feat: Move handler functions to separate scripts
This commit is contained in:
@@ -33,10 +33,10 @@ process_source() {
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echo -e "Processing source $uri ..."
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case "$scheme" in
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file) handler='backup_files';;
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mysql) handler='backup_mysql';;
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postgres) handler='backup_postgres';;
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sqlite) handler='backup_sqlite';;
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file) handler='handler::tar';;
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mysql) handler='handler::mysqldump';;
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postgres) handler='handler::pg_dump';;
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sqlite) handler='handler::sqlite';;
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*) echo "Error: $__user_script: Unsupported URI scheme: $scheme" >&2; exit 1;;
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esac
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@@ -62,15 +62,15 @@ process_target() {
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echo -e "Processing target $uri ..."
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case "$scheme" in
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file) handler='transfer_files';;
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ftp) handler='transfer_ftp';;
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sftp) handler='transfer_sftp';;
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rsync) handler='transfer_rsync';;
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s3) handler='transfer_s3';;
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sj) handler='transfer_sj';;
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swift) handler='transfer_swift';;
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dav) handler='transfer_dav';;
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davs) handler='transfer_davs';;
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file) handler='handler::cp';;
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ftp) handler='handler::ftp';;
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sftp) handler='handler::sftp';;
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rsync) handler='handler::rsync';;
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s3) handler='handler::s3';;
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sj) handler='handler::sj';;
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swift) handler='handler::swift';;
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dav) handler='handler::dav';;
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davs) handler='handler::davs';;
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*) echo "Error: Unsupported URI scheme: $scheme" >&2; exit 1;;
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esac
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@@ -93,211 +93,10 @@ builtin_backup() {
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done
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}
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# ---------------------------------------------------------- #
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# * Backup functions #
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# ---------------------------------------------------------- #
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backup_files() {
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# Backup local files with tar(1). Handle 'file' URI scheme.
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#
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# Usage: backup_files URI
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local uri
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local src_path
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local dst_path
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local opts
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local archive
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local compr
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local exclude
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local file_ext
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uri="$1"
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dst_path="$__main_target_path"
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parse_uri "$uri"
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if [ -f "$path" ] || [ -d "$path" ]; then
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src_path="$path"
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else
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echo "Error: Path '$path' from URI '$uri' does not exists" >&2
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exit 1
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fi
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if [[ "$src_path" == "$dst_path" ]]; then
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echo "Error: Source and destination paths is the same: $src_path; $dst_path" >&2
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exit 1
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fi
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# Exit if tar is not installed
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is_installed tar
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# Overwrire __tar_options
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if [ -n "$tar_options" ]; then
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opts="$tar_options"
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else
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opts="$__tar_options"
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fi
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# Overwrite __tar_exclude
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if [ "$tar_exclude" ]; then
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for item in "${tar_exclude[@]}"; do
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exclude+=" --exclude $item"
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done
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else
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exclude=
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fi
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# Overwrite __compression
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if [ "$compression" ]; then
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compr="$compression"
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else
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compr="$__compression"
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fi
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# Select filename extension by compression type.
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# Make sure for the `--auto-compress` is enabled in __tar_options
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# Refference: https://www.gnu.org/software/tar/manual/html_node/gzip.html
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case "$compr" in
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gzip|gz) file_ext='.tar.gz';; # gzip
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tgz) file_ext='.tgz';; # gzip
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taz) file_ext='.taz';; # gzip
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compress|Z) file_ext='.tar.Z';; # compress
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taZ) file_ext='.taZ';; # compress
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bzip2|bz2) file_ext='.tar.bz2';; # bzip2
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tz2) file_ext='.tz2';; # bzip2
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tbz2) file_ext='.tbz2';; # bzip2
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tbz) file_ext='.tbz';; # bzip2
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lzip|lz) file_ext='.tar.lz';; # lzip
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lzma) file_ext='.tar.lzma';; # lzma
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tlz) file_ext='.tlz';; # lzma
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lzop|lzo) file_ext='.tar.lzo';; # lzop
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xz) file_ext='.tar.xz';; # xz
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zstd|zst) file_ext='.tar.zst';; # zstd
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tzst) file_ext='.tzst';; # zstd
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*) file_ext='.tar.gz';; # Force gzip
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esac
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archive="${dst_path}/$(gen_backup_name "$file_ext")"
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[ "$__verbose" ] && {
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echo "Source path: $src_path"
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echo "Destination path: $dst_path"
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echo "Command: tar $exclude $opts $archive $src_path"
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}
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log "Archiving $src_path to $archive ..."
