dgrebb.zsh-theme

### Git Time

# Add this to your .oh-my-zsh theme if you're using those, or directly to your zsh theme :)

# Colors vary depending on time lapsed.
ZSH_THEME_GIT_TIME_SINCE_COMMIT_SHORT="%{$fg[green]%}"
ZSH_THEME_GIT_TIME_SHORT_COMMIT_MEDIUM="%{$fg[yellow]%}"
ZSH_THEME_GIT_TIME_SINCE_COMMIT_LONG="%{$fg[red]%}"
ZSH_THEME_GIT_TIME_SINCE_COMMIT_NEUTRAL="%{$fg[cyan]%}"

#Customized git status, oh-my-zsh currently does not allow render dirty status before branch
git_custom_status() {
  local cb=$(current_branch)
  if [ -n "$cb" ]; then
    echo "$(parse_git_dirty)$ZSH_THEME_GIT_PROMPT_PREFIX$(current_branch)$ZSH_THEME_GIT_PROMPT_SUFFIX"
  fi
}

# Determine the time since last commit. If branch is clean,
# use a neutral color, otherwise colors will vary according to time.
function git_time_since_commit() {
    if git rev-parse --git-dir > /dev/null 2>&1; then
        # Only proceed if there is actually a commit.
        if [[ $(git log 2>&1 > /dev/null | grep -c "^fatal: bad default revision") == 0 ]]; then
            # Get the last commit.
            last_commit=`git log --pretty=format:'%at' -1 2> /dev/null`
            now=`date +%s`
            seconds_since_last_commit=$((now-last_commit))

            # Totals
            MINUTES=$((seconds_since_last_commit / 60))
            HOURS=$((seconds_since_last_commit/3600))

            # Sub-hours and sub-minutes
            DAYS=$((seconds_since_last_commit / 86400))
            SUB_HOURS=$((HOURS % 24))
            SUB_MINUTES=$((MINUTES % 60))

            if [[ -n $(git status -s 2> /dev/null) ]]; then
                if [ "$MINUTES" -gt 30 ]; then
                    COLOR="$ZSH_THEME_GIT_TIME_SINCE_COMMIT_LONG"
                elif [ "$MINUTES" -gt 10 ]; then
                    COLOR="$ZSH_THEME_GIT_TIME_SHORT_COMMIT_MEDIUM"
                else
                    COLOR="$ZSH_THEME_GIT_TIME_SINCE_COMMIT_SHORT"
                fi
            else
                COLOR="$ZSH_THEME_GIT_TIME_SINCE_COMMIT_NEUTRAL"
            fi

            if [ "$HOURS" -gt 24 ]; then
                echo "($COLOR${DAYS}d${SUB_HOURS}h${SUB_MINUTES}m%{$reset_color%})"
            elif [ "$MINUTES" -gt 60 ]; then
                echo "($COLOR${HOURS}h${SUB_MINUTES}m%{$reset_color%})"
            else
                echo "($COLOR${MINUTES}m%{$reset_color%})"
            fi
        fi
    fi
}

# Just add $(git_time_since_commit) to your ZSH PROMPT and you're set

function collapse_pwd {
    echo $(pwd | sed -e "s,^$HOME,~,")
}

function prompt_char {
    git branch >/dev/null 2>/dev/null && echo '±' && return
    hg root >/dev/null 2>/dev/null && echo '☿' && return
    echo '○'
}

function virtualenv_info {
    [ $VIRTUAL_ENV ] && echo '('`basename $VIRTUAL_ENV`') '
}

function hg_prompt_info {
    hg prompt --angle-brackets "\
< on %{$bg[red]%}%{$fg[black]%}<branch>%{$reset_color%}>\
< at %{$fg[yellow]%}<tags|%{$reset_color%}, %{$fg[yellow]%}>%{$reset_color%}>\
%{$fg[green]%}<status|modified|unknown><update>%{$reset_color%}<
patches: <patches|join( → )|pre_applied(%{$fg[yellow]%})|post_applied(%{$reset_color%})|pre_unapplied(%{$fg_bold[black]%})|post_unapplied(%{$reset_color%})>>" 2>/dev/null
}

function python_version() {
    # FIXME python --version # doesn't work since x=`python --version` is not
    # capturing the thing
    if [[ -x "`which python`" && "`ls`" == *.py* ]]; then
        out=`python -c "import sys, itertools; print ''.join([item for item in itertools.takewhile(lambda char: char != ' ', sys.version)])"`
        echo "%{$fg[red]%}‹python-$out›%{$reset_color%}"
    fi
}

PROMPT='
%{$fg[yellow]%} '☁' %{$fg[magenta]%} %n%{$reset_color%} in %{$fg_bold[green]%}$(collapse_pwd)%{$reset_color%}
$(virtualenv_info)$(prompt_char) '

RPROMPT='$(git_time_since_commit) $(git_custom_status)%{$fg[white]%}$(python_version)'

ZSH_THEME_GIT_PROMPT_PREFIX=" on %{$bg[red]%}%{$fg[black]%} "
ZSH_THEME_GIT_PROMPT_SUFFIX=" %{$reset_color%}"
ZSH_THEME_GIT_PROMPT_DIRTY=" %{$fg[white]%}!"
ZSH_THEME_GIT_PROMPT_UNTRACKED="%{$fg[green]%}?"
ZSH_THEME_GIT_PROMPT_CLEAN=""