| // Copyright 2019 Google LLC |
| // |
| // 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 main |
| |
| import ( |
| "bytes" |
| "context" |
| "errors" |
| "fmt" |
| "io" |
| "log" |
| "os" |
| "os/exec" |
| "regexp" |
| ) |
| |
| // gerritRegex is used to find gerrit links. |
| var gerritRegex = regexp.MustCompile(`https://code-review.googlesource.com.+[0-9]+`) |
| |
| const ( |
| gerritCommitTitle = "all: auto-regenerate gapics" |
| gerritCommitBody = ` |
| This is an auto-generated regeneration of the gapic clients by |
| cloud.google.com/go/internal/gapicgen. Once the corresponding genproto PR is |
| submitted, autotogen will update this CL with a newer dependency to the newer |
| version of genproto and assign reviewers to this CL. |
| |
| If you have been assigned to review this CL, please: |
| |
| - Ensure that the version of genproto in go.mod has been updated. |
| - Ensure that CI is passing. If it's failing, it requires your manual attention. |
| - +2 and submit this CL if you believe it's ready to ship. |
| ` |
| ) |
| |
| // clGocloud creates a CL for the given gocloud change (including a link to |
| // the given genproto PR). |
| // |
| // genprotoPRNum may be -1 to indicate there is no corresponding genproto PR. |
| func clGocloud(ctx context.Context, gocloudDir string, genprotoPRNum int) (url string, _ error) { |
| log.Println("creating gocloud CL") |
| |
| var newBody string |
| if genprotoPRNum > 0 { |
| newBody = gerritCommitBody + fmt.Sprintf("\n\nCorresponding genproto PR: https://github.com/googleapis/go-genproto/pull/%d\n", genprotoPRNum) |
| } else { |
| newBody = gerritCommitBody + "\n\nThere is no corresponding genproto PR.\n" |
| } |
| |
| // Write command output to both os.Stderr and local, so that we can check |
| // for gerrit URL. |
| inmem := bytes.NewBuffer([]byte{}) // TODO(deklerk): Try `var inmem bytes.Buffer`. |
| w := io.MultiWriter(os.Stderr, inmem) |
| |
| c := exec.Command("/bin/bash", "-c", ` |
| set -ex |
| |
| CHANGE_ID=$(echo $RANDOM | git hash-object --stdin) |
| git checkout master |
| git branch -d regen_gapics || true |
| git add -A |
| git checkout -b regen_gapics |
| git commit -m "$COMMIT_TITLE" -m "$COMMIT_BODY" -m "Change-Id: I$CHANGE_ID" |
| git-codereview mail |
| `) |
| c.Stdout = os.Stdout |
| c.Stderr = w |
| c.Stdin = os.Stdin // Prevents "the input device is not a TTY" error. |
| c.Env = []string{ |
| fmt.Sprintf("COMMIT_TITLE=%s", gerritCommitTitle), |
| fmt.Sprintf("COMMIT_BODY=%s", newBody), |
| fmt.Sprintf("PATH=%s", os.Getenv("PATH")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands. |
| fmt.Sprintf("HOME=%s", os.Getenv("HOME")), // TODO(deklerk): Why do we need to do this? Doesn't seem to be necessary in other exec.Commands. |
| } |
| c.Dir = gocloudDir |
| if err := c.Run(); err != nil { |
| return "", err |
| } |
| |
| b := inmem.Bytes() |
| |
| clURL := gerritRegex.FindString(string(b)) |
| if clURL == "" { |
| return "", errors.New("couldn't get CL URL from gerrit push message") |
| } |
| |
| log.Printf("creating gocloud CL... done %s\n", clURL) |
| return clURL, nil |
| } |