const exec = require("child_process").exec; const ncp = require("copy-paste"); function diff() { exec("git diff", (err, gitDiff) => { if (err) { console.error(err) } else { ncp.copy("\`\`\`diff\n" + gitDiff + "\`\`\`", () => { console.log("copied diff to clipboard"); }); } }); } diff();