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Raspi2-3_GenImage
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Cloner depuis https://github.com/drtyhlpr/rpi23-gen-image.git

Added: KERNEL_REDUCE - less than 128MB used space, Added: REDUCE_ parameters
Jan Wagner -
r76:50170a27d411
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@@ -0,0 +1,72
1 #
2 # Reduce system disk usage
3 #
4
5 # Load utility functions
6 . ./functions.sh
7
8 # Reduce the image size by various operations
9 if [ "$ENABLE_REDUCE" = true ] ; then
10 if [ "$REDUCE_APT" = true ] ; then
11 # Install dpkg configuration file
12 if [ "$REDUCE_DOC" = true ] || [ "$REDUCE_MAN" = true ] ; then
13 install_readonly files/dpkg/01nodoc "$R/etc/dpkg/dpkg.cfg.d/01nodoc"
14 fi
15
16 # Install APT configuration files
17 install_readonly files/apt/02nocache "$R/etc/apt/apt.conf.d/02nocache"
18 install_readonly files/apt/03compress "$R/etc/apt/apt.conf.d/03compress"
19 install_readonly files/apt/04norecommends "$R/etc/apt/apt.conf.d/04norecommends"
20
21 # Remove APT cache files
22 rm -fr "$R/var/cache/apt/pkgcache.bin"
23 rm -fr "$R/var/cache/apt/srcpkgcache.bin"
24 fi
25
26 # Remove all doc files
27 if [ "$REDUCE_DOC" = true ] ; then
28 find "$R/usr/share/doc" -depth -type f ! -name copyright | xargs rm || true
29 find "$R/usr/share/doc" -empty | xargs rmdir || true
30 fi
31
32 # Remove all man pages and info files
33 if [ "$REDUCE_MAN" = true ] ; then
34 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"
35 fi
36
37 # Remove all locale translation files
38 if [ "$REDUCE_LOCALE" = true ] ; then
39 find "$R/usr/share/locale" -mindepth 1 -maxdepth 1 ! -name 'en' | xargs rm -r
40 fi
41
42 # Remove hwdb PCI device classes (experimental)
43 if [ "$REDUCE_HWDB" = true ] ; then
44 rm -fr "/lib/udev/hwdb.d/20-pci-*"
45 fi
46
47 # Replace bash shell by dash shell (experimental)
48 if [ "$REDUCE_BASH" = true ] ; then
49 echo "Yes, do as I say!" | chroot_exec apt-get purge -qq -y --force-yes bash
50 chroot_exec update-alternatives --install /bin/bash bash /bin/dash 100
51 fi
52
53 # Remove sound utils and libraries
54 if [ "$ENABLE_SOUND" = false ] ; then
55 chroot_exec apt-get -qq -y --force-yes purge alsa-utils libsamplerate0 libasound2 libasound2-data
56 fi
57
58 # Re-install tools for managing kernel moduless
59 chroot_exec apt-get -qq -y --force-yes install module-init-tools
60
61 # Remove GPU kernels
62 if [ "$ENABLE_MINGPU" = true ] ; then
63 rm -f "$R/boot/firmware/start.elf"
64 rm -f "$R/boot/firmware/fixup.dat"
65 rm -f "$R/boot/firmware/start_x.elf"
66 rm -f "$R/boot/firmware/fixup_x.dat"
67 fi
68
69 # Clean APT list of repositories
70 rm -fr "$R/var/lib/apt/lists/*"
71 chroot_exec apt-get -qq -y update
72 fi
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@@ -131,7 +131,7 Install a user defined window manager for the X Window System. To make sure all
131 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
131 Use debootstrap script variant `minbase` which only includes essential packages and apt. This will reduce the disk usage by about 65 MB.
