92 lines
2.7 KiB
Fish
92 lines
2.7 KiB
Fish
function __fzf_complete -d 'fzf completion and print selection back to commandline'
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# As of 2.6, fish's "complete" function does not understand
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# subcommands. Instead, we use the same hack as __fish_complete_subcommand and
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# extract the subcommand manually.
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set -l cmd (commandline -co) (commandline -ct)
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switch $cmd[1]
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case env sudo
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for i in (seq 2 (count $cmd))
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switch $cmd[$i]
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case '-*'
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case '*=*'
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case '*'
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set cmd $cmd[$i..-1]
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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 -l cmd_lastw $cmd[-1]
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set cmd (string join -- ' ' $cmd)
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set -l initial_query ''
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test -n "$cmd_lastw"; and set initial_query --query="$cmd_lastw"
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set -l complist (complete -C$cmd)
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set -l result
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# do nothing if there is nothing to select from
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test -z "$complist"; and return
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set -l compwc (echo $complist | wc -w)
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if test $compwc -eq 1
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# if there is only one option dont open fzf
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set result "$complist"
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else
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set -l query
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string join -- \n $complist \
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| eval fzf --height=90% (string escape --no-quoted -- $initial_query) --print-query (__fzf_complete_opts) \
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| cut -f1 \
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| while read -l r
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# first line is the user entered query
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if test -z "$query"
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set query $r
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# rest of lines are selected candidates
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else
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set result $result $r
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end
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end
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# exit if user canceled
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if test -z "$query" ;and test -z "$result"
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commandline -f repaint
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return
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end
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# if user accepted but no candidate matches, use the input as result
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if test -z "$result"
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set result $query
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end
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end
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set prefix (string sub -s 1 -l 1 -- (commandline -t))
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for i in (seq (count $result))
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set -l r $result[$i]
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switch $prefix
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case "'"
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commandline -t -- (string escape -- $r)
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case '"'
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if string match '*"*' -- $r >/dev/null
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commandline -t -- (string escape -- $r)
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else
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commandline -t -- '"'$r'"'
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end
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case '~'
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commandline -t -- (string sub -s 2 (string escape -n -- $r))
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case '*'
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commandline -t -- $r
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end
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[ $i -lt (count $result) ]; and commandline -i ' '
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end
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commandline -f repaint
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end
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function __fzf_complete_opts
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if set -q FZF_DEFAULT_OPTS
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echo $FZF_DEFAULT_OPTS
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end
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echo --cycle --reverse --inline-info --no-multi --bind tab:down,btab:up
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end
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