feat: brew and apt packages

script/install.d/04-git.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   Configure git.
+#
+
+if ! command -v git &> /dev/null; then
+    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        sudo apt-get install -qq git
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        brew install git
+    fi
+fi

script/install.d/21-gh_cli.sh

@@ -0,0 +1,19 @@
+# /bin/bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   Install GitHub CLI.
+#
+
+if ! command -v gh &>/dev/null; then
+    if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+        # https://github.com/cli/cli/blob/trunk/docs/install_linux.md#debian-ubuntu-linux-raspberry-pi-os-apt
+        sudo mkdir -p -m 755 /etc/apt/keyrings && wget -qO- https://cli.github.com/packages/githubcli-archive-keyring.gpg | sudo tee /etc/apt/keyrings/githubcli-archive-keyring.gpg >/dev/null &&
+            sudo chmod go+r /etc/apt/keyrings/githubcli-archive-keyring.gpg &&
+            echo "deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/githubcli-archive-keyring.gpg] https://cli.github.com/packages stable main" | sudo tee /etc/apt/sources.list.d/github-cli.list >/dev/null &&
+            sudo apt update &&
+            sudo apt install gh -y
+    elif [[ "$OSTYPE" == "darwin"* ]]; then
+        brew install gh
+    fi
+fi

script/install.d/30-iterm2.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   (macOS only) Install iTerm2.
+#
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    if ! command -v iterm2 &> /dev/null; then
+        brew install --cask iterm2
+    fi
+fi

script/install.d/70-cca.sh

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+# -----------------------------------------------------------------------------
+# Description:
+#   (macOS only) Install Colour Contrast Analyser (CCA).
+#
+
+if [[ "$OSTYPE" == "darwin"* ]]; then
+    if ! command -v cca &> /dev/null; then
+        brew install --cask colour-contrast-analyser
+    fi
+fi