刚入手esp32s，官方集成开发环境使用的是老版本idf，下载了3.0.3版本idf并将idf-path做了修改，尝试make example，出现以下提示。eclipse默认idf还是没改回来，请各位大佬指点迷津。
$ make

fatal: Not a git repository (or any of the parent directories): .git

fatal: Not a git repository (or any of the parent directories): .git

WARNING: Toolchain version is not supported: 1.22.0-61-gab8375a

Expected to see version: 1.22.0-80-g6c4433a

Please check ESP-IDF setup instructions and update the toolchain, or proceed at         your own risk.

fatal: Not a git repository (or any of the parent directories): .git

fatal: Not a git repository (or any of the parent directories): .git

WARNING: Toolchain version is not supported: 1.22.0-61-gab8375a

Expected to see version: 1.22.0-80-g6c4433a

Please check ESP-IDF setup instructions and update the toolchain, or proceed at         your own risk.

fatal: Not a git repository (or any of the parent directories): .git

fatal: Not a git repository (or any of the parent directories): .git

/home/esp-idf-3.0.3/make/project.mk:502: 警告：未定义的变量“which git”

WARNING: Missing submodule components/micro-ecc/micro-ecc...

ERROR: esp-idf must be cloned from git to work.

make[1]: *** [/home/esp-idf-3.0.3/make/project.mk:501：/home/esp-idf-3.0.3/compo        nents/micro-ecc/micro-ecc/.git] 错误 1

make: *** [/home/esp-idf-3.0.3/components/bootloader/Makefile.projbuild:40：/hom        e/esp-idf-3.0.3/examples/bluetooth/ble_spp_server/build/bootloader/bootloader.bi        n] 错误 2

ps：怎么样能测试esp32的spp example好使？手机需要安装什么app？32的可以spp和gatts共存么？