| // Copyright 2012 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package vcs // import "golang.org/x/tools/go/vcs" |
| |
| import ( |
| "bytes" |
| "encoding/json" |
| "errors" |
| "fmt" |
| "log" |
| "os" |
| "os/exec" |
| "path/filepath" |
| "regexp" |
| "strconv" |
| "strings" |
| ) |
| |
| // Verbose enables verbose operation logging. |
| var Verbose bool |
| |
| // ShowCmd controls whether VCS commands are printed. |
| var ShowCmd bool |
| |
| // A Cmd describes how to use a version control system |
| // like Mercurial, Git, or Subversion. |
| type Cmd struct { |
| Name string |
| Cmd string // name of binary to invoke command |
| |
| CreateCmd string // command to download a fresh copy of a repository |
| DownloadCmd string // command to download updates into an existing repository |
| |
| TagCmd []TagCmd // commands to list tags |
| TagLookupCmd []TagCmd // commands to lookup tags before running tagSyncCmd |
| TagSyncCmd string // command to sync to specific tag |
| TagSyncDefault string // command to sync to default tag |
| |
| LogCmd string // command to list repository changelogs in an XML format |
| |
| Scheme []string |
| PingCmd string |
| } |
| |
| // A TagCmd describes a command to list available tags |
| // that can be passed to Cmd.TagSyncCmd. |
| type TagCmd struct { |
| Cmd string // command to list tags |
| Pattern string // regexp to extract tags from list |
| } |
| |
| // vcsList lists the known version control systems |
| var vcsList = []*Cmd{ |
| vcsHg, |
| vcsGit, |
| vcsSvn, |
| vcsBzr, |
| } |
| |
| // ByCmd returns the version control system for the given |
| // command name (hg, git, svn, bzr). |
| func ByCmd(cmd string) *Cmd { |
| for _, vcs := range vcsList { |
| if vcs.Cmd == cmd { |
| return vcs |
| } |
| } |
| return nil |
| } |
| |
| // vcsHg describes how to use Mercurial. |
| var vcsHg = &Cmd{ |
| Name: "Mercurial", |
| Cmd: "hg", |
| |
| CreateCmd: "clone -U {repo} {dir}", |
| DownloadCmd: "pull", |
| |
| // We allow both tag and branch names as 'tags' |
| // for selecting a version. This lets people have |
| // a go.release.r60 branch and a go1 branch |
| // and make changes in both, without constantly |
| // editing .hgtags. |
| TagCmd: []TagCmd{ |
| {"tags", `^(\S+)`}, |
| {"branches", `^(\S+)`}, |
| }, |
| TagSyncCmd: "update -r {tag}", |
| TagSyncDefault: "update default", |
| |
| LogCmd: "log --encoding=utf-8 --limit={limit} --template={template}", |
| |
| Scheme: []string{"https", "http", "ssh"}, |
| PingCmd: "identify {scheme}://{repo}", |
| } |
| |
| // vcsGit describes how to use Git. |
| var vcsGit = &Cmd{ |
| Name: "Git", |
| Cmd: "git", |
| |
| CreateCmd: "clone {repo} {dir}", |
| DownloadCmd: "pull --ff-only", |
| |
| TagCmd: []TagCmd{ |
| // tags/xxx matches a git tag named xxx |
| // origin/xxx matches a git branch named xxx on the default remote repository |
| {"show-ref", `(?:tags|origin)/(\S+)$`}, |
| }, |
| TagLookupCmd: []TagCmd{ |
| {"show-ref tags/{tag} origin/{tag}", `((?:tags|origin)/\S+)$`}, |
| }, |
| TagSyncCmd: "checkout {tag}", |
| TagSyncDefault: "checkout master", |
| |
| Scheme: []string{"git", "https", "http", "git+ssh"}, |
| PingCmd: "ls-remote {scheme}://{repo}", |
| } |
| |
| // vcsBzr describes how to use Bazaar. |
| var vcsBzr = &Cmd{ |
| Name: "Bazaar", |
| Cmd: "bzr", |
| |
| CreateCmd: "branch {repo} {dir}", |
| |
| // Without --overwrite bzr will not pull tags that changed. |
| // Replace by --overwrite-tags after http://pad.lv/681792 goes in. |
| DownloadCmd: "pull --overwrite", |
| |
| TagCmd: []TagCmd{{"tags", `^(\S+)`}}, |
| TagSyncCmd: "update -r {tag}", |
| TagSyncDefault: "update -r revno:-1", |
| |
