change macos directory layout

macos/scripts/bootstrap

@@ -0,0 +1,79 @@
+#!/bin/sh
+
+DOTS=$(dirname "$0")/..
+cd "$DOTS" || (echo "Directory not found: $DOTS"; exit 1)
+DOTS="$PWD"
+
+install_xcode() {
+    if [ "$(uname)" = "Darwin" ]
+    then
+        if ! (xcode-select --version > /dev/null 2>&1)
+        then
+            xcode-select --install
+        fi
+        echo "xcode ✓"
+    fi
+}
+
+install_homebrew() {
+    if ! (which /usr/local/bin/brew > /dev/null)
+    then
+        printf "homebrew ✕\n\n"
+        printf "\ninstalling homebrew..."
+        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
+        echo ""
+    fi
+
+    echo "homebrew ✓"
+}
+
+install_brews() {
+    brewfile=$DOTS/homebrew/core.Brewfile
+    if ! (/usr/local/bin/brew bundle check --file "$brewfile" > /dev/null)
+    then
+        /usr/local/bin/brew bundle --file "$brewfile"
+    fi
+
+    echo "brews installed ✓"
+}
+
+use_fish_shell() {
+    if ! (which fish > /dev/null)
+    then
+        echo "Install fish before continuing"
+        echo "You can do: brew install fish"
+        echo "Or add fish to homebrew/Brewfile and rerun"
+        exit 1
+    fi
+    FISH_SHELL=$(which fish)
+    if ! (grep "$FISH_SHELL" /etc/shells > /dev/null)
+    then
+        echo "Modifying /etc/shells"
+        echo "Requires sudo password"
+        echo "$FISH_SHELL" | sudo tee -a /etc/shells
+    fi
+    if ! (echo "$SHELL" | grep fish > /dev/null)
+    then
+        echo "Changing default shell to fish"
+        echo "Requires sudo password"
+        sudo chsh -s "$FISH_SHELL"
+    fi
+
+    echo "fish ✓"
+}
+
+printf "\nbootstrapping...\n\n"
+install_xcode
+install_homebrew
+install_brews
+use_fish_shell
+("$DOTS/scripts/setup_symlinks")
+
+echo ""
+echo "consider running other scripts:"
+echo " - brews"
+echo " - casks"
+echo " - configure_macos"
+echo " - rust"
+echo " - cargos"
+echo ""