Bas van Dijk 872d8fc5c9 flockit: init at 2012-08-11 ... The flockit library and tool exists solely because rsync doesn't have file locking. It's not used like a normal library; you don't link against it, and you don't have to patch your source code to use it. It's inserted between your program and its libraries by use of LD_PRELOAD. For example: $ env LD_PRELOAD=$(nix-build -A pkgs.flockit)/lib/libflockit.so FLOCKIT_FILE_PREFIX=test rsync SRC DEST Besides the library a handy executable is provided which can simplify the above to: $ $(nix-build -A pkgs.flockit)/bin/flockit test rsync SRC DEST Also see the following blog post: https://www.swiftstack.com/blog/2012/08/15/old-school-monkeypatching/		2017-08-06 00:38:29 +02:00
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