redxef/tarback
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Make alternative tar command settable.

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This commit is contained in:
redxef 2023-06-08 00:15:13 +02:00
parent cbd8e4cb09
commit dfb3696910
Signed by: redxef
GPG key ID: 7DAC3AA211CBD921
2 changed files with 12 additions and 6 deletions
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12
tarback.sh
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@ -12,10 +12,12 @@ TARBACK_TRANSFORM_REMOTE_ARGUMENT_COMMAND_DEFAULT=
TARBACK_TAR_CREATE_COMMAND_DEFAULT='tar c -C "$1" .' TARBACK_TAR_CREATE_COMMAND_DEFAULT='tar c -C "$1" .'
# shellcheck disable=SC2016 # disable variable not expanding hint # shellcheck disable=SC2016 # disable variable not expanding hint
TARBACK_TAR_CREATE_COMMAND_FILE_DEFAULT='tar c -C "$(dirname "$1")" "$(basename "$1")"' TARBACK_TAR_CREATE_COMMAND_FILE_DEFAULT='tar c -C "$(dirname "$1")" "$(basename "$1")"'
TARBACK_TAR_CREATE_USE_ALT_COMMAND_DEFAULT='[ ! -d "$1" ]'
# shellcheck disable=SC2016 # disable variable not expanding hint # shellcheck disable=SC2016 # disable variable not expanding hint
TARBACK_TAR_EXTRACT_COMMAND_DEFAULT='tar x -C "$1"' TARBACK_TAR_EXTRACT_COMMAND_DEFAULT='tar x -C "$1"'
# shellcheck disable=SC2016 # disable variable not expanding hint # shellcheck disable=SC2016 # disable variable not expanding hint
TARBACK_TAR_EXTRACT_COMMAND_FILE_DEFAULT='tar x -C "$(dirname "$1")"' TARBACK_TAR_EXTRACT_COMMAND_FILE_DEFAULT='tar x -C "$(dirname "$1")"'
TARBACK_TAR_EXTRACT_USE_ALT_COMMAND_DEFAULT='[ ! -e "$1" ] && [ -d "$(dirname "$1")" ]'
TARBACK_COMPRESSION_DEFAULT='xz' TARBACK_COMPRESSION_DEFAULT='xz'
TARBACK_SPLIT_DEFAULT="split -b $((128*1024*1024)) -" TARBACK_SPLIT_DEFAULT="split -b $((128*1024*1024)) -"
TARBACK_MERGE_DEFAULT='cat' TARBACK_MERGE_DEFAULT='cat'
@ -30,8 +32,10 @@ TARBACK_TRANSFORM_REMOTE_COMMAND="${TARBACK_TRANSFORM_REMOTE_COMMAND:-$TARBACK_T
TARBACK_TRANSFORM_REMOTE_ARGUMENT_COMMAND="${TARBACK_TRANSFORM_REMOTE_ARGUMENT_COMMAND:-$TARBACK_TRANSFORM_REMOTE_ARGUMENT_COMMAND_DEFAULT}" TARBACK_TRANSFORM_REMOTE_ARGUMENT_COMMAND="${TARBACK_TRANSFORM_REMOTE_ARGUMENT_COMMAND:-$TARBACK_TRANSFORM_REMOTE_ARGUMENT_COMMAND_DEFAULT}"
TARBACK_TAR_CREATE_COMMAND="${TARBACK_TAR_CREATE_COMMAND:-$TARBACK_TAR_CREATE_COMMAND_DEFAULT}" TARBACK_TAR_CREATE_COMMAND="${TARBACK_TAR_CREATE_COMMAND:-$TARBACK_TAR_CREATE_COMMAND_DEFAULT}"
TARBACK_TAR_CREATE_COMMAND_FILE="${TARBACK_TAR_CREATE_COMMAND_FILE:-$TARBACK_TAR_CREATE_COMMAND_FILE_DEFAULT}" TARBACK_TAR_CREATE_COMMAND_FILE="${TARBACK_TAR_CREATE_COMMAND_FILE:-$TARBACK_TAR_CREATE_COMMAND_FILE_DEFAULT}"
TARBACK_TAR_CREATE_USE_ALT_COMMAND="${TARBACK_TAR_CREATE_USE_ALT_COMMAND:-$TARBACK_TAR_CREATE_USE_ALT_COMMAND_DEFAULT}"
