mirror of
https://github.com/erenfro/gen2stage4.git
synced 2024-09-21 03:02:52 -04:00
Bug fix for when no tar options are passed (#24)
Make tabs more consistent Remove unnecessary quotes Simplify boolean checks Quote strings for clarity Search lib*/modules/* for modules to remain compatibile with < profile 17.1 systems Remove unnecessary escape to grep RE
This commit is contained in:
Tatsh
Horea Christian
parent
085a9ada3c
commit
33ed7b3166
1 changed files with 44 additions and 65 deletions
109
mkstage4.sh
109
mkstage4.sh
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@ -1,7 +1,6 @@
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#!/bin/bash
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# checks if run as root:
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if [ "$(whoami)" != "root" ]
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if [ "$(whoami)" != 'root' ]
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then
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echo "$(basename "$0"): must be root."
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exit 1
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@ -14,7 +13,6 @@ EXCLUDE_LOST=0
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QUIET=0
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USER_EXCL=()
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S_KERNEL=0
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x86_64=0
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PARALLEL=0
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HAS_PORTAGEQ=0
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@ -23,10 +21,6 @@ then
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HAS_PORTAGEQ=1
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fi
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if [ "$(getconf LONG_BIT)" == "64" ]
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then
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x86_64=1
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fi
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USAGE="usage:\n\
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$(basename "$0") [-q -c -b -l -k -p] [-s || -t <target-mountpoint>] [-e <additional excludes dir*>] <archive-filename> [custom-tar-options]\n\
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-q: activates quiet mode (no confirmation).\n\
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@ -94,7 +88,7 @@ then
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fi
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# make sure TARGET path ends with slash
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if [[ "$TARGET" != */ ]]
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if [[ "$TARGET" != */ ]]
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then
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TARGET="${TARGET}/"
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fi
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@ -112,13 +106,13 @@ then
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fi
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# checks for quiet mode (no confirmation)
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if ((QUIET == 1))
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if ((QUIET))
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then
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AGREE="yes"
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fi
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# determines if filename was given with relative or absolute path
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if (($(grep -c '^\/' <<< "$ARCHIVE") > 0));
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if (($(grep -c '^/' <<< "$ARCHIVE") > 0))
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then
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STAGE4_FILENAME="${ARCHIVE}.tar.bz2"
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else
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@ -128,48 +122,45 @@ fi
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#Shifts pointer to read custom tar options
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shift
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mapfile -t OPTIONS <<< "$@"
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# Handle when no options are passed
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((${#OPTIONS[@]} == 1)) && [ -z "${OPTIONS[0]}" ] && unset OPTIONS
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if ((S_KERNEL == 1))
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if ((S_KERNEL))
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then
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USER_EXCL+=("--exclude=${TARGET}usr/src/*")
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if ((x86_64 == 1))
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then
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USER_EXCL+=("--exclude=${TARGET}lib64/modules/*")
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else
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USER_EXCL+=("--exclude=${TARGET}lib/modules/*")
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fi
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USER_EXCL+=("--exclude=${TARGET}lib*/modules/*")
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fi
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# Excludes:
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EXCLUDES=(
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"--exclude=${TARGET}home/*/.bash_history"
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"--exclude=${TARGET}dev/*"
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"--exclude=${TARGET}var/tmp/*"
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"--exclude=${TARGET}media/*"
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"--exclude=${TARGET}mnt/*/*"
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"--exclude=${TARGET}proc/*"
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"--exclude=${TARGET}run/*"
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"--exclude=${TARGET}sys/*"
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"--exclude=${TARGET}tmp/*"
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"--exclude=${TARGET}var/lock/*"
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"--exclude=${TARGET}var/log/*"
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"--exclude=${TARGET}var/run/*"
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"--exclude=${TARGET}var/lib/docker/*"
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"--exclude=${TARGET}home/*/.bash_history"
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"--exclude=${TARGET}dev/*"
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"--exclude=${TARGET}var/tmp/*"
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"--exclude=${TARGET}media/*"
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"--exclude=${TARGET}mnt/*/*"
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"--exclude=${TARGET}proc/*"
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"--exclude=${TARGET}run/*"
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"--exclude=${TARGET}sys/*"
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"--exclude=${TARGET}tmp/*"
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"--exclude=${TARGET}var/lock/*"
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"--exclude=${TARGET}var/log/*"
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"--exclude=${TARGET}var/run/*"
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"--exclude=${TARGET}var/lib/docker/*"
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)
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EXCLUDES_DEFAULT_PORTAGE=(
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"--exclude=${TARGET}var/db/repos/gentoo/*"
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"--exclude=${TARGET}var/cache/distfiles/*"
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"--exclude=${TARGET}usr/portage/*"
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"--exclude=${TARGET}var/db/repos/gentoo/*"
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"--exclude=${TARGET}var/cache/distfiles/*"
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"--exclude=${TARGET}usr/portage/*"
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)