| Scheme: []string{"https", "http", "bzr", "bzr+ssh"}, |
| PingCmd: "info {scheme}://{repo}", |
| } |
| |
| // vcsSvn describes how to use Subversion. |
| var vcsSvn = &Cmd{ |
| Name: "Subversion", |
| Cmd: "svn", |
| |
| CreateCmd: "checkout {repo} {dir}", |
| DownloadCmd: "update", |
| |
| // There is no tag command in subversion. |
| // The branch information is all in the path names. |
| |
| LogCmd: "log --xml --limit={limit}", |
| |
| Scheme: []string{"https", "http", "svn", "svn+ssh"}, |
| PingCmd: "info {scheme}://{repo}", |
| } |
| |
| func (v *Cmd) String() string { |
| return v.Name |
| } |
| |
| // run runs the command line cmd in the given directory. |
| // keyval is a list of key, value pairs. run expands |
| // instances of {key} in cmd into value, but only after |
| // splitting cmd into individual arguments. |
| // If an error occurs, run prints the command line and the |
| // command's combined stdout+stderr to standard error. |
| // Otherwise run discards the command's output. |
| func (v *Cmd) run(dir string, cmd string, keyval ...string) error { |
| _, err := v.run1(dir, cmd, keyval, true) |
| return err |
| } |
| |
| // runVerboseOnly is like run but only generates error output to standard error in verbose mode. |
| func (v *Cmd) runVerboseOnly(dir string, cmd string, keyval ...string) error { |
| _, err := v.run1(dir, cmd, keyval, false) |
| return err |
| } |
| |
| // runOutput is like run but returns the output of the command. |
| func (v *Cmd) runOutput(dir string, cmd string, keyval ...string) ([]byte, error) { |
| return v.run1(dir, cmd, keyval, true) |
| } |
| |
| // run1 is the generalized implementation of run and runOutput. |
| func (v *Cmd) run1(dir string, cmdline string, keyval []string, verbose bool) ([]byte, error) { |
| m := make(map[string]string) |
| for i := 0; i < len(keyval); i += 2 { |
| m[keyval[i]] = keyval[i+1] |
| } |
| args := strings.Fields(cmdline) |
| for i, arg := range args { |
| args[i] = expand(m, arg) |
| } |
| |
| _, err := exec.LookPath(v.Cmd) |
| if err != nil { |
| fmt.Fprintf(os.Stderr, |
| "go: missing %s command. See http://golang.org/s/gogetcmd\n", |
| v.Name) |
| return nil, err |
| } |
| |
| cmd := exec.Command(v.Cmd, args...) |
| cmd.Dir = dir |
| cmd.Env = envForDir(cmd.Dir) |
| if ShowCmd { |
| fmt.Printf("cd %s\n", dir) |
| fmt.Printf("%s %s\n", v.Cmd, strings.Join(args, " ")) |
| } |
| var buf bytes.Buffer |
| cmd.Stdout = &buf |
| cmd.Stderr = &buf |
| err = cmd.Run() |
| out := buf.Bytes() |
| if err != nil { |
| if verbose || Verbose { |
| fmt.Fprintf(os.Stderr, "# cd %s; %s %s\n", dir, v.Cmd, strings.Join(args, " ")) |
| os.Stderr.Write(out) |
| } |
| return nil, err |
| } |
| return out, nil |
| } |
| |
| // Ping pings the repo to determine if scheme used is valid. |
| // This repo must be pingable with this scheme and VCS. |
| func (v *Cmd) Ping(scheme, repo string) error { |
| return v.runVerboseOnly(".", v.PingCmd, "scheme", scheme, "repo", repo) |
| } |
| |
| // Create creates a new copy of repo in dir. |
| // The parent of dir must exist; dir must not. |
| func (v *Cmd) Create(dir, repo string) error { |
| return v.run(".", v.CreateCmd, "dir", dir, "repo", repo) |
| } |
| |
| // CreateAtRev creates a new copy of repo in dir at revision rev. |
| // The parent of dir must exist; dir must not. |
| // rev must be a valid revision in repo. |
| func (v *Cmd) CreateAtRev(dir, repo, rev string) error { |
| if err := v.Create(dir, repo); err != nil { |
| return err |
| } |
| return v.run(dir, v.TagSyncCmd, "tag", rev) |
| } |
| |
| // Download downloads any new changes for the repo in dir. |
| // dir must be a valid VCS repo compatible with v. |