132
132
133 ##### `ENABLE_REDUCE`=false
133 ##### `ENABLE_REDUCE`=false
134 Reduce the disk usage by deleting all man pages and doc files (harsh). APT will be configured to use compressed package repository lists and no package caching files. If `ENABLE_MINGPU`=true unnecessary start.elf and fixup.dat files will also be removed from the boot partition. This will make it possible to generate output OS images with about 160MB of used disk space. It's recommended to use this parameter in combination with `ENABLE_MINBASE`=true.
134 Reduce the disk usage by deleting packages and files. See `REDUCE_*` parameters for detailed information.
135
135
136 ##### `ENABLE_UBOOT`=false
136 ##### `ENABLE_UBOOT`=false
137 Replace default RPi2 second stage bootloader (bootcode.bin) with U-Boot bootloader. U-Boot can boot images via the network using the BOOTP/TFTP protocol.
137 Replace default RPi2 second stage bootloader (bootcode.bin) with U-Boot bootloader. U-Boot can boot images via the network using the BOOTP/TFTP protocol.
@@ -165,6 +165,9 Path to a directory with scripts that should be run in the chroot before the ima
165 ##### `BUILD_KERNEL`=false
165 ##### `BUILD_KERNEL`=false
166 Build and install the latest RPi2 Linux kernel. Currently only the default RPi2 kernel configuration is used. Detailed configuration parameters for customizing the kernel and minor bug fixes still need to get implemented. feel free to help.
166 Build and install the latest RPi2 Linux kernel. Currently only the default RPi2 kernel configuration is used. Detailed configuration parameters for customizing the kernel and minor bug fixes still need to get implemented. feel free to help.
167
167
168 ##### `KERNEL_REDUCE`=false
169 Reduce the size of the generated kernel by removing unwanted device, network and filesystem drivers (experimental).
170
168 ##### `KERNEL_THREADS`=1
171 ##### `KERNEL_THREADS`=1
169 Number of parallel kernel building threads. If the parameter is left untouched the script will automatically determine the number of CPU cores to set the number of parallel threads to speed the kernel compilation.
172 Number of parallel kernel building threads. If the parameter is left untouched the script will automatically determine the number of CPU cores to set the number of parallel threads to speed the kernel compilation.
170
173
@@ -189,6 +192,33 Run `make bcm2709_defconfig` (and optional `make menuconfig`) to configure the k
189 ##### `KERNELSRC_PREBUILT`=false
192 ##### `KERNELSRC_PREBUILT`=false
190 With this parameter set to true the script expects the existing kernel sources directory to be already successfully cross-compiled. The parameters `KERNELSRC_CLEAN`, `KERNELSRC_CONFIG` and `KERNEL_MENUCONFIG` are ignored and no kernel compilation tasks are performed.
193 With this parameter set to true the script expects the existing kernel sources directory to be already successfully cross-compiled. The parameters `KERNELSRC_CLEAN`, `KERNELSRC_CONFIG` and `KERNEL_MENUCONFIG` are ignored and no kernel compilation tasks are performed.
191
194
195 #### Reduce disk usage:
196 The following list of parameters is ignored if `ENABLE_REDUCE`=false.
197
198 ##### `REDUCE_APT`=true
199 Configure APT to use compressed package repository lists and no package caching files.
200
201 ##### `REDUCE_DOC`=true
202 Remove all doc files (harsh). Configure APT to not include doc files on future `apt-get` package installations.
203
204 ##### `REDUCE_MAN`=true
205 Remove all man pages and info files (harsh). Configure APT to not include man pages on future `apt-get` package installations.
