mirror of
https://github.com/fish-shell/fish-shell.git
synced 2024-11-23 15:50:27 +08:00
79 lines
2.2 KiB
Fish
79 lines
2.2 KiB
Fish
function funced --description 'Edit function definition'
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set -l external
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if test (count $argv) = 2
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for i in (seq 2)
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switch $argv[$i]
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case -e --editor
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if set -q EDITOR
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set external $EDITOR
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end
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if not type -f "$external" >/dev/null
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for e in edit emacs vim joe mcedit nano pico vi
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if type -f $e >/dev/null
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set external $e
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break
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end
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end
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end
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set -e argv[$i]
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break
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end
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end
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end
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if test (count $argv) = 1
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switch $argv
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case '-h' '--h' '--he' '--hel' '--help'
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__fish_print_help funced
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return 0
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case '-*'
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printf (_ "%s: Unknown option %s\n") funced $argv
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return 1
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case '*'
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set -l init ''
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set -l tmp
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if set -q external[1]
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set -l tmpname (mktemp --suffix=.fish)
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if functions -q $argv
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functions $argv > $tmpname
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else
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echo "function $argv
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end
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" > $tmpname
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end
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eval $external $tmpname
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. $tmpname
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set -l stat $status
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rm $tmpname >/dev/null
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return $stat
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end
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set -l IFS
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if functions -q $argv
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# Shadow IFS here to avoid array splitting in command substitution
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set init (functions $argv | fish_indent --no-indent)
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else
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set init function $argv\nend
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end
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set -l prompt 'printf "%s%s%s> " (set_color green) '$argv' (set_color normal)'
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# Unshadow IFS since the fish_title breaks otherwise
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set -e IFS
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if read -p $prompt -c "$init" -s cmd
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# Shadow IFS _again_ to avoid array splitting in command substitution
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set -l IFS
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eval (echo -n $cmd | fish_indent)
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end
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return 0
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end
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else
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printf (_ '%s: Expected exactly one argument, got %s.\n\nSynopsis:\n\t%sfunced%s FUNCTION\n') funced (count $argv) (set_color $fish_color_command) (set_color $fish_color_normal)
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end
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end
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