Fixed df commands on Busybox.
Also replaced some spaces with tabs, as per the general coding style, and replaced the remaining xargs instances.
This commit is contained in:
koroshiya
parent
4b43fd4fb1
commit
7d3c0e21d8
160
osync.sh
160
osync.sh
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@ -690,71 +690,71 @@ function __CheckArguments {
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###### realpath.sh implementation from https://github.com/mkropat/sh-realpath
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realpath() {
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canonicalize_path "$(resolve_symlinks "$1")"
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canonicalize_path "$(resolve_symlinks "$1")"
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}
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resolve_symlinks() {
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_resolve_symlinks "$1"
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_resolve_symlinks "$1"
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}
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_resolve_symlinks() {
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_assert_no_path_cycles "$@" || return
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_assert_no_path_cycles "$@" || return
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local dir_context path
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path=$(readlink -- "$1")
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if [ $? -eq 0 ]; then
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local dir_context path
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path=$(readlink -- "$1")
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if [ $? -eq 0 ]; then
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dir_context=$(dirname -- "$1")
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_resolve_symlinks "$(_prepend_dir_context_if_necessary "$dir_context" "$path")" "$@"
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else
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else
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printf '%s\n' "$1"
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fi
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fi
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}
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_prepend_dir_context_if_necessary() {
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if [ "$1" = . ]; then
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if [ "$1" = . ]; then
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printf '%s\n' "$2"
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else
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else
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_prepend_path_if_relative "$1" "$2"
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fi
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fi
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}
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_prepend_path_if_relative() {
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case "$2" in
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case "$2" in
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/* ) printf '%s\n' "$2" ;;
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* ) printf '%s\n' "$1/$2" ;;
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esac
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esac
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}
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_assert_no_path_cycles() {
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local target path
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local target path
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target=$1
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shift
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target=$1
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shift
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for path in "$@"; do
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for path in "$@"; do
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if [ "$path" = "$target" ]; then
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return 1
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return 1
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fi
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done
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done
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}
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canonicalize_path() {
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if [ -d "$1" ]; then
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if [ -d "$1" ]; then
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_canonicalize_dir_path "$1"
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else
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else
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_canonicalize_file_path "$1"
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fi
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fi
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}
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_canonicalize_dir_path() {
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(cd "$1" 2>/dev/null && pwd -P)
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(cd "$1" 2>/dev/null && pwd -P)
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}
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_canonicalize_file_path() {
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local dir file
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dir=$(dirname -- "$1")
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file=$(basename -- "$1")
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(cd "$dir" 2>/dev/null && printf '%s/%s\n' "$(pwd -P)" "$file")
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local dir file
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dir=$(dirname -- "$1")
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file=$(basename -- "$1")
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(cd "$dir" 2>/dev/null && printf '%s/%s\n' "$(pwd -P)" "$file")
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}
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# Optionally, you may also want to include:
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@ -762,41 +762,41 @@ _canonicalize_file_path() {
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### readlink emulation ###
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readlink() {
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if _has_command readlink; then
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if _has_command readlink; then
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_system_readlink "$@"
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else
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else
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_emulated_readlink "$@"
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fi
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fi
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}
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_has_command() {
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hash -- "$1" 2>/dev/null
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hash -- "$1" 2>/dev/null
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}
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_system_readlink() {
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command readlink "$@"
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command readlink "$@"
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}
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_emulated_readlink() {
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if [ "$1" = -- ]; then
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if [ "$1" = -- ]; then
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shift
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fi
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fi
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_gnu_stat_readlink "$@" || _bsd_stat_readlink "$@"
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_gnu_stat_readlink "$@" || _bsd_stat_readlink "$@"
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}
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_gnu_stat_readlink() {
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local output
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output=$(stat -c %N -- "$1" 2>/dev/null) &&
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local output
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output=$(stat -c %N -- "$1" 2>/dev/null) &&
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printf '%s\n' "$output" |
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printf '%s\n' "$output" |
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sed "s/^‘[^’]*’ -> ‘\(.*\)’/\1/
