1
0
mirror of https://github.com/jesseduffield/lazygit.git synced 2024-12-04 10:34:55 +02:00
lazygit/pkg/commands/git.go

280 lines
8.9 KiB
Go

package commands
import (
"os"
"path/filepath"
"strings"
"github.com/go-errors/errors"
"github.com/sasha-s/go-deadlock"
gogit "github.com/jesseduffield/go-git/v5"
"github.com/jesseduffield/lazygit/pkg/commands/git_commands"
"github.com/jesseduffield/lazygit/pkg/commands/git_config"
"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
"github.com/jesseduffield/lazygit/pkg/commands/patch"
"github.com/jesseduffield/lazygit/pkg/common"
"github.com/jesseduffield/lazygit/pkg/env"
"github.com/jesseduffield/lazygit/pkg/utils"
)
// GitCommand is our main git interface
type GitCommand struct {
Branch *git_commands.BranchCommands
Commit *git_commands.CommitCommands
Config *git_commands.ConfigCommands
Custom *git_commands.CustomCommands
File *git_commands.FileCommands
Flow *git_commands.FlowCommands
Patch *git_commands.PatchCommands
Rebase *git_commands.RebaseCommands
Remote *git_commands.RemoteCommands
Stash *git_commands.StashCommands
Status *git_commands.StatusCommands
Submodule *git_commands.SubmoduleCommands
Sync *git_commands.SyncCommands
Tag *git_commands.TagCommands
WorkingTree *git_commands.WorkingTreeCommands
Bisect *git_commands.BisectCommands
Loaders Loaders
}
type Loaders struct {
BranchLoader *git_commands.BranchLoader
CommitFileLoader *git_commands.CommitFileLoader
CommitLoader *git_commands.CommitLoader
FileLoader *git_commands.FileLoader
ReflogCommitLoader *git_commands.ReflogCommitLoader
RemoteLoader *git_commands.RemoteLoader
StashLoader *git_commands.StashLoader
TagLoader *git_commands.TagLoader
}
func NewGitCommand(
cmn *common.Common,
version *git_commands.GitVersion,
osCommand *oscommands.OSCommand,
gitConfig git_config.IGitConfig,
syncMutex *deadlock.Mutex,
) (*GitCommand, error) {
if err := navigateToRepoRootDirectory(os.Stat, os.Chdir); err != nil {
return nil, err
}
repo, err := setupRepository(gogit.PlainOpenWithOptions, gogit.PlainOpenOptions{DetectDotGit: false, EnableDotGitCommonDir: true}, cmn.Tr.GitconfigParseErr)
if err != nil {
return nil, err
}
dotGitDir, err := findDotGitDir(os.Stat, os.ReadFile)
if err != nil {
return nil, err
}
return NewGitCommandAux(
cmn,
version,
osCommand,
gitConfig,
dotGitDir,
repo,
syncMutex,
), nil
}
func NewGitCommandAux(
cmn *common.Common,
version *git_commands.GitVersion,
osCommand *oscommands.OSCommand,
gitConfig git_config.IGitConfig,
dotGitDir string,
repo *gogit.Repository,
syncMutex *deadlock.Mutex,
) *GitCommand {
cmd := NewGitCmdObjBuilder(cmn.Log, osCommand.Cmd)
// here we're doing a bunch of dependency injection for each of our commands structs.
// This is admittedly messy, but allows us to test each command struct in isolation,
// and allows for better namespacing when compared to having every method living
// on the one struct.
// common ones are: cmn, osCommand, dotGitDir, configCommands
configCommands := git_commands.NewConfigCommands(cmn, gitConfig, repo)
fileLoader := git_commands.NewFileLoader(cmn, cmd, configCommands)
gitCommon := git_commands.NewGitCommon(cmn, version, cmd, osCommand, dotGitDir, repo, configCommands, syncMutex)
statusCommands := git_commands.NewStatusCommands(gitCommon)
flowCommands := git_commands.NewFlowCommands(gitCommon)
remoteCommands := git_commands.NewRemoteCommands(gitCommon)
branchCommands := git_commands.NewBranchCommands(gitCommon)
syncCommands := git_commands.NewSyncCommands(gitCommon)
tagCommands := git_commands.NewTagCommands(gitCommon)
commitCommands := git_commands.NewCommitCommands(gitCommon)
customCommands := git_commands.NewCustomCommands(gitCommon)
fileCommands := git_commands.NewFileCommands(gitCommon)
submoduleCommands := git_commands.NewSubmoduleCommands(gitCommon)
workingTreeCommands := git_commands.NewWorkingTreeCommands(gitCommon, submoduleCommands, fileLoader)
rebaseCommands := git_commands.NewRebaseCommands(gitCommon, commitCommands, workingTreeCommands)
stashCommands := git_commands.NewStashCommands(gitCommon, fileLoader, workingTreeCommands)
// TODO: have patch manager take workingTreeCommands in its entirety
patchManager := patch.NewPatchManager(cmn.Log, workingTreeCommands.ApplyPatch,
func(from string, to string, reverse bool, filename string, plain bool) (string, error) {
// TODO: make patch manager take Gui.IgnoreWhitespaceInDiffView into
// account. For now we just pass false.
