mirror of
https://github.com/erenfro/gen2stage4.git
synced 2024-11-13 18:58:57 -05:00
Added new function
This commit is contained in:
Horea Christian
parent
1d09ebd688
commit
516ca128d9
1 changed files with 187 additions and 0 deletions
187
cpstage4.sh
Executable file
187
cpstage4.sh
Executable file
|
|
@ -0,0 +1,187 @@
|
|||
#!/usr/bin/env bash
|
||||
|
||||
# checks if run as root:
|
||||
if [ "$(whoami)" != 'root' ]
|
||||
then
|
||||
echo "$(basename "$0"): must be root."
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# set flag variables to null/default
|
||||
EXCLUDE_BOOT=0
|
||||
EXCLUDE_CONFIDENTIAL=0
|
||||
EXCLUDE_LOST=0
|
||||
QUIET=0
|
||||
HAS_PORTAGEQ=0
|
||||
|
||||
if command -v portageq &>/dev/null
|
||||
then
|
||||
HAS_PORTAGEQ=1
|
||||
fi
|
||||
|
||||
USAGE="Usage:\n\
|
||||
$(basename "$0") [-b -c -k -l -q] [-e <additional excludes dir*>] <source> <destination>\n\
|
||||
Positional Arguments:\n\
|
||||
<source>: from where to copy system files.\n\
|
||||
<destination>: where to copy system files to.\n\
|
||||
Flags:\n\
|
||||
-b: excludes boot directory.\n\
|
||||
-c: excludes some confidential files (currently only .bash_history and connman network lists).\n\
|
||||
-e: an additional excludes directory (one dir one -e, donot use it with *).\n\
|
||||
-k: separately save current kernel modules and src (creates smaller archives and saves decompression time).\n\
|
||||
-l: excludes lost+found directory.\n\
|
||||
-q: activate quiet mode (no confirmation).\n\
|
||||
-h: display help message."
|
||||
|
||||
# reads options:
|
||||
while getopts ":e:bceklqh" flag
|
||||
do
|
||||
case "$flag" in
|
||||
c)
|
||||
EXCLUDE_CONFIDENTIAL=1
|
||||
;;
|
||||
b)
|
||||
EXCLUDE_BOOT=1
|
||||
;;
|
||||
l)
|
||||
EXCLUDE_LOST=1
|
||||
;;
|
||||
e)
|
||||
USER_EXCL+=("--exclude=${OPTARG}")
|
||||
;;
|
||||
q)
|
||||
QUIET=1
|
||||
;;
|
||||
h)
|
||||
echo -e "$USAGE"
|
||||
exit 0
|
||||
;;
|
||||
\?)
|
||||
echo "Invalid option: -$OPTARG" >&2
|
||||
exit 1
|
||||
;;
|
||||
:)
|
||||
echo "Option -$OPTARG requires an argument." >&2
|
||||
exit 1
|
||||
;;
|
||||
esac
|
||||
done
|
||||
|
||||
# shifts pointer to read mandatory output file specification
|
||||
shift $((OPTIND - 1))
|
||||
SOURCE=${@:$OPTIND:1}
|
||||
DESTINATION=${@:$OPTIND+1:1}
|
||||
|
||||
if [ -z "$SOURCE" ]
|
||||
then
|
||||
echo "$(basename "$0"): no source specified."
|
||||
echo -e "$USAGE"
|
||||
exit 1
|
||||
fi
|
||||
if [ -z "$DESTINATION" ]
|
||||
then
|
||||
echo "$(basename "$0"): no source specified."
