feat: add fish installation

fish/conf.d/smapp.fish

@@ -0,0 +1,17 @@
+function killsh --argument 1
+  lsof -ti:"$1" | xargs kill -9
+end
+
+function fwdpg --argument 1 2
+  ssh -N -f -L "$2":localhost:"$2" ubuntu@os-playground"$1"
+end
+
+function pg --argument 1
+  ssh os-playground"$1"
+end
+
+function fwdhulk --argument 1
+  ssh -N -f -L "$1":localhost:"$1" hulk
+end
+
+alias hulk="ssh hulk"

fish/config.fish

@@ -0,0 +1,13 @@
+if status is-interactive
+    # Commands to run in interactive sessions can go here
+end
+
+switch (uname)
+    case Darwin
+      eval "$(/opt/homebrew/bin/brew shellenv)"
+end
+
+starship init fish | source
+
+fish_add_path $HOME/bin
+fish_add_path $HOME/.local/bin

scripts/fish.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+usage() {
+	echo -n -e "The user-friendly command line shell"
+
+	# shellcheck disable=1004,2016
+	echo '
+  __ _     _
+ / _(_)___| |__
+| |_| / __| |_ \
+|  _| \__ \ | | |
+|_| |_|___/_| |_|
+
+  '
+}
+
+main_pacman() {
+	require_pacman fish
+}
+
+main_brew() {
+	require_brew fish
+}
+
+main() {
+	if [ ! -f ~/.config/fish/conf.d/omf.fish ]; then
+		curl https://raw.githubusercontent.com/oh-my-fish/oh-my-fish/master/bin/install | fish
+	fi
+
+	grep "fish" /etc/shells || which fish | sudo tee -a /etc/shells
+
+	configfile "fish" "config.fish"
+}
+
+main_elahe() {
+	configfile "fish/conf.d" "smapp.fish"
+}