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s/^'[^']*' -> '\(.*\)'/\1/"
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# FIXME: handle newlines
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s/^'[^']*' -> '\(.*\)'/\1/"
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# FIXME: handle newlines
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}
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_bsd_stat_readlink() {
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stat -f %Y -- "$1" 2>/dev/null
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stat -f %Y -- "$1" 2>/dev/null
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}
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###### Osync specific functions (non shared)
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@ -923,7 +923,15 @@ function _CheckDiskSpaceLocal {
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Logger "Checking minimum disk space in [$replica_path]." "NOTICE"
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local initiator_space=$(df -P "$replica_path" | tail -1 | awk '{print $4}')
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local isbusybox=$(ls --help 2>&1 | grep BusyBox)
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local pFlag=""
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if [[ $isbusybox != *"BusyBox"* ]]; then
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pFlag="-P "
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fi
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local initiator_space=$(df $pFlag"$replica_path" | tail -1 | awk '{print $4}')
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initiator_space=$(GetSpace "$initiator_space")
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if [ $initiator_space -lt $MINIMUM_SPACE ]; then
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Logger "There is not enough free space on initiator [$initiator_space KB]." "WARN"
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fi
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@ -938,7 +946,13 @@ function _CheckDiskSpaceRemote {
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CheckConnectivity3rdPartyHosts
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CheckConnectivityRemoteHost
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cmd=$SSH_CMD' "'$COMMAND_SUDO' df -P \"'$replica_path'\"" > "'$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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local isbusybox=$(echo "ls --help 2>&1 | grep BusyBox" | $SSH_CMD)
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local pFlag=""
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if [[ $isbusybox != *"BusyBox"* ]]; then
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pFlag="-P "
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fi
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cmd=$SSH_CMD' "'$COMMAND_SUDO' df $pFlag\"'$replica_path'\"" > "'$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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WaitForTaskCompletion $! 0 1800 $FUNCNAME
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@ -947,6 +961,8 @@ function _CheckDiskSpaceRemote {
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Logger "Command output:\n$(cat $RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID)" "NOTICE"
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else
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local target_space=$(cat $RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID | tail -1 | awk '{print $4}')
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target_space=$(GetSpace "$target_space")
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if [ $target_space -lt $MINIMUM_SPACE ]; then
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Logger "There is not enough free space on target [$replica_path]." "WARN"
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fi
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@ -1751,13 +1767,12 @@ function _SoftDeleteLocal {
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Logger "Removing files older than $change_time days on $replica_type replica." "NOTICE"
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fi
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if [ $_VERBOSE -eq 1 ]; then
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# Cannot launch log function from xargs, ugly hack
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$FIND_CMD "$replica_deletion_path/" -type f -mtime +$change_time -print0 | while read filename; do Logger "Command output:\nWill delete file $filename" "NOTICE"; done
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$FIND_CMD "$replica_deletion_path/" -type d -empty -mtime +$change_time -print0 | while read filename; do Logger "Command output:\nWill delete directory $filename" "NOTICE"; done
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fi
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if [ $_DRYRUN -ne 1 ]; then
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$FIND_CMD "$replica_deletion_path/" -type f -mtime +$change_time -print0 | while read filename; do rm -f "$filename" > "$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID" 2>&1 &; done
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$FIND_CMD "$replica_deletion_path/" -type d -empty -mtime +$change_time -print0 | while read filename; do rm -rf "$filename" > "$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID" 2>&1 &; done
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$FIND_CMD "$replica_deletion_path/" -type f -mtime +$change_time -print0 | while read filename; do rm -f "$filename" > "$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID" 2>&1 & done
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$FIND_CMD "$replica_deletion_path/" -type d -empty -mtime +$change_time -print0 | while read filename; do rm -rf "$filename" > "$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID" 2>&1 & done
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else
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Dummy &
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fi
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@ -1790,15 +1805,14 @@ function _SoftDeleteRemote {
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fi
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if [ $_VERBOSE -eq 1 ]; then
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# Cannot launch log function from xargs, ugly hack
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cmd=$SSH_CMD' "if [ -w \"'$replica_deletion_path'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type f -mtime +'$change_time' -print0 | xargs -0 -I {} echo Will delete file {} && '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type d -empty -mtime '$change_time' -print0 | xargs -0 -I {} echo Will delete directory {}; fi" > "'$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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cmd=$SSH_CMD' "if [ -w \"'$replica_deletion_path'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type f -mtime +'$change_time' -print0 | while read filename; do echo Will delete file $filename; done && '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type d -empty -mtime '$change_time' -print0 | while read filename; do echo Will delete directory $filename; done; fi" > "'$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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Logger "Command output:\n$(cat $RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID)" "NOTICE"
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fi
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if [ $_DRYRUN -ne 1 ]; then
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cmd=$SSH_CMD' "if [ -w \"'$replica_deletion_path'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type f -mtime +'$change_time' -print0 | xargs -0 -I {} rm -f \"{}\" && '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type d -empty -mtime '$change_time' -print0 | xargs -0 -I {} rm -rf \"{}\"; fi" > "'$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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cmd=$SSH_CMD' "if [ -w \"'$replica_deletion_path'\" ]; then '$COMMAND_SUDO' '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type f -mtime +'$change_time' -print0 | while read filename; do rm -f \"$filename\"; done && '$REMOTE_FIND_CMD' \"'$replica_deletion_path'/\" -type d -empty -mtime '$change_time' -print0 | while read filename; do rm -rf \"$filename\"; done; fi" > "'$RUN_DIR/osync.$FUNCNAME.$SCRIPT_PID'" 2>&1'
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Logger "cmd: $cmd" "DEBUG"
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eval "$cmd" &
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else
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@ -2131,18 +2145,18 @@ function Usage {
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echo -e "\e[41mWARNING: This is an unstable dev build\e[0m"
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echo "You may use Osync with a full blown configuration file, or use its default options for quick command line sync."
