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Raspi2-3_GenImage
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1 1 #!/bin/sh
2 2 # This file contains utility functions used by rpi23-gen-image.sh
3 3
4 4 cleanup (){
5 5 set +x
6 6 set +e
7 7
8 8 # Identify and kill all processes still using files
9 9 echo "killing processes using mount point ..."
10 10 fuser -k "${R}"
11 11 sleep 3
12 12 fuser -9 -k -v "${R}"
13 13
14 14 # Clean up temporary .password file
15 15 if [ -r ".password" ] ; then
16 16 shred -zu .password
17 17 fi
18 18
19 19 # Clean up all temporary mount points
20 20 echo "removing temporary mount points ..."
21 21 umount -l "${R}/proc" 2> /dev/null
22 22 umount -l "${R}/sys" 2> /dev/null
23 23 umount -l "${R}/dev/pts" 2> /dev/null
24 24 umount "$BUILDDIR/mount/boot/firmware" 2> /dev/null
25 25 umount "$BUILDDIR/mount" 2> /dev/null
26 26 cryptsetup close "${CRYPTFS_MAPPING}" 2> /dev/null
27 27 losetup -d "$ROOT_LOOP" 2> /dev/null
28 28 losetup -d "$FRMW_LOOP" 2> /dev/null
29 29 trap - 0 1 2 3 6
30 30 }
31 31
32 32 chroot_exec() {
33 33 # Exec command in chroot
34 LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot ${R} $*
34 LANG=C LC_ALL=C DEBIAN_FRONTEND=noninteractive chroot "${R}" "$*"
35 35 }
36 36
37 37 as_nobody() {
38 38 # Exec command as user nobody
39 sudo -E -u nobody LANG=C LC_ALL=C $*
39 sudo -E -u nobody LANG=C LC_ALL=C "$*"
40 40 }
41 41
42 42 install_readonly() {
43 43 # Install file with user read-only permissions
44 install -o root -g root -m 644 $*
44 install -o root -g root -m 644 "$*"
45 45 }
46 46
47 47 install_exec() {
48 48 # Install file with root exec permissions
49 install -o root -g root -m 744 $*
49 install -o root -g root -m 744 "$*"
50 50 }
51 51
52 52 use_template () {
53 53 # Test if configuration template file exists
54 54 if [ ! -r "./templates/${CONFIG_TEMPLATE}" ] ; then
55 55 echo "error: configuration template ${CONFIG_TEMPLATE} not found"
56 56 exit 1
57 57 fi
58 58
59 59 # Load template configuration parameters
60 60 . "./templates/${CONFIG_TEMPLATE}"
61 61 }
62 62
63 63 chroot_install_cc() {
64 64 # Install c/c++ build environment inside the chroot
65 65 if [ -z "${COMPILER_PACKAGES}" ] ; then
66 66 COMPILER_PACKAGES=$(chroot_exec apt-get -s install g++ make bc | grep "^Inst " | awk -v ORS=" " '{ print $2 }')
67 67 # Install COMPILER_PACKAGES in chroot
68 chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install ${COMPILER_PACKAGES}
68 chroot_exec apt-get -q -y --allow-unauthenticated --no-install-recommends install "${COMPILER_PACKAGES}"
69 69 fi
70 70 }
71 71
72 72 chroot_remove_cc() {
73 73 # Remove c/c++ build environment from the chroot
74 if [ ! -z "${COMPILER_PACKAGES}" ] ; then
75 chroot_exec apt-get -qq -y --auto-remove purge ${COMPILER_PACKAGES}
74 if [ -n "${COMPILER_PACKAGES}" ] ; then
75 chroot_exec apt-get -qq -y --auto-remove purge "${COMPILER_PACKAGES}"
76 76 COMPILER_PACKAGES=""
77 77 fi
78 78 }
79 79 #GPL v2.0
80 80 #https://github.com/sakaki-/bcmrpi3-kernel-bis/blob/master/conform_config.sh
81 81 set_kernel_config() {
82 82 # flag as $1, value to set as $2, config must exist at "./.config"
83 83 TGT="CONFIG_${1#CONFIG_}"
84 84 REP="${2}"
85 85 if grep -q "^${TGT}[^_]" .config; then
86 86 sed -i "s/^\(${TGT}=.*\|# ${TGT} is not set\)/${TGT}=${REP}/" .config
87 87 else
88 88 echo "${TGT}=${2}" >> .config
89 89 fi
90 90 }
91 91
92 92 unset_kernel_config() {
93 93 # unsets flag with the value of $1, config must exist at "./.config"
94 local TGT="CONFIG_${1#CONFIG_}"
94 TGT="CONFIG_${1#CONFIG_}"
95 95 sed -i "s/^${TGT}=.*/# ${TGT} is not set/" .config
96 96 }
97 97 #
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98
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