Add smarter Ctrl-T bindings for Fish

assets/default/fish/functions/fzf_key_bindings_enhanced.fish

@@ -0,0 +1,47 @@
+# Extends fzf-file-widget by changing the FZF_CTRL_T_COMMAND based on context
+# Should be added to fish_user_keybindings after fzf_key_bindings
+# Author: ViViDboarder
+function fzf_key_bindings_enhanced
+  function fzf-enhanced-widget -d "FZF widget that takes command and args via args"
+    set -lx FZF_CTRL_T_COMMAND $argv[1]
+    set -lx FZF_CTRL_T_OPTS $FZF_CTRL_T_OPTS
+    if [ (count $argv) -gt 1 ]
+      set FZF_CTRL_T_OPTS $argv[2]
+    end
+    set -l commandline (__fzf_parse_commandline)
+    set -l fzf_query $commandline[2]
+
+    set -q FZF_TMUX_HEIGHT; or set FZF_TMUX_HEIGHT 40%
+    begin
+      set -lx FZF_DEFAULT_OPTS "--height $FZF_TMUX_HEIGHT --reverse $FZF_DEFAULT_OPTS $FZF_CTRL_T_OPTS"
+      eval "$FZF_CTRL_T_COMMAND | "(__fzfcmd)' -m --query "'$fzf_query'"' | while read -l r; set result $result $r; end
+    end
+    if [ -z "$result" ]
+      commandline -f repaint
+      return
+    else
+      # Remove last token from commandline.
+      commandline -t ""
+    end
+    for i in $result
+      commandline -it -- (string escape $i)
+      commandline -it -- ' '
+    end
+    commandline -f repaint
+  end
+
+  function fzf-enhanced-binding -d 'List files or other completions based on context'
+    set -l cmd (commandline -opc)
+    if [ (count $cmd) -gt 1 -a "$cmd[1]" = "python" -a "$cmd[-1]" = "-m" ]
+      # List python modules
+      set -l FZF_CTRL_T_COMMAND "ag --py -g '' | sed -e 's/\//./g' -e 's/\(.__init__\)*.py\$//'"
+      fzf-enhanced-widget "$FZF_CTRL_T_COMMAND"
+    end
+    fzf-file-widget
+  end
+
+  bind \ct fzf-enhanced-binding
+  if bind -M insert >> /dev/null 2>&1
+    bind -M insert \ct fzf-enhanced-binding
+  end
+end