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Package vcs

Variables

ShowCmd controls whether VCS commands are printed.

var ShowCmd bool

Verbose enables verbose operation logging.

var Verbose bool

type Cmd ¶

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
}

func ByCmd ¶

func ByCmd(cmd string) *Cmd

ByCmd returns the version control system for the given command name (hg, git, svn, bzr).

func FromDir ¶

func FromDir(dir, srcRoot string) (vcs *Cmd, root string, err error)

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 (*Cmd) Create ¶

func (v *Cmd) Create(dir, repo string) error

Create creates a new copy of repo in dir. The parent of dir must exist; dir must not.

func (*Cmd) CreateAtRev ¶

func (v *Cmd) CreateAtRev(dir, repo, rev string) error

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 (*Cmd) Download ¶

func (v *Cmd) Download(dir string) error

Download downloads any new changes for the repo in dir. dir must be a valid VCS repo compatible with v.

func (*Cmd) Log ¶

func (v *Cmd) Log(dir, logTemplate string) ([]byte, error)

Log logs the changes for the repo in dir. dir must be a valid VCS repo compatible with v.

func (*Cmd) LogAtRev ¶

func (v *Cmd) LogAtRev(dir, rev, logTemplate string) ([]byte, error)

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 (*Cmd) Ping ¶

func (v *Cmd) Ping(scheme, repo string) error

Ping pings the repo to determine if scheme used is valid. This repo must be pingable with this scheme and VCS.

func (*Cmd) String ¶

func (v *Cmd) String() string

func (*Cmd) TagSync ¶

func (v *Cmd) TagSync(dir, tag string) error

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 (*Cmd) Tags ¶

func (v *Cmd) Tags(dir string) ([]string, error)

Tags returns the list of available tags for the repo in dir. dir must be a valid VCS repo compatible with v.

type RepoRoot ¶

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
}

func RepoRootForImportDynamic ¶

func RepoRootForImportDynamic(importPath string, verbose bool) (*RepoRoot, error)

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 RepoRootForImportPath ¶

func RepoRootForImportPath(importPath string, verbose bool) (*RepoRoot, error)

RepoRootForImportPath analyzes importPath to determine the version control system, and code repository to use.

func RepoRootForImportPathStatic ¶

func RepoRootForImportPathStatic(importPath, scheme string) (*RepoRoot, error)

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.

type TagCmd ¶

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
}