dashboard: disable failing repos on misconfigured builders

Updates golang/go#32836
Updates golang/go#31567
Updates golang/go#11811

Change-Id: I5443b61cf7732abf906ce2e93eca5408579a55c8
Reviewed-on: https://go-review.googlesource.com/c/build/+/192327
Run-TryBot: Bryan C. Mills <bcmills@google.com>
Reviewed-by: Dmitri Shuralyov <dmitshur@golang.org>
Reviewed-by: Alexander Rakoczy <alex@golang.org>

Author: Bryan C. Mills

dashboard/builders.go

@@ -2050,6 +2050,15 @@ func init() {
 		Name:             "illumos-amd64-joyent",
 		HostType:         "host-illumos-amd64-joyent",
 		MinimumGoVersion: types.MajorMinor{1, 13},
+		buildsRepo: func(repo, branch, goBranch string) bool {
+			if repo == "review" {
+				// '.git/hooks/pre-commit' cannot be executed on this builder,
+				// which causes the x/review tests to fail.
+				// (https://golang.org/issue/32836)
+				return false
+			}
+			return defaultBuildsRepoPolicy(repo, branch, goBranch)
+		},
 	})
 	addBuilder(BuildConfig{
 		Name:     "linux-ppc64-buildlet",
@@ -2120,6 +2129,15 @@ func init() {
 		HostType:          "host-dragonfly-amd64-tdfbsd",
 		shouldRunDistTest: noTestDir,
 		SkipSnapshot:      true,
+		buildsRepo: func(repo, branch, goBranch string) bool {
+			if repo == "review" {
+				// '.git/hooks/pre-commit' cannot be executed on this builder,
+				// which causes the x/review tests to fail.
+				// (https://golang.org/issue/32836)
+				return false
+			}
+			return defaultBuildsRepoPolicy(repo, branch, goBranch)
+		},
 	})
 	addBuilder(BuildConfig{
 		Name:              "freebsd-arm-paulzhol",
@@ -2195,6 +2213,12 @@ func init() {
 				// The x/net package wasn't working in Go 1.12; AIX folk plan to have
 				// it ready by Go 1.13. See https://golang.org/issue/31564#issuecomment-484786144
 				return atLeastGo1(branch, 13) && atLeastGo1(goBranch, 13)
+			case "review", "tools", "tour":
+				// The PATH on this builder is misconfigured in a way that causes tests
+				// in x/review, x/tools and x/tour to fail
+				// (https://golang.org/issue/31567).
+				// Skip those until the builder is fixed.
+				return false
 			}
 			return atLeastGo1(branch, 12) && atLeastGo1(goBranch, 12) && defaultBuildsRepoPolicy(repo, branch, goBranch)
 		},