forked from mystiq/dex
35 lines
962 B
Go
35 lines
962 B
Go
package internal
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import (
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"os"
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"path/filepath"
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"regexp"
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"runtime"
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"strings"
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)
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var assetsPath string
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func init() {
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_, thisFile, _, ok := runtime.Caller(0)
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if !ok {
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panic("Could not determine the path of the BinPathFinder")
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}
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assetsPath = filepath.Join(filepath.Dir(thisFile), "..", "assets", "bin")
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}
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// BinPathFinder checks the an environment variable, derived from the symbolic name,
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// and falls back to a default assets location when this variable is not set
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func BinPathFinder(symbolicName string) (binPath string) {
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punctuationPattern := regexp.MustCompile("[^A-Z0-9]+")
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sanitizedName := punctuationPattern.ReplaceAllString(strings.ToUpper(symbolicName), "_")
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leadingNumberPattern := regexp.MustCompile("^[0-9]+")
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sanitizedName = leadingNumberPattern.ReplaceAllString(sanitizedName, "")
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envVar := "TEST_ASSET_" + sanitizedName
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if val, ok := os.LookupEnv(envVar); ok {
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return val
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}
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return filepath.Join(assetsPath, symbolicName)
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}
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