[ACCEPTED]-brew update failure while executing git checkout-homebrew
Fixed with the following commands:
$ cd `brew --prefix` $ git remote add origin https://github.com/Homebrew/homebrew.git $ git fetch origin $ git reset --hard origin/master $ brew update Already up-to-date.
when i try it, sudo is needed:
$ git reset --hard origin/master error: unable to unlink old 'Library/Homebrew/macos/xcode.rb' (Permission denied) fatal: Could not reset index file to revision 'origin/master'. $ sudo !! sudo git reset --hard origin/master Password: HEAD is now at 97302bf xrootd 3.2.2
In my case, I had just upgraded to OS X 5 El Capitan and none of the other solutions 4 worked.
I took note of the packages in /usr/local/Cellar 3 and then deleted the Cellar folder and started 2 with a fresh install.
rm -rf /usr/local/Cellar ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install )"
Then I brew installed 1 the packages again.
I had a similar problem where from /usr/local 7 (== $(brew --prefix)) I tried the answer 6 by @ Julien Carsique but still got the error:
[local]master$ git checkout 3115d85 hdf5.rb error: pathspec '3115d85' did not match any file(s) known to git. error: pathspec 'hdf5.rb' did not match any file(s) known to git.
This 5 was because I the hdf5 routine was in /usr/local/Library/tab/homebrew-science 4 which has it's own git repository. To fix 3 this I entered:
[local]master$ cd Library/Taps/homebrew/homebrew-science/ [homebrew-science]master$ git checkout 3115d85 hdf5.rb
Now I can install a previous 2 version of the desired library (e.g. hdf5)
Hope 1 this helps someone!
What solved Homebrew git errors for me was 4 simply to
cd ~ and run
brew update in my home directory. The 3 command failed when I was in a folder shared 2 on GitHub. Also,
clang magically appeared again 1 from
brew config after
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