doSmart.go


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package main

import (
	"go.wit.com/lib/protobuf/gitpb"
	"go.wit.com/log"
)

// this will make go.mod and go.sum files, but you have to
// have the files in .gitignore for now
func doSmart(repo *gitpb.Repo) error {
	// if the repo has go.mod in the repo...
	if err := repo.RepoIgnoresGoMod(); err != nil {
		if repo.ParseGoSum() {
			return nil
		}
		log.Info("go-mod-clean can not run on this repo", repo.GetGoPath())
		log.Info("go.mod and go.sum must be git metadata to continue")
		// return nil
		if repo.Exists("go.sum") {
			return nil
		}
	}
	// erase the go.mod and go.sum files
	eraseGoMod(repo)

	// try to restore from the git metadata
	cname := repo.GetCurrentBranchName()
	if err := repo.AutogenRestore(cname); err == nil {
		log.Info(repo.GetGoPath(), "files were restored ok from git metadata (notes)")
		if repo.Exists("go.mod") {
			return nil
		}
		// autogen restore didn't find go.mod
	}

	// actually will re-create go.sum and go.mod now
	if err := redoGoMod(repo); err != nil {
		return err
	}
	log.Info(repo.GetGoPath(), "the files were restored with redoGoMod()")
	if repo.Exists("go.mod") {
		return nil
	}

	// the first time, it'll attempt to fix some stuff
	if err := cleanGoDepsCheckOk(repo); err != nil {
		return err
	}

	// trim junk that might have been added by cleanGoDepsCheckOk()
	if err := trimGoSum(repo); err != nil {
		return err
	}
	return nil
}