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1 | 1 | # |
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2 | 2 | # Reduce system disk usage |
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3 | 3 | # |
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4 | 4 | |
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5 | 5 | # Load utility functions |
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6 | 6 | . ./functions.sh |
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7 | 7 | |
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8 | 8 | if [ "$ENABLE_IPV6" = false ] ; then |
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9 | 9 | "$LIB_DIR"/xtables/libip6t_ah.so |
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10 | 10 | "$LIB_DIR"/xtables/libip6t_dst.so |
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11 | 11 | "$LIB_DIR"/xtables/libip6t_eui64.so |
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12 | 12 | "$LIB_DIR"/xtables/libip6t_frag.so |
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13 | 13 | "$LIB_DIR"/xtables/libip6t_hbh.so |
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14 | 14 | "$LIB_DIR"/xtables/libip6t_hl.so |
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15 | 15 | "$LIB_DIR"/xtables/libip6t_HL.so |
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16 | 16 | "$LIB_DIR"/xtables/libip6t_icmp6.so |
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17 | 17 | "$LIB_DIR"/xtables/libip6t_ipv6header.so |
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18 | 18 | "$LIB_DIR"/xtables/libip6t_LOG.so |
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19 | 19 | "$LIB_DIR"/xtables/libip6t_mh.so |
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20 | 20 | "$LIB_DIR"/xtables/libip6t_REJECT.so |
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21 | 21 | "$LIB_DIR"/xtables/libip6t_rt.so |
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22 | 22 | "$LIB_DIR"/xtables/libip6t_DNAT.so |
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23 | 23 | "$LIB_DIR"/xtables/libip6t_DNPT.so |
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24 | 24 | "$LIB_DIR"/xtables/libip6t_MASQUERADE.so |
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25 | 25 | "$LIB_DIR"/xtables/libip6t_NETMAP.so |
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26 | 26 | "$LIB_DIR"/xtables/libip6t_REDIRECT.so |
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27 | 27 | "$LIB_DIR"/xtables/libip6t_SNAT.so |
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28 | 28 | "$LIB_DIR"/xtables/libip6t_SNPT.so |
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29 | 29 | fi |
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30 | 30 | # Reduce the image size by various operations |
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31 | 31 | if [ "$ENABLE_REDUCE" = true ] ; then |
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32 | 32 | if [ "$REDUCE_APT" = true ] ; then |
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33 | 33 | # Install dpkg configuration file |
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34 | 34 | if [ "$REDUCE_DOC" = true ] || [ "$REDUCE_MAN" = true ] ; then |
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35 | 35 | install_readonly files/dpkg/01nodoc "${ETC_DIR}/dpkg/dpkg.cfg.d/01nodoc" |
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36 | 36 | fi |
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37 | 37 | |
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38 | 38 | # Install APT configuration files |
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39 | 39 | install_readonly files/apt/02nocache "${ETC_DIR}/apt/apt.conf.d/02nocache" |
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40 | 40 | install_readonly files/apt/03compress "${ETC_DIR}/apt/apt.conf.d/03compress" |
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41 | 41 | install_readonly files/apt/04norecommends "${ETC_DIR}/apt/apt.conf.d/04norecommends" |
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42 | 42 | |
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43 | 43 | # Remove APT cache files |
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44 | 44 | rm -fr "${R}/var/cache/apt/pkgcache.bin" |
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45 | 45 | rm -fr "${R}/var/cache/apt/srcpkgcache.bin" |
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46 | 46 | fi |
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47 | 47 | |
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48 | 48 | # Remove all doc files |
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49 | 49 | if [ "$REDUCE_DOC" = true ] ; then |
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50 | 50 | find "${R}/usr/share/doc" -depth -type f ! -name copyright -print0 | xargs -0 rm || true |
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51 | 51 | find "${R}/usr/share/doc" -empty -print0 | xargs -0 rmdir || true |
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52 | 52 | fi |
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53 | 53 | |
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54 | 54 | # Remove all man pages and info files |
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55 | 55 | if [ "$REDUCE_MAN" = true ] ; then |
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56 | 56 | rm -rf "${R}/usr/share/man" "${R}/usr/share/groff" "${R}/usr/share/info" "${R}/usr/share/lintian" "${R}/usr/share/linda" "${R}/var/cache/man" |
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57 | 57 | fi |
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58 | 58 | |
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59 | 59 | # Remove all locale translation files |
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60 | 60 | if [ "$REDUCE_LOCALE" = true ] ; then |
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61 | 61 | find "${R}/usr/share/locale" -mindepth 1 -maxdepth 1 ! -name 'en' -print0 | xargs -0 rm -r |
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62 | 62 | fi |
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63 | 63 | |
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64 | 64 | # Remove hwdb PCI device classes (experimental) |
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65 | 65 | if [ "$REDUCE_HWDB" = true ] ; then |
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66 | 66 | rm -fr "/lib/udev/hwdb.d/20-pci-*" |
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67 | 67 | fi |
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68 | 68 | |
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69 | 69 | # Replace bash shell by dash shell (experimental) |
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70 | 70 | if [ "$REDUCE_BASH" = true ] ; then |
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71 | 71 | # Purge bash and update alternatives |
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72 | 72 | echo "Yes, do as I say!" | chroot_exec apt-get purge -qq -y --allow-remove-essential bash |
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73 | 73 | chroot_exec update-alternatives --install /bin/bash bash /bin/dash 100 |
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74 | 74 | fi |
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75 | 75 | |
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76 | 76 | # Remove sound utils and libraries |
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77 | 77 | if [ "$ENABLE_SOUND" = false ] ; then |
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78 | chroot_exec apt-get -qq -y purge alsa-utils libsamplerate0 libasound2 libasound2-data | |
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78 | if [ "$ENABLE_BLUETOOTH" = false ] ; then | |
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79 | chroot_exec apt-get -qq -y purge alsa-utils libsamplerate0 libasound2 libasound2-data | |
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80 | else | |
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81 | chroot_exec apt-get -qq -y purge alsa-utils libsamplerate0 | |
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82 | fi | |
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79 | 83 | fi |
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80 | 84 | |
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81 | 85 | # Remove GPU kernels |
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82 | 86 | if [ "$ENABLE_MINGPU" = true ] ; then |
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83 | 87 | rm -f "${BOOT_DIR}/start.elf" |
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84 | 88 | rm -f "${BOOT_DIR}/fixup.dat" |
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85 | 89 | rm -f "${BOOT_DIR}/start_x.elf" |
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86 | 90 | rm -f "${BOOT_DIR}/fixup_x.dat" |
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87 | 91 | fi |
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88 | 92 | |
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89 | 93 | # Remove kernel and initrd from /boot (already in /boot/firmware) |
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90 | 94 | if [ "$BUILD_KERNEL" = false ] ; then |
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91 | 95 | rm -f "${R}/boot/vmlinuz-*" |
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92 | 96 | rm -f "${R}/boot/initrd.img-*" |
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93 | 97 | fi |
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98 | ||
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99 | #Reduce BOOT | |
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100 | #Only necessary files for my gen pi | |
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94 | 101 | |
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95 | 102 | # Clean APT list of repositories |
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96 | 103 | rm -fr "${R}/var/lib/apt/lists/*" |
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97 | 104 | chroot_exec apt-get -qq -y update |
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98 | 105 | fi |
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