To build the docker image: $ ./build.sh

To run libraryupgrader: $ docker run libraryupgrader libup-ng <repo> <output>

To output libraryupgrader help:

$ docker run libraryupgrader libup-ng -h
usage: libup-ng [-h] repo output [--branch BRANCH]

next generation of libraryupgrader

positional arguments:
  repo        Git repository
  output      Path to output results to

optional arguments:
  -h, --help  show this help message and exit
  --branch BRANCH  Git branch

To upgrade mediawiki/core (master branch): $ docker run libraryupgrader libup-ng mediawiki/core /tmp/libup

To upgrade mediawiki/core (REL1_35 branch): $ docker run libraryupgrader libup-ng mediawiki/core /tmp/libup --branch REL1_35