58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
/*
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* Copyright (c) 2015 Alex Yatskov <alex@foosoft.net>
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* Author: Alex Yatskov <alex@foosoft.net>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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package main
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import (
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"fmt"
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"log"
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"os"
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"strings"
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)
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func processEnv(env []string, flags int) error {
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args := appendExpEnv(nil, env)
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var value string
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switch {
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case len(args) == 0:
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return fmt.Errorf("invalid environment statement")
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case len(args) == 1:
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if flags&FLAG_VERBOSE == FLAG_VERBOSE {
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log.Printf("unsetting variable %s", args[0])
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}
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os.Unsetenv(args[0])
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return nil
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case len(args) == 2:
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value = args[1]
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default:
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value = strings.Join(args[1:], ",")
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}
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if flags&FLAG_VERBOSE == FLAG_VERBOSE {
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log.Printf("setting variable %s to %s", args[0], value)
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}
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os.Setenv(args[0], value)
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return nil
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}
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