ports: Basic ports system + nasm port

.gitignore

@@ -7,3 +7,6 @@ initrd/bin/**
 base/usr/**
 .fakeroot
 kernel/config.cmake
+ports/out/
+ports/local/
+ports/temp/

ports/nasm/PACKAGE

@@ -0,0 +1,19 @@
+# Basic information
+name="nasm"
+version="2.16.01"
+
+# Download options
+format="tar"
+url="https://www.nasm.us/pub/nasm/releasebuilds/$version/nasm-$version.tar.gz"
+output="nasm-$version.tar.gz"
+sha256sum="d833bf0f5716e89dbcd345b7f545f25fe348c6e2ef16dbc293e1027bcd22d881"
+
+# Build instructions
+use_default_configure=true
+default_build_make=true
+default_install_make=true
+
+do_patch()
+{
+    mkdir -p $srcdir/asm/include
+}

tools/install-package.sh

@@ -0,0 +1,49 @@
+#!/usr/bin/env bash
+set -e
+
+source $(dirname $0)/env.sh
+
+cd $LUNA_ROOT
+
+PORT_NAME=$1
+
+if ! [ -f ports/$PORT_NAME/PACKAGE ]
+then
+    echo "Package $PORT_NAME does not exist. Make sure there is a valid PACKAGE file in the appropriate directory!"
+    exit 1
+fi
+
+source ports/$PORT_NAME/PACKAGE
+
+if [ -f ports/local/$name-$version.tar.gz ]; then
+    echo "Package $PORT_NAME is already installed and up to date!"
+    exit 1
+fi
+
+if ! [ -f ports/out/$name-$version.tar.gz ]; then
+    tools/make-package.sh $PORT_NAME
+fi
+
+PORT_FILES=$LUNA_BASE/usr/share/pkgdb/$PORT_NAME.files
+
+if [ -f $PORT_FILES ]
+then
+    echo "Package $PORT_NAME is installed, but is an outdated version. Updating."
+    tools/uninstall-package.sh $PORT_NAME
+fi
+
+cp ports/out/$name-$version.tar.gz ports/local/
+
+mkdir -p $LUNA_BASE/usr/share/pkgdb/
+
+cd $LUNA_BASE
+
+find -type f > /tmp/before.list
+
+tar -C $LUNA_BASE -xf $LUNA_ROOT/ports/local/$name-$version.tar.gz
+
+find -type f > /tmp/after.list
+
+awk 'FNR==NR {a[$0]++; next} !($0 in a)' /tmp/before.list /tmp/after.list > $LUNA_BASE/usr/share/pkgdb/$name.files
+
+echo "Package $name version $version successfully installed!"

tools/make-package.sh

@@ -0,0 +1,105 @@
+#!/usr/bin/env bash
+set -e
+
+source $(dirname $0)/env.sh
+
+cd $LUNA_ROOT
+
+PORT_NAME=$1
+
+if ! [ -f ports/$PORT_NAME/PACKAGE ]
+then
+    echo "Package $PORT_NAME does not exist. Make sure there is a valid PACKAGE file in the appropriate directory!"
+    exit 1
+fi
+
+export WORKDIR=$LUNA_ROOT/ports/temp/
+
+show_error()
+{
+    echo $1
+    exit 1
+}
+
+source ports/$PORT_NAME/PACKAGE
+
+[ -z ${name+x} ] && show_error "error: The port's PACKAGE file does not have a 'name' key."
+[ -z ${version+x} ] && show_error "error: The port's PACKAGE file does not have a 'version' key."
+[ -z ${format+x} ] && show_error "error: The port's PACKAGE file does not have a 'format' key."
+[ -z ${url+x} ] && show_error "error: The port's PACKAGE file does not have a 'url' key."
+
+export portdir=$LUNA_ROOT/ports/$name/
+export srcdir=${srcdir:-$WORKDIR/$name-$version}
+export builddir=$WORKDIR/build-$name
+export installdir=$WORKDIR/pkgroot-$name
+
+mkdir -p $WORKDIR
+cd $WORKDIR
+
+# Download package sources
+case $format in
+    tar)
+        [ -z ${output+x} ] && show_error "error: The 'tar' download format needs an 'output' key."
+        [ -z ${sha256sum+x} ] && show_error "error: The 'tar' download format needs a 'sha256sum' key."
+        echo "Downloading tarball for $name..."
+        wget $url --quiet
+        echo "$sha256sum $output" | sha256sum -c
+        tar xf $output
+        rm $output
+        ;;
+    git)
+        echo "Cloning repository for $name..."
+        git clone $url $srcdir
+        if ! [ -z ${tag+x} ]; then
+            cd $srcdir
+            git checkout $tag
+            cd -
+        fi
+        ;;
+    *)
+        show_error "error: Unrecognized 'format' key in PACKAGE file: '$format'"
+        ;;
+esac
+
+mkdir -p $builddir
+cd $builddir
+
+declare -F do_patch &>/dev/null && do_patch
+
+echo "Configuring $name..."
+
+if [ "$use_default_configure" = "true" ]; then
+    $srcdir/configure --host=$LUNA_ARCH-luna --prefix=/usr
+else
+    declare -F do_configure &>/dev/null || show_error "error: If not using the default configure line, the PACKAGE file must provide a 'do_configure' function."
+    do_configure
+fi
+
+echo "Building $name..."
+
+export MAKEJOBS=$(nproc)
+
+if [ "$default_build_make" = "true" ]; then
+    make -j$MAKEJOBS
+else
+    declare -F do_build &>/dev/null || show_error "error: If not using a default build preset, the PACKAGE file must provide a 'do_build' function."
+    do_build
+fi
+
+echo "Installing $name..."
+
+export DESTDIR=$installdir
+
+if [ "$default_install_make" = "true" ]; then
+    make install
+else
+    declare -F do_install &>/dev/null || show_error "error: If not using a default install preset, the PACKAGE file must provide a 'do_install' function."
+    do_install
+fi
+
+cd $installdir
+
+tar czf $LUNA_ROOT/ports/out/$name-$version.tar.gz *
+
+cd $LUNA_ROOT
+rm -rf $WORKDIR

tools/uninstall-package.sh

@@ -0,0 +1,19 @@
+#!/usr/bin/env bash
+set -e
+
+source $(dirname $0)/env.sh
+
+cd $LUNA_BASE
+
+PORT_NAME=$1
+PORT_FILES=$LUNA_BASE/usr/share/pkgdb/$PORT_NAME.files
+
+if ! [ -f $PORT_FILES ]
+then
+    echo "Package $PORT_NAME has not been installed."
+    exit 1
+fi
+
+rm -v $(cat $LUNA_BASE/usr/share/pkgdb/$PORT_NAME.files)
+rm -v $LUNA_BASE/usr/share/pkgdb/$PORT_NAME.files
+rm -v $LUNA_ROOT/ports/local/$PORT_NAME-*.tar.gz