lint(sh): ignore warnings about expansion in docstring (fixes #506)

brew/install.sh

@@ -37,6 +37,7 @@ _install_brew() {
         echo ""
         echo "If you prefer to have brew installed to '/usr/local' cancel now and do the following:"
         echo "        rm -rf '$HOME/.local/opt/brew'"
+        # shellcheck disable=2016
         echo '        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"'
         echo ""
         sleep 3
@@ -56,6 +57,7 @@ _install_brew() {
     echo ""
     echo "If you prefer to have brew installed to '/usr/local' do the following:"
     echo "        mv '$HOME/.local/opt/brew' '$HOME/.local/opt/brew.$(date '+%F_%H-%M-%S').bak'"
+    # shellcheck disable=2016
     echo '        /bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"'
     echo ""
 }

pyenv/install.sh

@@ -9,7 +9,9 @@ __init_pyenv() {
     if [ ! -f ~/.bashrc ] || ! grep -q 'pyenv init' ~/.bashrc; then
         echo '' >> ~/.bashrc
         echo '# added by Webi for pyenv' >> ~/.bashrc
+        # shellcheck disable=2016
         echo 'eval "$(pyenv init -)"' >> ~/.bashrc
+        # shellcheck disable=2016
         echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.bashrc
     fi
 
@@ -18,7 +20,9 @@ __init_pyenv() {
         if ! grep -q 'pyenv init' ~/.zshrc; then
             echo '' >> ~/.zshrc
             echo '# added by Webi for pyenv' >> ~/.zshrc
+            # shellcheck disable=2016
             echo 'eval "$(pyenv init -)"' >> ~/.zshrc
+            # shellcheck disable=2016
             echo 'eval "$(pyenv virtualenv-init -)"' >> ~/.zshrc
         fi
     fi

vps-addswap/install.sh

@@ -9,6 +9,7 @@ __init_vps_addswap() {
 
     if [ "$(id -u)" -ne 0 ]; then
         echo Usage:
+        # shellcheck disable=2016
         echo '        sudo env PATH="$PATH" vps-addswap' "$my_size"
         exit 1
     fi