refactor(boostrap.sh): add line to locallib.conf only if doesn't exist

Didn't actually test.

simple_make.sh

@@ -1,40 +1,147 @@
 #!/usr/bin/env bash
 
-if which apt-get; then
-    sudo apt-get install \
-        git build-essential qt5-qmake qt5-default qttools5-dev-tools \
-        libqt5opengl5-dev libqt5svg5-dev libopenal-dev libavdevice-dev \
-        libxss-dev qrencode libqrencode-dev libtool autotools-dev \
-        automake checkinstall check libopus-dev libvpx-dev libsodium-dev \
-        libglib2.0-dev libgdk-pixbuf2.0-dev libgtk2.0-dev \
+set -eu -o pipefail
+
+apt_install() {
+    local apt_packages=(
+        automake
+        autotools-dev
+        check
+        checkinstall
+        git build-essential
+        libavdevice-dev
+        libgdk-pixbuf2.0-dev
+        libglib2.0-dev
+        libgtk2.0-dev
+        libopenal-dev
+        libopus-dev
+        libqrencode-dev
+        libqt5opengl5-dev
+        libqt5svg5-dev
+        libsodium-dev
         libsqlcipher-dev
-elif which pacman; then
-    sudo pacman -S --needed \
-        git base-devel qt5 openal libxss qrencode opus libvpx libsodium
-elif which dnf; then
-    sudo dnf group install \
-        "Development Tools" \
-        "C Development Tools and Libraries"
+        libtool
+        libvpx-dev
+        libxss-dev
+        qrencode
+        qt5-default
+        qt5-qmake
+        qttools5-dev-tools
+    )
+    sudo apt-get install "${apt_packages[@]}"
+}
+
+pacman_install() {
+    local pacman_packages=(
+        base-devel
+        git
+        libsodium
+        libvpx
+        libxss
+        openal
+        opus
+        qrencode
+        qt5
+    )
+    sudo pacman -S --needed "${pacman_packages[@]}"
+}
+
+dnf_install() {
+    local dnf_group_packages=(
+        'Development Tools'
+        'C Development Tools and Libraries'
+    )
+    sudo dnf group install "${dnf_group_packages[@]}"
+
     # pure Fedora doesn't have what it takes to compile qTox (ffmpeg)
-    sudo dnf install \
-        http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$(rpm -E %fedora).noarch.rpm
-    sudo dnf install \
-        git qt-devel qt-doc qt-creator qt5-qtsvg qt5-qtsvg-devel \
-        openal-soft-devel qt5-qttools-devel libXScrnSaver-devel \
-        qrencode-devel opus-devel libvpx-devel glib2-devel gdk-pixbuf2-devel \
-        gtk2-devel libsodium-devel ffmpeg-devel sqlite sqlite-devel libtool \
+    local fedora_version=$(rpm -E %fedora)
+    local dnf_rpmfusion_package=(
+        http://download1.rpmfusion.org/free/fedora/rpmfusion-free-release-$fedora_version.noarch.rpm
+    )
+    sudo dnf install "$dnf_rpmfusion_package"
+
+    local dnf_packages=(
+        ffmpeg-devel
+        gdk-pixbuf2-devel
+        git
+        glib2-devel
+        gtk2-devel
+        libsodium-devel
+        libtool
+        libvpx-devel
+        libXScrnSaver-devel
+        openal-soft-devel
         openssl-devel
+        opus-devel
+        qrencode-devel
+        qt5-qtsvg
+        qt5-qtsvg-devel
+        qt5-qttools-devel
+        qt-creator
+        qt-devel
+        qt-doc
+        sqlite
+        sqlite-devel
+    )
+    sudo dnf install "${dnf_packages[@]}"
+}
+
 # Fedora by default doesn't include libs in /usr/local/lib so add it
-    echo '/usr/local/lib/' | sudo tee -a /etc/ld.so.conf.d/locallib.conf
-elif which zypper; then
-    sudo zypper in \
-        git patterns-openSUSE-devel_basis libqt5-qtbase-common-devel \
-        libqt5-qtsvg-devel libqt5-linguist libQt5Network-devel \
-        libQt5OpenGL-devel libQt5Concurrent-devel libQt5Xml-devel \
-        libQt5Sql-devel openal-soft-devel qrencode-devel \
-        libXScrnSaver-devel libQt5Sql5-sqlite libffmpeg-devel \
-        libsodium-devel libvpx-devel libopus-devel \
-        patterns-openSUSE-devel_basis sqlcipher-devel
+fedora_locallib() {
+    local llib_file="/etc/ld.so.conf.d/locallib.conf"
+    local llib_line="/usr/local/lib/"
+
+    # check whether needed line already exists
+    is_locallib() {
+        grep -q "^$llib_line\$" "$llib_file"
+    }
+
+    # proceed only if line doesn't exist
+    is_locallib \
+        || echo "$llib_line" \
+            | sudo tee -a "$llib_file"
+}
+
+zypper_install() {
+    local zypper_packages=(
+        git
+        libffmpeg-devel
+        libopus-devel
+        libQt5Concurrent-devel
+        libqt5-linguist
+        libQt5Network-devel
+        libQt5OpenGL-devel
+        libqt5-qtbase-common-devel
+        libqt5-qtsvg-devel
+        libQt5Sql5-sqlite
+        libQt5Sql-devel
+        libQt5Xml-devel
+        libsodium-devel
+        libvpx-devel
+        libXScrnSaver-devel
+        openal-soft-devel
+        patterns-openSUSE-devel_basis
+        patterns-openSUSE-devel_basis
+        qrencode-devel
+        sqlcipher-devel
+    )
+    sudo zypper in "${zypper_packages[@]}"
+}
+
+main() {
+    if which apt-get
+    then
+        apt_install
+    elif which pacman
+    then
+        pacman_install
+    elif which dnf
+    then
+        dnf_install
+        fedora_locallib
+    elif which zypper
+    then
+        zypper_install
     else
         echo "Unknown package manager, attempting to compile anyways"
     fi
@@ -46,3 +153,5 @@ else
         qmake
     fi
     make -j$(nproc)
+}
+main