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Hariharan Srinath 936084890a x/tools/godoc/vfs: adds NewNameSpace() and emptyVFS for better behavior 
The existing implementation of NameSpace implicitly assumes that a
FileSystem with a directory at the top will be mounted at the root
mount point "/" of the NameSpace. If this is not the case, then
Stat("/") will fail even if ReadDir("/") succeedes. This is unexpected
behavior which breaks directory traversal routines (eg. http.FileServer).

This CL adds an unexported implementation of FileSystem called emptyVFS
that emulates an empty directory and adds a NewNameSpace() function that
binds emptyVFS to "/" so that unexpected behavior does not arise even if
the use does not mount anything explicitly at "/".

Latest patch set causes the FileInfo of the empty top level emulated
directory to return "/" for Name() and Zero Time for ModTime() and
removes the related struct state fields being used in the previous
implementation.

Fixes golang/go#14190

Change-Id: Idce2fc3c9b81206847a33840d76b660059d53d18
Reviewed-on: https://go-review.googlesource.com/19445
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Run-TryBot: Brad Fitzpatrick <bradfitz@golang.org>
2016-03-21 00:49:05 +00:00
benchmark/parse benchmark/parse: fix cosmetic defect in error str. 2015-02-02 17:07:43 +00:00
blog tools: add import comments. 2014-12-09 22:42:16 +00:00
cmd cmd/tip: add context to error values and log prints 2016-03-16 04:48:27 +00:00
container/intsets container/intsets: use fast popcount with gccgo 2015-11-11 02:17:02 +00:00
cover cover: fixed broken error message 2016-03-08 18:20:19 +00:00
go go/gcimporter15: create dummy "anyType" to fix breakage 2016-03-18 17:20:55 +00:00
godoc x/tools/godoc/vfs: adds NewNameSpace() and emptyVFS for better behavior 2016-03-21 00:49:05 +00:00
imports imports: cleanup test due to assignment copies of sync.Once 2016-03-20 22:53:05 +00:00
oracle oracle: describe: backport fix to 1.4, 1.5 2016-02-04 17:28:22 +00:00
playground playground/socket: fix message buffering 2016-02-29 11:33:26 +00:00
present x/tools/present: add video element for slides 2016-01-13 03:34:37 +00:00
refactor cmd/gorename: emacs: do not auto shrink error window 2016-03-07 15:44:52 +00:00
.gitattributes tools: copying .gitattributes to all subrepositories (fixes windows build) 2014-12-23 06:32:51 +00:00
.gitignore dashboard: rearrange tree, in prep for packagification 2015-01-15 02:58:11 +00:00
AUTHORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
codereview.cfg tools: add codereview.cfg 2015-03-18 17:04:00 +00:00
CONTRIBUTING.md doc: add CONTRIBUTING.md 2015-02-18 23:43:38 +00:00
CONTRIBUTORS go.empty: prototype for new subrepository 2012-01-25 14:45:13 -05:00
LICENSE LICENSE: add 2012-03-17 15:20:58 +11:00
PATENTS go.empty: add PATENTS file to the subrepo. 2012-04-16 11:24:04 +10:00
README go.tools/README: minor correction. 2013-10-29 13:20:58 -04:00

README 

This subrepository holds the source for various packages and tools that support
the Go programming language.

Some of the tools, godoc and vet for example, are included in binary Go distributions.
Others, including the Go oracle and the test coverage tool, can be fetched with "go get".

Packages include a type-checker for Go and an implementation of the
Static Single Assignment form (SSA) representation for Go programs.

To submit changes to this repository, see http://golang.org/doc/contribute.html.