| func (v *Cmd) Download(dir string) error { |
| return v.run(dir, v.DownloadCmd) |
| } |
| |
| // Tags returns the list of available tags for the repo in dir. |
| // dir must be a valid VCS repo compatible with v. |
| func (v *Cmd) Tags(dir string) ([]string, error) { |
| var tags []string |
| for _, tc := range v.TagCmd { |
| out, err := v.runOutput(dir, tc.Cmd) |
| if err != nil { |
| return nil, err |
| } |
| re := regexp.MustCompile(`(?m-s)` + tc.Pattern) |
| for _, m := range re.FindAllStringSubmatch(string(out), -1) { |
| tags = append(tags, m[1]) |
| } |
| } |
| return tags, nil |
| } |
| |
| // TagSync syncs the repo in dir to the named tag, |
| // which either is a tag returned by tags or is v.TagDefault. |
| // dir must be a valid VCS repo compatible with v and the tag must exist. |
| func (v *Cmd) TagSync(dir, tag string) error { |
| if v.TagSyncCmd == "" { |
| return nil |
| } |
| if tag != "" { |
| for _, tc := range v.TagLookupCmd { |
| out, err := v.runOutput(dir, tc.Cmd, "tag", tag) |
| if err != nil { |
| return err |
| } |
| re := regexp.MustCompile(`(?m-s)` + tc.Pattern) |
| m := re.FindStringSubmatch(string(out)) |
| if len(m) > 1 { |
| tag = m[1] |
| break |
| } |
| } |
| } |
| if tag == "" && v.TagSyncDefault != "" { |
| return v.run(dir, v.TagSyncDefault) |
| } |
| return v.run(dir, v.TagSyncCmd, "tag", tag) |
| } |
| |
| // Log logs the changes for the repo in dir. |
| // dir must be a valid VCS repo compatible with v. |
| func (v *Cmd) Log(dir, logTemplate string) ([]byte, error) { |
| if err := v.Download(dir); err != nil { |
| return []byte{}, err |
| } |
| |
| const N = 50 // how many revisions to grab |
| return v.runOutput(dir, v.LogCmd, "limit", strconv.Itoa(N), "template", logTemplate) |
| } |
| |
| // LogAtRev logs the change for repo in dir at the rev revision. |
| // dir must be a valid VCS repo compatible with v. |
| // rev must be a valid revision for the repo in dir. |
| func (v *Cmd) LogAtRev(dir, rev, logTemplate string) ([]byte, error) { |
| if err := v.Download(dir); err != nil { |
| return []byte{}, err |
| } |
| |
| // Append revision flag to LogCmd. |
| logAtRevCmd := v.LogCmd + " --rev=" + rev |
| return v.runOutput(dir, logAtRevCmd, "limit", strconv.Itoa(1), "template", logTemplate) |
| } |
| |
| // A vcsPath describes how to convert an import path into a |
| // version control system and repository name. |
| type vcsPath struct { |
| prefix string // prefix this description applies to |
| re string // pattern for import path |
| repo string // repository to use (expand with match of re) |
| vcs string // version control system to use (expand with match of re) |
| check func(match map[string]string) error // additional checks |
| ping bool // ping for scheme to use to download repo |
| |
| regexp *regexp.Regexp // cached compiled form of re |
| } |
| |
| // FromDir inspects dir and its parents to determine the |
| // version control system and code repository to use. |
| // On return, root is the import path |
| // corresponding to the root of the repository. |
| func FromDir(dir, srcRoot string) (vcs *Cmd, root string, err error) { |
| // Clean and double-check that dir is in (a subdirectory of) srcRoot. |
| dir = filepath.Clean(dir) |
| srcRoot = filepath.Clean(srcRoot) |
| if len(dir) <= len(srcRoot) || dir[len(srcRoot)] != filepath.Separator { |
| return nil, "", fmt.Errorf("directory %q is outside source root %q", dir, srcRoot) |
| } |
| |
| for len(dir) > len(srcRoot) { |
| for _, vcs := range vcsList { |
| if fi, err := os.Stat(filepath.Join(dir, "."+vcs.Cmd)); err == nil && fi.IsDir() { |
| return vcs, filepath.ToSlash(dir[len(srcRoot)+1:]), nil |
