git bash prompt

.git_theme.sh

#  Customize BASH PS1 prompt to show current GIT repository and branch.
#  by Mike Stewart - http://MediaDoneRight.com

#  SETUP CONSTANTS
#  Bunch-o-predefined colors.  Makes reading code easier than escape sequences.
#  I don't remember where I found this.  o_O

function main() {
# Reset
local Color_Off="\[\033[0m\]"       # Text Reset

# Regular Colors
local Black="\[\033[0;30m\]"        # Black
local Red="\[\033[0;31m\]"          # Red
local Green="\[\033[0;32m\]"        # Green
local Yellow="\[\033[0;33m\]"       # Yellow
local Blue="\[\033[0;34m\]"         # Blue
local Purple="\[\033[0;35m\]"       # Purple
local Cyan="\[\033[0;36m\]"         # Cyan
local White="\[\033[0;37m\]"        # White

# Bold
local BBlack="\[\033[1;30m\]"       # Black
local BRed="\[\033[1;31m\]"         # Red
local BGreen="\[\033[1;32m\]"       # Green
local BYellow="\[\033[1;33m\]"      # Yellow
local BBlue="\[\033[1;34m\]"        # Blue
local BPurple="\[\033[1;35m\]"      # Purple
local BCyan="\[\033[1;36m\]"        # Cyan
local BWhite="\[\033[1;37m\]"       # White

# Underline
local UBlack="\[\033[4;30m\]"       # Black
local URed="\[\033[4;31m\]"         # Red
local UGreen="\[\033[4;32m\]"       # Green
local UYellow="\[\033[4;33m\]"      # Yellow
local UBlue="\[\033[4;34m\]"        # Blue
local UPurple="\[\033[4;35m\]"      # Purple
local UCyan="\[\033[4;36m\]"        # Cyan
local UWhite="\[\033[4;37m\]"       # White

# Background
local On_Black="\[\033[40m\]"       # Black
local On_Red="\[\033[41m\]"         # Red
local On_Green="\[\033[42m\]"       # Green
local On_Yellow="\[\033[43m\]"      # Yellow
local On_Blue="\[\033[44m\]"        # Blue
local On_Purple="\[\033[45m\]"      # Purple
local On_Cyan="\[\033[46m\]"        # Cyan
local On_White="\[\033[47m\]"       # White

# High Intensty
local IBlack="\[\033[0;90m\]"       # Black
local IRed="\[\033[0;91m\]"         # Red
local IGreen="\[\033[0;92m\]"       # Green
local IYellow="\[\033[0;93m\]"      # Yellow
local IBlue="\[\033[0;94m\]"        # Blue
local IPurple="\[\033[0;95m\]"      # Purple
local ICyan="\[\033[0;96m\]"        # Cyan
local IWhite="\[\033[0;97m\]"       # White

# Bold High Intensty
local BIBlack="\[\033[1;90m\]"      # Black
local BIRed="\[\033[1;91m\]"        # Red
local BIGreen="\[\033[1;92m\]"      # Green
local BIYellow="\[\033[1;93m\]"     # Yellow
local BIBlue="\[\033[1;94m\]"       # Blue
local BIPurple="\[\033[1;95m\]"     # Purple
local BICyan="\[\033[1;96m\]"       # Cyan
local BIWhite="\[\033[1;97m\]"      # White

# High Intensty backgrounds
local On_IBlack="\[\033[0;100m\]"   # Black
local On_IRed="\[\033[0;101m\]"     # Red
local On_IGreen="\[\033[0;102m\]"   # Green
local On_IYellow="\[\033[0;103m\]"  # Yellow
local On_IBlue="\[\033[0;104m\]"    # Blue
local On_IPurple="\[\033[10;95m\]"  # Purple
local On_ICyan="\[\033[0;106m\]"    # Cyan
local On_IWhite="\[\033[0;107m\]"   # White

# Various variables you might want for your PS1 prompt instead
local Time12h="\T"
local Time12a="\@"
local PathShort="\w"
local PathFull="\W"
local NewLine="\n"
local Jobs="\j"


# This PS1 snippet was adopted from code for MAC/BSD I saw from: http://allancraig.net/index.php?option=com_content&view=article&id=108:ps1-export-command-for-git&catid=45:general&Itemid=96
# I tweaked it to work on UBUNTU 11.04 & 11.10 plus made it mo' better

function git_prompt() {
    git symbolic-ref HEAD | cut -d'/' -f3
}

# export PS1="$IBlue[$Color_Off \\u$IBlue@$Color_Off\h$IBlue:$Color_Off"'$(git branch &>/dev/null;\
# if [ $? -eq 0 ]; then \
#   echo "$(echo `git status` | grep "nothing to commit" > /dev/null 2>&1; \
#   if [ "$?" -eq "0" ]; then \
#     # @4 - Clean repository - nothing to commit
#     echo "'$Green'"$(git_prompt "(%s)"); \
#   else \
#     # @5 - Changes to working tree
#     echo "'$IRed'"$(git_prompt "{%s}"); \
#   fi) '$Color_Off'"; \
# fi)'"$PathShort $IBlue]$Color_Off\\\$ "
export PS1="$IBlue[$Color_Off \\u$IBlue@$Color_Off\h$IBlue:$Color_Off"'$(\
if git branch &>/dev/null; then \
  echo "$(echo `git status` | grep "nothing to commit" > /dev/null 2>&1; \
  if git status |& grep -q "nothing to commit"; then \
    echo "'$Green'"$(git_prompt "(%s)"); \
  else \
    echo "'$IRed'"$(git_prompt "{%s}"); \
  fi)'$Color_Off:$IYellow'${PWD/$(dirname $(git -c alias.a='\''!pwd'\'' a))\//}'$Color_Off'"; \
else \
  echo '\'$PathShort\''; \
fi)'" $IBlue]$Color_Off\\\$ "
}

main