1. installed_package_parse.sh
parse the packages depends and packages size in a build image using the informance in depends.dot in buildhistory
such as:
build-unisoc-wayland/buildhistory/images/uis8520_1h10_nand/glibc/unisoc-wayland-image/depends.dot

usage:
cp package_parse.sh build-unisoc-wayland/buildhistory/images/uis8520_1h10_nand/glibc/unisoc-wayland-image
cd build-unisoc-wayland/buildhistory/images/uis8520_1h10_nand/glibc/unisoc-wayland-image
./installed_package_parse.ch depends.dot

can specify other dot file, such as depends-nokernel-nolibc.dot etc

Out:
the results are int out dir
packages_depends.csv: contains the info of the packages and their depends
packages-depends-size.csv: contains the info the package size and the size of all its depends packages
top-packages.csv: contains the packages that build into image dirctly by distro feature/machine feature or IMAGE_INSTALL

2. cbuild
after source setup-xxx, use cbuild cmd can change back to build dir

usage:
. cbuild
