package git
import (
"errors"
"regexp"
"golang.org/x/crypto/openpgp"
"gopkg.in/src-d/go-git.v4/config"
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/object"
"gopkg.in/src-d/go-git.v4/plumbing/protocol/packp/sideband"
"gopkg.in/src-d/go-git.v4/plumbing/transport"
)
// SubmoduleRescursivity defines how depth will affect any submodule recursive
// operation.
type SubmoduleRescursivity uint
const (
// DefaultRemoteName name of the default Remote, just like git command.
DefaultRemoteName = "origin"
// NoRecurseSubmodules disables the recursion for a submodule operation.
NoRecurseSubmodules SubmoduleRescursivity = 0
// DefaultSubmoduleRecursionDepth allow recursion in a submodule operation.
DefaultSubmoduleRecursionDepth SubmoduleRescursivity = 10
)
var (
ErrMissingURL = errors.New("URL field is required")
)
// CloneOptions describes how a clone should be performed.
type CloneOptions struct {
// The (possibly remote) repository URL to clone from.
URL string
// Auth credentials, if required, to use with the remote repository.
Auth transport.AuthMethod
// Name of the remote to be added, by default `origin`.
RemoteName string
// Remote branch to clone.
ReferenceName plumbing.ReferenceName
// Fetch only ReferenceName if true.
SingleBranch bool
// No checkout of HEAD after clone if true.
NoCheckout bool
// Limit fetching to the specified number of commits.
Depth int
// RecurseSubmodules after the clone is created, initialize all submodules
// within, using their default settings. This option is ignored if the
// cloned repository does not have a worktree.
RecurseSubmodules SubmoduleRescursivity
// Progress is where the human readable information sent by the server is
// stored, if nil nothing is stored and the capability (if supported)
// no-progress, is sent to the server to avoid send this information.
Progress sideband.Progress
// Tags describe how the tags will be fetched from the remote repository,
// by default is AllTags.
Tags TagMode
}
// Validate validates the fields and sets the default values.
func (o *CloneOptions) Validate() error {
if o.URL == "" {
return ErrMissingURL
}
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if o.ReferenceName == "" {
o.ReferenceName = plumbing.HEAD
}
if o.Tags == InvalidTagMode {
o.Tags = AllTags
}
return nil
}
// PullOptions describes how a pull should be performed.
type PullOptions struct {
// Name of the remote to be pulled. If empty, uses the default.
RemoteName string
// Remote branch to clone. If empty, uses HEAD.
ReferenceName plumbing.ReferenceName
// Fetch only ReferenceName if true.
SingleBranch bool
// Limit fetching to the specified number of commits.
Depth int
// Auth credentials, if required, to use with the remote repository.
Auth transport.AuthMethod
// RecurseSubmodules controls if new commits of all populated submodules
// should be fetched too.
RecurseSubmodules SubmoduleRescursivity
// Progress is where the human readable information sent by the server is
// stored, if nil nothing is stored and the capability (if supported)
// no-progress, is sent to the server to avoid send this information.
Progress sideband.Progress
// Force allows the pull to update a local branch even when the remote
// branch does not descend from it.
Force bool
}
// Validate validates the fields and sets the default values.
func (o *PullOptions) Validate() error {
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if o.ReferenceName == "" {
o.ReferenceName = plumbing.HEAD
}
return nil
}
type TagMode int
const (
InvalidTagMode TagMode = iota
// TagFollowing any tag that points into the histories being fetched is also
// fetched. TagFollowing requires a server with `include-tag` capability
// in order to fetch the annotated tags objects.
TagFollowing
// AllTags fetch all tags from the remote (i.e., fetch remote tags
// refs/tags/* into local tags with the same name)
AllTags
//NoTags fetch no tags from the remote at all
NoTags
)
// FetchOptions describes how a fetch should be performed
type FetchOptions struct {
// Name of the remote to fetch from. Defaults to origin.
RemoteName string
RefSpecs []config.RefSpec
// Depth limit fetching to the specified number of commits from the tip of
// each remote branch history.
Depth int
// Auth credentials, if required, to use with the remote repository.
