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go/buildutil: use same logic as 'go' tool for pruning package search.

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The previous logic would descend into (e.g.) .git repositories
and vendored packages with "_"-prefixed names.

Fixes golang/go#8907

LGTM=gri
R=gri
CC=golang-codereviews, shurcool
https://golang.org/cl/157800043
This commit is contained in:
Alan Donovan 2014-10-14 12:57:00 -04:00
parent efd8523ea7
commit b45b275b99
1 changed files with 3 additions and 3 deletions
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6
go/buildutil/allpackages.go
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@ -77,9 +77,9 @@ func allPackages(ctxt *build.Context, sema chan bool, root string, found func(st
var walkDir func(dir string)
walkDir = func(dir string) {
// Prune search if we encounter any directory with these base names:
switch filepath.Base(dir) {
case "testdata", ".hg":
// Avoid .foo, _foo, and testdata directory trees.
base := filepath.Base(dir)
if base == "" || base[0] == '.' || base[0] == '_' || base == "testdata" {
return
}