206
207 ##### `REDUCE_VIM`=true
208 Replace `vim-tiny` package by `levee` a tiny vim clone.
209
210 ##### `REDUCE_BASH`=false
211 Remove `bash` package and switch to `dash` shell (experimental).
212
213 ##### `REDUCE_HWDB`=true
214 Remove PCI related hwdb files (experimental).
215
216 ##### `REDUCE_SSHD`=true
217 Replace `openssh-server` with dropbear.
218
219 ##### `REDUCE_LOCALE`=true
220 Remove all `locale` translation files.
221
192 ## Understanding the script
222 ## Understanding the script
193 The functions of this script that are required for the different stages of the bootstrapping are split up into single files located inside the `bootstrap.d` directory. During the bootstrapping every script in this directory gets executed in lexicographical order:
223 The functions of this script that are required for the different stages of the bootstrapping are split up into single files located inside the `bootstrap.d` directory. During the bootstrapping every script in this directory gets executed in lexicographical order:
194
224
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@@ -7,7 +7,7
7
7
8 # Base debootstrap (unpack only)
8 # Base debootstrap (unpack only)
9 if [ "$ENABLE_MINBASE" = true ] ; then
9 if [ "$ENABLE_MINBASE" = true ] ; then
10 http_proxy=${APT_PROXY} debootstrap --arch="${RELEASE_ARCH}" --variant=minbase --foreign --include="${APT_INCLUDES}" "${RELEASE}" "$R" "http://${APT_SERVER}/debian"
10 http_proxy=${APT_PROXY} debootstrap --arch="${RELEASE_ARCH}" --foreign --variant=minbase --include="${APT_INCLUDES}" "${RELEASE}" "$R" "http://${APT_SERVER}/debian"
11 else
11 else
12 http_proxy=${APT_PROXY} debootstrap --arch="${RELEASE_ARCH}" --foreign --include="${APT_INCLUDES}" "${RELEASE}" "$R" "http://${APT_SERVER}/debian"
12 http_proxy=${APT_PROXY} debootstrap --arch="${RELEASE_ARCH}" --foreign --include="${APT_INCLUDES}" "${RELEASE}" "$R" "http://${APT_SERVER}/debian"
13 fi
13 fi
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@@ -29,7 +29,44 if [ "$BUILD_KERNEL" = true ] ; then
29 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
29 KERNEL_THREADS=$(grep -c processor /proc/cpuinfo)
30 fi
30 fi
31
31
32 # Configure and build kernel
32 if [ "$KERNELSRC_PREBUILT" = false ] ; then
33 if [ "$KERNELSRC_PREBUILT" = false ] ; then
34 # Remove device, network and filesystem drivers from kernel configuration
35 if [ "$KERNEL_REDUCE" = true ] ; then
36 make -C "$R/usr/src/linux" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
37 sed -i\
38 -e "s/\(^CONFIG_SND.*\=\).*/\1n/"\
39 -e "s/\(^CONFIG_SOUND.*\=\).*/\1n/"\
40 -e "s/\(^CONFIG_AC97.*\=\).*/\1n/"\
41 -e "s/\(^CONFIG_VIDEO_.*\=\).*/\1n/"\
42 -e "s/\(^CONFIG_MEDIA_TUNER.*\=\).*/\1n/"\
43 -e "s/\(^CONFIG_DVB.*\=\)[ym]/\1n/"\
44 -e "s/\(^CONFIG_REISERFS.*\=\).*/\1n/"\
45 -e "s/\(^CONFIG_JFS.*\=\).*/\1n/"\
46 -e "s/\(^CONFIG_XFS.*\=\).*/\1n/"\
47 -e "s/\(^CONFIG_GFS2.*\=\).*/\1n/"\
48 -e "s/\(^CONFIG_OCFS2.*\=\).*/\1n/"\
49 -e "s/\(^CONFIG_BTRFS.*\=\).*/\1n/"\
50 -e "s/\(^CONFIG_HFS.*\=\).*/\1n/"\
51 -e "s/\(^CONFIG_JFFS2.*\=\)[ym]/\1n/"\
52 -e "s/\(^CONFIG_UBIFS.*\=\).*/\1n/"\
53 -e "s/\(^CONFIG_SQUASHFS.*\=\)[ym]/\1n/"\
