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When using Egit in Eclipse IDE 3.7 I made the observation that the existence of a cygwin install dramatically decreases the performance (it gets slower) on certain operations. When I "remove" cygwin it is getting better. When cygwing is available you can see (process explorer) that cygpath.exe is called very often (creating processes!). I am asking myself why is it necessary/better/.. to call cygpath.exe although it can be done without cygpath.exe.
This was thought to be a good idea, but I'm not sure anymore. I don't need it since I don't have cygwin in the PATH on Windows.
From our personal testing, "synchronize" gets pretty slow when you invoke a new cgpath.exe process every few secs or millisecs.....
This may (or may not) be a JGit bug. Its possible JGit is making too many resolutions through cygpath.exe when it should be caching a top level directory resolution and just suffixing work tree paths onto the end. But the bug reporter has a point, within EGit you don't necessarily need to be using Cygwin with every repository (or any of them). JGit has gone out of its way to make this configurable on a per-repository basis by selecting which FS implementation is used when the Repository object is opened. EGit should make this a user-configurable preference, so the user can decide if they want to use Cygwin support in a given Eclipse workspace, or stick to native Win32 even though cygpath.exe is available in $PATH. So I'm kicking this over to EGit to fix by making the FS configurable.
I vote for NOT calling cgpath.exe as the DEFAULT. Or NOT call any executable for that matter. We found that even putting ANY file called cgpath.exe on the PATH makes the Eclipse IDE want to call it which I find very strange (to say the least). In the time of viruses, Eclipse should not calls ANY exe's it knows nothing about. (at least in my opinion)
I do have cygwin\bin\ on the path for other reasons, and I don't want to remove it. Please turn this off by default.
*** Bug 346303 has been marked as a duplicate of this bug. ***
Let me join to asking to turn it off by default. Our build system for building C/C++ projects is integrated to eclipse and requires access to cygwin utilities including cygpath. It is mandatory and we cannot abandon it. Could you please turn off using of cygpath or at the very least provide a switch to turn it off?
+1 to turn this off.
Patch posted to http://egit.eclipse.org/r/4431
Fix merged
