From 938924f36de1f335903608c28c4ba5284d5dd883 Mon Sep 17 00:00:00 2001
From: Peter Elliott <pelliott@ualberta.ca>
Date: Fri, 2 Apr 2021 21:53:41 -0600
Subject: [PATCH] Meta: Add install-ports CMake target

install-ports copys the necessary files from Ports/ to /usr/Ports. Also
refactor the compiler and destiation variables from .port_include.sh
into .hosted_defs.sh. .hosted_defs.sh does not exists when ports are
built in serenity
---
 CMakeLists.txt             |  5 +++++
 Meta/install-ports-tree.sh | 10 ++++++++++
 Meta/lint-ports.py         |  3 ++-
 Ports/.hosted_defs.sh      | 10 ++++++++++
 Ports/.port_include.sh     | 24 +++++++++++++-----------
 5 files changed, 40 insertions(+), 12 deletions(-)
 create mode 100755 Meta/install-ports-tree.sh
 create mode 100644 Ports/.hosted_defs.sh

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 847e26df418..cebc9eb83a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -67,6 +67,11 @@ add_custom_target(check-style
     USES_TERMINAL
 )
 
+add_custom_target(install-ports
+    COMMAND ${CMAKE_COMMAND} -E env "SERENITY_ROOT=${CMAKE_SOURCE_DIR}" "SERENITY_ARCH=${SERENITY_ARCH}" ${CMAKE_SOURCE_DIR}/Meta/install-ports-tree.sh
+    USES_TERMINAL
+)
+
 set(CMAKE_CXX_STANDARD 20)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 set(CMAKE_CXX_EXTENSIONS OFF)
diff --git a/Meta/install-ports-tree.sh b/Meta/install-ports-tree.sh
new file mode 100755
index 00000000000..ceac2058fa8
--- /dev/null
+++ b/Meta/install-ports-tree.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+SERENITY_PORTS_DIR="${SERENITY_ROOT}/Build/${SERENITY_ARCH}/Root/usr/Ports"
+
+for file in $(git ls-files "${SERENITY_ROOT}/Ports"); do
+    if [ "$(basename "$file")" != ".hosted_defs.sh" ]; then
+        target=${SERENITY_PORTS_DIR}/$(realpath --relative-to="${SERENITY_ROOT}/Ports" "$file")
+        mkdir -p "$(dirname "$target")" && cp "$file" "$target"
+    fi
+done
diff --git a/Meta/lint-ports.py b/Meta/lint-ports.py
index 41e8ffe7843..a25fc109aa2 100755
--- a/Meta/lint-ports.py
+++ b/Meta/lint-ports.py
@@ -14,7 +14,8 @@ IGNORE_FILES = {
     PORT_TABLE_FILE,
     'build_all.sh',
     'build_installed.sh',
-    'README.md'
+    'README.md',
+    '.hosted_defs.sh'
 }
 
 
diff --git a/Ports/.hosted_defs.sh b/Ports/.hosted_defs.sh
new file mode 100644
index 00000000000..fa44d64b97c
--- /dev/null
+++ b/Ports/.hosted_defs.sh
@@ -0,0 +1,10 @@
+#!/usr/bin/env bash
+
+export SERENITY_ROOT="$(realpath "${SCRIPT}/../")"
+export SERENITY_BUILD_DIR="${SERENITY_ROOT}/Build/${SERENITY_ARCH}"
+export CC="${SERENITY_ARCH}-pc-serenity-gcc"
+export CXX="${SERENITY_ARCH}-pc-serenity-g++"
+export AR="${SERENITY_ARCH}-pc-serenity-ar"
+export RANLIB="${SERENITY_ARCH}-pc-serenity-ranlib"
+export PATH="${SERENITY_ROOT}/Toolchain/Local/${SERENITY_ARCH}/bin:${PATH}"
+export DESTDIR="${SERENITY_BUILD_DIR}/Root"
diff --git a/Ports/.port_include.sh b/Ports/.port_include.sh
index a70af4d9aa6..63bee0766d3 100755
--- a/Ports/.port_include.sh
+++ b/Ports/.port_include.sh
@@ -2,16 +2,17 @@
 set -eu
 
 SCRIPT="$(dirname "${0}")"
-export SERENITY_ROOT="$(realpath "${SCRIPT}/../")"
 export SERENITY_ARCH="${SERENITY_ARCH:-i686}"
-export SERENITY_BUILD_DIR="${SERENITY_ROOT}/Build/${SERENITY_ARCH}"
-export CC="${SERENITY_ARCH}-pc-serenity-gcc"
-export CXX="${SERENITY_ARCH}-pc-serenity-g++"
-export AR="${SERENITY_ARCH}-pc-serenity-ar"
-export RANLIB="${SERENITY_ARCH}-pc-serenity-ranlib"
-export PATH="${SERENITY_ROOT}/Toolchain/Local/${SERENITY_ARCH}/bin:${PATH}"
 
-packagesdb="${SERENITY_BUILD_DIR}/packages.db"
+maybe_source() {
+    if [ -f "$1" ]; then
+        . "$1"
+    fi
+}
+DESTDIR="/"
+maybe_source "${SCRIPT}/.hosted_defs.sh"
+
+packagesdb="${DESTDIR}/usr/Ports/packages.db"
 
 MD5SUM=md5sum
 
@@ -164,7 +165,7 @@ func_defined build || build() {
     run make $makeopts
 }
 func_defined install || install() {
-    run make DESTDIR="${SERENITY_BUILD_DIR}/Root" $installopts install
+    run make DESTDIR=$DESTDIR $installopts install
 }
 func_defined post_install || post_install() {
     echo
@@ -194,6 +195,7 @@ func_defined clean_all || clean_all() {
 addtodb() {
     if [ ! -f "$packagesdb" ]; then
         echo "Note: $packagesdb does not exist. Creating."
+        mkdir -p "${DESTDIR}/usr/Ports/"
         touch "$packagesdb"
     fi
     if ! grep -E "^(auto|manual) $port $version" "$packagesdb" > /dev/null; then
@@ -226,10 +228,10 @@ uninstall() {
             for f in `cat plist`; do
                 case $f in
                     */)
-                        run rmdir "${SERENITY_BUILD_DIR}/Root/$f" || true
+                        run rmdir "${DESTDIR}/$f" || true
                         ;;
                     *)
-                        run rm -rf "${SERENITY_BUILD_DIR}/Root/$f"
+                        run rm -rf "${DESTDIR}/$f"
                         ;;
                 esac
             done