| } |
| } |
| |
| // Move to parent. |
| ndir := filepath.Dir(dir) |
| if len(ndir) >= len(dir) { |
| // Shouldn't happen, but just in case, stop. |
| break |
| } |
| dir = ndir |
| } |
| |
| return nil, "", fmt.Errorf("directory %q is not using a known version control system", dir) |
| } |
| |
| // RepoRoot represents a version control system, a repo, and a root of |
| // where to put it on disk. |
| type RepoRoot struct { |
| VCS *Cmd |
| |
| // Repo is the repository URL, including scheme. |
| Repo string |
| |
| // Root is the import path corresponding to the root of the |
| // repository. |
| Root string |
| } |
| |
| // RepoRootForImportPath analyzes importPath to determine the |
| // version control system, and code repository to use. |
| func RepoRootForImportPath(importPath string, verbose bool) (*RepoRoot, error) { |
| rr, err := RepoRootForImportPathStatic(importPath, "") |
| if err == errUnknownSite { |
| rr, err = RepoRootForImportDynamic(importPath, verbose) |
| |
| // RepoRootForImportDynamic returns error detail |
| // that is irrelevant if the user didn't intend to use a |
| // dynamic import in the first place. |
| // Squelch it. |
| if err != nil { |
| if Verbose { |
| log.Printf("import %q: %v", importPath, err) |
| } |
| err = fmt.Errorf("unrecognized import path %q", importPath) |
| } |
| } |
| |
| if err == nil && strings.Contains(importPath, "...") && strings.Contains(rr.Root, "...") { |
| // Do not allow wildcards in the repo root. |
| rr = nil |
| err = fmt.Errorf("cannot expand ... in %q", importPath) |
| } |
| return rr, err |
| } |
| |
| var errUnknownSite = errors.New("dynamic lookup required to find mapping") |
| |
| // RepoRootForImportPathStatic attempts to map importPath to a |
| // RepoRoot using the commonly-used VCS hosting sites in vcsPaths |
| // (github.com/user/dir), or from a fully-qualified importPath already |
| // containing its VCS type (foo.com/repo.git/dir) |
| // |
| // If scheme is non-empty, that scheme is forced. |
| func RepoRootForImportPathStatic(importPath, scheme string) (*RepoRoot, error) { |
| if strings.Contains(importPath, "://") { |
| return nil, fmt.Errorf("invalid import path %q", importPath) |
| } |
| for _, srv := range vcsPaths { |
| if !strings.HasPrefix(importPath, srv.prefix) { |
| continue |
| } |
| m := srv.regexp.FindStringSubmatch(importPath) |
| if m == nil { |
| if srv.prefix != "" { |
| return nil, fmt.Errorf("invalid %s import path %q", srv.prefix, importPath) |
| } |
| continue |
| } |
| |
| // Build map of named subexpression matches for expand. |
| match := map[string]string{ |
| "prefix": srv.prefix, |
| "import": importPath, |
| } |
| for i, name := range srv.regexp.SubexpNames() { |
| if name != "" && match[name] == "" { |
| match[name] = m[i] |
| } |
| } |
| if srv.vcs != "" { |
| match["vcs"] = expand(match, srv.vcs) |
| } |
| if srv.repo != "" { |
| match["repo"] = expand(match, srv.repo) |
| } |
| if srv.check != nil { |
| if err := srv.check(match); err != nil { |
| return nil, err |
| } |
| } |
| vcs := ByCmd(match["vcs"]) |
| if vcs == nil { |
| return nil, fmt.Errorf("unknown version control system %q", match["vcs"]) |
| } |
| if srv.ping { |
| if scheme != "" { |
| match["repo"] = scheme + "://" + match["repo"] |
| } else { |
| for _, scheme := range vcs.Scheme { |
| if vcs.Ping(scheme, match["repo"]) == nil { |
| match["repo"] = scheme + "://" + match["repo"] |
| break |
| } |
| } |
| } |
| } |
| rr := &RepoRoot{ |
| VCS: vcs, |
| Repo: match["repo"], |
| Root: match["root"], |
| } |
| return rr, nil |
| } |
| return nil, errUnknownSite |
| } |
| |
