publish__fragment_6.ts

/* checking if branch exists in builds repository */
const isBranchExits = !!spawnSync(
  'git',
  ['ls-remote', '--exit-code', 'origin', buildBranch],
  getSpawnOptions(tempDir, 'pipe')
).stdout.toString().trim();

if (isBranchExits) {
  /* checkout the target branch */
  spawnSync('git', ['fetch', 'origin', buildBranch], getSpawnOptions(tempDir));
  spawnSync('git', ['checkout', buildBranch], getSpawnOptions(tempDir));
} else {
  /* checkout master */
  spawnSync('git', ['fetch', 'origin', 'master'], getSpawnOptions(tempDir));
  spawnSync('git', ['checkout', 'master'], getSpawnOptions(tempDir));
  /* creating branch */
  spawnSync('git', ['checkout', '-b', buildBranch], getSpawnOptions(tempDir));
  /* creating initial commit */
  spawnSync('git', ['commit', '--allow-empty', '-m', '"Initial commit"'], getSpawnOptions(tempDir));
}