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
|
//
// Copyright (c) SAS Institute Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
package shared
import (
"errors"
"fmt"
"os"
"github.com/sassoftware/relic/v7/config"
"github.com/sassoftware/relic/v7/lib/dlog"
)
func InitConfig() error {
return initConfig(false)
}
func InitClientConfig() error {
return initConfig(true)
}
func initConfig(client bool) error {
if CurrentConfig != nil {
return nil
}
dlog.SetLevel(ArgDebug)
usedDefault := false
if ArgConfig == "" {
ArgConfig = config.DefaultConfig()
usedDefault = true
}
if client && usedDefault {
cfg, err := config.FromEnvironment()
if err != nil {
return err
} else if cfg != nil {
CurrentConfig = cfg
return nil
}
}
if ArgConfig == "" {
return errors.New("--config not specified")
}
cfg, err := config.ReadFile(ArgConfig)
if err != nil {
if os.IsNotExist(err) && usedDefault {
if client {
// try to use environment
cfg, err = config.FromEnvironment()
if err != nil {
return err
} else if cfg != nil {
CurrentConfig = cfg
return nil
}
}
return fmt.Errorf("--config not specified and default config at %s does not exist", ArgConfig)
}
return err
}
CurrentConfig = cfg
return nil
}
func OpenFile(path string) (*os.File, error) {
if path == "-" {
return os.Stdin, nil
}
return os.Open(path)
}
func OpenForPatching(inpath, outpath string) (*os.File, error) {
switch {
case inpath == "-":
return os.Stdin, nil
case inpath == outpath:
// open for writing so in-place patch works
return os.OpenFile(inpath, os.O_RDWR, 0)
default:
return os.Open(inpath)
}
}
func Fail(err error) error {
if err != nil {
fmt.Fprintln(os.Stderr, "ERROR:", err)
os.Exit(70)
}
return err
}
|
