Adds autobuild script

This script is able to install the server dependencies on a variety of
systems.

1 files changed, 259 insertions, 0 deletions

diff --git a/server/autobuild b/server/autobuild
new file mode 100755
index 0000000..4301e35
--- /dev/null
+++ b/server/autobuild
@@ -0,0 +1,259 @@
+#!/bin/sh
+
+##
+## Installs package dependencies and builds the application.
+## 
+
+# Don't exit if some command fails.
+set +e
+# Disalbe file globbing.
+set -f
+
+# Command to install packages.
+PKGCMD=
+# Args to pass to $PKGCMD.
+PKGARGS=
+# Required packages.
+PACKAGES=
+# Whether package installation requires root permissions.
+INSTALL_AS_ROOT=true
+
+## +-----------------------------------------------------------+
+## * Utility Functions
+## +-----------------------------------------------------------+
+
+# Search for command $1 in PATH. Print its absolute filename.
+which()
+{
+    if [ -z "$1" ]; then
+	return 1
+    fi
+    IFS=:
+    for dir in $PATH; do
+	if [ -x "$dir/$1" ]; then
+	    echo "$dir/$1"
+	    unset IFS
+	    return 0
+	fi
+    done
+    unset IFS
+    return 1
+}
+
+# Exec $@ as root if required.
+exec_privileged() {
+    if [ -z "$*" ]; then
+	echo "internal error: package install command is empty" >&2
+	exit 2
+    fi
+    if [ -w / ] || [ "$INSTALL_AS_ROOT" != "true" ]; then
+	"$@"
+    elif which sudo >/dev/null 2>&1; then
+	sudo "$@"
+    elif which su >/dev/null 2>&1; then
+	su -c "$@"
+    else
+	echo "No such program: sudo or su" >&2
+	exit 1
+    fi
+}
+
+# Test if $1 is in PATH or exit with a failure status.
+assert_program()
+{
+    if ! which "$1" >/dev/null 2>&1; then
+	echo "No such program: $1" >&2
+	exit 1
+    fi
+}
+
+# Source filename $1 and echo variable $2.
+source_var()
+{
+    if ! [ -f "$1" ] || ! [ -r "$1" ]; then
+	return 1
+    fi
+    # shellcheck source=/dev/null
+    . "$1"
+    eval "echo \$$2"
+    return 0
+}
+
+## +-----------------------------------------------------------+
+## * OS Functions
+## +-----------------------------------------------------------+
+
+# Archlinux
+os_arch() {
+    if ! [ -e "/etc/arch-release" ]; then
+	return 1;
+    fi
+    PKGCMD=pacman
+    PKGARGS="-S --needed"
+    PACKAGES="base-devel libpng zlib poppler-glib"
+    return 0;
+}
+
+# CentOS
+os_centos() {
+    if ! [ -e "/etc/centos-release" ]; then
+	return 1;
+    fi
+    PKGCMD=yum
+    if yum help install-n >/dev/null 2>&1; then
+	PKGARGS=install-n
+    else
+	PKGARGS=install
+    fi
+    PACKAGES="libpng-devel zlib-devel poppler-glib-devel poppler-devel pkgconfig autoconf automake gcc gcc-c++ make"
+    return 1
+}
+
+# FreeBSD
+os_freebsd() {
+    if ! which uname >/dev/null 2>&1 || [ "$(uname -s)" != "FreeBSD" ]; then
+	return 1
+    fi
+    PKGCMD=pkg
+    PKGARGS=install
+    PACKAGES="autotools poppler-glib png pkgconf"
+    return 0
+}
+
+# Fedora
+os_fedora() {
+    if ! [ -e "/etc/fedora-release" ]; then
+	return 1
+    fi
+    PKGCMD=dnf
+    PKGARGS=install
+    PACKAGES="libpng-devel zlib-devel poppler-glib-devel poppler-devel autoconf automake gcc gcc-c++ make"
+    VERSION=$(source_var /etc/os-release VERSION_ID)
+    if [ -n "$VERSION" ] && [ "$VERSION" -ge 26 ]; then