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log "Command: tar $exclude $opts $archive $src_path"
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# Run tar
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try tar "$exclude" "$opts" "$archive" "$src_path"
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# Append path to 'backups' array
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backups+=("$archive")
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}
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backup_mysql() {
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echo Not implemented >&2; exit 1
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}
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backup_postgres() {
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echo Not implemented >&2; exit 1
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}
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backup_sqlite() {
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echo Not implemented >&2; exit 1
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}
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# ---------------------------------------------------------- #
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# * Functions for targets processing #
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# ---------------------------------------------------------- #
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transfer_files() {
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# Transfer files to another location from __main_target_path using cp(1)
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#
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# Usage: transfer_files URI
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local uri
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local dst_path
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uri="$1"
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if [[ "$uri" == "$__main_target" ]]; then
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: # Do nothing. Source and destination is the same
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else
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# Copy backups to another destination
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parse_uri "$uri"
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if [ -f "$path" ] || [ -d "$path" ]; then
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dst_path="$path"
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else
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echo "Error: Path '$path' from URI '$uri' does not exists" >&2
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exit 1
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fi
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[ "$__verbose" ] && echo "Destination path: $dst_path"
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# Copy files preserving metadata
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for backup in "${backups[@]}"; do
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log "Copying file $backup to $dst_path ..."
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[ "$__verbose" ] && echo "Command: cp --archive $backup $dst_path"
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try cp --archive "$backup" "$dst_path"
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done
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fi
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}
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transfer_ftp() {
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echo Not implemented >&2; exit 1
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}
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transfer_sftp() {
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echo Not implemented >&2; exit 1
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}
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transfer_rsync() {
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echo Not implemented >&2; exit 1
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}
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transfer_s3() {
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echo Not implemented >&2; exit 1
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}
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transfer_sj() {
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echo Not implemented >&2; exit 1
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}
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transfer_swift() {
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echo Not implemented >&2; exit 1
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}
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transfer_dav() {
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echo Not implemented >&2; exit 1
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}
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transfer_davs() {
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echo Not implemented >&2; exit 1
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}
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# ---------------------------------------------------------- #
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# * Helper functions #
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# ---------------------------------------------------------- #
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is_installed() {
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# Check if the program is installed.
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# See good answer: https://stackoverflow.com/a/677212
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#
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# Usage: is_installed COMMAND
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local cmd
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cmd="$1"
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if ! command -v "$cmd" >/dev/null 2>&1; then
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echo "Error: Command $cmd not found." \
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"Please install $cmd or check your PATH if it's actually installed." >&2
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exit 1
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fi
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}
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gen_backup_name() {
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# Generate backup file name. Return (echo) string.
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#
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52
src/lib/handlers/cp.sh
Normal file
52
src/lib/handlers/cp.sh
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@@ -0,0 +1,52 @@
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#!/usr/bin/env bash
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# cp.sh - copy files to new location.
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# Copyright (c) 2022 ge <https://nixhacks.net/>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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handler::cp() {
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# Transfer files to another location from __main_target_path using cp(1)
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# Handle 'file' URI scheme.
