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-rw-r--r--tools/bazel.mk2
-rw-r--r--tools/go_generics/go_merge/main.go6
-rw-r--r--tools/go_generics/imports.go10
-rw-r--r--tools/go_marshal/gomarshal/generator_interfaces_struct.go3
4 files changed, 17 insertions, 4 deletions
diff --git a/tools/bazel.mk b/tools/bazel.mk
index 5cc1cdea2..4235c36ca 100644
--- a/tools/bazel.mk
+++ b/tools/bazel.mk
@@ -131,7 +131,7 @@ bazel-server-start: bazel-image ## Starts the bazel server.
--workdir "$(CURDIR)" \
$(FULL_DOCKER_RUN_OPTIONS) \
$(BUILDER_IMAGE) \
- sh -c "tail -f --pid=\$$($(BAZEL) info server_pid)"
+ sh -c "tail -f --pid=\$$($(BAZEL) info server_pid) /dev/null"
.PHONY: bazel-server-start
bazel-shutdown: ## Shuts down a running bazel server.
diff --git a/tools/go_generics/go_merge/main.go b/tools/go_generics/go_merge/main.go
index f6a331123..e0345500f 100644
--- a/tools/go_generics/go_merge/main.go
+++ b/tools/go_generics/go_merge/main.go
@@ -77,6 +77,7 @@ func main() {
// Create a new declaration slice with all imports at the top, merging any
// redundant imports.
imports := make(map[string]*ast.ImportSpec)
+ var importNames []string // Keep imports in the original order to get deterministic output.
var anonImports []*ast.ImportSpec
for _, d := range f.Decls {
if g, ok := d.(*ast.GenDecl); ok && g.Tok == token.IMPORT {
@@ -98,6 +99,7 @@ func main() {
}
} else {
imports[n] = i
+ importNames = append(importNames, n)
}
}
}
@@ -112,8 +114,8 @@ func main() {
Lparen: token.NoPos + 1,
Specs: make([]ast.Spec, 0, l),
}
- for _, i := range imports {
- d.Specs = append(d.Specs, i)
+ for _, i := range importNames {
+ d.Specs = append(d.Specs, imports[i])
}
for _, i := range anonImports {
d.Specs = append(d.Specs, i)
diff --git a/tools/go_generics/imports.go b/tools/go_generics/imports.go
index 148dc7216..90d3aa1e0 100644
--- a/tools/go_generics/imports.go
+++ b/tools/go_generics/imports.go
@@ -21,6 +21,7 @@ import (
"go/format"
"go/parser"
"go/token"
+ "sort"
"strconv"
"gvisor.dev/gvisor/tools/go_generics/globals"
@@ -132,10 +133,17 @@ func updateImports(maps []mapValue, imports mapValue) (ast.Decl, error) {
if len(importsUsed) == 0 {
return nil, nil
}
+ var names []string
+ for n := range importsUsed {
+ names = append(names, n)
+ }
+ // Sort the new imports for deterministic build outputs.
+ sort.Strings(names)
// Create spec array for each new import.
specs := make([]ast.Spec, 0, len(importsUsed))
- for _, i := range importsUsed {
+ for _, n := range names {
+ i := importsUsed[n]
specs = append(specs, &ast.ImportSpec{
Name: &ast.Ident{Name: i.newName},
Path: &ast.BasicLit{Value: i.path},
diff --git a/tools/go_marshal/gomarshal/generator_interfaces_struct.go b/tools/go_marshal/gomarshal/generator_interfaces_struct.go
index d3fc1c1c6..456662fab 100644
--- a/tools/go_marshal/gomarshal/generator_interfaces_struct.go
+++ b/tools/go_marshal/gomarshal/generator_interfaces_struct.go
@@ -20,6 +20,7 @@ package gomarshal
import (
"fmt"
"go/ast"
+ "sort"
"strings"
)
@@ -40,6 +41,8 @@ func (g *interfaceGenerator) areFieldsPackedExpression() (string, bool) {
for accessor, _ := range g.as {
cs = append(cs, fmt.Sprintf("%s.Packed()", accessor))
}
+ // Sort expressions for determinstic build outputs.
+ sort.Strings(cs)
return strings.Join(cs, " && "), true
}