mirror of
https://github.com/wahyd4/jabba.git
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26 lines
499 B
Go
26 lines
499 B
Go
package command
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import (
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"os/exec"
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"strings"
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"github.com/shyiko/jabba/cfg"
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"path/filepath"
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"os"
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)
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var lookPath = exec.LookPath
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func Current() string {
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javaPath, err := lookPath("java")
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if err == nil {
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prefix := filepath.Join(cfg.Dir(), "jdk") + string(os.PathSeparator)
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if strings.HasPrefix(javaPath, prefix) {
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index := strings.Index(javaPath[len(prefix):], string(os.PathSeparator))
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if index != -1 {
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return javaPath[len(prefix):len(prefix) + index]
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}
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}
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}
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return ""
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}
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