From 260559c2fa97b18a1a88ce68e09ea58c19fec2f0 Mon Sep 17 00:00:00 2001
From: telans <telans@protonmail.com>
Date: Sun, 2 Feb 2020 07:52:37 +1300
Subject: [PATCH] build.sh: detect and install dependencies

---
 build.sh | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 69 insertions(+), 7 deletions(-)

diff --git a/build.sh b/build.sh
index b0bfeed2..76e3c80a 100755
--- a/build.sh
+++ b/build.sh
@@ -4,15 +4,76 @@ DATA_DIR=$HOME/.local/share/MangoHud
 LAYER=build/release/usr/share/vulkan/implicit_layer.d/mangohud.json
 IMPLICIT_LAYER_DIR=$HOME/.local/share/vulkan/implicit_layer.d 
 
+dependencies() {
+    if [[ ! -f build/release/usr/lib64/libMangoHud.so ]]; then
+        DISTRO=$(sed 1q /etc/os-release | sed 's/NAME=//g' | sed 's/"//g')
+        echo "# Checking Dependencies"
+
+        missing_deps() {
+            echo "# Missing dependencies!"
+            echo "# Attempting to install '$INSTALL'"
+        }
+        case $DISTRO in
+            "Arch Linux"|"Manjaro")
+                for i in {gcc,meson,pkgconf,python-mako,glslang,libglvnd,lib32-libglvnd}; do
+                    pacman -Q $i &> /dev/null
+                    if [[ $? == 1 ]]; then
+                        INSTALL=$INSTALL" "$i
+                    fi
+                done
+                if [[ ! -z "$INSTALL" ]]; then
+                    missing_deps
+                    sudo pacman -S $INSTALL
+                fi
+                ;;
+            "Fedora")
+                for i in {meson,gcc,g++,libX11-devel,glslang,python-mako,mesa-libGL-devel,glibc-devel.i686,libstdc++-devel.i686}; do
+                    dnf list installed | grep $i &> /dev/null
+                    if [[ $? == 1 ]]; then
+                        INSTALL=$INSTALL" "$i
+                    fi
+                done
+                if [[ ! -z "$INSTALL" ]]; then
+                    missing_deps
+                    sudo dnf install $INSTALL
+                fi
+                ;;
+            "Ubuntu"|"Linux Mint"|"Debian")
+                for i in {gcc,g++,gcc-multilib,g++-multilib,ninja-build,python3-pip,python3-setuptools,python3-wheel,pkg-config,mesa-common-dev}; do
+                    dpkg-query -l $i &> /dev/null
+                    if [[ $? == 1 ]]; then
+                        INSTALL=$INSTALL" "$i
+                    fi
+                done
+                if [[ ! -z "$INSTALL" ]]; then
+                    missing_deps
+                    sudo apt install $INSTALL
+                    sudo pip3 install meson mako
+                fi
+                if [[ ! -f /usr/local/bin/glslangValidator ]]; then
+                    wget https://github.com/KhronosGroup/glslang/releases/download/master-tot/glslang-master-linux-Release.zip
+                    unzip glslang-master-linux-Release.zip bin/glslangValidator
+                    sudo install -m755 bin/glslangValidator /usr/local/bin/
+                    rm bin/glslangValidator glslang-master-linux-Release.zip
+                fi
+                ;;
+            *)
+                echo "# Unable to find distro information!"
+                echo "# Attempting to build regardless"
+        esac
+    fi
+}
+
 configure() {
-    git pull
+    dependencies
+    git submodule update --init --depth 50
     if [[ ! -d build/meson64 ]]; then
         meson build/meson64 --libdir lib64 --prefix $PWD/build/release/usr
 
-        export CC="gcc -m32"
-        export CXX="g++ -m32"
-        export PKG_CONFIG_PATH="/usr/lib32/pkgconfig"
-        export LLVM_CONFIG="/usr/bin/llvm-config32"
+        CC="gcc -m32"
+        CXX="g++ -m32"
+        PKG_CONFIG_PATH="/usr/lib32/pkgconfig:/usr/lib/i386-linux-gnu/pkgconfig:${PKG_CONFIG_PATH_32}"
+        LLVM_CONFIG="/usr/bin/llvm-config32"
         meson build/meson32 --libdir lib32 --prefix $PWD/build/release/usr
     fi
 }
@@ -43,7 +104,7 @@ package() {
 }
 
 clean() {
-    rm -r build
+    rm -rf build
 }
 
 uninstall() {
@@ -55,10 +116,11 @@ case $1 in
     "") configure; build;;
     "build") configure; build;;
     "install") configure; build; install;;
+    "update") git pull &> /dev/null; configure; build; install;;
     "package") package;;
     "clean") clean;;
     "uninstall") uninstall;;
     *)
         echo "Unrecognized command argument: $1"
-        echo 'Accepted arguments: "", "build", "install", "package", "clean", "uninstall".'
+        echo 'Accepted arguments: "", "build", "install", "update", "package", "clean", "uninstall".'
 esac