.bash_profile__git

###########
### GIT ###
###########

# get the current branch name
function __git__branch_name {
    echo $(git symbolic-ref HEAD 2>/dev/null | awk -Frefs\/heads\/ '{print $NF}')
    #echo $(git symbolic-ref HEAD 2>/dev/null | awk -F\/ '{print $NF}')
}

# get the current remote name (http://stackoverflow.com/a/24210877)
function __git__remote_name {
    remote_name=$(git branch -vv --no-color | grep -E '^\*' | awk '{print $4}' | awk -F "[" '{print $2}' | awk -F "/" '{print $1}')
    if [[ $remote_name != "" ]]; then
        echo $remote_name
    else
        echo "origin"
    fi
    #echo $(git symbolic-ref HEAD 2>/dev/null | awk -Frefs\/heads\/ '{print $NF}')
    #echo $(git symbolic-ref HEAD 2>/dev/null | awk -F\/ '{print $NF}')
}

# check & get the formatted branch name
function __git__dirty {
    status=$(git status 2> /dev/null | tail -n 1)
    if [[ $status != "nothing to commit, working tree clean" && $status != "nothing to commit, working directory clean"  ]]; then
        echo $COLOR_MAGENTA$(__git__branch_name)$COLOR_YELLOW
    else
        echo $(__git__branch_name)
    fi
}

# check & get if you have unpulled changes
function __git__unpulled {
    logdiff=$(git log HEAD..$(__git__remote_name)/$(__git__branch_name) --oneline 2> /dev/null) || return
    if [[ $logdiff != "" ]]; then
        echo "("$COLOR_MAGENTA"'git pull $(__git__remote_name) $(__git__branch_name)'"$COLOR_YELLOW" required)"
    fi
}

# check & get if you have unpushed changes
function __git__unpushed {
    logdiff=$(git log $(__git__remote_name)/$(__git__branch_name)..HEAD --oneline 2> /dev/null) || return
    if [[ $logdiff != "" ]]; then
        echo "("$COLOR_MAGENTA"'git push $(__git__remote_name) $(__git__branch_name)'"$COLOR_YELLOW" required)"
    fi
}


# check & get if you need to create a new branch
function __git__new_branch {
    brinfo=$(git branch -r | grep "$(__git__remote_name)/"$(__git__branch_name))
    
    if [[ $brinfo == "" ]]; then
        echo "("$COLOR_RED"new branch"$COLOR_YELLOW" | "$COLOR_MAGENTA"'git push $(__git__remote_name) $(__git__branch_name)'"$COLOR_YELLOW" required)"
    fi
}

# get the status of current branch
function __git__status {
    unpulled=$(__git__unpulled)
    unpushed=$(__git__unpushed)
    newbrach=$(__git__new_branch)
    
    if [[ $newbrach != "" ]]; then
        echo $newbrach
    fi
    
    if [[ $unpulled != "" && $unpushed != "" ]]; then
        echo "("$COLOR_RED"'git push $(__git__remote_name) $(__git__branch_name) --force-with-lease'"$COLOR_YELLOW" required)"
    else
        if [[ $unpulled != "" ]]; then
            echo $unpulled
        fi
        
        if [[ $unpushed != "" ]]; then
            echo $unpushed
        fi
    fi
}

# compose a useful string containing git information
function gitify {
    ref=$(git symbolic-ref HEAD 2> /dev/null) || return
    echo -e "\n[GIT $(__git__remote_name) $(__git__dirty)] $(__git__status)"
}

#####################
### GIT - UTILITY ###
#####################

function git__update_date {
    git commit --amend --date "`date $@ -R`" --no-edit
}