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feat(initrd): Support Dockerfile secrets, targets and build arguments (…
…#1870) Reviewed-by: Cezar Craciunoiu <[email protected]> Approved-by: Cezar Craciunoiu <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| // SPDX-License-Identifier: BSD-3-Clause | ||
| // Copyright (c) 2012 Alex Ogier. | ||
| // Copyright (c) 2012 The Go Authors. | ||
| // Copyright (c) 2022, Unikraft GmbH and The KraftKit Authors. | ||
| // Licensed under the BSD-3-Clause License (the "License"). | ||
| // You may not use this file except in compliance with the License. | ||
| package cmdfactory | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/csv" | ||
| "strings" | ||
|
|
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| "github.com/spf13/pflag" | ||
| ) | ||
|
|
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| // -- stringArray Value | ||
| type stringArrayValue struct { | ||
| value *[]string | ||
| changed bool | ||
| } | ||
|
|
||
| func newStringArrayValue(val []string, p *[]string) *stringArrayValue { | ||
| ssv := new(stringArrayValue) | ||
| ssv.value = p | ||
| *ssv.value = val | ||
| return ssv | ||
| } | ||
|
|
||
| func (s *stringArrayValue) Set(val string) error { | ||
| if !s.changed { | ||
| *s.value = []string{val} | ||
| s.changed = true | ||
| } else { | ||
| *s.value = append(*s.value, val) | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (s *stringArrayValue) Append(val string) error { | ||
| *s.value = append(*s.value, val) | ||
| return nil | ||
| } | ||
|
|
||
| func (s *stringArrayValue) Replace(val []string) error { | ||
| out := make([]string, len(val)) | ||
| for i, d := range val { | ||
| var err error | ||
| out[i] = d | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| *s.value = out | ||
| return nil | ||
| } | ||
|
|
||
| func (s *stringArrayValue) GetSlice() []string { | ||
| out := make([]string, len(*s.value)) | ||
| copy(out, *s.value) | ||
| return out | ||
| } | ||
|
|
||
| func (s *stringArrayValue) Type() string { | ||
| return "strings" | ||
| } | ||
|
|
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| func (s *stringArrayValue) String() string { | ||
| str, _ := writeAsCSV(*s.value) | ||
| return "[" + str + "]" | ||
| } | ||
|
|
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| func writeAsCSV(vals []string) (string, error) { | ||
| b := &bytes.Buffer{} | ||
| w := csv.NewWriter(b) | ||
| err := w.Write(vals) | ||
| if err != nil { | ||
| return "", err | ||
| } | ||
| w.Flush() | ||
| return strings.TrimSuffix(b.String(), "\n"), nil | ||
| } | ||
|
|
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| // StringArrayVar defines a string flag with specified name, default value, and usage string. | ||
| // The argument p points to a []string variable in which to store the value of the flag. | ||
| // The value of each argument will not try to be separated by comma. Use a StringSlice for that. | ||
| func StringArrayVar(p *[]string, name string, value []string, usage string) *pflag.Flag { | ||
| return VarF(newStringArrayValue(value, p), name, usage) | ||
| } | ||
|
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| // StringArrayVarP is like StringArrayVar, but accepts a shorthand letter that can be used after a single dash. | ||
| func StringArrayVarP(p *[]string, name, shorthand string, value []string, usage string) *pflag.Flag { | ||
| return VarPF(newStringArrayValue(value, p), name, shorthand, usage) | ||
| } |
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