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take advantage of multiple-value functionality to bulk fetch hg-shas

Changeset 00a42bf04180…

Parent fbdf62764ba0…

by Profile picture of User 12Benjamin Pollack <benjamin@fogcreek.com>

Changes to 2 files · Browse files at 00a42bf04180 Showing diff from parent fbdf62764ba0 Diff from another changeset...

Change 1 of 3 Show Changes Only kiln/​api.go Stacked
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 package kiln    import (   "encoding/json"   "fmt" + "net/url"   "strconv"   "strings"  )    // Represents the error JSON returned by Kiln API requests  type ApiError struct {   // Guaranteed-unique code for Kiln errors   Code string `json:"codeError"`   // Human-readable description   Description string `json:"sError"`  }    // Represents a collection of JSON errors, as returned on API failure  type ApiErrors map[string][]ApiError    // Represents the project JSON returned from the Kiln API  type Project struct {   Id int64 `json:"ixProject"`   Slug string `json:"sSlug"`   Name string `json:"sName"`   Description string `json:"sDescription"`   DefaultPermission string `json:"permissionDefault"`   RepoGroups []RepoGroup  }    type RepoGroup struct {   Id int64 `json:"ixRepoGroup"`   ProjectId int64 `json:"ixProject"`   Slug string `json:"sSlug"`   Name string `json:"sName"`   Repos []Repo `json:"repos"`  }    type Repo struct {   Id int64 `json:"ixRepo"`   RepoGroupId int64 `json:"ixRepoGroup"`   ParentId int64 `json:"ixParent"`   IsCentral bool `json:"fCentral"`   Slug string `json:"sSlug"`   GroupSlug string `json:"sGroupSlug"`   ProjectSlug string `json:"sProjectSlug"`   GitUrl string `json:"sGitUrl"`   GitSshUrl string `json:"sGitSshUrl"`   Name string `json:"sName"`   Description string `json:"sDescription"`   Status string `json:"sStatus"`   Size int64 `json:"bytesSize"`   Vcs int `json:"vcs"`   Creator Person `json:"personCreator"`   DefaultPermission string `json:"permissionDefault"`   Branches []Repo `json:"repoBranches"`  }    type Changeset struct {   Rev string `json:"rev"`   Author string `json:"sAuthor"`   Description string `json:"sDescription"`   Bugs []int `json:"ixBugs"`   Reviews []int `json:"ixReviews"`   Vcs string `json:"vcs"`   MercurialSHAs []string `json:"revsHg"`   GitSHAs []string `json:"revsGit"`  }    type Person struct {   Id int64 `json:"ixPerson"`   Name string `json:"sName"`   Email string `json:"sEmail"`  }    func (k *Client) CreateBranch(repoPath, branchName string) (newRepo *Repo, err error) {   r, err := k.RepoForPath(repoPath)   if err != nil {   return   }   params := apiParams{   "sName": branchName,   "ixRepoGroup": strconv.FormatInt(r.RepoGroupId, 10),   "ixParent": strconv.FormatInt(r.Id, 10),   "fCentral": "false",   }   var resp []byte   if resp, err = k.apiPost("Repo/Create", params); err == nil {   var errors ApiErrors   if err = json.Unmarshal(resp, &errors); err == nil {   if kilnErr, _ := errors["errors"]; len(kilnErr) > 0 {   err = fmt.Errorf("failed: %v", kilnErr[0].Description)   return   }   }   newRepo = new(Repo)   err = json.Unmarshal(resp, newRepo)   return   }   return  }    func (k *Client) Projects() (projects []Project, err error) {   if resp, err := k.apiGet("Project", apiParams{}); err == nil {   err = json.Unmarshal(resp, &projects)   }   return  }    func (k *Client) RepoForPath(repoPath string) (*Repo, error) {   parts := strings.Split(repoPath, "/")   if len(parts) != 3 {   return nil, fmt.Errorf("unknown repository target: %v", repoPath)   }   if projects, err := k.Projects(); err == nil {   for _, project := range projects {   for _, repoGroup := range project.RepoGroups {   for _, repo := range repoGroup.Repos {   if strings.EqualFold(repo.ProjectSlug, parts[0]) &&   strings.EqualFold(repo.GroupSlug, parts[1]) &&   strings.EqualFold(repo.Slug, parts[2]) {   return &repo, nil   }   }   }   }   }   return nil, fmt.Errorf("repository not found")  }    func (k *Client) IdForRepo(repoPath string) (int64, error) {   repo, err := k.RepoForPath(repoPath)   if err != nil {   return -1, err   }   return repo.Id, nil  }    func (k *Client) RelatedRepos(repoPath string) (repos []Repo, err error) {   repoId, err := k.IdForRepo(repoPath)   if err == nil {   resp, err := k.apiGet(fmt.Sprintf("Repo/%v/Related", repoId), apiParams{})   if err == nil {   err = json.Unmarshal(resp, &repos)   }   }   return  }   -func (k *Client) MercurialEquivalent(repoPath, commit string) (hgSHAs []string, err error) { +func (k *Client) MercurialEquivalents(repoPath string, commits []string) (equivalents map[string][]string, err error) {   var repoId int64   var resp []byte - var fullSHA string     repoId, err = k.IdForRepo(repoPath)   if err != nil {   return   } - fullSHA, err = k.ResolveSHA(commit) - if err != nil { - return - } - resp, err = k.apiGet(fmt.Sprintf("Repo/%v/History", repoId), apiParams{"revs": fullSHA}) + resp, err = k.apiRequest(fmt.Sprintf("Repo/%v/History", repoId), url.Values{"revs": commits}, "GET")   if err != nil {   return   }   var errors ApiErrors   if err = json.Unmarshal(resp, &errors); err == nil {   if apiErrors, _ := errors["errors"]; len(apiErrors) > 0 {   err = fmt.Errorf("failed: %v", apiErrors[0].Description)   }   }   var changesets []Changeset   if err = json.Unmarshal(resp, &changesets); err != nil {   err = fmt.Errorf("unable to process response: %v", err)   } else { + equivalents = make(map[string][]string)   for _, changeset := range changesets { - hgSHAs = append(hgSHAs, changeset.MercurialSHAs...) + equivalents[changeset.GitSHAs[0]] = changeset.MercurialSHAs   }   }   return  }
Change 1 of 1 Show Entire File main.go Stacked
 
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@@ -235,11 +235,20 @@
  case "hg-sha":   if ensureArgs(3, "you must provide at least one commit SHA to lookup") {   requireAuth(k) + commits := make([]string, 0, len(os.Args)-2)   for _, commit := range os.Args[2:len(os.Args)] { - if equivalent, err := k.MercurialEquivalent(repoPath, commit); err == nil { - fmt.Printf("%v: %v\n", commit, equivalent) + if fullSHA, err := k.ResolveSHA(commit); err != nil { + fmt.Fprintf(os.Stderr, "WARNING: Unable to resolve %v\n", commit)   } else { - fmt.Printf("%v: <none found> (%v)\n", commit, err) + commits = append(commits, fullSHA) + } + } + equivalents, err := k.MercurialEquivalents(repoPath, commits) + if err != nil { + fmt.Printf("Unable to look up Mercurial SHAs: %v\n", err) + } else { + for gitSHA, hgSHAs := range equivalents { + fmt.Printf("Git[%v]: Hg%v\n", gitSHA, hgSHAs)   }   }   }