nc-backup: parallel compression

bin/ncp/BACKUPS/nc-backup.sh

@@ -9,6 +9,9 @@
 
 install()
 {
+  apt-get update
+  apt-get install -y --no-install-recommends pigz
+
   cat > /usr/local/bin/ncp-backup <<'EOF'
 #!/bin/bash
 set -eE
@@ -67,9 +70,9 @@ mysqldump -u root --single-transaction nextcloud > "$dbbackup"
 # files
 echo "backup files..."
 [[ "$includedata" == "yes" ]] && data="$(basename "$datadir")"
-[[ "$compress"    == "yes" ]] && z=z
+[[ "$compress"    == "yes" ]] && compress_arg="-I pigz"
 mkdir -p "$destdir"
-tar -c${z}f "$destfile" \
+tar $compress_arg -cf "$destfile" \
 \
     "$dbbackup" \
 \

bin/ncp/BACKUPS/nc-restore.sh

@@ -40,8 +40,8 @@ rm -rf "$TMPDIR" && mkdir -p "$TMPDIR"
 # EXTRACT FILES
 echo "extracting backup file $BACKUPFILE..."
 
-[[ "$BACKUPFILE" =~ ".tar.gz" ]] && z=z
-tar -x${z}f "$BACKUPFILE" -C "$TMPDIR" || exit 1
+[[ "$BACKUPFILE" =~ ".tar.gz" ]] && compress_arg="-I pigz"
+tar $compress_arg -xf "$BACKUPFILE" -C "$TMPDIR" || exit 1
 
 ## SANITY CHECKS
 [[ -d "$TMPDIR"/nextcloud ]] && [[ -f "$( ls "$TMPDIR"/nextcloud-sqlbkp_*.bak 2>/dev/null )" ]] || {

changelog.md

@@ -1,7 +1,9 @@
 
-[v1.3.10](https://github.com/nextcloud/nextcloudpi/commit/b9fd429) (2019-01-15) nc-backup: compress in place and exclude previews folder
+[v1.3.11](https://github.com/nextcloud/nextcloudpi/commit/418aa74) (2019-01-16) nc-backup: parallel compression
 
-[v1.3.9](https://github.com/nextcloud/nextcloudpi/commit/0b8252b) (2019-01-15) build: add exfat utils for external storage
+[v1.3.10](https://github.com/nextcloud/nextcloudpi/commit/2419e57) (2019-01-15) nc-backup: compress in place and exclude previews folder
+
+[v1.3.9  ](https://github.com/nextcloud/nextcloudpi/commit/0b8252b) (2019-01-15) build: add exfat utils for external storage
 
 [v1.3.8  ](https://github.com/nextcloud/nextcloudpi/commit/193d89b) (2019-01-14) nc-datadir: fix fail2ban logpath