+	PACKAGES="$PACKAGES pkgconf"
+    else
+	PACKAGES="$PACKAGES pkgconfig"
+    fi
+    return 0
+}
+
+# Debian/Ubuntu
+os_debian() {
+    if ! [ -e "/etc/debian_version" ]; then
+	return 1
+    fi
+    PACKAGES="libpng-dev libz-dev libpoppler-glib-dev libpoppler-dev libpoppler-private-dev pkg-config autoconf automake gcc g++ make"
+    PKGCMD=apt-get
+    PKGARGS=install
+    return 0
+}
+
+# Msys2
+os_msys2() {
+    if [ -z "$MSYSTEM" ] || ! [ -r "/etc/profile" ]; then
+	return 1
+    fi
+    case $MSYSTEM in
+	MINGW64)
+	    PACKAGES="base-devel mingw-w64-x86_64-toolchain mingw-w64-x86_64-libpng mingw-w64-x86_64-zlib mingw-w64-x86_64-poppler" ;;	
+	MINGW32)
+	    PACKAGES="base-devel mingw-w64-i686-toolchain mingw-w64-i686-libpng mingw-w64-i686-zlib mingw-w64-i686-poppler" ;;
+	MSYS)
+	    assert_program uname
+	    case $(uname -m) in
+		x86_64)
+		    MSYSTEM=MINGW64 ;;
+		*)
+		    MSYSTEM=MINGW32 ;;
+	    esac
+	    export MSYSTEM
+	    # shellcheck source=/dev/null
+	    . /etc/profile
+	    exec "$0" ;;
+	*)
+	    echo "Unrecognized MSYSTEM value: $MSYSTEM" >&2
+	    exit 1 ;;
+    esac
+    PKGCMD=pacman
+    PKGARGS="-S --needed"
+    INSTALL_AS_ROOT=false
+    return 0
+}
+
+# MacOS
+os_macos() {
+    if ! which uname >/dev/null 2>&1 || [ "$(uname -s)" != "Darwin" ]; then
+	return 1
+    fi
+    PKGCMD=brew
+    PKGARGS=install
+    PACKAGES="pkg-config poppler automake"
+    INSTALL_AS_ROOT=false
+    return 0
+}
+
+# NixOS
+os_nixos() {
+    if [ -n "$AUTOBUILD_NIX_SHELL" ]; then
+	return 0
+    fi
+    if ! which nix-shell >/dev/null 2>&1; then
+	return 1
+    fi
+    if [ -z "$AUTOBUILD_NIX_SHELL" ]; then
+	command="AUTOBUILD_NIX_SHELL=true; export AUTOBUILD_NIX_SHELL; $0"
+	exec nix-shell --pure --command "$command" \
+	     -p gcc gnumake automake autoconf pkgconfig libpng zlib poppler
+    fi
+}
+
+## +-----------------------------------------------------------+
+## * Figure out were we are, install deps and build the program
+## +-----------------------------------------------------------+
+
+os_arch || \
+    os_centos || \
+    os_freebsd || \
+    os_fedora || \
+    os_debian || \
+    os_msys2 || \
+    os_macos || \
+    os_nixos || \
+    {
+	echo "Failed to recognize this system" >&2
+	exit 1
+    }
+
+
+if [ -n "$PKGCMD" ];then
+    assert_program "$PKGCMD"
+    echo "---------------------------"
+    echo "    Installing packages    "
+    echo "---------------------------"
+    echo "$PKGCMD $PKGARGS $PACKAGES"
+    exec_privileged $PKGCMD $PKGARGS $PACKAGES
+fi
+
+echo "---------------------------"
+echo " Configuring and compiling "
+echo "---------------------------"
+if ! [ -f ./configure ]; then
+    assert_program autoreconf
+    echo "autoreconf -i"
+    autoreconf -i
+fi
+
+echo "./configure -q && make -s"
+if ./configure -q && make -s; then
+    echo "==========================="
+    echo "   Build succeeded. :O)    "
+    echo "==========================="
+else
+    echo "==========================="
+    echo "     Build failed.  ;o(    "
+    echo "==========================="
+fi
+
+# Local Variables:
+# compile-command: "shellcheck autobuild"
+# End: