#!/bin/bash -e

#This is a small script that helps pulling and cloning in multiple repositories.

##########################  MUST READ NOTE  ######################################

##### Note 1 #####
#add the following settings into the SSH key config file ~/.ssh/config
#note: remove the # when adding into the config file, and replace the 
#<the_ssh_key_filename> with the public key file name of the key authorized by Marvell

#Host    52.74.198.37 
#        HostName 52.74.198.37 
#        Port 443 
#        PreferredAuthentications publickey 
#        IdentityFile ~/.ssh/<the_ssh_key_filename>
#        User git

##### Note 2 #####
#Usage examples:
##Clone all repos:
##./ugit.sh clone

##Update all repos:
##./ugit.sh pull

##### Note3 ######
#After ugit.sh finished code clone, there is guide on how to prepare and start the build here
# openwrt/docs/marvell/howto/start_and_build.txt

###########################  NOTE END   ##########################################

# For display color
RESET="\033[0m"
RED="\033[0;31m"
BROWN="\033[0;33m"

# The top repo dir path
if [ -z ${OWRT_ROOT+x} ]; then
	if [ -z ${TOP_DIR} ]; then
		TOP_DIR=`pwd`
	fi
else
	TOP_DIR=${OWRT_ROOT};
fi

#The list of repos other than the top repo (openwrt) which contains the script
#Note: REPOPATHS is path + repo name, the path is relative to TOP_DIR
#     The sequence should be exactly same as in mgit.sh.

#repos in openwrt top folder
REPOPATHS="dl"
#Feeds repos
REPOPATHS+=" external/management  external/routing  external/subpack"
#Marvell repos
REPOPATHS+=" marvell/linux marvell/lte-telephony marvell/obm marvell/services marvell/swd marvell/uboot marvell/fota marvell/webui"


###############################################################################
# Actual code, don't touch:

usage()
{
   echo "Usage : $0 <pull|clone|status>"
   cd - &>/dev/null
   exit 1
}

clone_repos()
{
   BASE_URL="git@52.74.198.37"
   echo "Using base URL: '${BASE_URL}'"

   TOPREPO="openwrt"
   if [ ! -d ".git" ]; then
      if [ -d "$TOPREPO" ]; then
         cd ${TOPREPO}
         git pull
      else
         mkdir -p "${TOPREPO}"
         git clone "${BASE_URL}:${TOPREPO}.git" "${TOPREPO}"
         cd ${TOPREPO}
      fi
   else
      #TOPNAME=$(basename $(git remote show -n origin | grep Fetch | cut -d: -f3-))
      TOPNAME=$(basename $(git rev-parse --show-toplevel))
      if [[ "${TOPNAME}" = "${TOPREPO}" ]]; then
         git pull
      else
         if [ -d "$TOPREPO" ]; then
            cd ${TOPREPO}
            git pull
         else
            mkdir -p "${TOPREPO}"
            git clone "${BASE_URL}:${TOPREPO}.git" "${TOPREPO}"
            cd ${TOPREPO}
         fi
      fi
   fi

   for REPOPATH in $REPOPATHS ; do
      REPO=$(basename "${REPOPATH}")
      if [ ! -d "$REPOPATH" ]; then
		mkdir -p "${REPOPATH}"
		git clone "${BASE_URL}:${REPO}_ow.git" "${REPOPATH}"
      else
         echo "Updating existing repo: ${REPOPATH}"
         pushd ${REPOPATH} &>/dev/null
         git pull
         popd &>/dev/null
      fi
   done
}

run_command_in_dirs()
{
   CMD=$1

#the top repo
   echo -e "Processing command in $RED"openwrt"$RESET"
   eval $CMD
   echo -e "\r\n"

   for REPOPATH in $REPOPATHS ; do
      REPO=$(basename "${REPOPATH}")
      if [ -d "$REPOPATH" ]; then
         echo -e "Processing command in $RED${REPOPATH}$RESET"
         pushd ${REPOPATH} &>/dev/null
         eval $CMD
         popd &>/dev/null
         echo  -e "\r\n"
      else
         echo -e "Skipping non-existent dir: $RED${REPOPATH}$RESET\r\n"
      fi
   done
}

cd ${TOP_DIR}
if [ $# -lt 1 ]; then
   usage
fi

case "$1" in
   clone)
      clone_repos
      ;;
   pull)
      run_command_in_dirs "git pull"
      ;;
   status)
      run_command_in_dirs "git status"
      ;;
   *)
      usage
      ;;
esac
cd - &>/dev/null