mirror of
https://github.com/erenfro/gen2stage4.git
synced 2024-09-21 03:02:52 -04:00
Complete code refactor of cpstage4
This commit is contained in:
parent
605d0ffea7
commit
b17a565599
SSH key fingerprint:
SHA256:1TKB8Z257L8EHK8GWNxKgMhD8a+FAR+f+j3nnlcuNVM
1 changed files with 165 additions and 139 deletions
304
cpstage4.sh
304
cpstage4.sh
|
|
@ -1,192 +1,218 @@
|
|||
#!/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_LOST=0
|
||||
QUIET=0
|
||||
HAS_PORTAGEQ=0
|
||||
optExcludeBoot=false
|
||||
optExcludeConfidential=false
|
||||
optExcludeLost=true
|
||||
optQuiet=false
|
||||
optUserExclude=()
|
||||
|
||||
if command -v portageq &>/dev/null
|
||||
then
|
||||
HAS_PORTAGEQ=1
|
||||
fi
|
||||
|
||||
USAGE="Usage:\n\
|
||||
$(basename "$0") [-b -c -k -l -q] [-e <additional excludes dir*>] <source> <destination>\n\
|
||||
Positional Arguments:\n\
|
||||
<source>: from where to copy system files.\n\
|
||||
<destination>: where to copy system files to.\n\
|
||||
Flags:\n\
|
||||
-b: excludes boot directory.\n\
|
||||
-c: excludes some confidential files (currently only .bash_history and connman network lists).\n\
|
||||
-e: an additional excludes directory (one dir one -e, donot use it with *).\n\
|
||||
-l: excludes lost+found directory.\n\
|
||||
-q: activate quiet mode (no confirmation).\n\
|
||||
-h: display this help message."
|
||||
function showHelp() {
|
||||
echo "Usage:"
|
||||
echo "$(basename "$0") [-b -c -l -q] [-s || -t <target>] [-e <exclude>...] [-i <include>...] <dest> [-- [rsync-opts]]"
|
||||
echo "Position Arguments:"
|
||||
echo " <dest> destination path to copy system files to"
|
||||
echo " [rsync-opts] additional options to pass to rsync command"
|
||||
echo
|
||||
echo "Options:"
|
||||
echo " -b excludes boot directory"
|
||||
echo " -c excludes some confidential files (currently only .bash_history and connman network lists)"
|
||||
echo " -l includes lost+found directory"
|
||||
echo " -q activates quiet mode (no confirmation)"
|
||||
echo " -s makes copy of current system"
|
||||
echo " -t <path> makes copy of system located at the <path>"
|
||||
echo " -e <exclude> an additional exclude directory (one dir one -e, do not use it with *)"
|
||||
echo " -i <include> an additional include. This has higher precedence than -e, -t, and -s"
|
||||
echo " -h display this help message."
|
||||
|
||||
if [[ "$1" -ge 0 ]]; then
|
||||
exit "$1"
|
||||
else
|
||||
exit 0
|
||||
fi
|
||||
}
|
||||
|
||||
function errorMsg() {
|
||||
local rc=0
|
||||
|
||||
if [[ "$1" -gt 0 ]]; then
|
||||
rc="$1"
|
||||
shift
|
||||
fi
|
||||
|
||||
echo "$*" >&2
|
||||
|
||||
if [[ "$rc" -gt 0 ]]; then
|
||||
exit "$rc"
|
||||
fi
|
||||
}
|
||||
|
||||
|
||||
# reads options:
|
||||
while getopts ":e:bcelqh" 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
|
||||
while [[ $# -gt 0 ]]; do
|
||||
while getopts ":t:e:i:sqcblh" flag; do
|
||||
case "$flag" in
|
||||
t) sourcePath="$OPTARG";;
|
||||
s) sourcePath="/";;
|
||||
q) optQuiet=true;;
|
||||
c) optExcludeConfidential=true;;
|
||||
b) optExcludeBoot=true;;
|
||||
l) optExcludeLost=false;;
|
||||
e) optUserExclude+=("$OPTARG");;
|
||||
i) optUserInclude+=("$OPTARG");;
|
||||
h) showHelp 0;;
|
||||
\?) errorMsg 1 "Invalid option: -$OPTARG";;
|
||||
:) errorMsg 1 "Option -$OPTARG requires an argument.";;
|
||||
esac
|
||||
done || exit 1
|
||||
|
||||
[[ $OPTIND -gt $# ]] && break # reached the end of parameters
|
||||
|
||||
shift $((OPTIND - 1)) # Free processed options so far
|
||||
OPTIND=1 # we must reset OPTIND
|
||||
if [[ -z "$targetPath" ]]; then
|
||||
targetPath=$1
|
||||
else
|
||||
rsyncArgs[${#rsyncArgs[*]}]=$1
|
||||
fi
|
||||
#args[${#args[*]}]=$1 # save first non-option argument (a.k.a. positional argument)
|
||||
shift # remove saved arg
|
||||
done
|
||||
|
||||
# shifts pointer to read mandatory output file specification
|
||||
shift $((OPTIND - 1))
|
||||
SOURCE=${1}
|
||||
DESTINATION=${2}
|
||||
|
||||
if [ -z "$SOURCE" ]
|
||||
then
|
||||
echo "$(basename "$0"): no source specified."
