102 lines
2.8 KiB
Bash
Executable File
102 lines
2.8 KiB
Bash
Executable File
#!/bin/sh
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## live-build(7) - System Build Scripts
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## Copyright (C) 2016-2020 The Debian Live team
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## Copyright (C) 2006-2015 Daniel Baumann <mail@daniel-baumann.ch>
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##
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## This program 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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[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
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# Setting static variables
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DESCRIPTION="Execute hooks in chroot"
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USAGE="${PROGRAM} [--force]"
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# Processing arguments and configuration files
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Init_config_data "${@}"
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Echo_message "Begin executing hooks..."
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# Requiring stage file
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Require_stagefiles config bootstrap
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# Checking stage file
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Check_stagefile
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# Acquire lock file
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Acquire_lockfile
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# Make build config available to chroot hooks. First, make the bind
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# mount and then make it read-only. This can't happen in one mount
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# command, then the resulting mount will be rw (see mount(8)). Making it
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# ro prevents modifications and prevents accidentally removing the
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# contents of the config directory when removing the chroot.
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mkdir -p chroot/live-build/config
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mount -o bind config chroot/live-build/config
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mount -o remount,ro,bind config chroot/live-build/config
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## Processing hooks
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if ls config/hooks/normal/*.chroot > /dev/null 2>&1 && (
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ls config/hooks/live/*.chroot > /dev/null 2>&1 ||
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ls config/hooks/live/*.container > /dev/null 2>&1 )
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then
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# If a systemd-nspawn hook exists check if package is installed
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if ls config/hooks/live/*.container > /dev/null 2>&1
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then
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Check_package host /usr/bin/systemd-nspawn systemd-container
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fi
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# Restoring cache
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Restore_package_cache chroot
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for HOOK in config/hooks/normal/*.chroot config/hooks/live/*.chroot config/hooks/live/*.container
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do
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if [ ! -e "${HOOK}" ]
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then
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continue
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fi
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# Copying hook
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cp "${HOOK}" chroot/root
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# Making hook executable
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if [ ! -x chroot/root/"$(basename ${HOOK})" ]
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then
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chmod +x chroot/root/"$(basename ${HOOK})"
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fi
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# Executing hook
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Echo_message "Executing hook ${HOOK}..."
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case "${HOOK}" in
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*.container)
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umount chroot/proc
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systemd-nspawn --capability=all --register=no --keep-unit -D chroot "/root/$(basename ${HOOK})" || { Echo_error "${HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;}
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mount proc-live -t proc chroot/proc
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;;
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*)
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Chroot chroot "/root/$(basename ${HOOK})" || { Echo_error "${HOOK} failed (exit non-zero). You should check for errors."; exit 1 ;}
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;;
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esac
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# Removing hook
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rm -f chroot/root/"$(basename ${HOOK})"
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done
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# Saving cache
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Save_package_cache chroot
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fi
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# Remove bind mount of build config inside chroot.
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umount chroot/live-build/config
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rmdir chroot/live-build/config
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rmdir chroot/live-build
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# Creating stage file
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Create_stagefile
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