54 -e "s/\(^CONFIG_W1.*\=\)[ym]/\1n/"\
55 -e "s/\(^CONFIG_HAMRADIO.*\=\).*/\1n/"\
56 -e "s/\(^CONFIG_CAN.*\=\).*/\1n/"\
57 -e "s/\(^CONFIG_IRDA.*\=\).*/\1n/"\
58 -e "s/\(^CONFIG_BT_.*\=\).*/\1n/"\
59 -e "s/\(^CONFIG_WIMAX.*\=\)[ym]/\1n/"\
60 -e "s/\(^CONFIG_6LOWPAN.*\=\).*/\1n/"\
61 -e "s/\(^CONFIG_IEEE802154.*\=\).*/\1n/"\
62 -e "s/\(^CONFIG_NFC.*\=\).*/\1n/"\
63 -e "s/\(^CONFIG_FB_TFT=.*\=\).*/\1n/"\
64 -e "s/\(^CONFIG_TOUCHSCREEN.*\=\).*/\1n/"\
65 -e "s/\(^CONFIG_USB_GSPCA_.*\=\).*/\1n/"\
66 -e "s/\(^CONFIG_DRM.*\=\).*/\1n/"\
67 "$R/usr/src/linux/.config"
68 fi
69
33 if [ "$KERNELSRC_CONFIG" = true ] ; then
70 if [ "$KERNELSRC_CONFIG" = true ] ; then
34 # Load default raspberry kernel configuration
71 # Load default raspberry kernel configuration
35 make -C "$R/usr/src/linux" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
72 make -C "$R/usr/src/linux" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" "${KERNEL_DEFCONFIG}"
@@ -62,7 +99,7 if [ "$BUILD_KERNEL" = true ] ; then
62 fi
99 fi
63
100
64 # Install kernel headers
101 # Install kernel headers
65 if [ "$KERNEL_HEADERS" = true ] ; then
102 if [ "$KERNEL_HEADERS" = true ] && [ "$KERNEL_REDUCE" = false ] ; then
66 make -C "$R/usr/src/linux" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
103 make -C "$R/usr/src/linux" ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" INSTALL_HDR_PATH=../.. headers_install
67 fi
104 fi
68
105
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@@ -9,7 +9,7
9 cat files/firstboot/10-begin.sh > "$R/etc/rc.firstboot"
9 cat files/firstboot/10-begin.sh > "$R/etc/rc.firstboot"
10
10
11 # Ensure openssh server host keys are regenerated on first boot
11 # Ensure openssh server host keys are regenerated on first boot
12 if [ "$ENABLE_SSHD" = true ] ; then
12 if [ "$ENABLE_SSHD" = true ] && [ "$ENABLE_REDUCE" = false ]; then
13 cat files/firstboot/21-generate-ssh-keys.sh >> "$R/etc/rc.firstboot"
13 cat files/firstboot/21-generate-ssh-keys.sh >> "$R/etc/rc.firstboot"
14 rm -f "$R/etc/ssh/ssh_host_*"
14 rm -f "$R/etc/ssh/ssh_host_*"
15 fi
15 fi
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@@ -1,4 +1,13
1 logger -t "rc.firstboot" "Creating /etc/resolv.conf symlink"
1 logger -t "rc.firstboot" "Creating /etc/resolv.conf symlink"
2 if [ -f "/run/systemd/resolve/resolv.conf" ] ; then
2
3
4 # Check if systemd resolve directory exists
5 if [ -d "/run/systemd/resolve" ] ; then
6 # Create resolv.conf file if it does not exists
7 if [ ! -f "/run/systemd/resolve/resolv.conf" ] ; then
8 touch /run/systemd/resolve/resolv.conf
9 fi
10
11 # Create symlink to /etc/reolv.conf
3 ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf
12 ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf
4 fi
13 fi
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@@ -15,6 +15,12
15 # Copyright (C) 2015 Luca Falavigna <dktrkranz@debian.org>
15 # Copyright (C) 2015 Luca Falavigna <dktrkranz@debian.org>
16 ########################################################################
16 ########################################################################
17
17
18 # Are we running as root?
