Detect the edition based on the Jenkins job name, and add NOTICE.txt back

Summary:
- Detect the edition based on the Jenkins job name
- Also add NOTICE.txt back, as required by the Apache license

Test Plan: Jenkins: compile only

Reviewers: bogdan, hector

Reviewed By: bogdan, hector

Subscribers: bogdan, ybase

Differential Revision: https://phabricator.dev.yugabyte.com/D3780

Author: mbautin

NOTICE.txt

@@ -0,0 +1,15 @@
+YugaByte Database
+Copyright 2016-present YugaByte, Inc.
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
+
+Portions of this software were developed at
+Cloudera, Inc (http://www.cloudera.com/).
+
+This product includes software developed by the OpenSSL
+Project for use in the OpenSSL Toolkit (http://www.openssl.org/)
+
+This product includes cryptographic software written by Eric Young
+([email protected]).  This product includes software written by Tim
+Hudson ([email protected]).

build-support/common-build-env-test.sh

@@ -28,6 +28,14 @@ assert_equals() {
   fi
 }
 
+pretend_we_are_on_jenkins() {
+  if [[ -z ${JOB_NAME:-} ]]; then
+    JOB_NAME=some-jenkins-job-name
+  fi
+  BUILD_ID=12345
+  USER=jenkins
+}
+
 # -------------------------------------------------------------------------------------------------
 # Testing detecting build type by Jenkins job name.
 # -------------------------------------------------------------------------------------------------
@@ -131,6 +139,7 @@ test_set_cmake_build_type_and_compiler_type() {
     assert_equals "$expected_compiler_type" "$YB_COMPILER_TYPE"
   )
   local exit_code=$?
+  set -e
   assert_equals "$expected_exit_code" "$exit_code"
 }
 
@@ -163,4 +172,36 @@ test_set_cmake_build_type_and_compiler_type release    linux-gnu auto       rele
 test_set_cmake_build_type_and_compiler_type release    linux-gnu clang      release    clang  0
 test_set_cmake_build_type_and_compiler_type release    linux-gnu gcc        release    gcc    0
 
+# -------------------------------------------------------------------------------------------------
+# Test detecting edition based on Jenkins job name
+# -------------------------------------------------------------------------------------------------
+
+test_detect_edition() {
+  expect_num_args 2 "$@"
+  local expected_edition=$1
+  local jenkins_job_name=$2
+  (
+    unset YB_EDITION
+    yb_edition_detected=false
+    pretend_we_are_on_jenkins
+    JOB_NAME="$jenkins_job_name"
+    detect_edition
+    assert_equals "$expected_edition" "$YB_EDITION"
+  )
+}
+
+test_detect_edition community foo-bar-community-baz
+test_detect_edition community foo-bar-community
+test_detect_edition enterprise foo-bar-enterprise-baz
+test_detect_edition enterprise foo-bar-enterprise
+
+# No edition specified in the Jenkins job name.
+if [[ -d $YB_ENTERPRISE_ROOT ]]; then
+  test_detect_edition enterprise some-jenkins-job-name
+else
+  test_detect_edition community some-jenkins-job-name
+fi
+
+# -------------------------------------------------------------------------------------------------
+
 echo "${0##/*} succeeded"

build-support/common-build-env.sh

@@ -1223,7 +1223,13 @@ detect_edition() {
   # If we haven't detected edition based on BUILD_ROOT, let's do that based on existence of the
   # enterprise source directory.
   if [[ -z ${YB_EDITION:-} ]]; then
-    if [[ -d $YB_ENTERPRISE_ROOT ]]; then
+    if is_jenkins && [[ $JOB_NAME =~ -community(-|$) ]]; then
+      YB_EDITION=community
+      log "Detecting YB_EDITION: $YB_EDITION based on Jenkins job name: $JOB_NAME"
+    elif is_jenkins && [[ $JOB_NAME =~ -enterprise(-|$) ]]; then
+      YB_EDITION=enterprise
+      log "Detecting YB_EDITION: $YB_EDITION based on Jenkins job name: $JOB_NAME"
+    elif [[ -d $YB_ENTERPRISE_ROOT ]]; then
       YB_EDITION=enterprise
       log "Detected YB_EDITION: $YB_EDITION based on existence of '$YB_ENTERPRISE_ROOT'"
     else