Commits on Jul 25, 2022

1. zshrc: smarter smarter cd …

   We have to account for a lot of possibilities (see zshbuiltins(1)): we
   stay on the safe side and only change cd target if we're sure about what
   we do. See examples:
   
   % zsh -d -f             # reset the shell
   % cd
   % touch -- -q
   % cd -q                 # should do nothing; 43090cf version behaves weirdly here, replacing -q with .
   % cd /home
   % cd /home /etc         # should go to /etc (replace home with etc in PWD)
   /etc
   % cd /home /etc         # this will fail [1]
   cd: string not in pwd: /home
   % cd /home
   % cd -q /home /etc      # should go to /etc
   /etc
   % cd -q /home /etc      # this will fail [2]
   cd: string not in pwd: /home
   % cd
   % touch +123456
   % cd +123456            # this will fail [3]; 43090cf version behaves weirdly here, replacing +123456 with .
   
   [1]   I chose to make this one work. If `cd old new` fails, then try to
         `cd old`
   [2,3] I chose to fail too in that case. Handling cd arguments is not what
         I was planning to do when I started working on this patch ;P

   

   moviuro committed Jul 25, 2022
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