
    do
        echo '-------------------'
        echo "Statistics for: $a"
        echo -n "Number of files changed: "
        git log $LOGOPTS --all --numstat --format="%n" --author=$a | cut -f3 | sort -iu | wc -l
        echo -n "Number of lines added: "
        git log $LOGOPTS --all --numstat --format="%n" --author=$a | cut -f1 | awk '{s+=$1} END {print s}'
        echo -n "Number of lines deleted: "
        git log $LOGOPTS --all --numstat --format="%n" --author=$a | cut -f2 | awk '{s+=$1} END {print s}'
        echo -n "Number of merges: "
        git log $LOGOPTS --all --merges --author=$a | grep -c '^commit'
    done
else
    echo "you're currently not in a git repository"
fi
}

Number of commits per author:
   149  Mark Szymanski
    64  Robert R Evans
    53  Travis Swicegood
    22  Florian Baumann
    16  Jesus de Mula Cano
    14  John Schulz
    12  Ryan
    10  JFSIII
    10  Ryan Kanno
     9  David DeSandro
-------------------
Statistics for: Mark
Number of files changed: 52
Number of lines added: 1577
Number of lines deleted: 733
Number of merges: 19
-------------------
Statistics for: Robert
Number of files changed: 74
Number of lines added: 5817
Number of lines deleted: 3065
Number of merges: 16
-------------------
Statistics for: Travis
Number of files changed: 106
Number of lines added: 4416
Number of lines deleted: 3919
Number of merges: 19
-------------------
Statistics for: Florian
Number of files changed: 14
Number of lines added: 363
Number of lines deleted: 145
Number of merges: 3
-------------------
[...]

function git_remove_missing_files() {
  git ls-files -d -z | xargs -0 git update-index --remove
}

function local-ignore() {
  echo "$1" >> .git/info/exclude
}