archive : add xz conversion.

.config/bash/module/archive.sh

@@ -300,40 +300,31 @@ function archive_rm() {
 	fi
 }
 
-# Parse archive file name to get: name, date, hash and format.
-# Usage: _archive_parse <FILENAME>
-function _archive_parse() {
-	local input="${1}"
-	local name="${input%_*}"
-	local format="${input##*.}"
-	local data="${input##*_}"; data="${data%.*}"
-	local date="${data%%-*}"
-	local hash="${data##*-}"
+# Recompress previously created archive_fast with better compression.
+# Usage: archive_xz [FILES]
+function archive_xz() {
+	local targets="$(ls | grep -E ${_archive_pattern} | grep \.tgz\$)"
 
-	echo "${name}"
-	echo "${date}"
-	echo "${hash}"
-	echo "${format}"
-}
-
-# Autocomplete for archive_name function.
-# First arg is the archives list, second one is selected archive's current name.
-function _archive_name() {
+	function process() {
 		local IFS=$'\n'
-	COMPREPLY=()
+		local target="${1}"
+		local data=($(_archive_parse "${target}"))
+		local tmp="${data[0]}.txz"
 
-	local cur="${COMP_WORDS[COMP_CWORD]}"
-	local prev="${COMP_WORDS[COMP_CWORD-1]}"
-	local command="${COMP_WORDS[0]}"
-
-	if [[ "${prev}" = "${command}" ]]; then
-		COMPREPLY=( $(compgen -W "$(ls | grep -E ${_archive_pattern})" -- ${cur}) )
-		return 0
-	else
-		local name="${prev%_*}"
-		COMPREPLY=( $(compgen -W "${name}" -- ${cur}) )
-		return 0
+		# Check that old format.
+		if [[ "${data[3]}" != "tgz" ]]; then
+			echo -e "${color_bred}Not in .tgz format!${color_default}"
+			return 1
 		fi
+
+		# Recompress.
+		local hash=$(pv "${target}" | gzip -d | xz -9e | tee "${tmp}" | sha1sum | cut -d\  -f1)
+
+		# Rename.
+		mv -- "${tmp}" "${data[0]}_${data[1]}-${hash}.txz" && rm "${target}"
+	}
+
+	_iterate_targets process ${targets[@]}
 }
 
 # Extract previously created archive with checksum validation.
@@ -402,6 +393,42 @@ function unarchive() {
 	fi
 }
 
+# Parse archive file name to get: name, date, hash and format.
+# Usage: _archive_parse <FILENAME>
+function _archive_parse() {
+	local input="${1}"
+	local name="${input%_*}"
+	local format="${input##*.}"
+	local data="${input##*_}"; data="${data%.*}"
+	local date="${data%%-*}"
+	local hash="${data##*-}"
+
+	echo "${name}"
+	echo "${date}"
+	echo "${hash}"
+	echo "${format}"
+}
+
+# Autocomplete for archive_name function.
+# First arg is the archives list, second one is selected archive's current name.
+function _archive_name() {
+	local IFS=$'\n'
+	COMPREPLY=()
+
+	local cur="${COMP_WORDS[COMP_CWORD]}"
+	local prev="${COMP_WORDS[COMP_CWORD-1]}"
+	local command="${COMP_WORDS[0]}"
+
+	if [[ "${prev}" = "${command}" ]]; then
+		COMPREPLY=( $(compgen -W "$(ls | grep -E ${_archive_pattern})" -- ${cur}) )
+		return 0
+	else
+		local name="${prev%_*}"
+		COMPREPLY=( $(compgen -W "${name}" -- ${cur}) )
+		return 0
+	fi
+}
+
 # Autocomplete with archives in current dir.
 function _archive_grep() {
 	_autocomplete_grep ${_archive_pattern}

.config/bash/module/util.sh

@@ -7,3 +7,50 @@ function _core_count() {
 function _parse_ints() {
 	echo "${*}" | tr '\n' ' ' | sed -e 's/[^0-9]/ /g' -e 's/^ *//g' -e 's/ *$//g' | tr -s ' ' | sed 's/ /\n/g'
 }
+
+# Function-wrapper to iterate with specified function with provided files.
+# By default Iterates on all non-hidden files and directories.
+# Usage: _iterate_targets <FUNCTION> [FILES]
+function _iterate_targets() {
+	local IFS=$'\n'
+	local foo="${1}"
+	local targets=("${@:2}")
+	local total=${#targets[@]}
+	local count=0
+	local failed=0
+
+	# set dafult value to target all supported archives.
+	if [[ "${targets}" = "" ]]; then
+		targets=($(ls))
+		total=${#targets[@]}
+	fi
+
+	# iterate each target.
+	for target in "${targets[@]}"; do
+		# increment counter.
+		((count++))
+
+		# status info.
+		if [[ "${total}" -gt 1 ]]; then
+			local status="[${count}/${total}] ${target}"
+		else
+			local status="${target}"
+		fi
+		echo -e "${color_bwhite}${status}${color_default}"
+
+		# Call function.
+		${foo} "${target}"
+
+		# Show error.
+		if [[ ${?} != 0 ]]; then
+			((failed++))
+			echo -e "${color_bred}${status}: Failed.${color_default}"
+		fi
+	done
+
+	# Show error.
+	if [[ ${failed} != 0 ]]; then
+		echo -e "${color_bred}Failed: ${failed}.${color_default}"
+		false
+	fi
+}