87 lines
2.3 KiB
Go
87 lines
2.3 KiB
Go
package forgepb
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// returns whatever your golang source dir is
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// If there is a go.work file in your parent, that directory will be returned
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// otherwise, return ~/go/src
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import (
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"fmt"
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"os"
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"path/filepath"
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"go.wit.com/log"
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)
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// look for a go.work file
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// otherwise use ~/go/src
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func (f *Forge) findGoSrc() (string, error) {
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pwd, err := os.Getwd()
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// startpwd, _ := os.Getwd()
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if err == nil {
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// Check for go.work in the current directory and then move up until root
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if pwd, err := digup(pwd); err == nil {
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f.goWork = true
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// found an existing go.work file
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// os.Chdir(pwd)
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return pwd, nil
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} else {
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// if there is an error looking for the go.work file
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// default to using ~/go/src
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// log.Info("forge.digup() err", pwd, err)
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}
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} else {
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// this shouldn't really happen. maybe your working directory got deleted
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log.Info("forge.findGoSrc() os.Getwd() was probably deleted", pwd, err)
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}
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// there are no go.work files, resume the ~/go/src behavior from prior to golang 1.22
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pwd, err = useGoSrc()
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return pwd, err
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}
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// this is the 'old way" and works fine for me. I use it because I like the ~/go/src directory
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// because I know exactly what is in it: GO stuff & nothing else
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func useGoSrc() (string, error) {
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homeDir, err := os.UserHomeDir()
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if err != nil {
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return "", err
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}
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pwd := filepath.Join(homeDir, "go/src")
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err = os.MkdirAll(pwd, os.ModePerm)
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return pwd, err
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}
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func (f *Forge) goWorkExists() bool {
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var err error
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workFilePath := filepath.Join(f.GetGoSrc(), "go.work")
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if _, err = os.Stat(workFilePath); err == nil {
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// log.Info("f.goWorkExists() found", workFilePath)
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return true
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} else if !os.IsNotExist(err) {
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// log.Info("f.goWorkExists() missing", workFilePath)
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return false
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}
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// probably false, but some other error
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// log.Info("f.goWorkExists() os.Stat() error", err, workFilePath)
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return false
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}
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func digup(path string) (string, error) {
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for {
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workFilePath := filepath.Join(path, "go.work")
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if _, err := os.Stat(workFilePath); err == nil {
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return path, nil // Found the go.work file
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} else if !os.IsNotExist(err) {
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return "", err // An error other than not existing
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}
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parentPath := filepath.Dir(path)
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if parentPath == path {
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break // Reached the filesystem root
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}
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path = parentPath
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}
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return "", fmt.Errorf("no go.work file found")
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}
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