chore(fish): big change

.config/fish/functions/__fzf_complete.fish

@@ -0,0 +1,92 @@
+function __fzf_complete -d 'fzf completion and print selection back to commandline'
+    # As of 2.6, fish's "complete" function does not understand
+    # subcommands. Instead, we use the same hack as __fish_complete_subcommand and
+    # extract the subcommand manually.
+    set -l cmd (commandline -co) (commandline -ct)
+
+    switch $cmd[1]
+        case env sudo
+            for i in (seq 2 (count $cmd))
+                switch $cmd[$i]
+                    case '-*'
+                    case '*=*'
+                    case '*'
+                        set cmd $cmd[$i..-1]
+                        break
+                end
+            end
+    end
+
+    set -l cmd_lastw $cmd[-1]
+    set cmd (string join -- ' ' $cmd)
+
+    set -l initial_query ''
+    test -n "$cmd_lastw"; and set initial_query --query="$cmd_lastw"
+
+    set -l complist (complete -C$cmd)
+    set -l result
+
+    # do nothing if there is nothing to select from
+    test -z "$complist"; and return
+
+    set -l compwc (echo $complist | wc -w)
+    if test $compwc -eq 1
+        # if there is only one option dont open fzf
+        set result "$complist"
+    else
+
+        set -l query
+        string join -- \n $complist \
+        | eval fzf --height=90% (string escape --no-quoted -- $initial_query) --print-query (__fzf_complete_opts) \
+        | cut -f1 \
+        | while read -l r
+            # first line is the user entered query
+            if test -z "$query"
+                set query $r
+            # rest of lines are selected candidates
+            else
+                set result $result $r
+            end
+          end
+
+        # exit if user canceled
+        if test -z "$query" ;and test -z "$result"
+            commandline -f repaint
+            return
+        end
+
+        # if user accepted but no candidate matches, use the input as result
+        if test -z "$result"
+            set result $query
+        end
+    end
+
+    set prefix (string sub -s 1 -l 1 -- (commandline -t))
+    for i in (seq (count $result))
+        set -l r $result[$i]
+        switch $prefix
+            case "'"
+                commandline -t -- (string escape -- $r)
+            case '"'
+                if string match '*"*' -- $r >/dev/null
+                    commandline -t --  (string escape -- $r)
+                else
+                    commandline -t -- '"'$r'"'
+                end
+            case '~'
+                commandline -t -- (string sub -s 2 (string escape -n -- $r))
+            case '*'
+                commandline -t -- $r
+        end
+        [ $i -lt (count $result) ]; and commandline -i ' '
+    end
+
+    commandline -f repaint
+end
+
+function __fzf_complete_opts
+    if set -q FZF_DEFAULT_OPTS
+        echo $FZF_DEFAULT_OPTS
+    end
+    echo --cycle --reverse --inline-info --no-multi --bind tab:down,btab:up
+end