factor out code from git.go

pkg/commands/commits.go

@@ -0,0 +1,93 @@
+package commands
+
+import (
+	"fmt"
+	"os/exec"
+	"strconv"
+	"strings"
+
+	"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
+	"github.com/jesseduffield/lazygit/pkg/models"
+)
+
+// RenameCommit renames the topmost commit with the given name
+func (c *GitCommand) RenameCommit(name string) error {
+	return c.OSCommand.RunCommand("git commit --allow-empty --amend -m %s", c.OSCommand.Quote(name))
+}
+
+// ResetToCommit reset to commit
+func (c *GitCommand) ResetToCommit(sha string, strength string, options oscommands.RunCommandOptions) error {
+	return c.OSCommand.RunCommandWithOptions(fmt.Sprintf("git reset --%s %s", strength, sha), options)
+}
+
+// Commit commits to git
+func (c *GitCommand) Commit(message string, flags string) (*exec.Cmd, error) {
+	command := fmt.Sprintf("git commit %s -m %s", flags, strconv.Quote(message))
+	if c.usingGpg() {
+		return c.OSCommand.ShellCommandFromString(command), nil
+	}
+
+	return nil, c.OSCommand.RunCommand(command)
+}
+
+// Get the subject of the HEAD commit
+func (c *GitCommand) GetHeadCommitMessage() (string, error) {
+	cmdStr := "git log -1 --pretty=%s"
+	message, err := c.OSCommand.RunCommandWithOutput(cmdStr)
+	return strings.TrimSpace(message), err
+}
+
+func (c *GitCommand) GetCommitMessage(commitSha string) (string, error) {
+	cmdStr := "git rev-list --format=%B --max-count=1 " + commitSha
+	messageWithHeader, err := c.OSCommand.RunCommandWithOutput(cmdStr)
+	message := strings.Join(strings.SplitAfter(messageWithHeader, "\n")[1:], "\n")
+	return strings.TrimSpace(message), err
+}
+
+// AmendHead amends HEAD with whatever is staged in your working tree
+func (c *GitCommand) AmendHead() (*exec.Cmd, error) {
+	command := "git commit --amend --no-edit --allow-empty"
+	if c.usingGpg() {
+		return c.OSCommand.ShellCommandFromString(command), nil
+	}
+
+	return nil, c.OSCommand.RunCommand(command)
+}
+
+// PrepareCommitAmendSubProcess prepares a subprocess for `git commit --amend --allow-empty`
+func (c *GitCommand) PrepareCommitAmendSubProcess() *exec.Cmd {
+	return c.OSCommand.PrepareSubProcess("git", "commit", "--amend", "--allow-empty")
+}
+
+func (c *GitCommand) ShowCmdStr(sha string, filterPath string) string {
+	filterPathArg := ""
+	if filterPath != "" {
+		filterPathArg = fmt.Sprintf(" -- %s", c.OSCommand.Quote(filterPath))
+	}
+	return fmt.Sprintf("git show --submodule --color=%s --no-renames --stat -p %s %s", c.colorArg(), sha, filterPathArg)
+}
+
+// Revert reverts the selected commit by sha
+func (c *GitCommand) Revert(sha string) error {
+	return c.OSCommand.RunCommand("git revert %s", sha)
+}
+
+// CherryPickCommits begins an interactive rebase with the given shas being cherry picked onto HEAD
+func (c *GitCommand) CherryPickCommits(commits []*models.Commit) error {
+	todo := ""
+	for _, commit := range commits {
+		todo = "pick " + commit.Sha + " " + commit.Name + "\n" + todo
+	}
+
+	cmd, err := c.PrepareInteractiveRebaseCommand("HEAD", todo, false)
+	if err != nil {
+		return err
+	}
+
+	return c.OSCommand.RunPreparedCommand(cmd)
+}
+
+// CreateFixupCommit creates a commit that fixes up a previous commit
+func (c *GitCommand) CreateFixupCommit(sha string) error {
+	return c.OSCommand.RunCommand("git commit --fixup=%s", sha)
+}