// RemoveRepo removes go-gettable repo with no local changes (by moving it into trash).
// importPathPattern must match exactly with the repo root.
// For example, "github.com/user/repo/...".
func RemoveRepo(importPathPattern string) error {
// TODO: Use an official Go package for `go list` functionality whenever possible.
importPaths := gotool.ImportPaths([]string{importPathPattern})
if len(importPaths) == 0 {
return errors.New("no packages to remove")
}
var firstGoPackage *gist7480523.GoPackage
for i, importPath := range importPaths {
goPackage := gist7480523.GoPackageFromImportPath(importPath)
if goPackage == nil {
return errors.New("Import Path not found: " + importPath)
}
if goPackage.Bpkg.Goroot {
return errors.New("can't remove packages from GOROOT")
}
goPackage.UpdateVcs()
if goPackage.Dir.Repo == nil {
return errors.New("can't get repo status")
}
if i == 0 {
firstGoPackage = goPackage
} else if firstGoPackage.Dir.Repo != goPackage.Dir.Repo {
return errors.New("matched Go Packages span more than 1 repo: " + firstGoPackage.Dir.Repo.Vcs.RootPath() + " != " + goPackage.Dir.Repo.Vcs.RootPath())
} else if !strings.HasPrefix(goPackage.Bpkg.Dir, firstGoPackage.Dir.Repo.Vcs.RootPath()) { // TODO: This is probably not neccessary...
return errors.New("Go Package not inside repo: " + goPackage.Bpkg.Dir + " doesn't have prefix " + firstGoPackage.Dir.Repo.Vcs.RootPath())
}
}
if repoImportPathPattern := gist7480523.GetRepoImportPathPattern(firstGoPackage.Dir.Repo.Vcs.RootPath(), firstGoPackage.Bpkg.SrcRoot); repoImportPathPattern != importPathPattern {
return errors.New("importPathPattern not exact repo root match: " + importPathPattern + " != " + repoImportPathPattern)
}
firstGoPackage.UpdateVcsFields()
cleanStatus := func(goPackage *gist7480523.GoPackage) bool {
packageStatus := presenter(goPackage)[:4]
return packageStatus == " " || packageStatus == " + " // Updates are okay to ignore.
}
if !cleanStatus(firstGoPackage) {
return errors.New("non-clean status: " + presenter(firstGoPackage))
}
err := trash.MoveTo(firstGoPackage.Dir.Repo.Vcs.RootPath())
return err
// TODO: Clean up /pkg folder contents, if any, etc.
}
// getRootPath returns the root path of the given goPackage.
func getRootPath(goPackage *gist7480523.GoPackage) (rootPath string) {
if goPackage.Bpkg.Goroot {
return ""
}
goPackage.UpdateVcs()
if goPackage.Dir.Repo == nil {
return ""
} else {
return goPackage.Dir.Repo.Vcs.RootPath()
}
}