|
||||
echo -e "$USAGE"
|
||||
# checks if run as root:
|
||||
#if [[ "$(id -u)" -ne 0 ]]; then
|
||||
# echo "$(basename "$0"): must run as root"
|
||||
# exit 250
|
||||
#fi
|
||||
|
||||
if [[ -z "$sourcePath" ]]; then
|
||||
echo "$(basename "$0"): no source path specified"
|
||||
exit 1
|
||||
fi
|
||||
if [ -z "$DESTINATION" ]
|
||||
then
|
||||
echo "$(basename "$0"): no source specified."
|
||||
echo -e "$USAGE"
|
||||
elif [[ ! -d "$sourcePath" ]]; then
|
||||
echo "$(basename "$0"): no source path does not exist"
|
||||
exit 1
|
||||
elif [[ "$sourcePath" != */ ]]; then
|
||||
# make sure source path ends with slash
|
||||
sourcePath="${sourcePath}/"
|
||||
fi
|
||||
|
||||
# make sure SOURCE path ends with slash
|
||||
if [[ "$SOURCE" != */ ]]
|
||||
then
|
||||
SOURCE="${SOURCE}/"
|
||||
fi
|
||||
# make sure DESTINATION path ends with slash
|
||||
if [[ "$DESTINATION" != */ ]]
|
||||
then
|
||||
DESTINATION="${DESTINATION}/"
|
||||
fi
|
||||
|
||||
# checks for quiet mode (no confirmation)
|
||||
if ((QUIET))
|
||||
then
|
||||
AGREE="yes"
|
||||
if [[ -z "$targetPath" ]]; then
|
||||
echo "$(basename "$0"): no destination path specified"
|
||||
exit 1
|
||||
elif [[ ! -d "$targetPath" ]]; then
|
||||
echo "$(basename "$0"): destination path (\`$targetPath\`) does not exist"
|
||||
exit 1
|
||||
elif [[ "$targetPath" != */ ]]; then
|
||||
# make sure destination path ends with slash
|
||||
targetPath="${targetPath}/"
|
||||
fi
|
||||
|
||||
# Excludes:
|
||||
EXCLUDES=(
|
||||
"--exclude=${SOURCE}dev/*"
|
||||
"--exclude=${SOURCE}var/tmp/*"
|
||||
"--exclude=${SOURCE}media/*"
|
||||
"--exclude=${SOURCE}mnt/*/*"
|
||||
"--exclude=${SOURCE}proc/*"
|
||||
"--exclude=${SOURCE}run/*"
|
||||
"--exclude=${SOURCE}sys/*"
|
||||
"--exclude=${SOURCE}tmp/*"
|
||||
"--exclude=${SOURCE}var/lock/*"
|
||||
"--exclude=${SOURCE}var/log/*"
|
||||
"--exclude=${SOURCE}var/run/*"
|
||||
"--exclude=${SOURCE}var/lib/docker/*"
|
||||
syncExcludes=(
|
||||
"dev/*"
|
||||
"var/tmp/*"
|
||||
"media/*"
|
||||
"mnt/*/*"
|
||||
"proc/*"
|
||||
"run/*"
|
||||
"sys/*"
|
||||
"tmp/*"
|
||||
"var/lock/*"
|
||||
"var/log/*"
|
||||
"var/run/*"
|
||||
"var/lib/docker/*"
|
||||
"var/lib/containers/*"
|
||||
"var/lib/machines/*"
|
||||
"var/lib/libvirt/*"
|
||||
"var/lib/lxd/*"
|
||||
"home/*/*"
|
||||
)
|
||||
|
||||
EXCLUDES_DEFAULT_PORTAGE=(
|
||||
"--exclude=${SOURCE}var/db/repos/gentoo/*"
|
||||
"--exclude=${SOURCE}var/cache/distfiles/*"
|
||||
"--exclude=${SOURCE}usr/portage/*"
|
||||
#EXCLUDES_DEFAULT_PORTAGE=(
|
||||
syncExcludesPortage=(
|
||||
"var/db/repos/*/*"
|
||||
"var/cache/distfiles/*"
|
||||
"var/cache/binpkgs/*"
|
||||
"usr/portage/*"
|
||||
)
|
||||
|
||||
EXCLUDES+=("${USER_EXCL[@]}")
|
||||
syncIncludes=(
|
||||
"dev/console"
|
||||
"dev/null"
|
||||
"var/db/pkg/*"
|
||||
)
|
||||
|
||||
if [ "$SOURCE" == '/' ]
|
||||
then
|
||||
if ((HAS_PORTAGEQ))
|
||||
then
|
||||
PORTAGEQ_REPOS=$(portageq get_repos /)
|
||||
for i in ${PORTAGEQ_REPOS}; do
|
||||
REPO_PATH=$(portageq get_repo_path / "${i}")
|
||||
EXCLUDES+=("--exclude=${REPO_PATH}/*")
|
||||
syncExcludes=("${syncExcludes[@]/#/"$sourcePath"}")
|
||||
syncIncludes=("${syncIncludes[@]/#/"$sourcePath"}")
|
||||
|
||||
