feat: Additional Verbose Logging (#21)

Additional verbose logging when computing impacted targets.
 - bazel version
 - bazel-diff version
 - verbose bazel-diff logging

src/scripts/compute_impacted_targets.sh

@@ -13,6 +13,14 @@ logIfVerbose() {
 	ifVerbose echo "$(date -u)" "$@"
 }
 
+bazelDiff() {
+	if [[ -n ${VERBOSE} ]]; then
+		java -jar bazel-diff.jar "$@" --verbose
+	else
+		java -jar bazel-diff.jar "$@"
+	fi
+}
+
 # NOTE: We cannot assume that the checked out Git repo (e.g. via actions-checkout)
 # was a shallow vs a complete clone. The `--depth` options deepens the commit history
 # in both clone modes: https://git-scm.com/docs/fetch-options#Documentation/fetch-options.txt---depthltdepthgt
@@ -37,6 +45,8 @@ fetchRemoteGitHistory "${PR_BRANCH}"
 
 # Install the bazel-diff JAR. Avoid cloning the repo, as there will be conflicting WORKSPACES.
 curl --retry 5 -Lo bazel-diff.jar https://github.com/Tinder/bazel-diff/releases/latest/download/bazel-diff_deploy.jar
+java -jar bazel-diff.jar -V
+bazel --version
 
 git switch "${MERGE_INSTANCE_BRANCH}"
 merge_instance_branch_head_sha=$(git rev-parse "${MERGE_INSTANCE_BRANCH}")
@@ -71,14 +81,14 @@ impacted_targets_out=./impacted_targets_${pr_branch_head_sha}
 
 # Generate Hashes for the Merge Instance Branch
 git switch "${MERGE_INSTANCE_BRANCH}"
-java -jar bazel-diff.jar generate-hashes --workspacePath="${WORKSPACE_PATH}" "${merge_instance_branch_out}"
+bazelDiff generate-hashes --workspacePath="${WORKSPACE_PATH}" "${merge_instance_branch_out}"
 
 # Generate Hashes for the Merge Instance Branch + PR Branch
 git -c "user.name=Trunk Actions" -c "[email protected]" merge --squash "${PR_BRANCH}"
-java -jar bazel-diff.jar generate-hashes --workspacePath="${WORKSPACE_PATH}" "${merge_instance_with_pr_branch_out}"
+bazelDiff generate-hashes --workspacePath="${WORKSPACE_PATH}" "${merge_instance_with_pr_branch_out}"
 
 # Compute impacted targets
-java -jar bazel-diff.jar get-impacted-targets --startingHashes="${merge_instance_branch_out}" --finalHashes="${merge_instance_with_pr_branch_out}" --output="${impacted_targets_out}"
+bazelDiff get-impacted-targets --startingHashes="${merge_instance_branch_out}" --finalHashes="${merge_instance_with_pr_branch_out}" --output="${impacted_targets_out}"
 
 num_impacted_targets=$(wc -l <"${impacted_targets_out}")
 echo "Computed ${num_impacted_targets} targets for sha ${pr_branch_head_sha}"