mirror of
https://github.com/jesseduffield/lazygit.git
synced 2024-12-14 11:23:09 +02:00
265 lines
8.0 KiB
Go
265 lines
8.0 KiB
Go
package commands
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import (
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"fmt"
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"path/filepath"
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"strings"
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"time"
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"github.com/go-errors/errors"
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"github.com/jesseduffield/lazygit/pkg/commands/models"
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"github.com/jesseduffield/lazygit/pkg/utils"
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)
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// CatFile obtains the content of a file
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func (c *GitCommand) CatFile(fileName string) (string, error) {
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return c.OSCommand.RunCommandWithOutput("%s %s", c.OSCommand.Platform.CatCmd, c.OSCommand.Quote(fileName))
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}
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// StageFile stages a file
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func (c *GitCommand) StageFile(fileName string) error {
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// renamed files look like "file1 -> file2"
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fileNames := strings.Split(fileName, " -> ")
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return c.OSCommand.RunCommand("git add %s", c.OSCommand.Quote(fileNames[len(fileNames)-1]))
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}
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// StageAll stages all files
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func (c *GitCommand) StageAll() error {
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return c.OSCommand.RunCommand("git add -A")
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}
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// UnstageAll stages all files
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func (c *GitCommand) UnstageAll() error {
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return c.OSCommand.RunCommand("git reset")
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}
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// UnStageFile unstages a file
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func (c *GitCommand) UnStageFile(fileName string, tracked bool) error {
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command := "git rm --cached --force %s"
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if tracked {
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command = "git reset HEAD %s"
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}
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// renamed files look like "file1 -> file2"
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fileNames := strings.Split(fileName, " -> ")
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for _, name := range fileNames {
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if err := c.OSCommand.RunCommand(command, c.OSCommand.Quote(name)); err != nil {
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return err
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}
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}
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return nil
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}
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func (c *GitCommand) BeforeAndAfterFileForRename(file *models.File) (*models.File, *models.File, error) {
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if !file.IsRename() {
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return nil, nil, errors.New("Expected renamed file")
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}
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// we've got a file that represents a rename from one file to another. Unfortunately
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// our File abstraction fails to consider this case, so here we will refetch
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// all files, passing the --no-renames flag and then recursively call the function
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// again for the before file and after file. At some point we should fix the abstraction itself
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split := strings.Split(file.Name, " -> ")
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filesWithoutRenames := c.GetStatusFiles(GetStatusFileOptions{NoRenames: true})
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var beforeFile *models.File
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var afterFile *models.File
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for _, f := range filesWithoutRenames {
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if f.Name == split[0] {
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beforeFile = f
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}
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if f.Name == split[1] {
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afterFile = f
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}
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}
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if beforeFile == nil || afterFile == nil {
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return nil, nil, errors.New("Could not find deleted file or new file for file rename")
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}
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if beforeFile.IsRename() || afterFile.IsRename() {
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// probably won't happen but we want to ensure we don't get an infinite loop
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return nil, nil, errors.New("Nested rename found")
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}
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return beforeFile, afterFile, nil
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}
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// DiscardAllFileChanges directly
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func (c *GitCommand) DiscardAllFileChanges(file *models.File) error {
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if file.IsRename() {
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beforeFile, afterFile, err := c.BeforeAndAfterFileForRename(file)
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if err != nil {
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return err
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}
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if err := c.DiscardAllFileChanges(beforeFile); err != nil {
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return err
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}
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if err := c.DiscardAllFileChanges(afterFile); err != nil {
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return err
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}
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return nil
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}
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// if the file isn't tracked, we assume you want to delete it
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quotedFileName := c.OSCommand.Quote(file.Name)
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if file.HasStagedChanges || file.HasMergeConflicts {
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if err := c.OSCommand.RunCommand("git reset -- %s", quotedFileName); err != nil {
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return err
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}
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}
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if !file.Tracked {
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return c.removeFile(file.Name)
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}
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return c.DiscardUnstagedFileChanges(file)
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}
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// DiscardUnstagedFileChanges directly
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func (c *GitCommand) DiscardUnstagedFileChanges(file *models.File) error {
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quotedFileName := c.OSCommand.Quote(file.Name)
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return c.OSCommand.RunCommand("git checkout -- %s", quotedFileName)
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}
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// Ignore adds a file to the gitignore for the repo
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func (c *GitCommand) Ignore(filename string) error {
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return c.OSCommand.AppendLineToFile(".gitignore", filename)
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}
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// WorktreeFileDiff returns the diff of a file
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func (c *GitCommand) WorktreeFileDiff(file *models.File, plain bool, cached bool) string {
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// for now we assume an error means the file was deleted
