fish-shell/share/functions/fish_breakpoint_prompt.fish
ridiculousfish a5fd0b317e Revert "Switch to bare vars in our math invocations"
This reverts commit bd18736ee5.

Bare variables should only be used in commands that must
manipulate the variable stack, such as `set`.
2017-09-09 23:35:47 -07:00

23 lines
958 B
Fish

# Define the default debugging prompt command.
function fish_breakpoint_prompt --description "A right prompt to be used when `breakpoint` is executed"
set -l saved_status $status
set -l function (status -L0 function)
set -l line (status -L0 line-number)
# At the moment we don't include the filename because, even if we truncate it, it makes the
# prompt too long.
#set -l filename (status filename)
#set -l prompt "$filename:$function:$line >"
set -l prompt "$function:$line"
if test $saved_status -ne 0
set prompt "$prompt [!$saved_status]"
end
set prompt "$prompt > "
# Make sure the prompt doesn't consume more than half the terminal width.
set -l max_len (math "$COLUMNS / 2")
if test (string length -- $prompt) -gt $max_len
set prompt ...(string sub -s -(math $max_len - 3) -- $prompt)
end
echo -ns (set_color $fish_color_status) "BP $prompt" (set_color normal) ' '
end