OSX and HFS+ filesystem compression

[Robert DuToit]

Hi Mike,

Just got in.... I did discover the --protect-decmpfs and got it working! Great news. Thanks for keeping this alive and well for us OSX folks.  I'll rebuild with the new diff you sent today.

Thanks again,  Rob


On May 19, 2010, at 12:19 PM, Mike Bombich wrote:

> Hi Robert:
> 
> 	My apologies, that "if (fnamecmp)" should be commented out as you discovered.  Did you read the updated man page to see the new arguments available for supporting HFS+ compression?  It isn't on by default, you need to use --protect-decmpfs, for example, to preserve those xattrs.
> 
> I crafted a new diff and tested it again against 3.0.6.  These steps work for me:
> 
> cd ~/Desktop
> curl -O http://rsync.samba.org/ftp/rsync/src/rsync-3.0.6.tar.gz
> tar -xzvf rsync-3.0.6.tar.gz
> rm rsync-3.0.6.tar.gz
> curl -O http://rsync.samba.org/ftp/rsync/src/rsync-patches-3.0.6.tar.gz
> tar -xzvf rsync-patches-3.0.6.tar.gz
> rm rsync-patches-3.0.6.tar.gz
> cd rsync-3.0.6
> 
> patch -p1 < patches/fileflags.diff
> patch -p1 < patches/crtimes.diff
> patch -p1 < (path to the attached file)
> echo "#define EXTRA_ROUNDING 0" > rounding.h
> 
> ./prepare-source
> ./configure
> make
> 
> sudo ./rsync -aHANXx --force-change --protect-decmpfs --fileflags /Volumes/Source/ /Volumes/Target/
> 
> sudo bbouncer verify -d /Volumes/Source /Volumes/Target
> 
> Verifying:      hfs-compression ... 
>    Sub-test:        decmpfs xattr ... preserved
>    Sub-test:   UF_COMPRESSED flag ... set
>    Sub-test:        file contents ... match
>    Sub-test:        creation time ... ok
>    Sub-test:    modification time ... ok
>    Sub-test:      hard link inode ... ok
>    Sub-test: hard link decmpfs xattr ... preserved
>    Sub-test: hard link UF_COMPRESSED flag ... set
>    Sub-test: hard link modification time ... ok
> ok 
> Verifying: hfs-compression_large ... 
>    Sub-test:        decmpfs xattr ... preserved
>    Sub-test:   UF_COMPRESSED flag ... set
>    Sub-test:        file contents ... match
>    Sub-test:        creation time ... ok
>    Sub-test:    modification time ... ok
>    Sub-test:      hard link inode ... ok
>    Sub-test: hard link decmpfs xattr ... preserved
>    Sub-test: hard link UF_COMPRESSED flag ... set
>    Sub-test: hard link modification time ... ok
> ok 
> 
> 
> 
> Mike
> 
> <rsync_3.0.6-hfs-compression_20091027.diff>
> 
> 
> On May 18, 2010, at 10:04 PM, Robert DuToit wrote:
> 
>> Hi Mike,
>> 
>> I guess I did something wrong or removing that line 283 in proto.h was critical
>> 
>> I ran fileflags and crtimes patches first and then rsync_3.0.6-hfs-compression_20091027.diff but the test shows no go. 
>> 
>> Sub-test: decmpfs xattr ... not preserved
>> Sub-test: UF_COMPRESSED flag ... not set
>> 
>> Thanks, rob
> 
> -- 
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