save space: --no-cache and verbose

docs/30_Configuration/30_Filetransfer.md

@@ -114,11 +114,16 @@ If your /root partition has a limited size and/ or you have a lot of files
 
 `restic_cachedir = [full path]`
 
-The default verbose of IML backup for restic is 2. During file transfer
-this shows unchanged/ new/ deleted files. Change it to a less value
-to generate less log data.
+Restic by default stores file indexes locally. To save space in `restic_cachedir`
+you can disable the file index but the backup will run much slower.
 
-`restic_verbose = 2`
+`restic_nochache = false`
+
+The default verbose of IML backup for restic is 0. 
+If you want to see unchanged/ new/ deleted files set it to "2". But This generates
+larger logs in [installdir]/logs/.
+
+`restic_verbose = 0`
 
 A file transfer can be tagged. Each restic backup gets a defined tag
 

docs/30_Configuration/50_File_transfer.job.md

@@ -247,8 +247,9 @@ bin = restic.
 ```text
 # use another cache directory than /root/.cache/restic
 restic_cachedir =  
+restic_nocache = false
 
-restic_verbose = 2
+restic_verbose = 0
 restic_tag = imlbackup
 
 restic_mountpoint = /mnt/restore

jobs/transfer.job.dist

@@ -139,8 +139,9 @@ duplicity_cachedir =
 
 # use another cache directory than /root/.cache/restic
 restic_cachedir =  
+restic_nocache = false
 
-restic_verbose = 2
+restic_verbose = 0
 restic_tag = imlbackup
 
 restic_mountpoint = /mnt/restore

plugins/transfer/restic.sh

@@ -58,8 +58,20 @@
     }
     # return a string with backup parameters that will be added to defaults
     function t_getParamBackup(){
+        local _tag
+        local _nocacheFlag
+
         # tagging
-        echo -n --tag $( _j_getvar ${STORAGEFILE} "${CFGPREFIX}tag" )
+        _tag=$( _j_getvar ${STORAGEFILE} "${CFGPREFIX}tag" )
+        if [ "$_tag" != "" ]; then
+            echo -n "--tag $_tag "
+        fi
+
+        # no cache ... to create smaller local cache dirs, but backup 3 times slower 
+        _nocacheFlag=$( _j_getvar ${STORAGEFILE} "${CFGPREFIX}nocache" )
+        if [ "$_nocacheFlag" != "" ] && [ "$_nocacheFlag" != "0" ] && [ "$_nocacheFlag" != "false" ]; then
+            echo -n "--no-cache "
+        fi
     }
 
     # return a cli parameter for a single exlude directory