Commits on May 11, 2022

1. cli: allow alias after global args, and recursive aliases …

   Our support for aliases is very naively implemented; it assumes the
   alias is the first argument in argv. It therefore fails to resolve
   aliases after global arguments such as `--at-op`.
   
   This patch fixes that by modifying the command defintion to have an
   "external subcommand" in the list of available commands. That makes
   `clap` give us the remainder of the arguments when it runs into an
   unknown command. The first in the list will then be an alias or simply
   an unknown command. Thanks to @epage for the suggestion on in
   clap-rs/clap#3672.
   
   With the new structure, it was easy to handle recursive alias
   definitions, so I added support for that too.
   
   Closes #292.

   

   martinvonz committed May 11, 2022
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