Update platform/linux/do_debian_package.sh

Co-authored-by: Benoit Pierre <benoit.pierre@gmail.com>

platform/linux/do_debian_package.sh

@@ -64,23 +64,22 @@ if command_exists "${COMMAND}"; then
 
     # populate debian control file
     mkdir -p "${BASE_DIR}/DEBIAN"
-    {
-        echo "Section: graphics"
-        echo "Priority: optional"
-        echo "Depends: libsdl2-2.0-0, fonts-noto-hinted, fonts-droid-fallback, libc6 (>= 2.2.3)"
-        echo "Architecture: ${DEB_ARCH}"
-        echo "Version: ${VERSION}"
-        echo "Installed-Size: $(du -ks "${BASE_DIR}/usr/" | cut -f 1)"
-        echo "Package: koreader"
-        echo "Maintainer: Martín Fdez <paziusss@gmail.com>"
-        echo "Homepage: https://koreader.rocks"
-        echo "Description: Ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats"
-        echo " KOReader is a document viewer for E Ink devices."
-        echo " Supported fileformats include EPUB, PDF, DjVu, XPS, CBT,"
-        echo " CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files."
-        echo " It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux."
-
-    } > "${BASE_DIR}/DEBIAN/control"
+    cat  >"${BASE_DIR}/DEBIAN/control" <<EOF
+Section: graphics
+Priority: optional
+Depends: libsdl2-2.0-0, fonts-noto-hinted, fonts-droid-fallback, libc6 (>= 2.2.3)
+Architecture: ${DEB_ARCH}
+Version: ${VERSION}
+Installed-Size: $(du -ks "${BASE_DIR}/usr/" | cut -f 1)
+Package: koreader
+Maintainer: Martín Fdez <paziusss@gmail.com>
+Homepage: https://koreader.rocks
+Description: Ebook reader application supporting PDF, DjVu, EPUB, FB2 and many more formats
+ KOReader is a document viewer for E Ink devices.
+ Supported fileformats include EPUB, PDF, DjVu, XPS, CBT,
+ CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files.
+ It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux.
+EOF
 
     # use absolute path to luajit in reader.lua
     sed -i 's,./luajit,/usr/lib/koreader/luajit,' "${BASE_DIR}/usr/lib/koreader/reader.lua"