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https://github.com/jesseduffield/lazygit.git
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rename files
This commit is contained in:
Jesse Duffield
248
pkg/commands/git_commands/repo_paths.go
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248
pkg/commands/git_commands/repo_paths.go
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@ -0,0 +1,248 @@
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package git_commands
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import (
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"fmt"
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ioFs "io/fs"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/go-errors/errors"
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"github.com/jesseduffield/lazygit/pkg/env"
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"github.com/samber/lo"
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"github.com/spf13/afero"
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)
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type RepoPaths struct {
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currentPath string
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worktreePath string
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worktreeGitDirPath string
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repoPath string
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repoGitDirPath string
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repoName string
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}
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// Current working directory of the program. Currently, this will always
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// be the same as WorktreePath(), but in future we may support running
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// lazygit from inside a subdirectory of the worktree.
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func (self *RepoPaths) CurrentPath() string {
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return self.currentPath
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}
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// Path to the current worktree. If we're in the main worktree, this will
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// be the same as RepoPath()
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func (self *RepoPaths) WorktreePath() string {
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return self.worktreePath
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}
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// Path of the worktree's git dir.
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// If we're in the main worktree, this will be the .git dir under the RepoPath().
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// If we're in a linked worktree, it will be the directory pointed at by the worktree's .git file
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func (self *RepoPaths) WorktreeGitDirPath() string {
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return self.worktreeGitDirPath
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}
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// Path of the repo. If we're in a the main worktree, this will be the same as WorktreePath()
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// If we're in a bare repo, it will be the parent folder of the bare repo
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func (self *RepoPaths) RepoPath() string {
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return self.repoPath
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}
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// path of the git-dir for the repo.
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// If this is a bare repo, it will be the location of the bare repo
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// If this is a non-bare repo, it will be the location of the .git dir in
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// the main worktree.
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func (self *RepoPaths) RepoGitDirPath() string {
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return self.repoGitDirPath
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}
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// Name of the repo. Basename of the folder containing the repo.
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func (self *RepoPaths) RepoName() string {
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return self.repoName
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}
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// Returns the repo paths for a typical repo
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func MockRepoPaths(currentPath string) *RepoPaths {
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return &RepoPaths{
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currentPath: currentPath,
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worktreePath: currentPath,
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worktreeGitDirPath: path.Join(currentPath, ".git"),
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repoPath: currentPath,
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repoGitDirPath: path.Join(currentPath, ".git"),
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repoName: "lazygit",
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}
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}
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func GetRepoPaths(
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fs afero.Fs,
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currentPath string,
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) (*RepoPaths, error) {
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return getRepoPathsAux(afero.NewOsFs(), resolveSymlink, currentPath)
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}
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func getRepoPathsAux(
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fs afero.Fs,
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resolveSymlinkFn func(string) (string, error),
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currentPath string,
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) (*RepoPaths, error) {
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worktreePath := currentPath
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repoGitDirPath, repoPath, err := getCurrentRepoGitDirPath(fs, resolveSymlinkFn, currentPath)
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if err != nil {
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return nil, errors.Errorf("failed to get repo git dir path: %v", err)
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}
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worktreeGitDirPath, err := worktreeGitDirPath(fs, currentPath)
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if err != nil {
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return nil, errors.Errorf("failed to get worktree git dir path: %v", err)
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}
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repoName := path.Base(repoPath)
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return &RepoPaths{
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currentPath: currentPath,
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worktreePath: worktreePath,
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worktreeGitDirPath: worktreeGitDirPath,
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repoPath: repoPath,
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repoGitDirPath: repoGitDirPath,
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repoName: repoName,
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}, nil
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}
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// Returns the path of the git-dir for the worktree. For linked worktrees, the worktree has
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// a .git file that points to the git-dir (which itself lives in the git-dir
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// of the repo)
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func worktreeGitDirPath(fs afero.Fs, worktreePath string) (string, error) {
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// if .git is a file, we're in a linked worktree, otherwise we're in
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// the main worktree
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dotGitPath := path.Join(worktreePath, ".git")
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gitFileInfo, err := fs.Stat(dotGitPath)
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if err != nil {
