Initial commit

bootstrap.d/99-reduce.sh

@@ -0,0 +1,105 @@
+#
+# Reduce system disk usage
+#
+
+# Load utility functions
+. ./functions.sh
+
+if [ "$ENABLE_IPV6" = false ] ; then
+"$LIB_DIR"/xtables/libip6t_ah.so
+"$LIB_DIR"/xtables/libip6t_dst.so
+"$LIB_DIR"/xtables/libip6t_eui64.so
+"$LIB_DIR"/xtables/libip6t_frag.so
+"$LIB_DIR"/xtables/libip6t_hbh.so
+"$LIB_DIR"/xtables/libip6t_hl.so
+"$LIB_DIR"/xtables/libip6t_HL.so
+"$LIB_DIR"/xtables/libip6t_icmp6.so
+"$LIB_DIR"/xtables/libip6t_ipv6header.so
+"$LIB_DIR"/xtables/libip6t_LOG.so
+"$LIB_DIR"/xtables/libip6t_mh.so
+"$LIB_DIR"/xtables/libip6t_REJECT.so
+"$LIB_DIR"/xtables/libip6t_rt.so
+"$LIB_DIR"/xtables/libip6t_DNAT.so
+"$LIB_DIR"/xtables/libip6t_DNPT.so
+"$LIB_DIR"/xtables/libip6t_MASQUERADE.so
+"$LIB_DIR"/xtables/libip6t_NETMAP.so
+"$LIB_DIR"/xtables/libip6t_REDIRECT.so
+"$LIB_DIR"/xtables/libip6t_SNAT.so
+"$LIB_DIR"/xtables/libip6t_SNPT.so
+fi
+# Reduce the image size by various operations
+if [ "$ENABLE_REDUCE" = true ] ; then
+  if [ "$REDUCE_APT" = true ] ; then
+    # Install dpkg configuration file
+    if [ "$REDUCE_DOC" = true ] || [ "$REDUCE_MAN" = true ] ; then
+      install_readonly files/dpkg/01nodoc "${ETC_DIR}/dpkg/dpkg.cfg.d/01nodoc"
+    fi
+
+    # Install APT configuration files
+    install_readonly files/apt/02nocache "${ETC_DIR}/apt/apt.conf.d/02nocache"
+    install_readonly files/apt/03compress "${ETC_DIR}/apt/apt.conf.d/03compress"
+    install_readonly files/apt/04norecommends "${ETC_DIR}/apt/apt.conf.d/04norecommends"
+
+    # Remove APT cache files
+    rm -fr "${R}/var/cache/apt/pkgcache.bin"
+    rm -fr "${R}/var/cache/apt/srcpkgcache.bin"
+  fi
+
+  # Remove all doc files
+  if [ "$REDUCE_DOC" = true ] ; then
+    find "${R}/usr/share/doc" -depth -type f ! -name copyright -print0 | xargs -0 rm || true
+    find "${R}/usr/share/doc" -empty -print0 | xargs -0 rmdir || true
+  fi
+
+  # Remove all man pages and info files
+  if [ "$REDUCE_MAN" = true ] ; then
+    rm -rf "${R}/usr/share/man" "${R}/usr/share/groff" "${R}/usr/share/info" "${R}/usr/share/lintian" "${R}/usr/share/linda" "${R}/var/cache/man"
+  fi
+
+  # Remove all locale translation files
+  if [ "$REDUCE_LOCALE" = true ] ; then
+    find "${R}/usr/share/locale" -mindepth 1 -maxdepth 1 ! -name 'en' -print0 | xargs -0 rm -r
+  fi
+
+  # Remove hwdb PCI device classes (experimental)
+  if [ "$REDUCE_HWDB" = true ] ; then
+    rm -fr "/lib/udev/hwdb.d/20-pci-*"
+  fi
+
+  # Replace bash shell by dash shell (experimental)
+  if [ "$REDUCE_BASH" = true ] ; then
+    # Purge bash and update alternatives
+    echo "Yes, do as I say!" | chroot_exec apt-get purge -qq -y --allow-remove-essential bash
+    chroot_exec update-alternatives --install /bin/bash bash /bin/dash 100
+  fi
+
+  # Remove sound utils and libraries
+  if [ "$ENABLE_SOUND" = false ] ; then
+	if [ "$ENABLE_BLUETOOTH" = false ] ; then
+		chroot_exec apt-get -qq -y purge alsa-utils libsamplerate0 libasound2 libasound2-data
+	else
+		chroot_exec apt-get -qq -y purge alsa-utils libsamplerate0
+	fi
+  fi
+
+  # Remove GPU kernels
+  if [ "$ENABLE_MINGPU" = true ] ; then
+    rm -f "${BOOT_DIR}/start.elf"
+    rm -f "${BOOT_DIR}/fixup.dat"
+    rm -f "${BOOT_DIR}/start_x.elf"
+    rm -f "${BOOT_DIR}/fixup_x.dat"
+  fi
+
+  # Remove kernel and initrd from /boot (already in /boot/firmware)
+  if [ "$BUILD_KERNEL" = false ] ; then
+    rm -f "${R}/boot/vmlinuz-*"
+    rm -f "${R}/boot/initrd.img-*"
+  fi
+  
+  #Reduce BOOT
+  #Only necessary files for my gen pi   
+
+  # Clean APT list of repositories
+  rm -fr "${R}/var/lib/apt/lists/*"
+  chroot_exec apt-get -qq -y update
+fi