[build] Add support for Debian packages (#4434)

* Add support for Debian packages

* SDL: add device probe

.gitignore

@@ -26,6 +26,7 @@ trace-out.txt
 
 koreader-*.zip
 koreader-*.apk
+koreader-*.deb
 koreader-*.tar.gz
 koreader-*.targz
 koreader-*.click
@@ -42,6 +43,10 @@ koreader-android-arm-linux-androideabi*
 koreader-android-i686-linux-android*
 koreader-cervantes-arm-linux-gnueabi*
 koreader-cervantes-arm-cervantes-linux-gnueabi*
+koreader-debian-i686-linux-gnu*
+koreader-debian-x86_64-linux-gnu*
+koreader-debian-armel-arm-linux-gnueabi*
+koreader-debian-armhf-arm-linux-gnueabihf*
 koreader-kindle-legacy-arm-kindle-linux-gnueabi*
 koreader-kindle-arm-linux-gnueabi*
 koreader-kobo-arm-linux-gnueabihf*

Makefile

@@ -39,6 +39,7 @@ ANDROID_DIR=$(PLATFORM_DIR)/android
 ANDROID_LAUNCHER_DIR:=$(ANDROID_DIR)/luajit-launcher
 APPIMAGE_DIR=$(PLATFORM_DIR)/appimage
 CERVANTES_DIR=$(PLATFORM_DIR)/cervantes
+DEBIAN_DIR=$(PLATFORM_DIR)/debian
 KINDLE_DIR=$(PLATFORM_DIR)/kindle
 KOBO_DIR=$(PLATFORM_DIR)/kobo
 POCKETBOOK_DIR=$(PLATFORM_DIR)/pocketbook
@@ -365,6 +366,24 @@ androidupdate: all
 	cp $(ANDROID_LAUNCHER_DIR)/bin/NativeActivity-debug.apk \
 		koreader-android-$(MACHINE)-$(VERSION).apk
 
+debianupdate: all
+	mkdir -p $(INSTALL_DIR)/debian/usr/share/pixmaps
+	cp -pr resources/koreader.png $(INSTALL_DIR)/debian/usr/share/pixmaps
+
+	mkdir -p $(INSTALL_DIR)/debian/usr/share/applications
+	cp -pr $(DEBIAN_DIR)/koreader.desktop $(INSTALL_DIR)/debian/usr/share/applications
+
+	mkdir -p $(INSTALL_DIR)/debian/usr/bin
+	cp -pr $(DEBIAN_DIR)/koreader.sh $(INSTALL_DIR)/debian/usr/bin/koreader
+
+	mkdir -p $(INSTALL_DIR)/debian/usr/lib
+	cp -Lr $(INSTALL_DIR)/koreader $(INSTALL_DIR)/debian/usr/lib
+
+	cd $(INSTALL_DIR)/debian/usr/lib/koreader && pwd && \
+		rm -rf ota cache clipboard screenshots spec && \
+		rm -rf resources/fonts resources/icons/src && \
+		rm -rf ev_replay.py
+
 sony-prstuxupdate: all
 	# ensure that the binaries were built for ARM
 	file $(INSTALL_DIR)/koreader/luajit | grep ARM || exit 1
@@ -439,6 +458,15 @@ else ifeq ($(TARGET), sony-prstux)
 	make sony-prstuxupdate
 else ifeq ($(TARGET), ubuntu-touch)
 	make utupdate
+else ifeq ($(TARGET), debian)
+	make debianupdate
+	$(CURDIR)/platform/debian/do_debian_package.sh $(INSTALL_DIR)
+else ifeq ($(TARGET), debian-armel)
+	make debianupdate
+	$(CURDIR)/platform/debian/do_debian_package.sh $(INSTALL_DIR) armel
+else ifeq ($(TARGET), debian-armhf)
+	make debianupdate
+	$(CURDIR)/platform/debian/do_debian_package.sh $(INSTALL_DIR) armhf
 endif
 
 androiddev: androidupdate

datastorage.lua

@@ -17,7 +17,7 @@ function DataStorage:getDataDir()
         local package_name = app_id:match("^(.-)_")
         -- confined ubuntu app has write access to this dir
         data_dir = string.format("%s/%s", os.getenv("XDG_DATA_HOME"), package_name)
-    elseif os.getenv("APPIMAGE") then
+    elseif os.getenv("APPIMAGE") or os.getenv("KO_MULTIUSER") then
         data_dir = string.format("%s/%s/%s", os.getenv("HOME"), ".config", "koreader")
     else
         data_dir = "."