| // RepoRootForImportDynamic finds a *RepoRoot for a custom domain that's not |
| // statically known by RepoRootForImportPathStatic. |
| // |
| // This handles custom import paths like "name.tld/pkg/foo" or just "name.tld". |
| func RepoRootForImportDynamic(importPath string, verbose bool) (*RepoRoot, error) { |
| slash := strings.Index(importPath, "/") |
| if slash < 0 { |
| slash = len(importPath) |
| } |
| host := importPath[:slash] |
| if !strings.Contains(host, ".") { |
| return nil, errors.New("import path doesn't contain a hostname") |
| } |
| urlStr, body, err := httpsOrHTTP(importPath) |
| if err != nil { |
| return nil, fmt.Errorf("http/https fetch: %v", err) |
| } |
| defer body.Close() |
| imports, err := parseMetaGoImports(body) |
| if err != nil { |
| return nil, fmt.Errorf("parsing %s: %v", importPath, err) |
| } |
| metaImport, err := matchGoImport(imports, importPath) |
| if err != nil { |
| if err != errNoMatch { |
| return nil, fmt.Errorf("parse %s: %v", urlStr, err) |
| } |
| return nil, fmt.Errorf("parse %s: no go-import meta tags", urlStr) |
| } |
| if verbose { |
| log.Printf("get %q: found meta tag %#v at %s", importPath, metaImport, urlStr) |
| } |
| // If the import was "uni.edu/bob/project", which said the |
| // prefix was "uni.edu" and the RepoRoot was "evilroot.com", |
| // make sure we don't trust Bob and check out evilroot.com to |
| // "uni.edu" yet (possibly overwriting/preempting another |
| // non-evil student). Instead, first verify the root and see |
| // if it matches Bob's claim. |
| if metaImport.Prefix != importPath { |
| if verbose { |
| log.Printf("get %q: verifying non-authoritative meta tag", importPath) |
| } |
| urlStr0 := urlStr |
| urlStr, body, err = httpsOrHTTP(metaImport.Prefix) |
| if err != nil { |
| return nil, fmt.Errorf("fetch %s: %v", urlStr, err) |
| } |
| imports, err := parseMetaGoImports(body) |
| if err != nil { |
| return nil, fmt.Errorf("parsing %s: %v", importPath, err) |
| } |
| if len(imports) == 0 { |
| return nil, fmt.Errorf("fetch %s: no go-import meta tag", urlStr) |
| } |
| metaImport2, err := matchGoImport(imports, importPath) |
| if err != nil || metaImport != metaImport2 { |
| return nil, fmt.Errorf("%s and %s disagree about go-import for %s", urlStr0, urlStr, metaImport.Prefix) |
| } |
| } |
| |
| if !strings.Contains(metaImport.RepoRoot, "://") { |
| return nil, fmt.Errorf("%s: invalid repo root %q; no scheme", urlStr, metaImport.RepoRoot) |
| } |
| rr := &RepoRoot{ |
| VCS: ByCmd(metaImport.VCS), |
| Repo: metaImport.RepoRoot, |
| Root: metaImport.Prefix, |
| } |
| if rr.VCS == nil { |
| return nil, fmt.Errorf("%s: unknown vcs %q", urlStr, metaImport.VCS) |
| } |
| return rr, nil |
| } |
| |
| // metaImport represents the parsed <meta name="go-import" |
| // content="prefix vcs reporoot" /> tags from HTML files. |
| type metaImport struct { |
| Prefix, VCS, RepoRoot string |
| } |
| |
| // errNoMatch is returned from matchGoImport when there's no applicable match. |
| var errNoMatch = errors.New("no import match") |
| |
| // matchGoImport returns the metaImport from imports matching importPath. |
| // An error is returned if there are multiple matches. |
| // errNoMatch is returned if none match. |
| func matchGoImport(imports []metaImport, importPath string) (_ metaImport, err error) { |
| match := -1 |
| for i, im := range imports { |
| if !strings.HasPrefix(importPath, im.Prefix) { |
| continue |
| } |
| if match != -1 { |
| err = fmt.Errorf("multiple meta tags match import path %q", importPath) |
| return |
| } |
| match = i |
| } |
| if match == -1 { |
| err = errNoMatch |
| return |
| } |
| return imports[match], nil |
| } |
| |
