fix: Ensure name/email are set before rebasing

Signed-off-by: Cezar Craciunoiu <cezar.craciunoiu@gmail.com>

cmd/governctl/pr/check/merable.go

@@ -28,6 +28,8 @@ type Mergable struct {
 	ApproverComments   []string `long:"approver-comments" env:"GOVERN_APPROVER_COMMENTS" usage:"Regular expression that an approver writes"`
 	ApproverTeams      []string `long:"approver-teams" env:"GOVERN_APPROVER_TEAMS" usage:"The GitHub team that the approver must be a part of to be considered an approver"`
 	ApproveStates      []string `long:"approve-states" env:"GOVERN_APPROVE_STATES" usage:"The state of the GitHub approval from the assignee" default:"approve"`
+	CommitterEmail     string   `long:"committer-email" short:"e" env:"GOVERN_COMMITTER_EMAIL" usage:"Set the Git committer author's email"`
+	CommitterName      string   `long:"committer-name" short:"n" env:"GOVERN_COMMITTER_NAME" usage:"Set the Git committer author's name"`
 	IgnoreLabels       []string `long:"ignore-labels" env:"GOVERN_IGNORE_LABELS" usage:"Ignore the PR if it has any of these labels"`
 	IgnoreStates       []string `long:"ignore-states" env:"GOVERN_IGNORE_STATES" usage:"Ignore the PR if it has any of these states"`
 	Labels             []string `long:"labels" env:"GOVERN_LABELS" usage:"The PR must have these labels to be considered mergable"`
@@ -89,6 +91,8 @@ func (opts *Mergable) Run(ctx context.Context, args []string) error {
 		ghClient,
 		ghOrg,
 		ghRepo,
+		opts.CommitterName,
+		opts.CommitterEmail,
 		ghPrId,
 		// ghpr.WithBaseBranch(opts.BaseBranch),
 		ghpr.WithWorkdir(kitcfg.G[config.Config](ctx).TempDir),

cmd/governctl/pr/check/patch.go

@@ -29,6 +29,8 @@ import (
 )
 
 type Patch struct {
+	CommitterEmail   string   `long:"committer-email" short:"e" env:"GOVERN_COMMITTER_EMAIL" usage:"Set the Git committer author's email"`
+	CommitterName    string   `long:"committer-name" short:"n" env:"GOVERN_COMMITTER_NAME" usage:"Set the Git committer author's name"`
 	Output           string   `long:"output" short:"o" env:"GOVERN_OUTPUT" usage:"Set the output format of choice [table, html, json, yaml]" default:"table"`
 	CheckpatchScript string   `long:"checkpatch-script" env:"GOVERN_CHECKPATCH_SCRIPT" usage:"Use an existing checkpatch.pl script"`
 	BaseBranch       string   `long:"base" env:"GOVERN_BASE_BRANCH" usage:"Set the base branch name that the PR will be rebased onto"`
@@ -91,6 +93,8 @@ func (opts *Patch) Run(ctx context.Context, args []string) error {
 		ghClient,
 		ghOrg,
 		ghRepo,
+		opts.CommitterName,
+		opts.CommitterEmail,
 		ghPrId,
 		ghpr.WithBaseBranch(opts.BaseBranch),
 		ghpr.WithWorkdir(kitcfg.G[config.Config](ctx).TempDir),

cmd/governctl/pr/merge.go

@@ -95,6 +95,8 @@ func (opts *Merge) Run(ctx context.Context, args []string) error {
 		ghClient,
 		ghOrg,
 		ghRepo,
+		opts.CommitterName,
+		opts.CommitterEmail,
 		ghPrId,
 		ghpr.WithBaseBranch(opts.BaseBranch),
 		ghpr.WithWorkdir(kitcfg.G[config.Config](ctx).TempDir),

internal/ghpr/ghpr.go

@@ -45,7 +45,7 @@ type PullRequest struct {
 // NewPullRequestFromID fetches information about a pull request via GitHub as
 // well as preparing the pull request as a series of patches that can be parsed
 // internally.
-func NewPullRequestFromID(ctx context.Context, client *ghapi.GithubClient, ghOrg, ghRepo string, ghPrId int, opts ...PullRequestOption) (*PullRequest, error) {
+func NewPullRequestFromID(ctx context.Context, client *ghapi.GithubClient, ghOrg, ghRepo, committerName, committerEmail string, ghPrId int, opts ...PullRequestOption) (*PullRequest, error) {
 	var err error
 
 	pr := PullRequest{
@@ -166,9 +166,32 @@ func NewPullRequestFromID(ctx context.Context, client *ghapi.GithubClient, ghOrg
 		return nil, fmt.Errorf("could not checkout branch '%s': %w", refname, err)
 	}
 
+	log.G(ctx).Infof("configuring committer name and email")
+
+	// Add commiter name
+	if committerName != "" {
+		cmd := exec.Command("git", "-C", pr.localRepo, "config", "user.name", committerName)
+		cmd.Stderr = log.G(ctx).WriterLevel(logrus.ErrorLevel)
+		cmd.Stdout = log.G(ctx).WriterLevel(logrus.DebugLevel)
+		if err := cmd.Run(); err != nil {
+			return nil, fmt.Errorf("could not config user: %w", err)
+		}
+	}
+
+	// Add commiter email
+	if committerEmail != "" {
+		cmd := exec.Command("git", "-C", pr.localRepo, "config", "user.email", committerEmail)
+		cmd.Stderr = log.G(ctx).WriterLevel(logrus.ErrorLevel)
+		cmd.Stdout = log.G(ctx).WriterLevel(logrus.DebugLevel)
+		if err := cmd.Run(); err != nil {
+			return nil, fmt.Errorf("could not config email: %w", err)
+		}
+	}
+
 	log.G(ctx).Infof("rebasing pull request's branch on to '%s' branch", pr.baseBranch)
 
-	rebase := exec.Command(
+	rebase := exec.CommandContext(
+		ctx,
 		"git",
 		"-C", pr.localRepo,
 		"rebase",