In use brew when，Often you will encounter all kinds of weird errors，Such as updating time often encountered：
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fatal: git-write-tree: error building trees Cannot save the current index state Error: Failure while executing: git stash save --include-untracked --quiet |
and this：
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Error: Failure while executing: git pull --ff --no-rebase --quiet origin refs/heads/master:refs/remotes/origin/master |
Experiencing these problems，Eighty per cent of your brew directory permissions error。
Use the following command to repair：
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cd $(brew --prefix) git reset --hard HEAD brew update |
if not，Install the following command to fix it again：
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cd $(brew --prefix) rm Library/Formula/argp-standalone.rb rm Library/Formula/cocot.rb git fetch origin git reset --hard origin/master brew update |
If that does not reload it ...... ...... deleted all the commands I use and repair is successful。
Reference pageHere。
Original article written by Gerber drop-off：R0uter's Blog » Homebrew update 遇到 Error: Failure while executing
Reproduced Please keep the source and description link：https://www.logcg.com/archives/1333.html
