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dotfiles/common/fish/prompt.fish

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Fish
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set MAX_PATH_PIECE_CHARS 3
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function get_hostname
has_command hostname && hostname || cat /etc/hostname
end
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function fish_greeting
set_color -b black brblack
printf "%s@%s %s\n" $USER (get_hostname) (date)
end
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function preprocess_pwd
test (pwd) = / && echo "/" && return 1
test (pwd) = $NICE_HOME && echo "~" && return 0
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pwd | cut -c2- | \
awk '{n=split($0,p,"/");for(i=1;i<=n;i++){if(i==n){printf "/%s",p[i]}else{printf "/%.'$MAX_PATH_PIECE_CHARS[1]'s",p[i]}}}'
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end
function fish_prompt
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set last_cmd_status $status
if test (id -u) -eq 0
if test $last_cmd_status -eq 0
set_color -b blue black
else
set_color -b red black
end
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printf " SUDO $USER@$hostname "
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else
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if test $last_cmd_status -eq 0
set_color blue
else
set_color red
end
printf %s@%s $USER (echo $hostname | cut -d '.' -f1)
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end
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set_color normal
printf " "
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set_color magenta
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printf (preprocess_pwd)""
set_color normal
printf " "
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end
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function fish_mode_prompt; end
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# function fish_right_prompt
# set_color brblack
# switch $fish_bind_mode
# case default
# echo 'N'
# case insert
# echo 'I'
# case replace_one
# echo 'R'
# case replace
# echo 'R'
# case visual
# echo 'V'
# end
# end