Issue 30 in open-vcdiff: Recursive directory diff support
open-...@googlecode.com
Owner: ----
Labels: Type-Defect Priority-Medium
New issue 30 by schmid...@gmail.com: Recursive directory diff support
http://code.google.com/p/open-vcdiff/issues/detail?id=30
Please add a feature for recursive diff between two directories, creating a
single patch that describes the differences.
open-...@googlecode.com
Labels: -Type-Defect -Priority-Medium Type-Enhancement Priority-Low
Comment #1 on issue 30 by openvcd...@gmail.com: Recursive directory diff
support
http://code.google.com/p/open-vcdiff/issues/detail?id=30
Thank you for your interest in open-vcdiff. The encoder produces a delta
file from a source (or dictionary) file and a target file. To apply VCDIFF
to a directory in the file system, you might use "tar" or a similar
archiving utility to gather the directory contents into a stream of bytes
suitable for use as the target file.
open-...@googlecode.com
Comment #2 on issue 30 by schmid...@gmail.com: Recursive directory diff
support
http://code.google.com/p/open-vcdiff/issues/detail?id=30
I already tried the tar approach, but it revealed not practical for
distributing patches to end users:
1) It requires that the end-users have tar installed. Most don't even know
that this tool exist.
2) It requires scripts to be created to (a) tar the destination directory
into a file and (b) apply the patch. But different systems have different
scripting shells: cmd32.exe, bash, ksh etc
3) There's now way to assure that the user's tar will behave like my system
tar and assemble the file in the same way (different implementation,
different file order, username, permissions, etc)
4) It requires me to distribute the patch without checksum checking, which
means the users will have no easy way to be sure if the resulting files are
correct, because they will not know if the source files were correct. This
means that the users will have to manually check the entire directory
checksum before applying the patch. I can't even convince the users to
check a single file, what can be said about they hypothetically checking an
entire directory tree? :)