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echo "Usage: osync.sh /path/to/config/file [OPTIONS]"
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echo "or osync.sh --initiator=/path/to/initiator/replica --target=/path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]"
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echo "or osync.sh --initiator=/path/to/initiator/replica --target=ssh://[backupuser]@remotehost.com[:portnumber]//path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]"
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echo "or osync.sh --initiator=/path/to/initiator/replica --target=/path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]"
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echo "or osync.sh --initiator=/path/to/initiator/replica --target=ssh://[backupuser]@remotehost.com[:portnumber]//path/to/target/replica [OPTIONS] [QUICKSYNC OPTIONS]"
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echo ""
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echo "[OPTIONS]"
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echo "--dry Will run osync without actually doing anything; just testing"
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echo "--silent Will run osync without any output to stdout, used for cron jobs"
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echo "--verbose Increases output"
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echo "--stats Adds rsync transfer statistics to verbose output"
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echo "--partial Allows rsync to keep partial downloads that can be resumed later (experimental)"
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echo "--no-maxtime Disables any soft and hard execution time checks"
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echo "--force-unlock Will override any existing active or dead locks on initiator and target replica"
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echo "--on-changes Will launch a sync task after a short wait period if there is some file activity on initiator replica. You should try daemon mode instead"
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echo "--dry Will run osync without actually doing anything; just testing"
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echo "--silent Will run osync without any output to stdout, used for cron jobs"
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echo "--verbose Increases output"
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echo "--stats Adds rsync transfer statistics to verbose output"
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echo "--partial Allows rsync to keep partial downloads that can be resumed later (experimental)"
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echo "--no-maxtime Disables any soft and hard execution time checks"
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echo "--force-unlock Will override any existing active or dead locks on initiator and target replica"
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echo "--on-changes Will launch a sync task after a short wait period if there is some file activity on initiator replica. You should try daemon mode instead"
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echo ""
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echo "[QUICKSYNC OPTIONS]"
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echo "--initiator=\"\" Master replica path. Will contain state and backup directory (is mandatory)"
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@ -2200,6 +2214,34 @@ function SyncOnChanges {
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}
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#Floating point sizes may not be 100% accurate, as Busybox may round the number
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function GetSpace {
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__CheckArguments 0 $# $FUNCNAME "$*" #__WITH_PARANOIA_DEBUG
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local num=$1
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local unit="${num: -1}"
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local size="${num:0:-1}"
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case $unit in
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"K")
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awk -v size="$size" 'BEGIN{printf "%.0f", size * 1024}'
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;;
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"M")
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awk -v size="$size" 'BEGIN{printf "%.0f", size * 1024 * 1024}'
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;;
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"G")
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awk -v size="$size" 'BEGIN{printf "%.0f", size * 1024 * 1024 * 1024}'
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;;
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"T")
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awk -v size="$size" 'BEGIN{printf "%.0f", size * 1024 * 1024 * 1024 * 1024}'
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;;
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*)
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echo $num
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;;
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esac
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return 1
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}
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# Comand line argument flags
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_DRYRUN=0
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_SILENT=0
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