wwadmin@swoop:/opt/webwork/libraries/webwork-open-problem-library$ git log -1 --pretty=format:%at
1629407085
wwadmin@swoop:/opt/webwork/libraries/webwork-open-problem-library$ ls -l /opt/webwork/webwork2/htdocs/DATA
total 1208
-rw-rw-r-- 1 wwadmin wwadmin 155276 Dec 30 2020 library-directory-tree.json
-rw-rw-r-- 1 wwadmin wwadmin 169639 Dec 30 2020 library-subject-tree.json
-rwxrwxr-x 1 wwadmin wwadmin 70 Jun 23 2015 README
-rw-rw-r-- 1 wwadmin wwadmin 58121 Jul 24 2021 tagging-taxonomy.json
-rw-rw-r-- 1 wwadmin wwadmin 843770 Dec 30 2020 textbook-tree.json
From https://github.com/openwebwork/webwork2
9bdbc1c5b..2d69c283e develop -> origin/develop
From https://github.com/openwebwork/pg
8addfac0..7d3bad2e develop -> origin/develop