19 if [ "$(id -u)" -ne "0" ] ; then
20 echo "error: this script must be executed with root privileges!"
21 exit 1
22 fi
23
18 # Check if ./functions.sh script exists
24 # Check if ./functions.sh script exists
19 if [ ! -r "./functions.sh" ] ; then
25 if [ ! -r "./functions.sh" ] ; then
20 echo "error: './functions.sh' required script not found. please reinstall the latest script version!"
26 echo "error: './functions.sh' required script not found. please reinstall the latest script version!"
@@ -38,9 +44,10 COLLABORA_KERNEL=${COLLABORA_KERNEL:=3.18.0-trunk-rpi2}
38 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
44 KERNEL_DEFCONFIG=${KERNEL_DEFCONFIG:=bcm2709_defconfig}
39 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
45 QEMU_BINARY=${QEMU_BINARY:=/usr/bin/qemu-arm-static}
40
46
41 # Build settings
47 # Build directories
42 BASEDIR=$(pwd)/images/${RELEASE}
48 BASEDIR=$(pwd)/images/${RELEASE}
43 BUILDDIR=${BASEDIR}/build
49 BUILDDIR=${BASEDIR}/build
50 R=${BUILDDIR}/chroot
44
51
45 # General settings
52 # General settings
46 HOSTNAME=${HOSTNAME:=rpi2-${RELEASE}}
53 HOSTNAME=${HOSTNAME:=rpi2-${RELEASE}}
@@ -59,7 +66,6 XKB_OPTIONS=${XKB_OPTIONS:=""}
59 ENABLE_DHCP=${ENABLE_DHCP:=true}
66 ENABLE_DHCP=${ENABLE_DHCP:=true}
60
67
61 # Network settings (static)
68 # Network settings (static)
62 # only used on ENABLE_DHCP=false
63 NET_ADDRESS=${NET_ADDRESS:=""}
69 NET_ADDRESS=${NET_ADDRESS:=""}
64 NET_GATEWAY=${NET_GATEWAY:=""}
70 NET_GATEWAY=${NET_GATEWAY:=""}
65 NET_DNS_1=${NET_DNS_1:=""}
71 NET_DNS_1=${NET_DNS_1:=""}
@@ -98,6 +104,7 ENABLE_SPLITFS=${ENABLE_SPLITFS:=false}
98
104
99 # Kernel compilation settings
105 # Kernel compilation settings
100 BUILD_KERNEL=${BUILD_KERNEL:=false}
106 BUILD_KERNEL=${BUILD_KERNEL:=false}
107 KERNEL_REDUCE=${KERNEL_REDUCE:=false}
101 KERNEL_THREADS=${KERNEL_THREADS:=1}
108 KERNEL_THREADS=${KERNEL_THREADS:=1}
102 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
109 KERNEL_HEADERS=${KERNEL_HEADERS:=true}
103 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
110 KERNEL_MENUCONFIG=${KERNEL_MENUCONFIG:=false}
@@ -109,62 +116,40 KERNELSRC_CLEAN=${KERNELSRC_CLEAN:=false}
109 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
116 KERNELSRC_CONFIG=${KERNELSRC_CONFIG:=true}
110 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
117 KERNELSRC_PREBUILT=${KERNELSRC_PREBUILT:=false}
111
118
112 # Image chroot path
119 # Reduce disk usage settings
113 R=${BUILDDIR}/chroot
120 REDUCE_APT=${REDUCE_APT:=true}
121 REDUCE_DOC=${REDUCE_DOC:=true}
122 REDUCE_MAN=${REDUCE_MAN:=true}
123 REDUCE_VIM=${REDUCE_VIM:=true}
124 REDUCE_BASH=${REDUCE_BASH:=false}
125 REDUCE_HWDB=${REDUCE_HWDB:=true}
126 REDUCE_SSHD=${REDUCE_SSHD:=true}
127 REDUCE_LOCALE=${REDUCE_LOCALE:=true}
128
129 # Chroot scripts directory
114 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
130 CHROOT_SCRIPTS=${CHROOT_SCRIPTS:=""}
115
131
116 # Packages required for bootstrapping
117 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git-core"
118
119 # Missing packages that need to be installed
120 MISSING_PACKAGES=""
121
122 # Packages required in the chroot build environment
132 # Packages required in the chroot build environment
123 APT_INCLUDES=${APT_INCLUDES:=""}
133 APT_INCLUDES=${APT_INCLUDES:=""}
