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1 | 1 | #!/bin/sh |
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2 | 2 | # This file contains utility functions used by rpi23-gen-image.sh |
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3 | 3 | |
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4 | 4 | cleanup (){ |
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5 | 5 | set +x |
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6 | 6 | set +e |
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7 | 7 | |
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8 | 8 | # Identify and kill all processes still using files |
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9 | 9 | echo "killing processes using mount point ..." |
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10 | 10 | fuser -k "${R}" |
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11 | 11 | sleep 3 |
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12 | 12 | fuser -9 -k -v "${R}" |
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13 | 13 | |
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14 | 14 | # Clean up temporary .password file |
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15 | 15 | if [ -r ".password" ] ; then |
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16 | 16 | shred -zu .password |
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17 | 17 | fi |
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18 | 18 | |
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19 | 19 | # Clean up all temporary mount points |
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20 | 20 | echo "removing temporary mount points ..." |
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21 | 21 | umount -l "${R}/proc" 2> /dev/null |
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22 | 22 | umount -l "${R}/sys" 2> /dev/null |
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23 | 23 | umount -l "${R}/dev/pts" 2> /dev/null |
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24 | 24 | umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null |
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25 | 25 | umount "$BUILDDIR/mount" 2> /dev/null |
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26 | 26 | cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null |
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27 | 27 | losetup -d "$ROOT_LOOP" 2> /dev/null |
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28 | 28 | losetup -d "$FRMW_LOOP" 2> /dev/null |
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29 | 29 | trap - 0 1 2 3 6 |
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30 | 30 | } |
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31 | 31 | |
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32 | 32 | chroot_exec() { |
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33 | 33 | # Exec command in chroot |
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34 |
LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$ |
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34 | LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$@" | |
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35 | 35 | } |
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36 | 36 | |
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37 | 37 | as_nobody() { |
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38 | 38 | # Exec command as user nobody |
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39 |
sudo -E -u nobody LANG=C LC_ALL=C "$ |
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39 | sudo -E -u nobody LANG=C LC_ALL=C "$@" | |
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40 | 40 | } |
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41 | 41 | |
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42 | 42 | install_readonly() { |
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43 | 43 | # Install file with user read-only permissions |
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44 |
install -o root -g root -m 644 "$ |
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44 | install -o root -g root -m 644 "$@" | |
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45 | 45 | } |
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46 | 46 | |
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47 | 47 | install_exec() { |
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48 | 48 | # Install file with root exec permissions |
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49 |
install -o root -g root -m 744 "$ |
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49 | install -o root -g root -m 744 "$@" | |
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50 | 50 | } |
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51 | 51 | |
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52 | 52 | use_template () { |
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53 | 53 | # Test if configuration template file exists |
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54 | 54 | if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then |
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55 | 55 | echo "error: configuration template ${CONFIG_TEMPLATE} not found" |
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56 | 56 | exit 1 |
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57 | 57 | fi |
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58 | 58 | |
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59 | 59 | # Load template configuration parameters |
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60 | 60 | . "./templates/${CONFIG_TEMPLATE}" |
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61 | 61 | } |
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62 | 62 | |
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63 | 63 | chroot_install_cc() { |
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64 | 64 | # Install c/c++ build environment inside the chroot |
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65 | 65 | if [ -z "${COMPILER_PACKAGES}" ] ; then |
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66 | 66 | COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }') |
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67 | 67 | # Install COMPILER_PACKAGES in chroot |
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68 | 68 | chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install "${COMPILER_PACKAGES}" |
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69 | 69 | fi |
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70 | 70 | } |
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71 | 71 | |
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72 | 72 | chroot_remove_cc() { |
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73 | 73 | # Remove c/c++ build environment from the chroot |
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74 | 74 | if [ -n "${COMPILER_PACKAGES}" ] ; then |
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75 | 75 | chroot_exec apt-get -qq -y --auto-remove purge "${COMPILER_PACKAGES}" |
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76 | 76 | COMPILER_PACKAGES="" |
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77 | 77 | fi |
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78 | 78 | } |
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79 | 79 | #GPL v2.0 |
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80 | 80 | #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh |
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81 | 81 | set_kernel_config() { |
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82 | 82 | # flag as $1, value to set as $2, config must exist at "./.config" |
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83 | 83 | TGT="CONFIG_${1#CONFIG_}" |
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84 | 84 | REP="${2}" |
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85 | 85 | if grep -q "^${TGT}[^_]" .config; then |
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86 | 86 | sed -i "s/^\(${TGT}=.*\|# ${TGT} is not set\)/${TGT}=${REP}/" .config |
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87 | 87 | else |
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88 | 88 | echo "${TGT}=${2}" >> .config |
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89 | 89 | fi |
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90 | 90 | } |
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91 | 91 | |
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92 | 92 | unset_kernel_config() { |
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93 | 93 | # unsets flag with the value of $1, config must exist at "./.config" |
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94 | 94 | TGT="CONFIG_${1#CONFIG_}" |
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95 | 95 | sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config |
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96 | 96 | } |
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97 | 97 | # No newline at end of file |
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