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path: root/doMerge.go
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// Copyright 2017-2025 WIT.COM Inc. All rights reserved.
// Use of this source code is governed by the GPL 3.0

package main

import (
	"time"

	"go.wit.com/lib/config"
	"go.wit.com/lib/gui/shell"
	"go.wit.com/lib/protobuf/forgepb"
	"go.wit.com/lib/protobuf/gitpb"
	"go.wit.com/log"
)

func doMerge() error {
	if argv.All == true {
		start := time.Now()
		repos, err := doMergeDevel()
		dur := time.Since(start)
		if err != nil {
			badExit(err)
		}
		log.Printf("Merged %d devel branches in %s\n", repos.Len(), shell.FormatDuration(dur))

		start = time.Now()
		repos, err = doMergeMaster()
		dur = time.Since(start)
		if err != nil {
			badExit(err)
		}
		log.Printf("Merged %d master branches in %s\n", repos.Len(), shell.FormatDuration(dur))
		okExit("")
	}
	if argv.Merge.Devel != nil {
		start := time.Now()
		repos, err := doMergeDevel()
		dur := time.Since(start)
		if err != nil {
			badExit(err)
		}
		log.Printf("Merged %d devel branches in %s\n", repos.Len(), shell.FormatDuration(dur))
		okExit("")
	}
	if argv.Merge.Master != nil {
		start := time.Now()
		repos, err := doMergeMaster()
		dur := time.Since(start)
		if err != nil {
			badExit(err)
		}
		log.Printf("Merged %d master branches in %s\n", repos.Len(), shell.FormatDuration(dur))
		okExit("")
	}
	if argv.Merge.Check != nil {
		if err := safeToPublish(); err != nil {
			me.sh.BadExit("Merge is not complete. Not safe to Publish.", err)
		}
		okExit("")
	}
	if showWorkRepos() {
		// found some repos at least
	} else {
		// every repo is in a really clean state. no extra files anywhere
		// no dirty repos, no repos that need to be published
		// nothing different between user and master branch version. not common
		log.Info("There does't seem to be anything to merge. Your repos are very consistent.")
	}
	return nil
}

func hashesMatch(repo *gitpb.Repo) error {
	uhash := repo.ActualGetUserHash()
	dhash := repo.ActualGetDevelHash()
	mhashl, mhashr := repo.ActualGetMasterHash()
	// log.Info(uhash, dhash, mhashl, mhashr)
	if uhash != dhash {
		return log.Errorf("user does not match devel")
	}
	if dhash != mhashl {
		return log.Errorf("devel does not match mater")
	}
	if mhashl != mhashr {
		return log.Errorf("local master branch does not match remote branch")
	}
	return nil
}

func safeToPublish() error {
	// always run dirty first
	me.forge.CheckDirtyQuiet()

	// if no option is given to patch, list out the
	// repos that have patches ready in them
	found := findReposWithPatches()
	if found.Len() == 0 {
		log.Info("you currently have no repos with patches")
		return log.Errorf("no repos to publish")
	}
	// check if any are dirty
	for repo := range found.IterAll() {
		if repo.CheckDirty() {
			return log.Errorf("%s repo is dirty", repo.FullPath)
		}
	}
	// check the hashes
	for repo := range found.IterAll() {
		if err := hashesMatch(repo); err != nil {
			log.Info("hash mismatch", repo.FullPath, err)
			return err
		}
	}
	// move them all the the master branch
	var bad bool
	for repo := range found.IterAll() {
		if repo.GetCurrentBranchName() != repo.GetMasterBranchName() {
			repo.CheckoutMaster()
			bad = true
		}
	}
	if bad {
		return log.Errorf("some repos had to be switched to the master branch")
	}
	if !argv.Force {
		return log.Errorf("notsure. it might be safe to publish(?)")
	}
	return nil
}

func doMergeReport() *forgepb.Patches {
	found := forgepb.NewPatches()
	for repo := range me.forge.Repos.IterAll() {
		if repo.GetDevelVersion() == repo.GetMasterVersion() {
			continue
		}
		tmp := log.Sprintf("%s..%s", repo.GetMasterVersion(), repo.GetDevelVersion())
		r, err := repo.RunStrict([]string{"git", "log", "--pretty=format:%H", tmp})
		_ = err
		for i, line := range r.Stdout {
			log.Info(i, line, repo.FullPath)
		}
	}
	return found
}

func doMergeDevel() (*gitpb.Repos, error) {
	var err error
	done := gitpb.NewRepos()
	found := findMergeToDevel()
	for repo := range found.IterAll() {
		if _, err := repo.MergeToDevel(); err != nil {
			log.Info("merge from user 2 failed", repo.GetGoPath(), err)
			// err := log.Errorf("merge from user failed")
			// log.Info(strings.Join(r.Stdout, "\n"))
			// log.Info(strings.Join(r.Stderr, "\n"))
			badExit(err)
		}
		config.SetChanged("repos", true)
		// repoMergeToDevel(repo)
		/*
			if repo.CheckDirty() {
				log.Info("repo is dirty", repo.GetFullPath())
				continue
			}
			log.Infof("%s starting git merge\n", repo.FullPath)
			if repo.CheckoutDevel() {
				log.Info("checkout devel failed", repo.GetGoPath())
				err = log.Errorf("checkout devel failed")
				badExit(err)
			}
			// hash differences when merging user into devel branch
			out := repo.GetBranchDifferences(repo.GetDevelBranchName(), repo.GetUserBranchName())
			for i, hash := range out {
				log.Info("MERGE HASHES TO DEVEL:", i, hash)
			}
			if _, err := repo.MergeToDevel(); err != nil {
				log.Info("merge from user 1 failed", repo.GetGoPath(), err)
				err = log.Errorf("merge from user 1 failed")
				// log.Info(strings.Join(r.Stdout, "\n"))
				// log.Info(strings.Join(r.Stderr, "\n"))
				badExit(err)
			}
			done.Append(repo)
			config.SetChanged("repos", true)
		*/
	}
	return done, err
}

/*
func repoMergeToDevel(repo *gitpb.Repo) error {
	if _, err := repo.MergeToDevel(); err != nil {
		log.Info("merge from user 3 failed", repo.GetGoPath(), err)
		// err := log.Errorf("merge from user failed")
		// log.Info(strings.Join(r.Stdout, "\n"))
		// log.Info(strings.Join(r.Stderr, "\n"))
		badExit(err)
	}
	config.SetChanged("repos", true)
	return nil
}
*/

func doMergeMaster() (*gitpb.Repos, error) {
	var err error
	setForgeMode(forgepb.ForgeMode_MASTER)

	done := gitpb.NewRepos()
	found := findMergeToMaster()
	for repo := range found.IterAll() {
		if _, err := repo.MergeToMaster(); err != nil {
			log.Info("merge from devel 1 failed", repo.GetGoPath(), err)
			err = log.Errorf("merge from devel 1 failed")
			badExit(err)
		}

		done.Append(repo)
		config.SetChanged("repos", true)
	}
	return done, err
}