Auth transport.AuthMethod
// Progress is where the human readable information sent by the server is
// stored, if nil nothing is stored and the capability (if supported)
// no-progress, is sent to the server to avoid send this information.
Progress sideband.Progress
// Tags describe how the tags will be fetched from the remote repository,
// by default is TagFollowing.
Tags TagMode
// Force allows the fetch to update a local branch even when the remote
// branch does not descend from it.
Force bool
}
// Validate validates the fields and sets the default values.
func (o *FetchOptions) Validate() error {
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if o.Tags == InvalidTagMode {
o.Tags = TagFollowing
}
for _, r := range o.RefSpecs {
if err := r.Validate(); err != nil {
return err
}
}
return nil
}
// PushOptions describes how a push should be performed.
type PushOptions struct {
// RemoteName is the name of the remote to be pushed to.
RemoteName string
// RefSpecs specify what destination ref to update with what source
// object. A refspec with empty src can be used to delete a reference.
RefSpecs []config.RefSpec
// Auth credentials, if required, to use with the remote repository.
Auth transport.AuthMethod
// Progress is where the human readable information sent by the server is
// stored, if nil nothing is stored.
Progress sideband.Progress
}
// Validate validates the fields and sets the default values.
func (o *PushOptions) Validate() error {
if o.RemoteName == "" {
o.RemoteName = DefaultRemoteName
}
if len(o.RefSpecs) == 0 {
o.RefSpecs = []config.RefSpec{
config.RefSpec(config.DefaultPushRefSpec),
}
}
for _, r := range o.RefSpecs {
if err := r.Validate(); err != nil {
return err
}
}
return nil
}
// SubmoduleUpdateOptions describes how a submodule update should be performed.
type SubmoduleUpdateOptions struct {
// Init, if true initializes the submodules recorded in the index.
Init bool
// NoFetch tell to the update command to not fetch new objects from the
// remote site.
NoFetch bool
// RecurseSubmodules the update is performed not only in the submodules of
// the current repository but also in any nested submodules inside those
// submodules (and so on). Until the SubmoduleRescursivity is reached.
RecurseSubmodules SubmoduleRescursivity
// Auth credentials, if required, to use with the remote repository.
Auth transport.AuthMethod
}
var (
ErrBranchHashExclusive = errors.New("Branch and Hash are mutually exclusive")
ErrCreateRequiresBranch = errors.New("Branch is mandatory when Create is used")
)
// CheckoutOptions describes how a checkout 31operation should be performed.
type CheckoutOptions struct {
// Hash to be checked out, if used HEAD will in detached mode. Branch and
// Hash are mutually exclusive, if Create is not used.
Hash plumbing.Hash
// Branch to be checked out, if Branch and Hash are empty is set to `master`.
Branch plumbing.ReferenceName
// Create a new branch named Branch and start it at Hash.
Create bool
// Force, if true when switching branches, proceed even if the index or the
// working tree differs from HEAD. This is used to throw away local changes
Force bool
}
// Validate validates the fields and sets the default values.
func (o *CheckoutOptions) Validate() error {
if !o.Create && !o.Hash.IsZero() && o.Branch != "" {
return ErrBranchHashExclusive
}
if o.Create && o.Branch == "" {
return ErrCreateRequiresBranch
}
if o.Branch == "" {
o.Branch = plumbing.Master
}
return nil
}
// ResetMode defines the mode of a reset operation.
type ResetMode int8
const (
// MixedReset resets the index but not the working tree (i.e., the changed
// files are preserved but not marked for commit) and reports what has not
// been updated. This is the default action.
MixedReset ResetMode = iota
// HardReset resets the index and working tree. Any changes to tracked files
// in the working tree are discarded.
HardReset
// MergeReset resets the index and updates the files in the working tree
// that are different between Commit and HEAD, but keeps those which are
// different between the index and working tree (i.e. which have changes
// which have not been added).
//
// If a file that is different between Commit and the index has unstaged
// changes, reset is aborted.
MergeReset
// SoftReset does not touch the index file or the working tree at all (but
// resets the head to <commit>, just like all modes do). This leaves all
// your changed files "Changes to be committed", as git status would put it.
SoftReset
)
// ResetOptions describes how a reset operation should be performed.
type ResetOptions struct {
// Commit, if commit is pressent set the current branch head (HEAD) to it.
