fish: bump fisher to v4.1.0

fish/conf.d/fisher.fish

@@ -1,13 +1,7 @@
 # https://github.com/jorgebucaran/fisher
-set -g fisher_path ~/.config/fish/fisher
+set -g fisher_path $__fish_config_dir/fisher
 set fish_function_path $fish_function_path[1] $fisher_path/functions $fish_function_path[2..-1]
 set fish_complete_path $fish_complete_path[1] $fisher_path/completions $fish_complete_path[2..-1]
-if not functions -q fisher
-    echo "Installing fish-shell package manager: $fisher_path/functions/fisher.fish"
-    curl -fsSL -o $fisher_path/functions/fisher.fish --create-dirs https://git.io/fisher
-    echo "Installing fish-shell packages..."
-    fish -c fisher
-end
 for file in $fisher_path/conf.d/*.fish
-    builtin source $file 2> /dev/null
+    builtin source $file 2>/dev/null
 end

fish/fish_plugins

@@ -1,3 +1,4 @@
+jorgebucaran/fisher
 oh-my-fish/plugin-foreign-env
 oh-my-fish/plugin-license
 oh-my-fish/plugin-sublime

install.sh

@@ -29,3 +29,4 @@ fi
 confirm "Set login shell?"           && "$ROOTDIR/install/install-shell.sh"
 confirm "Create symlinks?"           && "$ROOTDIR/install/install-symlinks.sh"
 confirm "Install vim plugins?"       && "$ROOTDIR/install/install-vim-plugins.sh"
+confirm "Install fish plugins?"       && "$ROOTDIR/install/install-fish-plugins.sh"

install/install-fish-plugins.sh

@@ -0,0 +1,6 @@
+#!/bin/bash
+
+echo "To install fish plugins, run this command interactively in fish:"
+echo
+echo "  curl -fsSL https://git.io/fisher | source && fisher update"
+echo