| // expand rewrites s to replace {k} with match[k] for each key k in match. |
| func expand(match map[string]string, s string) string { |
| for k, v := range match { |
| s = strings.Replace(s, "{"+k+"}", v, -1) |
| } |
| return s |
| } |
| |
| // vcsPaths lists the known vcs paths. |
| var vcsPaths = []*vcsPath{ |
| // go.googlesource.com |
| { |
| prefix: "go.googlesource.com", |
| re: `^(?P<root>go\.googlesource\.com/[A-Za-z0-9_.\-]+/?)$`, |
| vcs: "git", |
| repo: "https://{root}", |
| check: noVCSSuffix, |
| }, |
| |
| // Github |
| { |
| prefix: "github.com/", |
| re: `^(?P<root>github\.com/[A-Za-z0-9_.\-]+/[A-Za-z0-9_.\-]+)(/[A-Za-z0-9_.\-]+)*$`, |
| vcs: "git", |
| repo: "https://{root}", |
| check: noVCSSuffix, |
| }, |
| |
| // Bitbucket |
| { |
| prefix: "bitbucket.org/", |
| re: `^(?P<root>bitbucket\.org/(?P<bitname>[A-Za-z0-9_.\-]+/[A-Za-z0-9_.\-]+))(/[A-Za-z0-9_.\-]+)*$`, |
| repo: "https://{root}", |
| check: bitbucketVCS, |
| }, |
| |
| // Launchpad |
| { |
| prefix: "launchpad.net/", |
| re: `^(?P<root>launchpad\.net/((?P<project>[A-Za-z0-9_.\-]+)(?P<series>/[A-Za-z0-9_.\-]+)?|~[A-Za-z0-9_.\-]+/(\+junk|[A-Za-z0-9_.\-]+)/[A-Za-z0-9_.\-]+))(/[A-Za-z0-9_.\-]+)*$`, |
| vcs: "bzr", |
| repo: "https://{root}", |
| check: launchpadVCS, |
| }, |
| |
| // General syntax for any server. |
| { |
| re: `^(?P<root>(?P<repo>([a-z0-9.\-]+\.)+[a-z0-9.\-]+(:[0-9]+)?/[A-Za-z0-9_.\-/]*?)\.(?P<vcs>bzr|git|hg|svn))(/[A-Za-z0-9_.\-]+)*$`, |
| ping: true, |
| }, |
| } |
| |
| func init() { |
| // fill in cached regexps. |
| // Doing this eagerly discovers invalid regexp syntax |
| // without having to run a command that needs that regexp. |
| for _, srv := range vcsPaths { |
| srv.regexp = regexp.MustCompile(srv.re) |
| } |
| } |
| |
| // noVCSSuffix checks that the repository name does not |
| // end in .foo for any version control system foo. |
| // The usual culprit is ".git". |
| func noVCSSuffix(match map[string]string) error { |
| repo := match["repo"] |
| for _, vcs := range vcsList { |
| if strings.HasSuffix(repo, "."+vcs.Cmd) { |
| return fmt.Errorf("invalid version control suffix in %s path", match["prefix"]) |
| } |
| } |
| return nil |
| } |
| |
| // bitbucketVCS determines the version control system for a |
| // Bitbucket repository, by using the Bitbucket API. |
| func bitbucketVCS(match map[string]string) error { |
| if err := noVCSSuffix(match); err != nil { |
| return err |
| } |
| |
| var resp struct { |
| SCM string `json:"scm"` |
| } |
| url := expand(match, "https://api.bitbucket.org/1.0/repositories/{bitname}") |
| data, err := httpGET(url) |
| if err != nil { |
| return err |
| } |
| if err := json.Unmarshal(data, &resp); err != nil { |
| return fmt.Errorf("decoding %s: %v", url, err) |
| } |
| |
| if ByCmd(resp.SCM) != nil { |
| match["vcs"] = resp.SCM |
| if resp.SCM == "git" { |
| match["repo"] += ".git" |
| } |
| return nil |
| } |
| |
| return fmt.Errorf("unable to detect version control system for bitbucket.org/ path") |
| } |
| |
| // launchpadVCS solves the ambiguity for "lp.net/project/foo". In this case, |
| // "foo" could be a series name registered in Launchpad with its own branch, |
| // and it could also be the name of a directory within the main project |
| // branch one level up. |
| func launchpadVCS(match map[string]string) error { |
| if match["project"] == "" || match["series"] == "" { |
| return nil |
| } |
| _, err := httpGET(expand(match, "https://code.launchpad.net/{project}{series}/.bzr/branch-format")) |
| if err != nil { |
| match["root"] = expand(match, "launchpad.net/{project}") |
| match["repo"] = expand(match, "https://{root}") |
| } |
| return nil |
| } |