$ git clone -n https://src.fedoraproject.org/rpms/watchman.git /var/lib/mock/f38-build-719081-96787/root/chroot_tmpdir/scmroot/watchman
Cloning into '/var/lib/mock/f38-build-719081-96787/root/chroot_tmpdir/scmroot/watchman'...
$ git fetch origin 14a2f321d57fb5a9a4052d65d85ed9a5c54b77e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/watchman
 * [new ref]         14a2f321d57fb5a9a4052d65d85ed9a5c54b77e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 14a2f32 Rebuild for folly-2023.04.24.00