package main

import (
    "path/filepath"
    "regexp"
)


type GitRepository struct {
    Owner string
    Repository string
}

type RepoID = string


func (repo *GitRepository) ID() RepoID {
    return "~" + repo.Owner + "/" + repo.Repository + ".git"
}

func ParseGitRepositoryID(id RepoID) (repo *GitRepository, ok bool) {
    re := regexp.MustCompile(`^~([0-9a-z_.-]+)/([0-9a-z_.-]+)\.git$`)
    smatchs := re.FindStringSubmatch(id)
    if len(smatchs) != 3 {
        return
    }
    return &GitRepository{Owner: smatchs[1], Repository: smatchs[2],}, true
}

// an absolute path to the git repository's root
func (repo *GitRepository) Path(repoRoot string) string {
    return filepath.Join(repoRoot, repo.ID())
}