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Viewing changes to src/launchpad.net/juju-core/utils/trivial.go

  • Committer: Package Import Robot
  • Author(s): James Page
  • Date: 2014-01-29 11:40:20 UTC
  • mfrom: (23.1.1 trusty-proposed)
  • Revision ID: package-import@ubuntu.com-20140129114020-ejieitm8smtt5vln
Tags: 1.17.1-0ubuntu2
d/tests/local-provider: Don't fail tests if ~/.juju is present as its
created by the juju version command. 

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src/launchpad.net/juju-core/utils/trivial.go
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        "io/ioutil"
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        "os"
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        "strings"
 
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        "unicode"
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        "launchpad.net/goyaml"
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)
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        return `'` + strings.Replace(s, `'`, `'"'"'`, -1) + `'`
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}
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// CommandString flattens a sequence of command arguments into a
 
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// string suitable for executing in a shell, escaping slashes,
 
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// variables and quotes as necessary; each argument is double-quoted
 
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// if and only if necessary.
 
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func CommandString(args ...string) string {
 
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        var buf bytes.Buffer
 
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        for i, arg := range args {
 
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                needsQuotes := false
 
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                var argBuf bytes.Buffer
 
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                for _, r := range arg {
 
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                        if unicode.IsSpace(r) {
 
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                                needsQuotes = true
 
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                        } else if r == '"' || r == '$' || r == '\\' {
 
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                                needsQuotes = true
 
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                                argBuf.WriteByte('\\')
 
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                        }
 
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                        argBuf.WriteRune(r)
 
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                }
 
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                if i > 0 {
 
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                        buf.WriteByte(' ')
 
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                }
 
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                if needsQuotes {
 
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                        buf.WriteByte('"')
 
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                        argBuf.WriteTo(&buf)
 
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                        buf.WriteByte('"')
 
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                } else {
 
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                        argBuf.WriteTo(&buf)
 
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                }
 
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        }
 
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        return buf.String()
 
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}
 
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// Gzip compresses the given data.
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func Gzip(data []byte) []byte {
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        var buf bytes.Buffer