231aa9d6d7
Windows has a limit of 260 characters on normal paths, but it's possible to use longer paths by using "extended-length paths" that begin with `\\?\`. This commit attempts to transparently convert an absolute path to an extended-length path, following the subtly different rules those paths require. It does not attempt to handle relative paths, which continue to be passed to the operating system unmodified. This adds a new test, TestLongPath, to the os package. This test makes sure that it is possible to write a path at least 400 characters long and runs on every platform. It also tests symlinks and hardlinks, though symlinks are not testable with our builder configuration. HasLink is moved to internal/testenv so it can be used by multiple tests. https://msdn.microsoft.com/en-us/library/windows/desktop/aa365247(v=vs.85).aspx has Microsoft's documentation on extended-length paths. Fixes #3358. Fixes #10577. Fixes #17500. Change-Id: I4ff6bb2ef9c9a4468d383d98379f65cf9c448218 Reviewed-on: https://go-review.googlesource.com/32451 Run-TryBot: Quentin Smith <quentin@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org> |
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The Go Programming Language
Go is an open source programming language that makes it easy to build simple, reliable, and efficient software.
For documentation about how to install and use Go, visit https://golang.org/ or load doc/install-source.html in your web browser.
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Binary Distribution Notes
If you have just untarred a binary Go distribution, you need to set the environment variable $GOROOT to the full path of the go directory (the one containing this file). You can omit the variable if you unpack it into /usr/local/go, or if you rebuild from sources by running all.bash (see doc/install-source.html). You should also add the Go binary directory $GOROOT/bin to your shell's path.
For example, if you extracted the tar file into $HOME/go, you might put the following in your .profile:
export GOROOT=$HOME/go
export PATH=$PATH:$GOROOT/bin
See https://golang.org/doc/install or doc/install.html for more details.