GODRIVER-3008 Use mongodb-drivers-comment-bot for API reports (#1424)

Author: blink1073

Diff for: .evergreen/config.yml

@@ -54,7 +54,7 @@ functions:
           export GOCACHE="$(pwd)/.cache"
 
           # Set other relevant variables for Evergreen processes.
-          export DRIVERS_TOOLS="$(pwd)/../drivers-tools"
+          export DRIVERS_TOOLS="$(dirname $(dirname $(dirname `pwd`)))/drivers-tools"
           export PROJECT_DIRECTORY="$(pwd)"
           export MONGO_ORCHESTRATION_HOME="$DRIVERS_TOOLS/.evergreen/orchestration"
           export MONGODB_BINARIES="$DRIVERS_TOOLS/mongodb/bin"
@@ -329,6 +329,18 @@ functions:
           ${PREPARE_SHELL}
           sh ${PROJECT_DIRECTORY}/.evergreen/run-tests.sh
 
+  create-api-report:
+    - command: shell.exec
+      type: test
+      params:
+        shell: "bash"
+        working_dir: src/go.mongodb.org/mongo-driver
+        script: |
+          ${PREPARE_SHELL}
+          export BASE_SHA=${revision}
+          export HEAD_SHA=${github_commit}
+          bash etc/api_report.sh
+
   send-perf-data:
     - command: perf.send
       params:
@@ -1194,6 +1206,7 @@ tasks:
       - func: run-make
         vars:
           targets: "check-fmt check-license check-modules lint"
+      - func: "create-api-report"
 
   - name: perf
     tags: ["performance"]

Diff for: .evergreen/run-tests.sh

@@ -7,7 +7,7 @@ export GOCACHE="$(pwd)/.cache"
 export DRIVERS_TOOLS=${DRIVERS_TOOLS:-""}
 
 if [ -z $DRIVERS_TOOLS ]; then
-  export DRIVERS_TOOLS="$(pwd)/../drivers-tools"
+  export DRIVERS_TOOLS=="$(dirname $(dirname $(dirname `pwd`)))/drivers-tools"
 fi
 
 if [ "Windows_NT" = "$OS" ]; then

Diff for: .github/workflows/comment.yml

@@ -14,6 +14,10 @@ perf
 .DS_Store
 install
 main.so
+.cache
+install
+libmongocrypt
+venv
 test.suite
 
 # AWS SAM-generated files

Diff for: .gitignore

@@ -24,10 +24,6 @@ build: cross-compile build-tests build-compile-check
 build-tests:
 	go test -short $(BUILD_TAGS) -run ^$$ ./...
 
-.PHONY: api-report
-api-report:
-	etc/api_report.sh
-
 .PHONY: build-compile-check
 build-compile-check:
 	etc/compile_check.sh

Diff for: Makefile

@@ -3,18 +3,29 @@
 # Generates a report of Go Driver API changes for the current branch.
 set -eux
 
-cmd=$(command -v gorelease || true)
+# Skip the report of it isn't a PR run.
+if [ "$BASE_SHA" == "$HEAD_SHA" ]; then
+    echo "Skipping API Report"
+    exit 0
+fi
+  
+# Ensure a clean checkout.
+git checkout -b test-api-report
+git add .
+git commit -m "local changes"
 
+# Ensure gorelease is installed.
+cmd=$(command -v gorelease || true)
 if [ -z $cmd ]; then
     go install golang.org/x/exp/cmd/gorelease@latest
 fi
 
-branch=${GITHUB_BASE_REF:-master}
-git fetch origin $branch:$branch
-sha=$(git merge-base $branch HEAD)
-
-gorelease -base=$sha > api-report.txt || true
-
+# Generate and parse the report.
+gorelease -base=$BASE_SHA > api-report.txt || true
+cat api-report.txt
 go run ./cmd/parse-api-report/main.go
+rm api-report.txt
 
-rm api-report.txt
+# Make the PR comment.
+target=$DRIVERS_TOOLS/.evergreen/github_app/create_or_modify_comment.sh
+bash $target -m "## API Change Report" -c "$(pwd)/api-report.md" -h $HEAD_SHA -o "mongodb" -n "mongo-go-driver"