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return "", err
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}
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if gitFileInfo.IsDir() {
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return dotGitPath, nil
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}
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return linkedWorktreeGitDirPath(fs, worktreePath)
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}
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func linkedWorktreeGitDirPath(fs afero.Fs, worktreePath string) (string, error) {
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dotGitPath := path.Join(worktreePath, ".git")
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gitFileContents, err := afero.ReadFile(fs, dotGitPath)
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if err != nil {
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return "", err
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}
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// The file will have `gitdir: /path/to/.git/worktrees/<worktree-name>`
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gitDirLine := lo.Filter(strings.Split(string(gitFileContents), "\n"), func(line string, _ int) bool {
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return strings.HasPrefix(line, "gitdir: ")
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})
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if len(gitDirLine) == 0 {
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return "", errors.New(fmt.Sprintf("%s 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", dotGitPath))
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}
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gitDir := strings.TrimPrefix(gitDirLine[0], "gitdir: ")
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return gitDir, nil
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}
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func getCurrentRepoGitDirPath(
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fs afero.Fs,
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resolveSymlinkFn func(string) (string, error),
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currentPath string,
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) (string, string, error) {
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var unresolvedGitPath string
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if env.GetGitDirEnv() != "" {
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unresolvedGitPath = env.GetGitDirEnv()
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} else {
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unresolvedGitPath = path.Join(currentPath, ".git")
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}
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gitPath, err := resolveSymlinkFn(unresolvedGitPath)
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if err != nil {
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return "", "", err
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}
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// check if .git is a file or a directory
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gitFileInfo, err := fs.Stat(gitPath)
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if err != nil {
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return "", "", err
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}
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if gitFileInfo.IsDir() {
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// must be in the main worktree
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return gitPath, path.Dir(gitPath), nil
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}
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// either in a submodule, or worktree
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worktreeGitPath, err := linkedWorktreeGitDirPath(fs, currentPath)
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if err != nil {
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return "", "", errors.Errorf("could not find git dir for %s: %v", currentPath, err)
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}
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// confirm whether the next directory up is the worktrees/submodules directory
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parent := path.Dir(worktreeGitPath)
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if path.Base(parent) != "worktrees" && path.Base(parent) != "modules" {
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return "", "", errors.Errorf("could not find git dir for %s", currentPath)
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}
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// if it's a submodule, we treat it as its own repo
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if path.Base(parent) == "modules" {
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return worktreeGitPath, currentPath, nil
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}
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gitDirPath := path.Dir(parent)
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return gitDirPath, path.Dir(gitDirPath), nil
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}
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// takes a path containing a symlink and returns the true path
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func resolveSymlink(path string) (string, error) {
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l, err := os.Lstat(path)
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if err != nil {
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return "", err
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}
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if l.Mode()&os.ModeSymlink == 0 {
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return path, nil
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}
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return filepath.EvalSymlinks(path)
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}
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// Returns the paths of linked worktrees
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func linkedWortkreePaths(fs afero.Fs, repoGitDirPath string) []string {
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result := []string{}
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// For each directory in this path we're going to cat the `gitdir` file and append its contents to our result
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// That file points us to the `.git` file in the worktree.
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worktreeGitDirsPath := path.Join(repoGitDirPath, "worktrees")
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// ensure the directory exists
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_, err := fs.Stat(worktreeGitDirsPath)
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if err != nil {
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return result
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}
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_ = afero.Walk(fs, worktreeGitDirsPath, func(currPath string, info ioFs.FileInfo, err error) error {
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if err != nil {
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return err
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}
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if !info.IsDir() {
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return nil
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}
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gitDirPath := path.Join(currPath, "gitdir")
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gitDirBytes, err := afero.ReadFile(fs, gitDirPath)
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if err != nil {
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// ignoring error
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return nil
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}
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trimmedGitDir := strings.TrimSpace(string(gitDirBytes))
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// removing the .git part
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worktreeDir := path.Dir(trimmedGitDir)
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result = append(result, worktreeDir)
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return nil
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})
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return result
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}
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