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functions: handle hostname starting with dash

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If a hostname starts with a dash `-` character, the prompt_hostname function
fails because the `string` function interprets it as an option instead
of an argument.

(cherry picked from commit 6c9c033126)
This commit is contained in:
Paul Gier 2024-02-21 15:53:21 -06:00 committed by Fabian Boehm
parent c3aefc581f
commit 2655d9a3fa
1 changed files with 1 additions and 1 deletions
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share/functions/prompt_hostname.fish
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@ -1,3 +1,3 @@
function prompt_hostname --description 'short hostname for the prompt'
string replace -r "\..*" "" $hostname
string replace -r -- "\..*" "" $hostname
end