TARBACK_TAR_EXTRACT_COMMAND="${TARBACK_TAR_EXTRACT_COMMAND:-$TARBACK_TAR_EXTRACT_COMMAND_DEFAULT}" TARBACK_TAR_EXTRACT_COMMAND="${TARBACK_TAR_EXTRACT_COMMAND:-$TARBACK_TAR_EXTRACT_COMMAND_DEFAULT}"
TARBACK_TAR_EXTRACT_COMMAND_FILE="${TARBACK_TAR_EXTRACT_COMMAND_FILE:-$TARBACK_TAR_EXTRACT_COMMAND_FILE_DEFAULT}" TARBACK_TAR_EXTRACT_COMMAND_FILE="${TARBACK_TAR_EXTRACT_COMMAND_FILE:-$TARBACK_TAR_EXTRACT_COMMAND_FILE_DEFAULT}"
TARBACK_TAR_EXTRACT_USE_ALT_COMMAND="${TARBACK_TAR_EXTRACT_USE_ALT_COMMAND:-$TARBACK_TAR_EXTRACT_USE_ALT_COMMAND_DEFAULT}"
TARBACK_COMPRESSION="${TARBACK_COMPRESSION:-$TARBACK_COMPRESSION_DEFAULT}" TARBACK_COMPRESSION="${TARBACK_COMPRESSION:-$TARBACK_COMPRESSION_DEFAULT}"
TARBACK_SPLIT="${TARBACK_SPLIT:-$TARBACK_SPLIT_DEFAULT}" TARBACK_SPLIT="${TARBACK_SPLIT:-$TARBACK_SPLIT_DEFAULT}"
TARBACK_MERGE="${TARBACK_MERGE:-$TARBACK_MERGE_DEFAULT}" TARBACK_MERGE="${TARBACK_MERGE:-$TARBACK_MERGE_DEFAULT}"
@ -68,7 +72,7 @@ _create() {
# $2 ... dst # $2 ... dst
src="$1" src="$1"
dst="$(_transform_split_name "$2")" dst="$(_transform_split_name "$2")"
if [ -d "$src" ]; then if ! sh -c "$TARBACK_TAR_CREATE_USE_ALT_COMMAND" - "$src"; then
tarback_tar_create_command="$TARBACK_TAR_CREATE_COMMAND" tarback_tar_create_command="$TARBACK_TAR_CREATE_COMMAND"
else else
tarback_tar_create_command="$TARBACK_TAR_CREATE_COMMAND_FILE" tarback_tar_create_command="$TARBACK_TAR_CREATE_COMMAND_FILE"
@ -86,10 +90,10 @@ create() {
_restore() { _restore() {
src="$(_transform_split_name "$1")" src="$(_transform_split_name "$1")"
dst="$2" dst="$2"
if [ ! -e "$dst" ] && [ -d "$(dirname "$dst")" ]; then if ! sh -c "$TARBACK_TAR_EXTRACT_USE_ALT_COMMAND" - "$dst"; then
tarback_tar_extract_command="$TARBACK_TAR_EXTRACT_COMMAND_FILE"
else
tarback_tar_extract_command="$TARBACK_TAR_EXTRACT_COMMAND" tarback_tar_extract_command="$TARBACK_TAR_EXTRACT_COMMAND"
else
tarback_tar_extract_command="$TARBACK_TAR_EXTRACT_COMMAND_FILE"
fi fi
tarback_tar_extract_command="$(_transform_remote "$tarback_tar_extract_command")" tarback_tar_extract_command="$(_transform_remote "$tarback_tar_extract_command")"
$TARBACK_MERGE "$src"* \ $TARBACK_MERGE "$src"* \

6
tarback/docker.sh
View file

@ -1,5 +1,7 @@
#!/bin/sh #!/bin/sh
_tarback_plugin_docker_cmd='docker run -i --rm --workdir=/mnt --volume="$1":/mnt/"$1" alpine ' _tarback_plugin_docker_cmd='docker run -i --rm --workdir=/mnt --volume="$1":/mnt/"$1" alpine '
TARBACK_TAR_CREATE_COMMAND_FILE="$_tarback_plugin_docker_cmd "'tar c -C "/mnt/$1" .' TARBACK_TAR_CREATE_COMMAND="$_tarback_plugin_docker_cmd "'tar c -C "/mnt/$1" .'
TARBACK_TAR_EXTRACT_COMMAND_FILE="$_tarback_plugin_docker_cmd "'tar x -C "/mnt/$1"' TARBACK_TAR_EXTRACT_COMMAND="$_tarback_plugin_docker_cmd "'tar x -C "/mnt/$1"'
TARBACK_TAR_CREATE_USE_ALT_COMMAND=false
TARBACK_TAR_EXTRACT_USE_ALT_COMMAND=false