Fabian Boehm 6706b15fbc fish_add_path: Automatically enable verbose mode for interactive use ...

fish_add_path can be used either interactively, in the commandline,
or in config.fish. That's its greatest strength, it's a very
DWIM-style command.

One of the compromises that entails, however, is that it can't really
be very loud about what it does. If it skips a path, it can't write a
warning because it might be used in config.fish.

But it *can* if it's used interactively. So we try to detect that case
and enable verbose mode automatically.

That means if you do

```fish
fish_add_path /opt/mytool/bin/mytool
```

it may tell you "Skipping path because it is a file instead of a
directory:".

The check isn't perfect, it goes through status current-command and
isatty, but it should be good for most cases (and be false in config.fish).

2024-06-06 16:47:39 +02:00

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