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In between commit Refactoring
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@ -5,17 +5,7 @@
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source "$(dirname "$(readlink -f "${0}")")/base.sh" || (echo "Loading base.sh failed." && exit 1)
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info "Backupscript for memory devices started..."
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echo
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info "Actual mounted devices:"
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echo
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ls -lasi /dev/ | grep -E "sd|mm"
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echo
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while [ ! -b "$ifi" ]
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do
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info "Please select the correct device."
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question "/dev/:"
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read -r device
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ifi="/dev/$device"
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done
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set_device_path
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while [ "$path" == "" ]
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do
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echo "Bitte Backupimagepfad+Namen zu $PWD eingeben:"
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@ -27,12 +17,12 @@ while [ "$path" == "" ]
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ofi="$PWD/$path.img"
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fi
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done
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info "Input file: $ifi"
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info "Input file: $device_path"
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info "Output file: $ofi"
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question "Please confirm by pushing \"Enter\". To cancel use \"Ctrl + Alt + C\""
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read -r bestaetigung && echo "$bestaetigung";
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info "Imagetransfer starts. This can take a while..." &&
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dd if="$ifi" of="$ofi" bs=1M status=progress || error "\"dd\" failed.";
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dd if="$device_path" of="$ofi" bs=1M status=progress || error "\"dd\" failed.";
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success "Imagetransfer successfull." && exit 0;
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@ -35,3 +35,41 @@ set_device_path(){
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error "$device_path is not valid device."
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fi
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}
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make_mount_folders(){
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info "Preparing mount paths..." &&
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boot_mount_path="$working_folder_path""boot/" &&
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root_mount_path="$working_folder_path""root/" &&
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mkdir -v "$boot_mount_path" &&
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mkdir -v "$root_mount_path" ||
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error
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}
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make_working_folder(){
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working_folder_path="/tmp/raspberry-pi-tools-$(date +%s)/" &&
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info "Create temporary working folder in $working_folder_path" &&
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mkdir -v "$working_folder_path" ||
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error
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}
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mount_partitions(){
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info "Mount boot and root partition..." &&
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mount "$boot_partition_path" "$boot_mount_path" &&
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mount "$root_partition_path" "$root_mount_path" &&
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info "The following mounts refering this setup exist:" && mount | grep "$working_folder_path" ||
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error
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}
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mount_binds(){
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info "Mount chroot environments..." &&
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chroot_sys_mount_path="$root_mount_path""sys/" &&
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chroot_proc_mount_path="$root_mount_path""proc/" &&
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chroot_dev_mount_path="$root_mount_path""dev/" &&
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chroot_dev_pts_mount_path="$root_mount_path""dev/pts" &&
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mount --bind "$boot_mount_path" "$root_mount_path""/boot" &&
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mount --bind /dev "$chroot_dev_mount_path" &&
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mount --bind /sys "$chroot_sys_mount_path" &&
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mount --bind /proc "$chroot_proc_mount_path" &&
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mount --bind /dev/pts "$chroot_dev_pts_mount_path" ||
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error
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}
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@ -7,26 +7,15 @@ info "Starting chroot..."
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set_device_path
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info "Making mount dir..." &&
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mkdir -p /mnt/raspbian ||
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error
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make_working_folder
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make_mount_folders
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root_mount_path="/mnt/raspbian"
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boot_mount_path="/mnt/raspbian/boot"
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set_partition_paths
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info "Mount partitions..."
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mount -o rw "$boot_partition_path" "$boot_mount_path" ||
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mount -o rw "$root_partition_path" "$root_mount_path" &&
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error
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mount_partitions
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info "Mount binds..." &&
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mount --bind /dev "$root_mount_path/dev/" &&
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mount --bind /sys "$root_mount_path/sys/" &&
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mount --bind /proc "$root_mount_path/proc/" &&
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mount --bind /dev/pts "$root_mount_path/dev/pts" ||
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error
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mount_binds
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info "ld.so.preload fix" &&
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sed -i 's/^/#CHROOT /g' "$root_mount_path/etc/ld.so.preload" ||
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@ -18,19 +18,15 @@ destructor(){
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umount -v "$boot_mount_path" || warning "Umounting $boot_mount_path failed!"
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rmdir -v "$root_mount_path" || warning "Removing $root_mount_path failed!"
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rmdir -v "$boot_mount_path" || warning "Removing $boot_mount_path failed!"
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rmdir -v "$working_folder" || warning "Removing $working_folder failed!"
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rmdir -v "$working_folder_path" || warning "Removing $working_folder_path failed!"
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}
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info "Define variables..."
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working_folder="/tmp/raspberry-pi-tools-$(date +%s)/";
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info "Checking if root..."
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if [ "$(id -u)" != "0" ];then
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error "This script must be executed as root!"
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fi
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info "Create temporary working folder in $working_folder";
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mkdir -v "$working_folder"
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make_working_folder
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info "Configure user..."
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question "Please type in a valid username from which the SSH-Key should be copied:" && read -r origin_username;
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@ -151,21 +147,10 @@ if [[ -v image_checksum ]]
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warning "Verification is not possible. No checksum is defined."
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fi
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info "Preparing mount paths..."
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boot_mount_path="$working_folder""boot/"
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root_mount_path="$working_folder""root/"
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mkdir -v "$boot_mount_path"
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mkdir -v "$root_mount_path"
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make_mount_folders
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set_partition_paths
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mount_partitions(){
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info "Mount boot and root partition..."
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mount "$boot_partition_path" "$boot_mount_path" || error "Mount from $boot_partition_path to $boot_mount_path failed..."
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mount "$root_partition_path" "$root_mount_path" || error "Mount from $root_partition_path to $root_mount_path failed..."
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info "The following mounts refering this setup exist:" && mount | grep "$working_folder"
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}
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question "Should the image be transfered to $device_path?(y/n)" && read -r transfer_image
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if [ "$transfer_image" = "y" ]
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then
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@ -263,16 +248,8 @@ if [ -f "$origin_user_rsa_pub" ]
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fi
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info "Start chroot procedures..."
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info "Mount chroot environments..."
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chroot_sys_mount_path="$root_mount_path""sys/"
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chroot_proc_mount_path="$root_mount_path""proc/"
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chroot_dev_mount_path="$root_mount_path""dev/"
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chroot_dev_pts_mount_path="$root_mount_path""dev/pts"
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mount --bind "$boot_mount_path" "$root_mount_path""/boot" || error "Mounting $chroot_dev_mount_path failed."
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mount --bind /dev "$chroot_dev_mount_path" || error "Mounting $chroot_dev_mount_path failed."
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mount --bind /sys "$chroot_sys_mount_path" || error "Mounting $chroot_sys_mount_path failed."
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mount --bind /proc "$chroot_proc_mount_path" || error "Mounting $chroot_proc_mount_path failed."
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mount --bind /dev/pts "$chroot_dev_pts_mount_path" || error "Mounting $chroot_dev_pts_mount_path failed."
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mount_binds
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sed -i 's/^/#CHROOT /g' "$root_mount_path""etc/ld.so.preload"
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cp -v /usr/bin/qemu-arm-static "$root_mount_path""/usr/bin/" || error "Copy qemu-arm-static failed. The following packages are neccessary: qemu qemu-user-static binfmt-support."
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