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mirror of https://github.com/ipfs/kubo.git synced 2025-06-29 17:36:38 +08:00

fix(deps) transitive dependency was missing

programmer error

License: MIT
Signed-off-by: Brian Tiger Chow <brian@perfmode.com>
This commit is contained in:
Brian Tiger Chow
2014-11-15 00:46:25 -08:00
parent 56d732f9b1
commit 9f798e86b2
7 changed files with 334 additions and 3 deletions

6
Godeps/Godeps.json generated
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@ -1,6 +1,6 @@
{
"ImportPath": "github.com/jbenet/go-ipfs",
"GoVersion": "go1.3",
"GoVersion": "go1.3.3",
"Packages": [
"./..."
],
@ -60,6 +60,10 @@
"ImportPath": "github.com/coreos/go-semver/semver",
"Rev": "6fe83ccda8fb9b7549c9ab4ba47f47858bc950aa"
},
{
"ImportPath": "github.com/facebookgo/stack",
"Rev": "4da6d991fc3c389efa512151354d643eb5fae4e2"
},
{
"ImportPath": "github.com/facebookgo/stackerr",
"Rev": "060fbf9364c89acd41bf710e9e92915a90e7a5b5"

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@ -0,0 +1,24 @@
language: go
go:
- 1.2
- 1.3
matrix:
fast_finish: true
before_install:
- go get -v code.google.com/p/go.tools/cmd/vet
- go get -v github.com/golang/lint/golint
- go get -v code.google.com/p/go.tools/cmd/cover
install:
- go install -race -v std
- go get -race -t -v ./...
- go install -race -v ./...
script:
- go vet ./...
- $HOME/gopath/bin/golint .
- go test -cpu=2 -race -v ./...
- go test -cpu=2 -covermode=atomic ./...

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@ -0,0 +1,4 @@
stack [![Build Status](https://secure.travis-ci.org/facebookgo/stack.png)](http://travis-ci.org/facebookgo/stack)
=====
Documentation: https://godoc.org/github.com/facebookgo/stack

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@ -0,0 +1,197 @@
// Package stack provides utilities to capture and pass around stack traces.
//
// This is useful for building errors that know where they originated from, to
// track where a certain log event occured and so on.
package stack
import (
"bytes"
"fmt"
"os"
"path/filepath"
"runtime"
"strings"
)
const maxStackSize = 32
// Frame identifies a file, line & function name in the stack.
type Frame struct {
File string
Line int
Name string
}
// String provides the standard file:line representation.
func (f Frame) String() string {
return fmt.Sprintf("%s:%d %s", f.File, f.Line, f.Name)
}
// Stack represents an ordered set of Frames.
type Stack []Frame
// String provides the standard multi-line stack trace.
func (s Stack) String() string {
var b bytes.Buffer
writeStack(&b, s)
return b.String()
}
// Multi represents a number of Stacks. This is useful to allow tracking a
// value as it travels thru code.
type Multi struct {
stacks []Stack
}
// Stacks returns the tracked Stacks.
func (m *Multi) Stacks() []Stack {
return m.stacks
}
// Add the given Stack to this Multi.
func (m *Multi) Add(s Stack) {
m.stacks = append(m.stacks, s)
}
// AddCallers adds the Callers Stack to this Multi. The argument skip is
// the number of stack frames to ascend, with 0 identifying the caller of
// Callers.
func (m *Multi) AddCallers(skip int) {
m.Add(Callers(skip + 1))
}
// String provides a human readable multi-line stack trace.
func (m *Multi) String() string {
var b bytes.Buffer
for i, s := range m.stacks {
if i != 0 {
fmt.Fprintf(&b, "\n(Stack %d)\n", i+1)
}
writeStack(&b, s)
}
return b.String()
}
// Caller returns a single Frame for the caller. The argument skip is the
// number of stack frames to ascend, with 0 identifying the caller of Callers.
func Caller(skip int) Frame {
pc, file, line, _ := runtime.Caller(skip + 1)
fun := runtime.FuncForPC(pc)
return Frame{
File: StripGOPATH(file),
Line: line,
Name: StripPackage(fun.Name()),
}
}
// Callers returns a Stack of Frames for the callers. The argument skip is the
// number of stack frames to ascend, with 0 identifying the caller of Callers.
func Callers(skip int) Stack {
pcs := make([]uintptr, maxStackSize)
num := runtime.Callers(skip+2, pcs)
stack := make(Stack, num)
for i, pc := range pcs[:num] {
fun := runtime.FuncForPC(pc)
file, line := fun.FileLine(pc)
stack[i].File = StripGOPATH(file)
stack[i].Line = line
stack[i].Name = StripPackage(fun.Name())
}
return stack
}
// CallersMulti returns a Multi which includes one Stack for the
// current callers. The argument skip is the number of stack frames to ascend,
// with 0 identifying the caller of CallersMulti.
func CallersMulti(skip int) *Multi {
m := new(Multi)
m.AddCallers(skip + 1)
return m
}
func writeStack(b *bytes.Buffer, s Stack) {
var width int
for _, f := range s {
if l := len(f.File) + numDigits(f.Line) + 1; l > width {
width = l
}
}
last := len(s) - 1
for i, f := range s {
b.WriteString(f.File)
b.WriteRune(rune(':'))
n, _ := fmt.Fprintf(b, "%d", f.Line)
for i := width - len(f.File) - n; i != 0; i-- {
b.WriteRune(rune(' '))
}
b.WriteString(f.Name)
if i != last {
b.WriteRune(rune('\n'))
}
}
}
func numDigits(i int) int {
var n int
for {
n++
i = i / 10
if i == 0 {
return n
}
}
}
// This can be set by a build script. It will be the colon separated equivalent
// of the environment variable.
var gopath string
// This is the processed version based on either the above variable set by the
// build or from the GOPATH environment variable.
var gopaths []string
func init() {
// prefer the variable set at build time, otherwise fallback to the
// environment variable.
if gopath == "" {
gopath = os.Getenv("GOPATH")
}
for _, p := range strings.Split(gopath, ":") {
if p != "" {
gopaths = append(gopaths, filepath.Join(p, "src")+"/")
}
}
// Also strip GOROOT for maximum cleanliness
gopaths = append(gopaths, filepath.Join(runtime.GOROOT(), "src", "pkg")+"/")
}
// StripGOPATH strips the GOPATH prefix from the file path f.
// In development, this will be done using the GOPATH environment variable.
// For production builds, where the GOPATH environment will not be set, the
// GOPATH can be included in the binary by passing ldflags, for example:
//
// GO_LDFLAGS="$GO_LDFLAGS -X github.com/facebookgo/stack.gopath $GOPATH"
// go install "-ldflags=$GO_LDFLAGS" my/pkg
func StripGOPATH(f string) string {
for _, p := range gopaths {
if strings.HasPrefix(f, p) {
return f[len(p):]
}
}
return f
}
// StripPackage strips the package name from the given Func.Name.
func StripPackage(n string) string {
slashI := strings.LastIndex(n, "/")
if slashI == -1 {
slashI = 0 // for built-in packages
}
dotI := strings.Index(n[slashI:], ".")
if dotI == -1 {
return n
}
return n[slashI+dotI+1:]
}

