Add fish shell tab completion for mac (#1830)

* Add fish shell tab completion for mac

* Remove macOS ref as brew should work linux as well

README.md

@@ -79,16 +79,19 @@ See `poetry help completions` for full details, but the gist is as simple as usi
 # Bash
 poetry completions bash > /etc/bash_completion.d/poetry.bash-completion
 
-# Bash (macOS/Homebrew)
+# Bash (Homebrew)
 poetry completions bash > $(brew --prefix)/etc/bash_completion.d/poetry.bash-completion
 
 # Fish
 poetry completions fish > ~/.config/fish/completions/poetry.fish
 
+# Fish (Homebrew)
+poetry completions fish > $(brew --prefix)/share/fish/vendor_completions.d/poetry.fish
+
 # Zsh
 poetry completions zsh > ~/.zfunc/_poetry
 
-# Zsh (macOS/Homebrew)
+# Zsh (Homebrew)
 poetry completions zsh > $(brew --prefix)/share/zsh/site-functions/_poetry
 ```
 

docs/docs/index.md

@@ -161,12 +161,15 @@ See `poetry help completions` for full details, but the gist is as simple as usi
 # Bash
 poetry completions bash > /etc/bash_completion.d/poetry.bash-completion
 
-# Bash (macOS/Homebrew)
+# Bash (Homebrew)
 poetry completions bash > $(brew --prefix)/etc/bash_completion.d/poetry.bash-completion
 
 # Fish
 poetry completions fish > ~/.config/fish/completions/poetry.fish
 
+# Fish (Homebrew)
+poetry completions fish > $(brew --prefix)/share/fish/vendor_completions.d/poetry.fish
+
 # Zsh
 poetry completions zsh > ~/.zfunc/_poetry
 

tests/repositories/fixtures/installed/lib/python3.7/site-packages/cleo-0.7.6.dist-info/METADATA

@@ -521,3 +521,5 @@ replacing ``[program]`` with the command you use to run your application:
     # FISH
     [program] completions fish > ~/.config/fish/completions/[program].fish
 
+    # FISH - Mac OSX (with Homebrew "fish")
+    [program] completions fish > $(brew --prefix)/share/fish/vendor_completions.d/[program].fish