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s, _ := c.OSCommand.RunCommandWithOutput(c.WorktreeFileDiffCmdStr(file, plain, cached))
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return s
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}
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func (c *GitCommand) WorktreeFileDiffCmdStr(file *models.File, plain bool, cached bool) string {
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cachedArg := ""
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trackedArg := "--"
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colorArg := c.colorArg()
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split := strings.Split(file.Name, " -> ") // in case of a renamed file we get the new filename
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fileName := c.OSCommand.Quote(split[len(split)-1])
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if cached {
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cachedArg = "--cached"
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}
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if !file.Tracked && !file.HasStagedChanges && !cached {
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trackedArg = "--no-index /dev/null"
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}
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if plain {
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colorArg = "never"
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}
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return fmt.Sprintf("git diff --submodule --no-ext-diff --color=%s %s %s %s", colorArg, cachedArg, trackedArg, fileName)
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}
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func (c *GitCommand) ApplyPatch(patch string, flags ...string) error {
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filepath := filepath.Join(c.Config.GetUserConfigDir(), utils.GetCurrentRepoName(), time.Now().Format("Jan _2 15.04.05.000000000")+".patch")
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c.Log.Infof("saving temporary patch to %s", filepath)
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if err := c.OSCommand.CreateFileWithContent(filepath, patch); err != nil {
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return err
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}
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flagStr := ""
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for _, flag := range flags {
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flagStr += " --" + flag
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}
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return c.OSCommand.RunCommand("git apply %s %s", flagStr, c.OSCommand.Quote(filepath))
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}
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// ShowFileDiff get the diff of specified from and to. Typically this will be used for a single commit so it'll be 123abc^..123abc
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// but when we're in diff mode it could be any 'from' to any 'to'. The reverse flag is also here thanks to diff mode.
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func (c *GitCommand) ShowFileDiff(from string, to string, reverse bool, fileName string, plain bool) (string, error) {
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cmdStr := c.ShowFileDiffCmdStr(from, to, reverse, fileName, plain)
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return c.OSCommand.RunCommandWithOutput(cmdStr)
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}
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func (c *GitCommand) ShowFileDiffCmdStr(from string, to string, reverse bool, fileName string, plain bool) string {
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colorArg := c.colorArg()
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if plain {
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colorArg = "never"
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}
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reverseFlag := ""
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if reverse {
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reverseFlag = " -R "
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}
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return fmt.Sprintf("git diff --submodule --no-ext-diff --no-renames --color=%s %s %s %s -- %s", colorArg, from, to, reverseFlag, fileName)
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}
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// CheckoutFile checks out the file for the given commit
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func (c *GitCommand) CheckoutFile(commitSha, fileName string) error {
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return c.OSCommand.RunCommand("git checkout %s %s", commitSha, fileName)
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}
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// DiscardOldFileChanges discards changes to a file from an old commit
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func (c *GitCommand) DiscardOldFileChanges(commits []*models.Commit, commitIndex int, fileName string) error {
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if err := c.BeginInteractiveRebaseForCommit(commits, commitIndex); err != nil {
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return err
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}
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// check if file exists in previous commit (this command returns an error if the file doesn't exist)
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if err := c.OSCommand.RunCommand("git cat-file -e HEAD^:%s", fileName); err != nil {
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if err := c.OSCommand.Remove(fileName); err != nil {
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return err
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}
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if err := c.StageFile(fileName); err != nil {
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return err
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}
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} else if err := c.CheckoutFile("HEAD^", fileName); err != nil {
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return err
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}
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// amend the commit
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cmd, err := c.AmendHead()
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if cmd != nil {
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return errors.New("received unexpected pointer to cmd")
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}
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if err != nil {
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return err
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}
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// continue
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return c.GenericMergeOrRebaseAction("rebase", "continue")
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}
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// DiscardAnyUnstagedFileChanges discards any unstages file changes via `git checkout -- .`
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func (c *GitCommand) DiscardAnyUnstagedFileChanges() error {
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return c.OSCommand.RunCommand("git checkout -- .")
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}
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// RemoveTrackedFiles will delete the given file(s) even if they are currently tracked
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func (c *GitCommand) RemoveTrackedFiles(name string) error {
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return c.OSCommand.RunCommand("git rm -r --cached %s", name)
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}
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// RemoveUntrackedFiles runs `git clean -fd`
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func (c *GitCommand) RemoveUntrackedFiles() error {
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return c.OSCommand.RunCommand("git clean -fd")
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}
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// ResetAndClean removes all unstaged changes and removes all untracked files
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func (c *GitCommand) ResetAndClean() error {
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submoduleConfigs, err := c.GetSubmoduleConfigs()
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if err != nil {
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return err
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}
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if len(submoduleConfigs) > 0 {
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if err := c.ResetSubmodules(submoduleConfigs); err != nil {
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return err
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}
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}
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if err := c.ResetHard("HEAD"); err != nil {
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return err
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}
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return c.RemoveUntrackedFiles()
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}
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