lerna/dist/chunk-NFRKDJAE.js

Lerna is a fast, modern build system for managing and publishing multiple JavaScript/TypeScript packages from the same repository

import {
  execSync,
  npmlog_default
} from "./chunk-WC2B4V4E.js";

// libs/commands/version/src/lib/is-behind-upstream.ts
function isBehindUpstream(gitRemote, branch, opts) {
  npmlog_default.silly("isBehindUpstream", "");
  updateRemote(opts);
  const remoteBranch = `${gitRemote}/${branch}`;
  const [behind, ahead] = countLeftRight(`${remoteBranch}...${branch}`, opts);
  npmlog_default.silly(
    "isBehindUpstream",
    `${branch} is behind ${remoteBranch} by ${behind} commit(s) and ahead by ${ahead}`
  );
  return Boolean(behind);
}
function updateRemote(opts) {
  execSync("git", ["remote", "update"], opts);
}
function countLeftRight(symmetricDifference, opts) {
  const stdout = execSync(
    "git",
    ["rev-list", "--left-right", "--count", symmetricDifference],
    opts
  );
  return stdout.split("	").map((val) => parseInt(val, 10));
}

export {
  isBehindUpstream
};