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#
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# Usage: handler::cp URI
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local uri
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local dst_path
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uri="$1"
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if [[ "$uri" == "$__main_target" ]]; then
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: # Do nothing. Source and destination is the same
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else
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# Copy backups to another destination
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parse_uri "$uri"
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if [ -f "$path" ] || [ -d "$path" ]; then
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dst_path="$path"
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else
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echo "Error: Path '$path' from URI '$uri' does not exists" >&2
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exit 1
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fi
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[ "$__verbose" ] && echo "Destination path: $dst_path"
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# Copy files preserving metadata
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for backup in "${backups[@]}"; do
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log "Copying file $backup to $dst_path ..."
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[ "$__verbose" ] && echo "Command: cp --archive $backup $dst_path"
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try cp --archive "$backup" "$dst_path"
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done
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fi
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}
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115
src/lib/handlers/tar.sh
Normal file
115
src/lib/handlers/tar.sh
Normal file
@@ -0,0 +1,115 @@
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#!/usr/bin/env bash
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# tar.sh - backup files via tar.
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# Copyright (c) 2022 ge <https://nixhacks.net/>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <https://www.gnu.org/licenses/>.
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handler::tar() {
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# Backup local files with tar(1). Handle 'file' URI scheme.
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#
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# Usage: handler::tar URI
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local uri
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local src_path
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local dst_path
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local opts
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local archive
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local compr
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local exclude
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local file_ext
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uri="$1"
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dst_path="$__main_target_path"
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parse_uri "$uri"
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if [ -f "$path" ] || [ -d "$path" ]; then
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src_path="$path"
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else
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echo "Error: Path '$path' from URI '$uri' does not exists" >&2
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exit 1
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fi
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if [[ "$src_path" == "$dst_path" ]]; then
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echo "Error: Source and destination paths is the same: $src_path; $dst_path" >&2
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exit 1
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fi
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# Exit if tar is not installed
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is_installed tar
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# Overwrire __tar_options
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if [ -n "$tar_options" ]; then
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opts="$tar_options"
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else
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opts="$__tar_options"
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fi
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# Overwrite __tar_exclude
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if [ "$tar_exclude" ]; then
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for item in "${tar_exclude[@]}"; do
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exclude+=" --exclude $item"
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done
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else
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exclude=
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fi
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# Overwrite __compression
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if [ "$compression" ]; then
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compr="$compression"
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else
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compr="$__compression"
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fi
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# Select filename extension by compression type.
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# Make sure for the `--auto-compress` is enabled in __tar_options
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# Refference: https://www.gnu.org/software/tar/manual/html_node/gzip.html
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case "$compr" in
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gzip|gz) file_ext='.tar.gz';; # gzip
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tgz) file_ext='.tgz';; # gzip
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taz) file_ext='.taz';; # gzip
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compress|Z) file_ext='.tar.Z';; # compress
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taZ) file_ext='.taZ';; # compress
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bzip2|bz2) file_ext='.tar.bz2';; # bzip2
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tz2) file_ext='.tz2';; # bzip2
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tbz2) file_ext='.tbz2';; # bzip2
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tbz) file_ext='.tbz';; # bzip2
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lzip|lz) file_ext='.tar.lz';; # lzip
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lzma) file_ext='.tar.lzma';; # lzma
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tlz) file_ext='.tlz';; # lzma
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lzop|lzo) file_ext='.tar.lzo';; # lzop
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xz) file_ext='.tar.xz';; # xz
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zstd|zst) file_ext='.tar.zst';; # zstd
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tzst) file_ext='.tzst';; # zstd
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*) file_ext='.tar.gz';; # Force gzip
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esac
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archive="${dst_path}/$(gen_backup_name "$file_ext")"
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[ "$__verbose" ] && {
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echo "Source path: $src_path"
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echo "Destination path: $dst_path"
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echo "Command: tar $exclude $opts $archive $src_path"
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}
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log "Archiving $src_path to $archive ..."
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log "Command: tar $exclude $opts $archive $src_path"
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# Run tar
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try tar "$exclude" "$opts" "$archive" "$src_path"
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# Append path to 'backups' array
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backups+=("$archive")
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}
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Reference in New Issue
Block a user