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1 | 1 | # This file contains utility functions used by rpi23-gen-image.sh |
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2 | 2 | |
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3 | 3 | cleanup (){ |
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4 | 4 | set +x |
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5 | 5 | set +e |
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6 | ||
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7 | # Remove exports from nexmon | |
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8 | unset KERNEL | |
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9 | unset ARCH | |
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10 | unset SUBARCH | |
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11 | unset CCPLUGIN | |
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12 | unset ZLIBFLATE | |
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13 | unset Q | |
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14 | unset NEXMON_SETUP_ENV | |
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15 | unset HOSTUNAME | |
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16 | unset PLATFORMUNAME | |
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6 | 17 | |
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7 | 18 | # Identify and kill all processes still using files |
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8 | 19 | echo "killing processes using mount point ..." |
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9 | 20 | fuser -k "${R}" |
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10 | 21 | sleep 3 |
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11 | 22 | fuser -9 -k -v "${R}" |
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12 | 23 | |
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13 | 24 | # Clean up temporary .password file |
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14 | 25 | if [ -r ".password" ] ; then |
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15 | 26 | shred -zu .password |
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16 | 27 | fi |
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17 | 28 | |
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18 | 29 | # Clean up all temporary mount points |
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19 | 30 | echo "removing temporary mount points ..." |
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20 | 31 | umount -l "${R}/proc" 2> /dev/null |
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21 | 32 | umount -l "${R}/sys" 2> /dev/null |
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22 | 33 | umount -l "${R}/dev/pts" 2> /dev/null |
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23 | 34 | umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null |
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24 | 35 | umount "$BUILDDIR/mount" 2> /dev/null |
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25 | 36 | cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null |
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26 | 37 | losetup -d "$ROOT_LOOP" 2> /dev/null |
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27 | 38 | losetup -d "$FRMW_LOOP" 2> /dev/null |
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28 | 39 | trap - 0 1 2 3 6 |
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29 | 40 | } |
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30 | 41 | |
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31 | 42 | chroot_exec() { |
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32 | 43 | # Exec command in chroot |
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33 | 44 | LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$@" |
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34 | 45 | } |
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35 | 46 | |
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36 | 47 | as_nobody() { |
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37 | 48 | # Exec command as user nobody |
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38 | 49 | sudo -E -u nobody LANG=C LC_ALL=C "$@" |
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39 | 50 | } |
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40 | 51 | |
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41 | 52 | install_readonly() { |
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42 | 53 | # Install file with user read-only permissions |
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43 | 54 | install -o root -g root -m 644 "$@" |
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44 | 55 | } |
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45 | 56 | |
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46 | 57 | install_exec() { |
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47 | 58 | # Install file with root exec permissions |
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48 | 59 | install -o root -g root -m 744 "$@" |
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49 | 60 | } |
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50 | 61 | |
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51 | 62 | use_template () { |
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52 | 63 | # Test if configuration template file exists |
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53 | 64 | if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then |
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54 | 65 | echo "error: configuration template ${CONFIG_TEMPLATE} not found" |
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55 | 66 | exit 1 |
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56 | 67 | fi |
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57 | 68 | |
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58 | 69 | # Load template configuration parameters |
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59 | 70 | . "./templates/${CONFIG_TEMPLATE}" |
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60 | 71 | } |
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61 | 72 | |
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62 | 73 | chroot_install_cc() { |
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63 | 74 | # Install c/c++ build environment inside the chroot |
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64 | 75 | if [ -z "${COMPILER_PACKAGES}" ] ; then |
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65 | 76 | COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }') |
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66 | 77 | # Install COMPILER_PACKAGES in chroot |
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67 | 78 | chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install "${COMPILER_PACKAGES}" |
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68 | 79 | fi |
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69 | 80 | } |
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70 | 81 | |
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71 | 82 | chroot_remove_cc() { |
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72 | 83 | # Remove c/c++ build environment from the chroot |
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73 | 84 | if [ -n "${COMPILER_PACKAGES}" ] ; then |
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74 | 85 | chroot_exec apt-get -qq -y --auto-remove purge "${COMPILER_PACKAGES}" |
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75 | 86 | COMPILER_PACKAGES="" |
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76 | 87 | fi |
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77 | 88 | } |
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89 | # GPL v2.0 - #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh | |
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90 | set_kernel_config() { | |
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91 | # flag as $1, value to set as $2, config must exist at "./.config" | |
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92 | TGT="CONFIG_${1#CONFIG_}" | |
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93 | REP="${2}" | |
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94 | if grep -q "^${TGT}[^_]" .config; then | |
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95 | sed -i "s/^\(${TGT}=.*\|# ${TGT} is not set\)/${TGT}=${REP}/" .config | |
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96 | else | |
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97 | echo "${TGT}"="${2}" >> .config | |
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98 | fi | |
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99 | } | |
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100 | # unset kernel config parameter | |
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101 | unset_kernel_config() { | |
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102 | # unsets flag with the value of $1, config must exist at "./.config" | |
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103 | TGT="CONFIG_${1#CONFIG_}" | |
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104 | sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config | |
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105 | } No newline at end of file | |
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