-
Notifications
You must be signed in to change notification settings - Fork 79
/
main.go
161 lines (150 loc) · 3.6 KB
/
main.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
// Bisect is a git bisect helper.
package main
import (
"bytes"
"context"
"errors"
"flag"
"fmt"
"os"
"os/exec"
"os/signal"
"path/filepath"
)
/*
This tool is significantly weird in that it makes heavy use of test harnesses for automatic setup,
so the "normal" binary here is mostly setup around correctly building and invoking the test binary.
*/
func main() {
var exit int
defer func() {
if exit != 0 {
os.Exit(exit)
}
}()
args := Args{}
flag.BoolVar(&args.Verbose, "v", false, "verbose output")
flag.BoolVar(&args.Warmup, "warmup", false, "do a warmup run before making any requests.")
flag.String("dump-manifest", "{{.}}.manifest.json", "dump manifest to templated location, if provided")
flag.String("dump-index", "{{.}}.index.json", "dump index to templated location, if provided")
flag.String("dump-report", "{{.}}.report.json", "dump report to templated location, if provided")
flag.Parse()
flag.Visit(func(f *flag.Flag) {
switch f.Name {
case "dump-manifest":
if f.Value.String() == "" {
f.Value.Set(f.DefValue)
}
v := f.Value.String()
args.DumpManifest = &v
case "dump-index":
if f.Value.String() == "" {
f.Value.Set(f.DefValue)
}
v := f.Value.String()
args.DumpIndex = &v
case "dump-report":
if f.Value.String() == "" {
f.Value.Set(f.DefValue)
}
v := f.Value.String()
args.DumpReport = &v
}
})
ctx, done := signal.NotifyContext(context.Background(), os.Interrupt, os.Kill)
defer done()
if err := Main(ctx, args, flag.Args()); err != nil {
fmt.Fprintln(os.Stderr, err)
exit = 1
}
}
type Args struct {
DumpManifest *string
DumpIndex *string
DumpReport *string
Verbose bool
Warmup bool
}
func Main(ctx context.Context, args Args, imgs []string) error {
if err := checkDeps(ctx); err != nil {
return err
}
root, err := findRoot(ctx)
if err != nil {
return err
}
workDir := filepath.Join(root, `test/bisect`)
cmd := exec.CommandContext(ctx, "go", "test", "-tags", "integration", "-c")
cmd.Dir = workDir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return err
}
if flag.NArg() == 0 {
flag.PrintDefaults()
return errors.New("no arguments given")
}
if args.Warmup {
cmd = exec.CommandContext(ctx, filepath.Join(workDir, `bisect.test`), "-enable")
if args.Verbose {
cmd.Args = append(cmd.Args, "-stderr")
}
cmd.Dir = workDir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
if err := cmd.Run(); err != nil {
return err
}
}
cmd = exec.CommandContext(ctx, filepath.Join(workDir, `bisect.test`), "-enable")
if args.Verbose {
cmd.Args = append(cmd.Args, "-stderr")
}
if f := args.DumpManifest; f != nil {
p, err := filepath.Abs(*f)
if err != nil {
return err
}
cmd.Args = append(cmd.Args, "-dump-manifest", p)
}
if f := args.DumpIndex; f != nil {
p, err := filepath.Abs(*f)
if err != nil {
return err
}
cmd.Args = append(cmd.Args, "-dump-index", p)
}
if f := args.DumpReport; f != nil {
p, err := filepath.Abs(*f)
if err != nil {
return err
}
cmd.Args = append(cmd.Args, "-dump-report", p)
}
cmd.Args = append(cmd.Args, imgs...)
cmd.Dir = workDir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
return cmd.Run()
}
func findRoot(ctx context.Context) (string, error) {
cmd := exec.CommandContext(ctx, "git", "rev-parse", "--show-toplevel")
cmd.Stderr = nil
b, err := cmd.Output()
if err != nil {
return "", err
}
return string(bytes.TrimSpace(b)), nil
}
func checkDeps(_ context.Context) error {
for _, exe := range []string{
"git",
"skopeo",
} {
if _, err := exec.LookPath(exe); err != nil {
return err
}
}
return nil
}