120 lines
2.6 KiB
Bash
Executable File
120 lines
2.6 KiB
Bash
Executable File
#!/bin/sh
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# lh_binary_chroot(1) - copy chroot into chroot
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# Copyright (C) 2006-2009 Daniel Baumann <daniel@debian.org>
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#
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# live-helper comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
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# This is free software, and you are welcome to redistribute it
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# under certain conditions; see COPYING for details.
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set -e
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# Including common functions
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. "${LH_BASE:-/usr/share/live-helper}"/functions.sh
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# Setting static variables
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DESCRIPTION="$(Echo 'copy chroot into chroot')"
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HELP=""
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USAGE="${PROGRAM} [--force]"
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Arguments "${@}"
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# Reading configuration files
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Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
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Set_defaults
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Echo_message "Begin copying chroot..."
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# Requiring stage file
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Require_stagefile .stage/config .stage/bootstrap
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# Checking stage file
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Check_stagefile .stage/binary_chroot
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# Checking lock file
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Check_lockfile .lock
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# Creating lock file
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Create_lockfile .lock
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# Normally, virtual filesystems are not mounted here, but people tend to be lazy
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if [ -f chroot/proc/version ]
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then
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if [ "${LH_USE_FAKEROOT}" != "enabled" ]
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then
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${LH_ROOT_COMMAND} umount chroot/proc
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else
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rm -rf chroot/proc
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mkdir -p chroot/proc
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fi
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fi
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if [ -d chroot/sys/kernel ]
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then
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if [ "${LH_USE_FAKEROOT}" != "enabled" ]
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then
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${LH_ROOT_COMMAND} umount chroot/sys
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else
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rm -rf chroot/sys
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mkdir -p chroot/sys
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fi
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fi
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# Copying /dev if using fakeroot
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if [ "${LH_USE_FAKEROOT}" = "enabled" ]
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then
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rm -rf chroot/dev
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find /dev | cpio -dmpu chroot
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fi
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if [ "${LH_CHROOT_BUILD}" = "disabled" ]
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then
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exit 0
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fi
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if [ "${LH_CACHE}" = "enabled" ] && Find_files cache/stages_rootfs/filesystem*
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then
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exit 0
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fi
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Echo_message "This may take a while."
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# Removing old chroot
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${LH_ROOT_COMMAND} rm -rf chroot/chroot
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${LH_ROOT_COMMAND} rm -rf chroot.tmp
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# Copying new chroot
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if [ -d cache/stages_bootstrap ]
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then
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${LH_ROOT_COMMAND} mv chroot chroot.tmp
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${LH_ROOT_COMMAND} cp -a cache/stages_bootstrap chroot
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${LH_ROOT_COMMAND} mv chroot.tmp chroot/chroot
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${LH_ROOT_COMMAND} touch chroot/chroot.cache
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else
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${LH_ROOT_COMMAND} cp -a chroot chroot.tmp
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${LH_ROOT_COMMAND} mv chroot.tmp chroot/chroot
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fi
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if [ -f config/binary_rootfs/exclude ]
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then
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# Read exclude file and expand wildcards.
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for EXCLUDE in $(cat config/binary_rootfs/exclude)
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do
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if [ -e chroot/chroot/"${EXCLUDE}" ]
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then
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# Run "rm" inside the chroot so it cannot possibly remove host files.
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Chroot chroot "rm -r chroot/${EXCLUDE}"
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else
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Echo_warning "Excluded path does not exist: %s" "${EXCLUDE}"
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fi
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done
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fi
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if [ -n "${LH_ROOT_COMMAND}" ]
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then
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${LH_ROOT_COMMAND} chown -R $(whoami):$(whoami) chroot
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fi
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# Creating stage file
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Create_stagefile .stage/binary_chroot
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