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@ -0,0 +1,102 @@
package stack_test
import (
"regexp"
"strings"
"testing"
"github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/facebookgo/stack"
)
func indirect1() stack.Stack {
return stack.Callers(0)
}
func indirect2() stack.Stack {
return indirect1()
}
func indirect3() stack.Stack {
return indirect2()
}
func TestCallers(t *testing.T) {
s := indirect3()
matches := []string{
"^github.com/facebookgo/stack/stack_test.go:12 +indirect1$",
"^github.com/facebookgo/stack/stack_test.go:16 +indirect2$",
"^github.com/facebookgo/stack/stack_test.go:20 +indirect3$",
"^github.com/facebookgo/stack/stack_test.go:24 +TestCallers$",
}
match(t, s.String(), matches)
}
func TestCallersMulti(t *testing.T) {
m := stack.CallersMulti(0)
const expected = "github.com/facebookgo/stack/stack_test.go:35 TestCallersMulti"
first := m.Stacks()[0][0].String()
if first != expected {
t.Fatalf(`expected "%s" got "%s"`, expected, first)
}
}
func TestCallersMultiWithTwo(t *testing.T) {
m := stack.CallersMulti(0)
m.AddCallers(0)
matches := []string{
"^github.com/facebookgo/stack/stack_test.go:44 +TestCallersMultiWithTwo$",
"",
"",
`^\(Stack 2\)$`,
"^github.com/facebookgo/stack/stack_test.go:46 +TestCallersMultiWithTwo$",
}
match(t, m.String(), matches)
}
type typ struct{}
func (m typ) indirect1() stack.Stack {
return stack.Callers(0)
}
func (m typ) indirect2() stack.Stack {
return m.indirect1()
}
func (m typ) indirect3() stack.Stack {
return m.indirect2()
}
func TestCallersWithStruct(t *testing.T) {
var m typ
s := m.indirect3()
matches := []string{
"^github.com/facebookgo/stack/stack_test.go:59 +typ.indirect1$",
"^github.com/facebookgo/stack/stack_test.go:63 +typ.indirect2$",
"^github.com/facebookgo/stack/stack_test.go:67 +typ.indirect3$",
"^github.com/facebookgo/stack/stack_test.go:72 +TestCallersWithStruct$",
}
match(t, s.String(), matches)
}
func TestCaller(t *testing.T) {
f := stack.Caller(0)
const expected = "github.com/facebookgo/stack/stack_test.go:83 TestCaller"
if f.String() != expected {
t.Fatalf(`expected "%s" got "%s"`, expected, f)
}
}
func match(t testing.TB, s string, matches []string) {
lines := strings.Split(s, "\n")
for i, m := range matches {
if !regexp.MustCompile(m).MatchString(lines[i]) {
t.Fatalf(
"did not find expected match \"%s\" on line %d in:\n%s",
m,
i,
s,
)
}
}
}

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@ -6,7 +6,7 @@ import (
"errors"
"fmt"
"github.com/facebookgo/stack"
"github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/facebookgo/stack"
)
// Error provides the wrapper that adds multiple Stacks to an error. Each Stack

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@ -7,7 +7,7 @@ import (
"strings"
"testing"
"github.com/facebookgo/stackerr"
"github.com/jbenet/go-ipfs/Godeps/_workspace/src/github.com/facebookgo/stackerr"
)
func TestNew(t *testing.T) {