feat(third_party): Check in git-appraise r/10

1 files changed, 157 insertions, 0 deletions

diff --git a/third_party/go/git-appraise/commands/submit.go b/third_party/go/git-appraise/commands/submit.go
new file mode 100644
index 000000000000..58fa00235087
--- /dev/null
+++ b/third_party/go/git-appraise/commands/submit.go
@@ -0,0 +1,157 @@
+/*
+Copyright 2015 Google Inc. All rights reserved.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package commands
+
+import (
+	"errors"
+	"flag"
+	"fmt"
+	"github.com/google/git-appraise/repository"
+	"github.com/google/git-appraise/review"
+)
+
+var submitFlagSet = flag.NewFlagSet("submit", flag.ExitOnError)
+
+var (
+	submitMerge       = submitFlagSet.Bool("merge", false, "Create a merge of the source and target refs.")
+	submitRebase      = submitFlagSet.Bool("rebase", false, "Rebase the source ref onto the target ref.")
+	submitFastForward = submitFlagSet.Bool("fast-forward", false, "Create a merge using the default fast-forward mode.")
+	submitTBR         = submitFlagSet.Bool("tbr", false, "(To be reviewed) Force the submission of a review that has not been accepted.")
+	submitArchive     = submitFlagSet.Bool("archive", true, "Prevent the original commit from being garbage collected; only affects rebased submits.")
+
+	submitSign = submitFlagSet.Bool("S", false,
+		"Sign the contents of the submission")
+)
+
+// Submit the current code review request.
+//
+// The "args" parameter contains all of the command line arguments that followed the subcommand.
+func submitReview(repo repository.Repo, args []string) error {
+	submitFlagSet.Parse(args)
+	args = submitFlagSet.Args()
+
+	if *submitMerge && *submitRebase {
+		return errors.New("Only one of --merge or --rebase is allowed.")
+	}
+
+	var r *review.Review
+	var err error
+	if len(args) > 1 {
+		return errors.New("Only accepting a single review is supported.")
+	}
+	if len(args) == 1 {
+		r, err = review.Get(repo, args[0])
+	} else {
+		r, err = review.GetCurrent(repo)
+	}
+
+	if err != nil {
+		return fmt.Errorf("Failed to load the review: %v\n", err)
+	}
+	if r == nil {
+		return errors.New("There is no matching review.")
+	}
+
+	if r.Submitted {
+		return errors.New("The review has already been submitted.")
+	}
+
+	if !*submitTBR && (r.Resolved == nil || !*r.Resolved) {
+		return errors.New("Not submitting as the review has not yet been accepted.")
+	}
+
+	target := r.Request.TargetRef
+	if err := repo.VerifyGitRef(target); err != nil {
+		return err
+	}
+	source, err := r.GetHeadCommit()
+	if err != nil {
+		return err
+	}
+
+	isAncestor, err := repo.IsAncestor(target, source)
+	if err != nil {
+		return err
+	}
+	if !isAncestor {
+		return errors.New("Refusing to submit a non-fast-forward review. First merge the target ref.")
+	}
+
+	if !(*submitRebase || *submitMerge || *submitFastForward) {
+		submitStrategy, err := repo.GetSubmitStrategy()
+		if err != nil {
+			return err
+		}
+		if submitStrategy == "merge" && !*submitRebase && !*submitFastForward {
+			*submitMerge = true
+		}
+		if submitStrategy == "rebase" && !*submitMerge && !*submitFastForward {
+			*submitRebase = true
+		}
+		if submitStrategy == "fast-forward" && !*submitRebase && !*submitMerge {
+			*submitFastForward = true
+		}
+	}
+
+	if *submitRebase {
+		var err error
+		if *submitSign {
+			err = r.RebaseAndSign(*submitArchive)
+		} else {
+			err = r.Rebase(*submitArchive)
+		}
+		if err != nil {
+			return err
+		}
+
+		source, err = r.GetHeadCommit()
+		if err != nil {
+			return err
+		}
+	}
+
+	if err := repo.SwitchToRef(target); err != nil {
+		return err
+	}
+	if *submitMerge {
+		submitMessage := fmt.Sprintf("Submitting review %.12s", r.Revision)
+		if *submitSign {
+			return repo.MergeAndSignRef(source, false, submitMessage,
+				r.Request.Description)
+		} else {
+			return repo.MergeRef(source, false, submitMessage,
+				r.Request.Description)
+		}
+	} else {
+		if *submitSign {
+			return repo.MergeAndSignRef(source, true)
+		} else {
+			return repo.MergeRef(source, true)
+		}
+	}
+}
+
+// submitCmd defines the "submit" subcommand.
+var submitCmd = &Command{
+	Usage: func(arg0 string) {
+		fmt.Printf("Usage: %s submit [<option>...] [<review-hash>]\n\nOptions:\n", arg0)
+		submitFlagSet.PrintDefaults()
+	},
+	RunMethod: func(repo repository.Repo, args []string) error {
+		return submitReview(repo, args)
+	},
+}