if [[ "$sourcePath" == '/' ]]; then
|
||||
if command -v portageq &>/dev/null; then
|
||||
portageRepos=$(portageq get_repos /)
|
||||
for i in ${portageRepos}; do
|
||||
repoPath=$(portageq get_repo_path / "${i}")
|
||||
syncExcludes+=("${repoPath}/*")
|
||||
done
|
||||
EXCLUDES+=("--exclude=$(portageq distdir)/*")
|
||||
syncExcludes+=("$(portageq distdir)/*")
|
||||
syncExcludes+=("$(portageq pkgdir)/*")
|
||||
else
|
||||
EXCLUDES+=("${EXCLUDES_DEFAULT_PORTAGE[@]}")
|
||||
syncExcludes+=("${syncExcludesPortage[@]/#/"/"}")
|
||||
fi
|
||||
else
|
||||
EXCLUDES+=("${EXCLUDES_DEFAULT_PORTAGE[@]}")
|
||||
syncExcludes+=("${syncExcludesPortage[@]/#/"$sourcePath"}")
|
||||
fi
|
||||
|
||||
if ((EXCLUDE_BOOT))
|
||||
then
|
||||
EXCLUDES+=("--exclude=${SOURCE}boot/*")
|
||||
if $optExcludeConfidential; then
|
||||
syncExcludes+=("${sourcePath}home/*/.bash_history")
|
||||
syncExcludes+=("${sourcePath}root/.bash_history")
|
||||
syncExcludes+=("${sourcePath}var/lib/connman/*")
|
||||
fi
|
||||
|
||||
if ((EXCLUDE_CONFIDENTIAL))
|
||||
then
|
||||
EXCLUDES+=("--exclude=${SOURCE}home/*/.bash_history")
|
||||
EXCLUDES+=("--exclude=${SOURCE}root/.bash_history")
|
||||
EXCLUDES+=("--exclude=${SOURCE}var/lib/connman/*")
|
||||
if $optExcludeBoot; then
|
||||
syncExcludes+=("${sourcePath}boot/*")
|
||||
fi
|
||||
|
||||
if ((EXCLUDE_LOST))
|
||||
then
|
||||
EXCLUDES+=("--exclude=lost+found")
|
||||
if $optExcludeLost; then
|
||||
syncExcludes+=("lost+found")
|
||||
fi
|
||||
|
||||
# Generic tar options:
|
||||
RSYNC_OPTIONS=(
|
||||
syncExcludes+=("${optUserExclude[@]}")
|
||||
syncIncludes+=("${optUserInclude[@]}")
|
||||
|
||||
# Generic rsync options:
|
||||
rsyncOptions=(
|
||||
-avxHAXS
|
||||
--numeric-ids
|
||||
"--info=progress2"
|
||||
)
|
||||
)
|
||||
|
||||
rsyncOptions+=("${rsyncArgs[@]}")
|
||||
|
||||
# if not in quiet mode, this message will be displayed:
|
||||
if [[ "$AGREE" != 'yes' ]]
|
||||
then
|
||||
if ! $optQuiet; then
|
||||
echo "Are you sure that you want to copy system files located under"
|
||||
echo "$SOURCE"
|
||||
echo "$sourcePath"
|
||||
echo "to the following directory"
|
||||
echo "$DESTINATION"
|
||||
echo "$targetPath"
|
||||
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* <source> <destination>"
|
||||
echo "example: \$ $(basename "$0") -s -e \"/etc/ssh/ssh_host*\" <destination>"
|
||||
echo
|
||||
echo "COMMAND LINE PREVIEW:"
|
||||
echo 'rsync' "${RSYNC_OPTIONS[@]}" "${EXCLUDES[@]}" "${SOURCE}" "${DESTINATION}"
|
||||
echo 'rsync' "${rsyncOptions[@]}" "${syncIncludes[@]/#/--include=}" "${syncExcludes[@]/#/--exclude=}" "$sourcePath" "$targetPath"
|
||||
echo
|
||||
echo -n 'Type "yes" to continue or anything else to quit: '
|
||||
read -r AGREE
|
||||
read -r promptAgree
|
||||
if [[ "${promptAgree,,}" == "yes" ]]; then
|
||||
optQuiet=true
|
||||
fi
|
||||
fi
|
||||
|
||||
# start stage4 creation:
|
||||
if [ "$AGREE" == 'yes' ]
|
||||
then
|
||||
rsync "${RSYNC_OPTIONS[@]}" "${EXCLUDES[@]}" "${SOURCE}" "${DESTINATION}"
|
||||
if $optQuiet; then
|
||||
echo "Would've worked"
|
||||
#rsync "${rsyncOptions[@]}" "${syncExcludes[@]/#/--exclude=}" "$sourcePath" "$targetPath"
|
||||
fi
|
||||
|
|
|
|||
Loading…
Reference in a new issue