rsync - Jan 2014 - Using rsync filter to include specific, deep subdirectories under source path?

I'm trying to get rsync filters working -- and understood.

My current, simple test script is

    ----------------------------------------------
    #!/bin/bash

    ROPTS="--verbose --progress --itemize-changes \
     --recursive \
     --links \
     --perms \
     --times \
     --group \
     --owner \
     --devices \
     --specials \
      --acls \
      --xattrs \
    --human-readable \
    --numeric-ids \
    --relative \
    --delete-after \
    --delete-excluded \
    --iconv=UTF-8,UTF-8 \
    "

    /usr/bin/rsync ${ROPTS} --filter="merge /home/test.filter"
root at my.remote.com:/ /home/TEST
    ----------------------------------------------

My 1st goal is to successfully filter to JUST backup "/boot", and all
its
contents, give a SRC entry point of "/".

If I populate the filter file,

    cat << EOF >> /home/test.filter
    + boot/
    -sr /*
    EOF

and exec the script, I end up with

    ls -1 /home/TEST
        boot/

    du -h --max-depth=0 /home/TEST/boot/
        32M     /home/TEST/boot/

where the boot/ IS fully recursively populated with its files & subdir
contents.

So that works.

Next, I'd like to JUST backup two, specific subdirectories below /boot;
specifically /boot/grub & /boot/grub2.

Changing the filter If I add a file exclusion to the filter

    cat << EOF >> /home/test.filter
    + boot/grub/
    + boot/grub2/
    -sr /*
    EOF

and re-exec the script, now, nothing is rsync'd -- no files or dirs are
transferred

Why doesn't the filter work for the subdirs?

How DO I filter to get just the subdirs of choice to rsync?
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First, don't use rsync without either --times or --archive.  Without
one of these rsync won't have any idea what is different the next time
it runs and it will re-copy everything.

As for the problem, if a directory is filtered then rsync will not
look inside of it to see if there are any not filtered things inside.
 Therefore, if you want to specify /boot/grub you need /boot too.

The other alternative (and easier way) to handle multiple directories
is to add --relative and list your directories instead of sources.

IOW: rsync ${ROPTS} --relative root at my.remote.com:/boot/grub/
root at my.remote.com:/boot/grub2/ /home/TEST

On 01/30/2014 01:22 PM, Dmt Ops wrote:
> I'm trying to get rsync filters working -- and understood.
> 
> My current, simple test script is
> 
> ---------------------------------------------- #!/bin/bash
> 
> ROPTS="--verbose --progress --itemize-changes \ --recursive \ 
> --links \ --perms \ --times \ --group \ --owner \ --devices \ 
> --specials \ --acls \ --xattrs \ --human-readable \ --numeric-ids
> \ --relative \ --delete-after \ --delete-excluded \ 
> --iconv=UTF-8,UTF-8 \ "
> 
> /usr/bin/rsync ${ROPTS} --filter="merge /home/test.filter" 
> root at my.remote.com:/ /home/TEST 
> ----------------------------------------------
> 
> My 1st goal is to successfully filter to JUST backup "/boot", and
> all its contents, give a SRC entry point of "/".
> 
> If I populate the filter file,
> 
> cat << EOF >> /home/test.filter + boot/ -sr /* EOF
> 
> and exec the script, I end up with
> 
> ls -1 /home/TEST boot/
> 
> du -h --max-depth=0 /home/TEST/boot/ 32M     /home/TEST/boot/
> 
> where the boot/ IS fully recursively populated with its files &
> subdir contents.
> 
> So that works.
> 
> Next, I'd like to JUST backup two, specific subdirectories below
> /boot; specifically /boot/grub & /boot/grub2.
> 
> Changing the filter If I add a file exclusion to the filter
> 
> cat << EOF >> /home/test.filter + boot/grub/ + boot/grub2/ -sr
/*
> EOF
> 
> and re-exec the script, now, nothing is rsync'd -- no files or dirs
> are transferred
> 
> Why doesn't the filter work for the subdirs?
> 
> How DO I filter to get just the subdirs of choice to rsync?
> 
> 
> 
> 
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