frontend/device/generic/device.lua

@@ -39,6 +39,7 @@ local Device = {
     isPocketBook = no,
     isSonyPRSTUX = no,
     isSDL = no,
+    isEmulator = no,
 
     -- some devices have part of their screen covered by the bezel
     viewport = nil,

frontend/device/sdl/device.lua

@@ -12,25 +12,46 @@ local Device = Generic:new{
     hasKeyboard = yes,
     hasKeys = yes,
     hasDPad = yes,
-    hasFrontlight = yes,
     isTouchDevice = yes,
     needsScreenRefreshAfterResume = no,
     hasColorScreen = yes,
 }
 
-if os.getenv("DISABLE_TOUCH") == "1" then
-    Device.isTouchDevice = no
-end
+local AppImage = Device:new{
+    model = "AppImage",
+}
+
+local Emulator = Device:new{
+    model = "Emulator",
+    isEmulator = yes,
+    hasFrontlight = yes,
+}
+
+local Linux = Device:new{
+    model = "Linux",
+}
+
+local UbuntuTouch = Device:new{
+    model = "UbuntuTouch",
+    hasFrontlight = yes,
+}
 
 function Device:init()
+    local emulator = self.isEmulator
     -- allows to set a viewport via environment variable
     -- syntax is Lua table syntax, e.g. EMULATE_READER_VIEWPORT="{x=10,w=550,y=5,h=790}"
     local viewport = os.getenv("EMULATE_READER_VIEWPORT")
-    if viewport then
+    if emulator and viewport then
         self.viewport = require("ui/geometry"):new(loadstring("return " .. viewport)())
     end
+
+    local touchless = os.getenv("DISABLE_TOUCH") == "1"
+    if emulator and touchless then
+        self.isTouchDevice = no
+    end
+
     local portrait = os.getenv("EMULATE_READER_FORCE_PORTRAIT")
-    if portrait then
+    if emulator and portrait then
         self.isAlwaysPortrait = yes
     end
 
@@ -151,7 +172,7 @@ function Device:init()
 
     self.keyboard_layout = require("device/sdl/keyboard_layout")
 
-    if portrait then
+    if emulator and portrait then
         self.input:registerEventAdjustHook(self.input.adjustTouchSwitchXY)
         self.input:registerEventAdjustHook(
             self.input.adjustTouchMirrorX,
@@ -196,4 +217,13 @@ function Device:simulateResume()
     })
 end
 
-return Device
+-------------- device probe ------------
+if os.getenv("APPIMAGE") then
+    return AppImage
+elseif os.getenv("KO_MULTIUSER") then
+    return Linux
+elseif os.getenv("UBUNTU_APPLICATION_ISOLATION") then
+    return UbuntuTouch
+else
+    return Emulator
+end

kodev

@@ -122,6 +122,9 @@ SUPPORTED_TARGETS="
     pocketbook
     ubuntu-touch
     appimage
+    debian          Debian package for current arch
+    debian-armel    Debian package for generic armel devices
+    debian-armhf    Debian package for generic armhf devices
     emu             (*default) If no TARGET is given, assume emulator
     win32
 "
@@ -228,6 +231,18 @@ ${SUPPORTED_TARGETS}"
             make TARGET=appimage
             assert_ret_zero $?
             ;;
+        debian)
+            make TARGET=debian
+            assert_ret_zero $?
+            ;;
+        debian-armel)
+            make TARGET=debian-armel
+            assert_ret_zero $?
+            ;;
+        debian-armhf)
+            make TARGET=debian-armhf
+            assert_ret_zero $?
+            ;;
         win32)
             make TARGET=win32
             assert_ret_zero $?
@@ -308,6 +323,15 @@ ${SUPPORTED_TARGETS}"
         appimage)
             make TARGET=appimage clean
             ;;
+        debian)
+            make TARGET=debian clean
+            ;;
+        debian-armel)
+            make TARGET=debian-armel clean
+            ;;
+        debian-armhf)
+            make TARGET=debian-armhf clean
+            ;;
         win32)
             make TARGET=win32 clean
             ;;
@@ -428,6 +452,18 @@ ${SUPPORTED_RELEASE_TARGETS}"
             kodev-build appimage
             make TARGET=appimage update
             ;;
+        debian)
+            kodev-build debian
+            make TARGET=debian update
+            ;;
+        debian-armel)
+            kodev-build debian-armel
+            make TARGET=debian-armel update
+            ;;
+        debian-armhf)
+            kodev-build debian-armhf
+            make TARGET=debian-armhf update
+            ;;
         *)
             echo "Unsupported target for release: $1."
             echo "${RELEASE_HELP_MSG}"

