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Support to read go.mod recursively to get module path

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loyalsoldier 2020-10-04 12:38:25 +08:00
parent d30b5fb501
commit 4130b54579
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GPG Key ID: 23829BBC1ACF2C90
1 changed files with 26 additions and 18 deletions
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44
common/common.go
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@ -126,25 +126,33 @@ func GetGOPATH() string {
// GetModuleName returns the value of module in `go.mod` file.
func GetModuleName(pathToProjectRoot string) (string, error) {
gomodPath := filepath.Join(pathToProjectRoot, "go.mod")
gomodBytes, err := ioutil.ReadFile(gomodPath)
if err != nil {
return "", err
}
gomodContent := string(gomodBytes)
moduleIdx := strings.Index(gomodContent, "module ")
newLineIdx := strings.Index(gomodContent, "\n")
var moduleName string
if moduleIdx >= 0 {
if newLineIdx >= 0 {
moduleName = strings.TrimSpace(gomodContent[moduleIdx+6 : newLineIdx])
moduleName = strings.TrimSuffix(moduleName, "\r")
} else {
moduleName = strings.TrimSpace(gomodContent[moduleIdx+6:])
loopPath := pathToProjectRoot
for {
if idx := strings.LastIndex(loopPath, string(filepath.Separator)); idx >= 0 {
gomodPath := filepath.Join(loopPath, "go.mod")
gomodBytes, err := ioutil.ReadFile(gomodPath)
if err != nil {
loopPath = loopPath[:idx]
continue
}
gomodContent := string(gomodBytes)
moduleIdx := strings.Index(gomodContent, "module ")
newLineIdx := strings.Index(gomodContent, "\n")
if moduleIdx >= 0 {
if newLineIdx >= 0 {
moduleName = strings.TrimSpace(gomodContent[moduleIdx+6 : newLineIdx])
moduleName = strings.TrimSuffix(moduleName, "\r")
} else {
moduleName = strings.TrimSpace(gomodContent[moduleIdx+6:])
}
return moduleName, nil
}
return "", fmt.Errorf("can not get module path in `%s`", gomodPath)
}
} else {
return "", fmt.Errorf("can not get module path in `%s`", gomodPath)
break
}
return moduleName, nil
return moduleName, fmt.Errorf("no `go.mod` file in every parent directory of `%s`", pathToProjectRoot)
}