Commit plumbing.Hash
// Mode, form resets the current branch head to Commit and possibly updates
// the index (resetting it to the tree of Commit) and the working tree
// depending on Mode. If empty MixedReset is used.
Mode ResetMode
}
// Validate validates the fields and sets the default values.
func (o *ResetOptions) Validate(r *Repository) error {
if o.Commit == plumbing.ZeroHash {
ref, err := r.Head()
if err != nil {
return err
}
o.Commit = ref.Hash()
}
return nil
}
type LogOrder int8
const (
LogOrderDefault LogOrder = iota
LogOrderDFS
LogOrderDFSPost
LogOrderBSF
LogOrderCommitterTime
)
// LogOptions describes how a log action should be performed.
type LogOptions struct {
// When the From option is set the log will only contain commits
// reachable from it. If this option is not set, HEAD will be used as
// the default From.
From plumbing.Hash
// The default traversal algorithm is Depth-first search
// set Order=LogOrderCommitterTime for ordering by committer time (more compatible with `git log`)
// set Order=LogOrderBSF for Breadth-first search
Order LogOrder
}
var (
ErrMissingAuthor = errors.New("author field is required")
)
// CommitOptions describes how a commit operation should be performed.
type CommitOptions struct {
// All automatically stage files that have been modified and deleted, but
// new files you have not told Git about are not affected.
All bool
// Author is the author's signature of the commit.
Author *object.Signature
// Committer is the committer's signature of the commit. If Committer is
// nil the Author signature is used.
Committer *object.Signature
// Parents are the parents commits for the new commit, by default when
// len(Parents) is zero, the hash of HEAD reference is used.
Parents []plumbing.Hash
// A key to sign the commit with. A nil value here means the commit will not
// be signed. The private key must be present and already decrypted.
SignKey *openpgp.Entity
}
// Validate validates the fields and sets the default values.
func (o *CommitOptions) Validate(r *Repository) error {
if o.Author == nil {
return ErrMissingAuthor
}
if o.Committer == nil {
o.Committer = o.Author
}
if len(o.Parents) == 0 {
head, err := r.Head()
if err != nil && err != plumbing.ErrReferenceNotFound {
return err
}
if head != nil {
o.Parents = []plumbing.Hash{head.Hash()}
}
}
return nil
}
// ListOptions describes how a remote list should be performed.
type ListOptions struct {
// Auth credentials, if required, to use with the remote repository.
Auth transport.AuthMethod
}
// CleanOptions describes how a clean should be performed.
type CleanOptions struct {
Dir bool
}
// GrepOptions describes how a grep should be performed.
type GrepOptions struct {
// Patterns are compiled Regexp objects to be matched.
Patterns []*regexp.Regexp
// InvertMatch selects non-matching lines.
InvertMatch bool
// CommitHash is the hash of the commit from which worktree should be derived.
CommitHash plumbing.Hash
// ReferenceName is the branch or tag name from which worktree should be derived.
ReferenceName plumbing.ReferenceName
// PathSpecs are compiled Regexp objects of pathspec to use in the matching.
PathSpecs []*regexp.Regexp
}
var (
ErrHashOrReference = errors.New("ambiguous options, only one of CommitHash or ReferenceName can be passed")
)
// Validate validates the fields and sets the default values.
func (o *GrepOptions) Validate(w *Worktree) error {
if !o.CommitHash.IsZero() && o.ReferenceName != "" {
return ErrHashOrReference
}
// If none of CommitHash and ReferenceName are provided, set commit hash of
// the repository's head.
if o.CommitHash.IsZero() && o.ReferenceName == "" {
ref, err := w.r.Head()
if err != nil {
return err
}
o.CommitHash = ref.Hash()
}
return nil
}
// PlainOpenOptions describes how opening a plain repository should be
// performed.
type PlainOpenOptions struct {
// DetectDotGit defines whether parent directories should be
// walked until a .git directory or file is found.
DetectDotGit bool
// Static means that the repository won't be modified while open.
Static bool
}
// Validate validates the fields and sets the default values.
func (o *PlainOpenOptions) Validate() error { return nil }