platform/debian/do_debian_package.sh

@@ -0,0 +1,63 @@
+#!/bin/bash
+# Script to generate debian packages for KOReader
+
+if [ -z "${1}" ]; then
+    echo "${0}: can't find KOReader build, please specify a path"
+    exit 1
+else
+    INSTALL_DIR="${1}"
+    VERSION="$(cut -f2 -dv "${1}/koreader/git-rev" | cut -f1,2 -d-)"
+fi
+
+uname_to_debian() {
+    if [ "$(uname -m)" == "x86_64" ]; then
+        echo "amd64"
+    elif [ "$(uname -m)" == "i686" ]; then
+        echo "i686"
+    elif [ "$(uname -m)" == "arm64" ]; then
+        echo "aarch64"
+    else
+        echo "any"
+    fi
+}
+
+if [ -z "${2}" ]; then
+    ARCH="$(uname_to_debian)"
+else
+    ARCH="${2}"
+fi
+
+command_exists() {
+    type "$1" >/dev/null 2>/dev/null
+}
+
+# Run only if dpkg-deb exists
+COMMAND="dpkg-deb"
+if command_exists "$COMMAND"; then
+    mkdir -p "${INSTALL_DIR}/debian/DEBIAN"
+    {
+        echo "Section: graphics"
+        echo "Priority: optional"
+        echo "Depends: libsdl2-2.0-0"
+        echo "Architecture: ${ARCH}"
+        echo "Version: ${VERSION}"
+        echo "Installed-Size: $(du -ks "${INSTALL_DIR}/debian/usr/" | cut -f 1)"
+
+        echo "Package: KOReader"
+        echo "Maintainer: KOReader team"
+        echo "Homepage: https://koreader.rocks"
+        echo "Description: An ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats"
+        echo " KOReader is a document viewer application, originally created for Kindle e-ink readers."
+        echo " It currently runs on Kindle, Kobo, PocketBook, Ubuntu Touch, Android and Linux devices"
+
+    } >"${INSTALL_DIR}/debian/DEBIAN/control"
+
+    (cd "${INSTALL_DIR}/.." \
+        && fakeroot dpkg-deb -b "${INSTALL_DIR}/debian" "koreader-${VERSION}-${ARCH}.deb")
+else
+    echo "${COMMAND} not found, unable to build Debian package"
+    exit 1
+fi
+
+exit 0
+

platform/debian/koreader.desktop

@@ -0,0 +1,9 @@
+[Desktop Entry]
+Name=KOReader
+Comment=KOReader is a document viewer
+Exec=koreader %u
+Icon=koreader
+Terminal=false
+Type=Application
+Categories=Graphics;
+MimeType=application/pdf;application/x-cbz;application/epub+zip;image/vnd.djvu;text/plain;

platform/debian/koreader.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+export LC_ALL="en_US.UTF-8"
+
+# writable storage: ${HOME}/.config/koreader.
+export KO_MULTIUSER=1
+
+if [ -z "${1}" ]; then
+    ARGS="${HOME}"
+else
+    if [ $# -eq 1 ] && [ -e "$(pwd)/${1}" ]; then
+        ARGS="$(pwd)/${1}"
+    else
+        ARGS="${*}"
+    fi
+fi
+
+# working directory of koreader
+KOREADER_DIR="/usr/lib/koreader"
+
+# we're always starting from our working directory
+cd "${KOREADER_DIR}" || exit
+
+# export load library path
+export LD_LIBRARY_PATH=${KOREADER_DIR}/libs:$LD_LIBRARY_PATH
+
+# export external font directory
+export EXT_FONT_DIR="${HOME}/.config/koreader/fonts"
+[ ! -d "${EXT_FONT_DIR}" ] && mkdir -pv "${EXT_FONT_DIR}"
+
+RETURN_VALUE=85
+while [ $RETURN_VALUE -eq 85 ]; do
+    ./reader.lua "${ARGS}"
+    RETURN_VALUE=$?
+    # do not restart with saved arguments
+    ARGS="${HOME}"
+done
+
+# remove the flag to avoid emulator confusion
+export -n KO_MULTIUSER
+
+exit $RETURN_VALUE
+