|
||||
echo -e "$USAGE"
|
||||
exit 1
|
||||
fi
|
||||
|
||||
# make sure SOURCE path ends with slash
|
||||
if [[ "$SOURCE" != */ ]]
|
||||
then
|
||||
SOURCE="${SOURCE}/"
|
||||
fi
|
||||
# make sure DESTINATION path ends with slash
|
||||
if [[ "$DESTINATION" != */ ]]
|
||||
then
|
||||
DESTINATION="${DESTINATION}/"
|
||||
fi
|
||||
|
||||
# checks for quiet mode (no confirmation)
|
||||
if ((QUIET))
|
||||
then
|
||||
AGREE="yes"
|
||||
fi
|
||||
|
||||
# Excludes:
|
||||
EXCLUDES=(
|
||||
"--exclude=${TARGET}dev/*"
|
||||
"--exclude=${TARGET}var/tmp/*"
|
||||
"--exclude=${TARGET}media/*"
|
||||
"--exclude=${TARGET}mnt/*/*"
|
||||
"--exclude=${TARGET}proc/*"
|
||||
"--exclude=${TARGET}run/*"
|
||||
"--exclude=${TARGET}sys/*"
|
||||
"--exclude=${TARGET}tmp/*"
|
||||
"--exclude=${TARGET}var/lock/*"
|
||||
"--exclude=${TARGET}var/log/*"
|
||||
"--exclude=${TARGET}var/run/*"
|
||||
"--exclude=${TARGET}var/lib/docker/*"
|
||||
)
|
||||
|
||||
EXCLUDES_DEFAULT_PORTAGE=(
|
||||
"--exclude=${TARGET}var/db/repos/gentoo/*"
|
||||
"--exclude=${TARGET}var/cache/distfiles/*"
|
||||
"--exclude=${TARGET}usr/portage/*"
|
||||
)
|
||||
|
||||
EXCLUDES+=("${USER_EXCL[@]}")
|
||||
|
||||
if [ "$TARGET" == '/' ]
|
||||
then
|
||||
EXCLUDES+=("--exclude=$(realpath "$STAGE4_FILENAME")")
|
||||
if ((HAS_PORTAGEQ))
|
||||
then
|
||||
PORTAGEQ_REPOS=$(portageq get_repos /)
|
||||
for i in ${PORTAGEQ_REPOS[@]}; do
|
||||
EXCLUDES+=("--exclude=$(portageq get_repo_path / ${i})/*")
|
||||
done
|
||||
EXCLUDES+=("--exclude=$(portageq distdir)/*")
|
||||
else
|
||||
EXCLUDES+=("${EXCLUDES_DEFAULT_PORTAGE[@]}")
|
||||
fi
|
||||
else
|
||||
EXCLUDES+=("${EXCLUDES_DEFAULT_PORTAGE[@]}")
|
||||
fi
|
||||
|
||||
if ((EXCLUDE_BOOT))
|
||||
then
|
||||
EXCLUDES+=("--exclude=${TARGET}boot/*")
|
||||
fi
|
||||
|
||||
if ((EXCLUDE_LOST))
|
||||
then
|
||||
EXCLUDES+=("--exclude=lost+found")
|
||||
fi
|
||||
|
||||
# Generic tar options:
|
||||
RSYNC_OPTIONS=(
|
||||
-avxHAXS
|
||||
--numeric-ids
|
||||
--info=progress2
|
||||
)
|
||||
|
||||
# if not in quiet mode, this message will be displayed:
|
||||
if [[ "$AGREE" != 'yes' ]]
|
||||
then
|
||||
echo "Are you sure that you want to copy system files located under"
|
||||
echo "$SOURCE"
|
||||
echo "to the following directory"
|
||||
echo "$DESTINATION"
|
||||
echo
|
||||
echo "WARNING: since all data is copied by default the user should exclude all"
|
||||
echo "security- or privacy-related files and directories, which are not"
|
||||
echo "already excluded, manually per cmdline."
|
||||
echo "example: \$ $(basename "$0") --exclude=/etc/ssh/ssh_host* <target> <destination>"
|
||||
echo
|
||||
echo "COMMAND LINE PREVIEW:"
|
||||
echo 'rsync' "${RSYNC_OPTIONS[@]}" "${EXCLUDES[@]}" "${SOURCE}" "${DESTINATION}"
|
||||
echo
|
||||
echo -n 'Type "yes" to continue or anything else to quit: '
|
||||
read -r AGREE
|
||||
fi
|
||||
|
||||
# start stage4 creation:
|
||||
if [ "$AGREE" == 'yes' ]
|
||||
then
|
||||
rsync "${RSYNC_OPTIONS[@]}" "${EXCLUDES[@]}" "${SOURCE}" "${DESTINATION}"
|
||||
fi
|
||||
Loading…
Reference in a new issue