Main branch as default (Kaggle#1021)

https://b/188715321

Jenkinsfile

@@ -1,4 +1,4 @@
-String cron_string = BRANCH_NAME == "master" ? "H 12 * * 1-5" : "" // Mon-Fri at noon UTC, 8am EST, 5am PDT
+String cron_string = BRANCH_NAME == "main" ? "H 12 * * 1-5" : "" // Mon-Fri at noon UTC, 8am EST, 5am PDT
 
 pipeline {
  agent { label 'ephemeral-linux' }
@@ -14,9 +14,9 @@ pipeline {
  GIT_COMMIT_SUBJECT = sh(returnStdout: true, script:"git log --format=%s -n 1 HEAD").trim()
  GIT_COMMIT_AUTHOR = sh(returnStdout: true, script:"git log --format='%an' -n 1 HEAD").trim()
  GIT_COMMIT_SUMMARY = "`<https://github.com/Kaggle/docker-python/commit/${GIT_COMMIT}|${GIT_COMMIT_SHORT}>` ${GIT_COMMIT_SUBJECT} - ${GIT_COMMIT_AUTHOR}"
- SLACK_CHANNEL = sh(returnStdout: true, script: "if [[ \"${GIT_BRANCH}\" == \"master\" ]]; then echo \"#kernelops\"; else echo \"#builds\"; fi").trim()
- PRETEST_TAG = sh(returnStdout: true, script: "if [[ \"${GIT_BRANCH}\" == \"master\" ]]; then echo \"ci-pretest\"; else echo \"${GIT_BRANCH}-pretest\"; fi").trim()
- STAGING_TAG = sh(returnStdout: true, script: "if [[ \"${GIT_BRANCH}\" == \"master\" ]]; then echo \"staging\"; else echo \"${GIT_BRANCH}-staging\"; fi").trim()
+ SLACK_CHANNEL = sh(returnStdout: true, script: "if [[ \"${GIT_BRANCH}\" == \"main\" ]]; then echo \"#kernelops\"; else echo \"#builds\"; fi").trim()
+ PRETEST_TAG = sh(returnStdout: true, script: "if [[ \"${GIT_BRANCH}\" == \"main\" ]]; then echo \"ci-pretest\"; else echo \"${GIT_BRANCH}-pretest\"; fi").trim()
+ STAGING_TAG = sh(returnStdout: true, script: "if [[ \"${GIT_BRANCH}\" == \"main\" ]]; then echo \"staging\"; else echo \"${GIT_BRANCH}-staging\"; fi").trim()
  }
 
  stages {

README.md

@@ -27,7 +27,7 @@ If you the first step above doesn't work for your use case, [open an issue](http
  1. For changes specific to the GPU image, update the [gpu.Dockerfile](gpu.Dockerfile).
  1. Otherwise, update the [Dockerfile](Dockerfile).
 1. Follow the instructions below to build a new image.
-1. Add tests for your new package. See this [example](https://github.com/Kaggle/docker-python/blob/master/tests/test_fastai.py).
+1. Add tests for your new package. See this [example](https://github.com/Kaggle/docker-python/blob/main/tests/test_fastai.py).
 1. Follow the instructions below to test the new image.
 1. Open a PR on this repo and you are all set!