124 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo"
134 APT_INCLUDES="${APT_INCLUDES},apt-transport-https,apt-utils,ca-certificates,debian-archive-keyring,dialog,sudo"
125
135
126 set +x
136 # Packages required for bootstrapping
127
137 REQUIRED_PACKAGES="debootstrap debian-archive-keyring qemu-user-static binfmt-support dosfstools rsync bmap-tools whois git-core"
128 # Are we running as root?
138 MISSING_PACKAGES=""
129 if [ "$(id -u)" -ne "0" ] ; then
130 echo "error: this script must be executed with root privileges!"
131 exit 1
132 fi
133
134 # Check if ./bootstrap.d directory exists
135 if [ ! -d "./bootstrap.d/" ] ; then
136 echo "error: './bootstrap.d' required directory not found. please reinstall the latest script version!"
137 exit 1
138 fi
139
140 # Check if ./files directory exists
141 if [ ! -d "./files/" ] ; then
142 echo "error: './files' required directory not found. please reinstall the latest script version!"
143 exit 1
144 fi
145
146 # Check if specified KERNELSRC_DIR directory exists
147 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
148 echo "error: ${KERNELSRC_DIR} (KERNELSRC_DIR) specified directory not found!"
149 exit 1
150 fi
151
139
152 # Check if specified CHROOT_SCRIPTS directory exists
140 set +x
153 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
154 echo "error: ${CHROOT_SCRIPTS} (CHROOT_SCRIPTS) specified directory not found!"
155 exit 1
156 fi
157
141
158 # Add packages required for kernel cross compilation
142 # Add packages required for kernel cross compilation
159 if [ "$BUILD_KERNEL" = true ] ; then
143 if [ "$BUILD_KERNEL" = true ] ; then
160 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
144 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} crossbuild-essential-armhf"
145 fi
161
146
162 if [ "$KERNEL_MENUCONFIG" = true ] ; then
147 # Add libncurses5 to enable kernel menuconfig
163 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} ncurses-dev"
148 if [ "$KERNEL_MENUCONFIG" = true ] ; then
164 fi
149 REQUIRED_PACKAGES="${REQUIRED_PACKAGES} libncurses5-dev"
165 fi
150 fi
166
151
167 # Check if all required packages are installed
152 # Check if all required packages are installed on the build system
168 for package in $REQUIRED_PACKAGES ; do
153 for package in $REQUIRED_PACKAGES ; do
169 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
154 if [ "`dpkg-query -W -f='${Status}' $package`" != "install ok installed" ] ; then
170 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
155 MISSING_PACKAGES="${MISSING_PACKAGES} $package"
@@ -178,14 +163,36 if [ -n "$MISSING_PACKAGES" ] ; then
178
163
179 echo -n "\ndo you want to install the missing packages right now? [y/n] "
164 echo -n "\ndo you want to install the missing packages right now? [y/n] "
180 read confirm
165 read confirm
181 if [ "$confirm" != "y" ] ; then
166 [ "$confirm" != "y" ] && exit 1
182 exit 1
183 fi
184 fi
167 fi
185
168
186 # Make sure all required packages are installed
169 # Make sure all required packages are installed
187 apt-get -qq -y install ${REQUIRED_PACKAGES}
170 apt-get -qq -y install ${REQUIRED_PACKAGES}
188
171
172 # Check if ./bootstrap.d directory exists
173 if [ ! -d "./bootstrap.d/" ] ; then
174 echo "error: './bootstrap.d' required directory not found!"
