tools: Add useful script to develop ports

.gitignore

@@ -19,3 +19,4 @@ base/etc/skel/LICENSE
 kernel/config.cmake
 ports/out/
 ports/temp/
+ports/dev/

tools/make-package.sh

@@ -13,7 +13,7 @@ then
     exit 1
 fi
 
-export WORKDIR=$LUNA_ROOT/ports/temp/
+export WORKDIR=${WORKDIR:-$LUNA_ROOT/ports/temp}
 
 show_error()
 {
@@ -28,12 +28,14 @@ source ports/$PORT_NAME/PACKAGE
 [ -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."
 
+if [ -x ${skip_dependencies+x} ]; then
     if ! [ -z ${dependencies+x} ]; then
         echo "Installing dependencies of $name: (${dependencies[@]})"
         for dep in ${dependencies[@]}; do
             tools/install-package.sh $dep
         done
     fi
+fi
 
 export portdir=$LUNA_ROOT/ports/$name/
 export srcdir=${srcdir:-$WORKDIR/$name-$version}
@@ -43,6 +45,7 @@ export installdir=$WORKDIR/pkgroot-$name
 mkdir -p $WORKDIR
 cd $WORKDIR
 
+if [ -z ${skip_download_sources+x} ]; then
     # Download package sources
     case $format in
         tar)
@@ -74,6 +77,7 @@ case $format in
             show_error "error: Unrecognized 'format' key in PACKAGE file: '$format'"
             ;;
     esac
+fi
 
 if ! [ "$set_cc_variables" = "no" ]; then
 export CC=x86_64-luna-gcc
@@ -89,8 +93,11 @@ fi
 mkdir -p $builddir
 cd $builddir
 
+if [ -z ${skip_patch+x} ]; then
     declare -F do_patch &>/dev/null && do_patch
+fi
 
+if [ -z ${skip_configure+x} ]; then
     echo "Configuring $name..."
 
     if [ "$use_default_configure" = "true" ]; then
@@ -101,7 +108,9 @@ else
         declare -F do_configure &>/dev/null || show_error "error: If not using a default configure line, the PACKAGE file must provide a 'do_configure' function."
         do_configure
     fi
+fi
 
+if [ -z ${skip_build+x} ]; then
     echo "Building $name..."
 
     export MAKEJOBS=$(nproc)
@@ -114,9 +123,12 @@ 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
+fi
 
+if [ -z ${skip_install+x} ]; then
     echo "Installing $name..."
 
+    rm -rf $installdir # clean it if it already existed
     mkdir -p $installdir
     export DESTDIR=$installdir
 
@@ -137,6 +149,9 @@ set -e
     cd $installdir
 
     tar czf $LUNA_ROOT/ports/out/$name-$version.tar.gz *
+fi
 
+if [ -z ${preserve_workdir+x} ]; then
     cd $LUNA_ROOT
     rm -rf $WORKDIR
+fi

tools/package-helper.sh

@@ -0,0 +1,95 @@
+#!/usr/bin/env bash
+set -e
+
+source $(dirname $0)/env.sh
+
+cd $LUNA_ROOT
+
+SUBCOMMAND=$1
+PORT_NAME=$2
+
+if [ "$SUBCOMMAND" = "help" ]; then
+    echo "TODO: add help"
+    exit 1
+fi
+
+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
+
+export preserve_workdir=1
+export WORKDIR=$LUNA_ROOT/ports/dev
+
+case $SUBCOMMAND in
+    download)
+        export skip_configure=1
+        export skip_build=1
+        export skip_install=1
+        export skip_dependencies=1
+        export skip_patch=1
+
+        tools/make-package.sh $PORT_NAME
+
+        if [ "$format" = "tar" ]; then
+            cd ${srcdir:-$WORKDIR/$name-$version}
+            git init
+            git add .
+            git commit -m "Temporary development git repository for diffs."
+            cd $LUNA_ROOT
+        fi
+
+        echo "Created dev source tree in ${srcdir:-$WORKDIR/$name-$version}."
+    ;;
+    setup-dependencies)
+        export skip_download_sources=1
+        export skip_build=1
+        export skip_install=1
+        export skip_configure=1
+        export skip_patch=1
+
+        tools/make-package.sh $PORT_NAME
+    ;;
+    patch)
+        export skip_download_sources=1
+        export skip_build=1
+        export skip_install=1
+        export skip_configure=1
+        export skip_dependencies=1
+
+        tools/make-package.sh $PORT_NAME
+    ;;
+    configure)
+        export skip_download_sources=1
+        export skip_build=1
+        export skip_install=1
+        export skip_dependencies=1
+        export skip_patch=1
+
+        tools/make-package.sh $PORT_NAME
+    ;;
+    compile)
+        export skip_download_sources=1
+        export skip_configure=1
+        export skip_dependencies=1
+        export skip_patch=1
+
+        tools/make-package.sh $PORT_NAME
+
+        echo "Packaged dev build as $LUNA_ROOT/ports/out/$name-$version.tar.gz. Install it using tools/install-package.sh."
+    ;;
+    generate-diff)
+        cd ${srcdir:-$WORKDIR/$name-$version}
+        git diff > $LUNA_ROOT/ports/$name/$name.patch
+        echo "Created $LUNA_ROOT/ports/$name/$name.patch. Remember to add patching code to the PACKAGE file!"
+    ;;
+    cleanup)
+        rm -rfv $WORKDIR/*$name*
+    ;;
+    *)
+        echo "No such subcommand. Run 'tools/package-helper.sh help $name' for help."
+    ;;
+esac