Hi, I want to use rsync in a may be unusual way:
I have a source tree containing lots of symbolic links and I use the option "--copy-links" to get the physical files (the referents of the symlinks) on the target host. As the host uses the synchronized files in a read-only fashion, I also want to get hardlinks for all identical files, to save space. Thus I also use "--hard-links". Because managing hardlinks is hard to handle (some lookup table is needed), only inodes with a hardlink count >1 are considered (flink.c:1250 "st.st_nlink > 1"). Unfortunately most of my symlinked files have a link count of 1 and thus they are copied twice. If, however, the source file accidentally has a link count > 1 (which is not related to the multiple symlinks) rsync will create a hard link on the target host, as supposed. To handle this situation I simply disabled the (st.st_nlink > 1) filter if "copy_links" is true, too. This seems to work for me, but I don't know if this is a sufficient solution for others. May be a special option should be considered to disable the (st.st_nlink > 1) optimization explicitly. Or my situation is too exotic to be considered to fix. Dieter.
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