fatal: pack has junk at the end error: Unable to find e420e60034518c8f2b16943a1678344808cfc054 under https://mirrors.tuna.tsinghua.edu.cn/git/homebrew/homebrew-core.git Cannot obtain needed object e420e60034518c8f2b16943a1678344808cfc054 error: fetch failed. Error: Fetching /usr/local/Homebrew/Library/Taps/homebrew/homebrew-core failed!