forgepb/repoNew.go

// Copyright 2025 WIT.COM Inc Licensed GPL 3.0

package forgepb

import (
	"fmt"
	"os"
	"path/filepath"
	"regexp"
	"strings"

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

func (f *Forge) NewGoRepo(gopath string, url string) (*gitpb.Repo, error) {
	fullpath := filepath.Join(f.GetGoSrc(), gopath)
	test := f.Repos.FindByFullPath(fullpath)
	if test != nil {
		return test, nil
	}
	if gopath == "" {
		log.Info("TODO: gopath was blank. I'm not sure what is happening here, but this needs to determine the repo Namespace. all calls to NewGoRepo() need to be deprecated. Someone will have to do this when I have funding for WIT. If you are the one looking at this, track me down and I will help do this correctly.")
		return nil, log.Errorf("gopath was blank")
	}
	repo, err := f.Repos.NewGoRepo(fullpath, gopath)
	if err != nil {
		log.Info("WARNING. NEW FAILED", fullpath, err)
		return nil, err
	}
	// slices.Reverse(f.Repos.Repos)

	repo.URL = url
	f.VerifyBranchNames(repo)
	if f.Config.IsReadOnly(repo.GetGoPath()) {
		repo.ReadOnly = true
	}
	repo.Reload()
	return repo, nil
}

// used by the forge daemon
func (f *Forge) AddNamespaceDir(ns string, fullpath string) (*gitpb.Repo, error) {
	test := f.Repos.FindByNamespace(ns)
	if test != nil {
		return test, fmt.Errorf("already have namespace")
	}
	repo, err := f.Repos.NewGoRepo(fullpath, ns)
	if err != nil {
		log.Info("WARNING. NEW FAILED", fullpath)
		return nil, err
	}
	// slices.Reverse(f.Repos.Repos)

	// repo.URL = url
	f.VerifyBranchNames(repo)
	repo.Reload()
	return repo, nil
}

func isValidSemVer(version string) bool {
	// Regular expression for semantic versioning
	regex := `^v(\d+)\.(\d+)\.(\d+)$`
	matched, _ := regexp.MatchString(regex, version)
	return matched
}

// golang versions MUST be vX.X.X
// it can not be vX.X and it also can not be v0.0.0
// verifies the version is format v3.2.1
// this is retardedly wrong. it needs to be done right
func (f *Forge) ValidGoVersion(ver string) (bool, error) {
	return ValidGoVersion(ver)
}

func ValidGoVersion(ver string) (bool, error) {
	if ver == "v0.0.0" {
		return false, fmt.Errorf("golang does not allow version v0.0.0")
	}
	if !strings.HasPrefix(ver, "v") {
		return false, fmt.Errorf("(%s) invalid. golang versions must start with a 'v'", ver)
	}
	xver := ver[1:]
	parts := strings.Split(xver, ".")
	if len(parts) != 3 {
		return false, fmt.Errorf("(%s) invalid. golang versions must have exactly 3 numbers (v1.2.3)", ver)
	}
	if isValidSemVer(ver) {
		return true, nil
	}
	return false, nil
}

// figure out what the name of the git master branch is
// also check the forge config
func (f *Forge) findMasterBranch(repo *gitpb.Repo) {
	// check the forge config first
	if bname := f.Config.FindMasterBranch(repo.GetGoPath()); bname != "" {
		log.Info("Using master branch name from forge config:", bname)
		repo.SetMasterBranchName(bname)
		return
	}
	// todo: fix this after .git parsing is better or libgit2 is being used
	headfile := filepath.Join(repo.GetFullPath(), ".git/refs/remotes/origin/HEAD")
	if data, err := os.ReadFile(headfile); err == nil {
		s := string(data)
		if strings.HasPrefix(s, "ref: ") {
			fields := strings.Fields(s)
			_, bname := filepath.Split(fields[1])
			// log.Info("Using master branch name from .git/ HEAD:", bname)
			repo.SetMasterBranchName(bname)
			return
		}
	}

	// try to guess what the 'master' branch is
	if repo.IsBranch("master") {
		repo.SetMasterBranchName("master")
		return
	}

	if repo.IsBranch("main") {
		repo.SetMasterBranchName("main")
		return
	}

	// TODO: figure out the name from git
	repo.SetMasterBranchName("master")
}

// figure out what the name of the git devel branch is
// also check the forge config
func (f *Forge) findDevelBranch(repo *gitpb.Repo) {
	// check the forge config first
	if bname := f.Config.FindDevelBranch(repo.GetGoPath()); bname != "" {
		repo.SetDevelBranchName(bname)
		return
	}

	if repo.IsBranch("devel") {
		repo.SetDevelBranchName("devel")
		return
	}

	repo.SetDevelBranchName("devel")
}

// this is still in flux
func (f *Forge) VerifyBranchNames(repo *gitpb.Repo) {
	// log.Info("init worked for", repo.GoPath)

	if repo.GetMasterBranchName() == "" {
		f.findMasterBranch(repo)
	}

	if repo.GetDevelBranchName() == "" {
		f.findDevelBranch(repo)
	}

	if repo.GetUserBranchName() == "" {
		uname := f.configUserBranchName(repo)
		if repo.IsBranch(uname) {
			repo.SetUserBranchName(uname)
		} else {
			// forcing for now. todo: warn users
			repo.SetUserBranchName(uname)
		}
	}
}

// what name should be used for the user branch?
func (f *Forge) configUserBranchName(repo *gitpb.Repo) string {
	// look in the repo record for the username
	uname := repo.GetUserBranchName()
	if uname != "" {
		return uname
	}

	// query the the forge config for a custom User Branch Name
	uname = f.Config.FindUserBranch(repo.GetGoPath())
	if uname != "" {
		return uname
	}

	// use the os.Username
	uname = f.Config.Username
	return uname
}

// todo: check the forge config
func (f *Forge) configDevelBranchName(repo *gitpb.Repo) string {
	if repo.GetDevelBranchName() != "" {
		return repo.GetDevelBranchName()
	}
	if repo.IsBranch("guidevel") {
		return "guidevel"
	}
	if repo.IsBranch("devel") {
		return "devel"
	}
	return "devel"
}

func (f *Forge) AddFullPath(fulldir string) *gitpb.Repo {
	repo := f.Repos.FindByFullPath(fulldir)
	if repo != nil {
		return repo
	}
	log.Info("don't know how to add full paths yet", fulldir)
	return nil
}

func (f *Forge) FindByGoPath(gopath string) *gitpb.Repo {
	fullpath := filepath.Join(f.GetGoSrc(), gopath)
	return f.Repos.FindByFullPath(fullpath)
}

// tries any parent
func (f *Forge) FindAnyPath(dir string) *gitpb.Repo {
	dir = filepath.Clean(dir)
	repo := f.Repos.FindByFullPath(dir)
	if repo != nil {
		log.Info("FindAnyPath() worked = ", dir)
		return repo
	}
	if dir == "" {
		return nil
	}
	if dir == "/" {
		return nil
	}
	basedir, newdir := filepath.Split(dir)
	if newdir == "" {
		// is this correct? not sure what stupid windows does
		return nil
	}
	return f.FindAnyPath(basedir)
}

func (f *Forge) DeleteByGoPath(gopath string) bool {
	fullpath := filepath.Join(f.GetGoSrc(), gopath)
	return f.Repos.DeleteByFullPath(fullpath)
}