This repository has been archived by the owner on Aug 22, 2022. It is now read-only.
-
-
Notifications
You must be signed in to change notification settings - Fork 60
/
pack.go
151 lines (123 loc) · 2.68 KB
/
pack.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
package cmds
import (
"flag"
"fmt"
"os"
"sort"
"github.com/markbates/pkger"
"github.com/markbates/pkger/here"
"github.com/markbates/pkger/parser"
"github.com/markbates/pkger/pkging/stuffing"
)
const outName = "pkged.go"
type packCmd struct {
*flag.FlagSet
help bool
list bool
subs []command
}
func (e *packCmd) Name() string {
return e.Flags().Name()
}
func (e *packCmd) Exec(args []string) error {
info, err := pkger.Current()
if err != nil {
return err
}
fp := info.FilePath(outName)
os.RemoveAll(fp)
res, err := parser.Parse(info)
if err != nil {
return err
}
if e.list {
fmt.Println(info.ImportPath)
for _, p := range res {
fmt.Printf(" > %s\n", p)
}
return nil
}
if err := Package(fp, res); err != nil {
return err
}
return nil
}
func (e *packCmd) Route(args []string) error {
e.Parse(args)
if e.help {
e.Usage()
return nil
}
args = e.Args()
if len(args) == 0 {
return e.Exec(args)
}
k := args[0]
for _, c := range e.subs {
if k == c.Name() {
args = args[1:]
for _, a := range args {
if a == "-h" {
Usage(os.Stderr, c.Flags())()
return nil
}
}
return c.Exec(args)
}
}
return e.Exec(args)
}
func New() (*packCmd, error) {
c := &packCmd{}
c.subs = []command{
&readCmd{}, &serveCmd{}, &statCmd{}, &infoCmd{},
}
sort.Slice(c.subs, func(a, b int) bool {
return c.subs[a].Name() <= c.subs[b].Name()
})
c.FlagSet = flag.NewFlagSet("pkger", flag.ExitOnError)
c.BoolVar(&c.list, "list", false, "prints a list of files/dirs to be packaged")
c.BoolVar(&c.help, "h", false, "prints help information")
c.Usage = func() {
fmt.Fprintf(os.Stderr, "Usage:\n\n")
Usage(os.Stderr, c.FlagSet)()
for _, s := range c.subs {
Usage(os.Stderr, s.Flags())()
}
}
return c, nil
}
func (e *packCmd) Flags() *flag.FlagSet {
if e.FlagSet == nil {
e.FlagSet = flag.NewFlagSet("", flag.ExitOnError)
e.BoolVar(&e.list, "list", false, "prints a list of files/dirs to be packaged")
}
e.Usage = Usage(os.Stderr, e.FlagSet)
return e.FlagSet
}
func Package(out string, paths []here.Path) error {
os.RemoveAll(out)
f, err := os.Create(out)
if err != nil {
return err
}
defer f.Close()
c, err := pkger.Current()
if err != nil {
return err
}
fmt.Fprintf(f, "package %s\n\n", c.Name)
fmt.Fprintf(f, "import \"github.com/markbates/pkger\"\n\n")
fmt.Fprintf(f, "import \"github.com/markbates/pkger/pkging/mem\"\n\n")
fmt.Fprintf(f, "// packing:\n")
for _, p := range paths {
fmt.Fprintf(f, "// %s\n", p)
}
fmt.Fprintf(f, "\nvar _ = pkger.Apply(mem.UnmarshalEmbed([]byte(`")
if err := stuffing.Stuff(f, c, paths); err != nil {
os.RemoveAll(out)
return err
}
fmt.Fprintf(f, "`)))\n")
return nil
}