GIT_DIR=/work/buildroot/bpi-f3-buildroot/buildroot/dl/opensbi/git/.git git init .
hint: Using 'master' as the name for the initial branch. This default branch name
hint: is subject to change. To configure the initial branch name to use in all
hint: of your new repositories, which will suppress this warning, call:
hint:
hint:   git config --global init.defaultBranch <name>
hint:
hint: Names commonly chosen instead of 'master' are 'main', 'trunk' and
hint: 'development'. The just-created branch can be renamed via this command:
hint:
hint:   git branch -m <name>
Initialized empty Git repository in /work/buildroot/bpi-f3-buildroot/buildroot/dl/opensbi/git/.git/
GIT_DIR=/work/buildroot/bpi-f3-buildroot/buildroot/dl/opensbi/git/.git git remote add origin 'ssh://git@github.com/cyyself/opensbi.git'
GIT_DIR=/work/buildroot/bpi-f3-buildroot/buildroot/dl/opensbi/git/.git git remote set-url origin 'ssh://git@github.com/cyyself/opensbi.git'
Fetching all references
GIT_DIR=/work/buildroot/bpi-f3-buildroot/buildroot/dl/opensbi/git/.git git fetch origin
git@github.com: Permission denied (publickey).
fatal: Could not read from remote repository.

Please make sure you have the correct access rights
and the repository exists.
Detected a corrupted git cache.