share/completions/apropos.fish needs one of its `$' signs (the one
signifying end of line rather than being part of `$str') to be escaped,
to fix the following:
> apropos fis<TAB>fish: The '$' character begins a variable name. The
character '/', which directly followed a '$', is not allowed
as a part of a variable name, and variable names may not be zero characters
long. To learn more about variable
expansion in fish, type 'help expand-
/usr/share/fish/completions/apropos.fish (line 6): apropos
$str|sed -e "s/^\(.*$str\([^ ]*\).*\)$/$str\2"\t"\1/"
^
in function '__fish_complete_apropos',
called on standard input,
in command substitution
called on standard input,
I found this within the first few minutes of playing with fish.
[Admittedly, that's not because I often use `apropos', but because I was
wondering where the command descriptions in tab completion come from,
and I hypothesized that they were from apropos.]
fish is (I suppose) targetted at newbies and other non-computer-experts,
who might be somewhat intimidated by error reports such as the above
(especially with its lines continuing past the width of the window, and
the `^' indicator that doesn't actually point at the `$' causing the
problem).
There are currently 145 files in share/completion, and I suppose these
will continue to be changed and added to (as evidenced by item 2 of
http://roo.no-ip.org/fish/user_doc/index.html#todo-features).
Is there any form of automated testing that can be done for these files,
to reduce the chance of similar bugs in future?
Unfortunately, this particular bug wouldn't have been caught by the red
syntax highlighting (at least not in 1.12.5). Nevertheless, having
`make check' check that all .fish files are free of problems that would be
marked with red syntax highlighting would be an excellent first step in
reducing the likelihood that such bugs reach the user.
pjrm. (Not subscribed to fish-users.)
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