175 exit 1
176 fi
177
178 # Check if ./files directory exists
179 if [ ! -d "./files/" ] ; then
180 echo "error: './files' required directory not found!"
181 exit 1
182 fi
183
184 # Check if specified KERNELSRC_DIR directory exists
185 if [ -n "$KERNELSRC_DIR" ] && [ ! -d "$KERNELSRC_DIR" ] ; then
186 echo "error: '${KERNELSRC_DIR}' specified directory not found (KERNELSRC_DIR)!"
187 exit 1
188 fi
189
190 # Check if specified CHROOT_SCRIPTS directory exists
191 if [ -n "$CHROOT_SCRIPTS" ] && [ ! -d "$CHROOT_SCRIPTS" ] ; then
192 echo "error: ${CHROOT_SCRIPTS} specified directory not found (CHROOT_SCRIPTS)!"
193 exit 1
194 fi
195
189 # Don't clobber an old build
196 # Don't clobber an old build
190 if [ -e "$BUILDDIR" ] ; then
197 if [ -e "$BUILDDIR" ] ; then
191 echo "error: directory ${BUILDDIR} already exists, not proceeding"
198 echo "error: directory ${BUILDDIR} already exists, not proceeding"
@@ -197,15 +204,10 mkdir -p "$R"
197
204
198 # Check if build directory has enough of free disk space >512MB
205 # Check if build directory has enough of free disk space >512MB
199 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
206 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "524288" ] ; then
200 echo "error: ${BUILDDIR} not enough space left on this partition to generate the output image!"
207 echo "error: ${BUILDDIR} not enough space left to generate the output image!"
201 exit 1
208 exit 1
202 fi
209 fi
203
210
204 # Warn if build directory has low free disk space <1024MB
205 if [ "$(df --output=avail ${BUILDDIR} | sed "1d")" -le "1048576" ] ; then
206 echo `df -h --output=avail ${BUILDDIR} | sed "1 s|.*Avail|warning: $partition is low on free space:|"`
207 fi
208
209 set -x
211 set -x
210
212
211 # Call "cleanup" function on various signals and errors
213 # Call "cleanup" function on various signals and errors
@@ -267,30 +269,45 if [ "$ENABLE_XORG" = true ] ; then
267 APT_INCLUDES="${APT_INCLUDES},xorg"
269 APT_INCLUDES="${APT_INCLUDES},xorg"
268 fi
270 fi
269
271
270 # Set KERNELSRC_CONFIG=true
272 # Replace selected packages with smaller clones
273 if [ "$ENABLE_REDUCE" = true ] ; then
274 # Add levee package instead of vim-tiny
275 if [ "$REDUCE_VIM" = true ] ; then
276 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/vim-tiny/levee/")"
277 fi
278
279 # Add dropbear package instead of openssh-server
280 if [ "$REDUCE_SSHD" = true ] ; then
281 APT_INCLUDES="$(echo ${APT_INCLUDES} | sed "s/openssh-server/dropbear/")"
282 fi
283 fi
284
285 # Configure kernel sources if no KERNELSRC_DIR
271 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
286 if [ "$BUILD_KERNEL" = true ] && [ -z "$KERNELSRC_DIR" ] ; then
272 KERNELSRC_CONFIG=true
287 KERNELSRC_CONFIG=true
273 fi
288 fi
274
289
275 ## MAIN bootstrap
290 # Configure reduced kernel
291 if [ "$KERNEL_REDUCE" = true ] ; then
292 KERNELSRC_CONFIG=false
293 fi
294
295 # Execute bootstrap scripts
276 for SCRIPT in bootstrap.d/*.sh; do
