Split project with multiple composer packages into subtrees

subtree-split.sh

#!/usr/bin/env bash

# Search composer packages in SRC_PATH
# and split them into subtrees
#
# examples:
#     bash subtree-split.sh
#     SRC_PATH=bundles bash subtree-split.sh
#
# see:
#     https://github.com/splitsh/lite

Color_Off='\033[0m'       # Text Reset

Black='\033[0;30m'        # Black
Red='\033[0;31m'          # Red
Green='\033[0;32m'        # Green
Yellow='\033[0;33m'       # Yellow
BYellow='\033[1;33m'      # Yellow Bold
Blue='\033[0;34m'         # Blue
Purple='\033[0;35m'       # Purple
Cyan='\033[0;36m'         # Cyan
White='\033[0;37m'        # White

if [[ "$SRC_PATH" == "" ]]; then
    SRC_PATH=src
fi

function branchify {
    echo $(sed -e 's/\([A-Z]\)/-\l\1/g' -e "s/$SRC_PATH//g" -e 's/[\/]//g' -e 's/^-\([a-z]\)/\1/g' <<< "$1");
}

function run_with_echo {
    echo -e "${Purple}$1${Color_Off}"
    eval "$1"
}

PREFIXES=$(ls $SRC_PATH/*/*/composer.json | sed -e "s/$SRC_PATH\/\([A-Za-z]\+\)\/\([A-Za-z0-9]\+\)\/.\+/$SRC_PATH\/\1\/\2/g");

for PREFIX in $PREFIXES; do
    BRANCH=$(branchify $PREFIX);
    echo -e "\n${Yellow}Splitting ${BYellow}$PREFIX ${Yellow}into branch ${BYellow}$BRANCH${Color_Off}\n"
    echo -e "${Purple}splitsh-lite --prefix=$PREFIX --progress${Color_Off}"
    HASH=$(splitsh-lite --prefix=$PREFIX --progress)
    echo -e "${Cyan}Splitted hash $HASH${Color_Off}"

    run_with_echo "git branch $BRANCH $HASH"
    run_with_echo "git push git@github.com:omlook/$BRANCH.git $BRANCH:master"
    run_with_echo "git br -D $BRANCH"
done