coc-settings.json

{
    "coc.preferences.formatOnSaveFiletypes": ["rust"],

    "rust-analyzer.server.path": "/usr/bin/rust-analyzer",
    "rust-analyzer.checkOnSave.command": "clippy",
    "rust-analyzer.cargo.loadOutDirsFromCheck": true,
    "rust-analyzer.procMacro.enable": true,

    "python.linting.flake8Enabled": true,
    "python.linting.flake8Path": "/usr/bin/flake8",
    "python.formatting.provider":"black",
    "python.formatting.blackPath": "/usr/bin/black",
    "python.formatting.blackArgs": ["--experimental-string-processing"],

    "git.enableGutters": true,

    "latex.build.onSave": false,
    "latex.build.args": ["-pdf", "-interaction=nonstopmode", "-synctex=1", "-pvc"],
    "latex.forwardSearch.executable": "zathura",
    "latex.forwardSearch.args": ["--synctex-forward", "%l:1:%f", "%p"],

    "languageserver": {
        "ccls": {
            "command": "ccls",
            "filetypes": ["c", "cpp", "objc", "objcpp"],
            "rootPatterns": [".ccls", "compile_commands.json", ".git/"],
            "initializationOptions": {
                "cache": {
                    "directory": "/tmp/ccls"
                }
            }
        }
    }
}