Restore package backups created with
tlmgr backup. The default backup directory is specified by thebackupdiroption, and can be obtained withtlmgr option. More information: https://www.tug.org/texlive/tlmgr.html.
tlmgr restore
tlmgr restore package
tlmgr restore package revision
tlmgr restore --all
tlmgr restore package revision --backupdir path/to/backup_directory
tlmgr restore --dry-run package revision