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EXCLUDES+=("${USER_EXCL[@]}")
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if [ "$TARGET" == '/' ]
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then
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EXCLUDES+=("--exclude=${STAGE4_FILENAME#/}")
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if ((HAS_PORTAGEQ == 1))
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EXCLUDES+=("--exclude=$(realpath "$STAGE4_FILENAME")")
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if ((HAS_PORTAGEQ))
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then
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EXCLUDES+=("--exclude=$(portageq get_repo_path / gentoo)/*")
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EXCLUDES+=("--exclude=$(portageq distdir)/*")
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@ -177,20 +168,20 @@ then
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EXCLUDES+=("${EXCLUDES_DEFAULT_PORTAGE[@]}")
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fi
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else
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EXCLUDES+=("${EXCLUDES_DEFAULT_PORTAGE[@]}")
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EXCLUDES+=("${EXCLUDES_DEFAULT_PORTAGE[@]}")
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fi
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if ((EXCLUDE_CONNMAN == 1))
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if ((EXCLUDE_CONNMAN))
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then
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EXCLUDES+=("--exclude=${TARGET}var/lib/connman/*")
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fi
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if ((EXCLUDE_BOOT == 1))
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if ((EXCLUDE_BOOT))
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then
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EXCLUDES+=("--exclude=${TARGET}boot/*")
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fi
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if ((EXCLUDE_LOST == 1))
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if ((EXCLUDE_LOST))
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then
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EXCLUDES+=("--exclude=lost+found")
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fi
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@ -198,7 +189,7 @@ fi
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# Generic tar options:
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TAR_OPTIONS=(-cpP --ignore-failed-read "--xattrs-include='*.*'" --numeric-owner)
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if [ ${PARALLEL} -eq 1 ]
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if ((PARALLEL))
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then
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if command -v pbzip2 &>/dev/null; then
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TAR_OPTIONS+=("--use-compress-prog=pbzip2")
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@ -211,49 +202,37 @@ else
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fi
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# if not in quiet mode, this message will be displayed:
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if [[ "x$AGREE" != 'xyes' ]]
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if [[ "$AGREE" != 'yes' ]]
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then
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echo "Are you sure that you want to make a stage 4 tarball of the system"
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echo "located under the following directory?"
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echo "$TARGET"
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echo ""
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echo
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echo "WARNING: since all data is saved by default the user should exclude all"
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echo "security- or privacy-related files and directories, which are not"
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echo "already excluded by mkstage4 options (such as -c), manually per cmdline."
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echo "example: \$ $(basename "$0") -s /my-backup --exclude=/etc/ssh/ssh_host*"
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echo ""
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echo
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echo "COMMAND LINE PREVIEW:"
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echo "tar ${TAR_OPTIONS[*]} ${EXCLUDES[*]} ${OPTIONS[*]} -f $STAGE4_FILENAME ${TARGET}*"
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if ((S_KERNEL == 1))
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echo 'tar' "${TAR_OPTIONS[@]}" "${EXCLUDES[@]}" "${OPTIONS[@]}" -f "$STAGE4_FILENAME" ${TARGET}*
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if ((S_KERNEL))
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then
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echo ""
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echo "tar ${TAR_OPTIONS[*]} -f $STAGE4_FILENAME.ksrc ${TARGET}usr/src/linux-$(uname -r)*"
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if ((x86_64 == 1))
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then
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echo ""
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echo "tar ${TAR_OPTIONS[*]} -f $STAGE4_FILENAME.kmod ${TARGET}lib64/modules/$(uname -r)*"
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else
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echo ""
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echo "tar ${TAR_OPTIONS[*]} -f $STAGE4_FILENAME.kmod ${TARGET}lib/modules/$(uname -r)*"
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fi
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echo
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echo 'tar' "${TAR_OPTIONS[@]}" -f "$STAGE4_FILENAME.ksrc" "${TARGET}usr/src/linux-$(uname -r)"*
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echo 'tar' "${TAR_OPTIONS[@]}" -f "$STAGE4_FILENAME.kmod" "${TARGET}lib"*"/modules/$(uname -r)"*
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fi
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echo ""
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echo -n "Type \"yes\" to continue or anything else to quit: "
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echo
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echo -n 'Type "yes" to continue or anything else to quit: '
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read -r AGREE
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fi
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# start stage4 creation:
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if [ "$AGREE" == "yes" ]
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if [ "$AGREE" == 'yes' ]
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then
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tar "${TAR_OPTIONS[@]}" "${EXCLUDES[@]}" "${OPTIONS[@]}" -f "$STAGE4_FILENAME" ${TARGET}*
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if [ ${S_KERNEL} -eq 1 ]
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if ((S_KERNEL))
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then
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tar "${TAR_OPTIONS[@]}" -f "$STAGE4_FILENAME.ksrc" "${TARGET}usr/src/linux-$(uname -r)"*
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if [ ${x86_64} -eq 1 ]
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then
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tar "${TAR_OPTIONS[@]}" -f "$STAGE4_FILENAME.kmod" "${TARGET}lib64/modules/$(uname -r)"*
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else
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tar "${TAR_OPTIONS[@]}" -f "$STAGE4_FILENAME.kmod" "${TARGET}lib/modules/$(uname -r)"*
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fi
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tar "${TAR_OPTIONS[@]}" -f "$STAGE4_FILENAME.kmod" "${TARGET}lib"*"/modules/$(uname -r)"*
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fi
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fi
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