296 for SCRIPT in bootstrap.d/*.sh; do
277 # Execute bootstrap scripts (lexicographical order)
278 head -n 3 "$SCRIPT"
297 head -n 3 "$SCRIPT"
279 . "$SCRIPT"
298 . "$SCRIPT"
280 done
299 done
281
300
282 ## Custom bootstrap scripts
301 ## Execute custom bootstrap scripts
283 if [ -d "custom.d" ] ; then
302 if [ -d "custom.d" ] ; then
284 # Execute custom bootstrap scripts (lexicographical order)
285 for SCRIPT in custom.d/*.sh; do
303 for SCRIPT in custom.d/*.sh; do
286 . "$SCRIPT"
304 . "$SCRIPT"
287 done
305 done
288 fi
306 fi
289
307
290 # Invoke custom scripts
308 # Execute custom scripts inside the chroot
291 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
309 if [ -n "$CHROOT_SCRIPTS" ] && [ -d "$CHROOT_SCRIPTS" ] ; then
292 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
310 cp -r "${CHROOT_SCRIPTS}" "${R}/chroot_scripts"
293 # Execute scripts inside the chroot (lexicographical order)
294 chroot_exec /bin/bash -x <<'EOF'
311 chroot_exec /bin/bash -x <<'EOF'
295 for SCRIPT in /chroot_scripts/* ; do
312 for SCRIPT in /chroot_scripts/* ; do
296 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
313 if [ -f $SCRIPT -a -x $SCRIPT ] ; then
@@ -304,41 +321,6 fi
304 # Remove apt-utils
321 # Remove apt-utils
305 chroot_exec apt-get purge -qq -y --force-yes apt-utils
322 chroot_exec apt-get purge -qq -y --force-yes apt-utils
306
323
307 # Reduce the image size by removing and compressing
308 if [ "$ENABLE_REDUCE" = true ] ; then
309 # Install dpkg configuration fragment file
310 install_readonly files/dpkg/01nodoc "$R/etc/dpkg/dpkg.cfg.d/01nodoc"
311
312 # Install APT configuration fragment files
313 install_readonly files/apt/02nocache "$R/etc/apt/apt.conf.d/02nocache"
314 install_readonly files/apt/03compress "$R/etc/apt/apt.conf.d/03compress"
315 install_readonly files/apt/04norecommends "$R/etc/apt/apt.conf.d/04norecommends"
316
317 # Remove APT cache files
318 rm -fr "$R/var/cache/apt/pkgcache.bin"
319 rm -fr "$R/var/cache/apt/srcpkgcache.bin"
320
321 # Remove all doc and man files
322 find "$R/usr/share/doc" -depth -type f ! -name copyright | xargs rm || true
323 find "$R/usr/share/doc" -empty | xargs rmdir || true
324 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"
325
326 # Remove all translation files
327 find "$R/usr/share/locale" -mindepth 1 -maxdepth 1 ! -name 'en' | xargs rm -r
328
329 # Clean APT list of repositories
330 rm -fr "$R/var/lib/apt/lists/*"
331 chroot_exec apt-get -qq -y update
332
333 # Remove GPU kernels
334 if [ "$ENABLE_MINGPU" = true ] ; then
335 rm -f "$R/boot/firmware/start.elf"
336 rm -f "$R/boot/firmware/fixup.dat"
337 rm -f "$R/boot/firmware/start_x.elf"
338 rm -f "$R/boot/firmware/fixup_x.dat"
339 fi
340 fi
341
342 # APT Cleanup
324 # APT Cleanup
343 chroot_exec apt-get -y clean
325 chroot_exec apt-get -y clean
344 chroot_exec apt-get -y autoclean
326 chroot_exec apt-get -y autoclean
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