return workingTreeCommands.ShowFileDiff(from, to, reverse, filename, plain, false)
})
patchCommands := git_commands.NewPatchCommands(gitCommon, rebaseCommands, commitCommands, statusCommands, stashCommands, patchManager)
bisectCommands := git_commands.NewBisectCommands(gitCommon)
branchLoader := git_commands.NewBranchLoader(cmn, branchCommands.GetRawBranches, branchCommands.CurrentBranchInfo, configCommands)
commitFileLoader := git_commands.NewCommitFileLoader(cmn, cmd)
commitLoader := git_commands.NewCommitLoader(cmn, cmd, dotGitDir, branchCommands.CurrentBranchInfo, statusCommands.RebaseMode)
reflogCommitLoader := git_commands.NewReflogCommitLoader(cmn, cmd)
remoteLoader := git_commands.NewRemoteLoader(cmn, cmd, repo.Remotes)
stashLoader := git_commands.NewStashLoader(cmn, cmd)
tagLoader := git_commands.NewTagLoader(cmn, version, cmd)
return &GitCommand{
Branch: branchCommands,
Commit: commitCommands,
Config: configCommands,
Custom: customCommands,
File: fileCommands,
Flow: flowCommands,
Patch: patchCommands,
Rebase: rebaseCommands,
Remote: remoteCommands,
Stash: stashCommands,
Status: statusCommands,
Submodule: submoduleCommands,
Sync: syncCommands,
Tag: tagCommands,
Bisect: bisectCommands,
WorkingTree: workingTreeCommands,
Loaders: Loaders{
BranchLoader: branchLoader,
CommitFileLoader: commitFileLoader,
CommitLoader: commitLoader,
FileLoader: fileLoader,
ReflogCommitLoader: reflogCommitLoader,
RemoteLoader: remoteLoader,
StashLoader: stashLoader,
TagLoader: tagLoader,
},
}
}
func navigateToRepoRootDirectory(stat func(string) (os.FileInfo, error), chdir func(string) error) error {
gitDir := env.GetGitDirEnv()
if gitDir != "" {
// we've been given the git directory explicitly so no need to navigate to it
_, err := stat(gitDir)
if err != nil {
return utils.WrapError(err)
}
return nil
}
// we haven't been given the git dir explicitly so we assume it's in the current working directory as `.git/` (or an ancestor directory)
for {
_, err := stat(".git")
if err == nil {
return nil
}
if !os.IsNotExist(err) {
return utils.WrapError(err)
}
if err = chdir(".."); err != nil {
return utils.WrapError(err)
}
currentPath, err := os.Getwd()
if err != nil {
return err
}
atRoot := currentPath == filepath.Dir(currentPath)
if atRoot {
// we should never really land here: the code that creates GitCommand should
// verify we're in a git directory
return errors.New("Must open lazygit in a git repository")
}
}
}
// resolvePath takes a path containing a symlink and returns the true path
func resolvePath(path string) (string, error) {
l, err := os.Lstat(path)
if err != nil {
return "", err
}
if l.Mode()&os.ModeSymlink == 0 {
return path, nil
}
return filepath.EvalSymlinks(path)
}
func setupRepository(openGitRepository func(string, *gogit.PlainOpenOptions) (*gogit.Repository, error), options gogit.PlainOpenOptions, gitConfigParseErrorStr string) (*gogit.Repository, error) {
unresolvedPath := env.GetGitDirEnv()
if unresolvedPath == "" {
var err error
unresolvedPath, err = os.Getwd()
if err != nil {
return nil, err
}
}
path, err := resolvePath(unresolvedPath)
if err != nil {
return nil, err
}
repository, err := openGitRepository(path, &options)
if err != nil {
if strings.Contains(err.Error(), `unquoted '\' must be followed by new line`) {
return nil, errors.New(gitConfigParseErrorStr)
}
return nil, err
}
return repository, err
}
func findDotGitDir(stat func(string) (os.FileInfo, error), readFile func(filename string) ([]byte, error)) (string, error) {
if env.GetGitDirEnv() != "" {
return env.GetGitDirEnv(), nil
}
f, err := stat(".git")
if err != nil {
return "", err
}
if f.IsDir() {
return ".git", nil
}
fileBytes, err := readFile(".git")
if err != nil {
return "", err
}
fileContent := string(fileBytes)
if !strings.HasPrefix(fileContent, "gitdir: ") {
return "", errors.New(".git is a file which suggests we are in a submodule or a worktree but the file's contents do not contain a gitdir pointing to the actual .git directory")
}
return strings.TrimSpace(strings.TrimPrefix(fileContent, "gitdir: ")), nil
}
func VerifyInGitRepo(osCommand *oscommands.OSCommand) error {
return osCommand.Cmd.New("git rev-parse --git-dir").DontLog().Run()
}