Quote PWD environment variable

Author: olafurpg

.github/workflows/ci.yml

@@ -27,11 +27,11 @@ jobs:
       - uses: actions/checkout@v2
       - run: yarn global add @bazel/bazelisk
       - run: bazel build //... --//semanticdb-javac:enabled=true
-      - run: bazel run lsif-semanticdb:bazel -- --sourceroot $PWD
+      - run: bazel run lsif-semanticdb:bazel -- --sourceroot "$PWD"
       - run: du -h dump.lsif-typed
       - run: bazel build //... --@lsif_java//semanticdb-javac:enabled=true
         working-directory: examples/bazel-example
-      - run: bazel run @lsif_java//lsif-semanticdb:bazel -- --sourceroot $PWD
+      - run: bazel run @lsif_java//lsif-semanticdb:bazel -- --sourceroot "$PWD"
         working-directory: examples/bazel-example
       - run: du -h dump.lsif-typed
         working-directory: examples/bazel-example

lsif-semanticdb/src/main/java/com/sourcegraph/lsif_semanticdb/BazelOptions.java

@@ -16,7 +16,7 @@ public class BazelOptions {
   public boolean parallel = false;
 
   public static void printHelp() {
-    System.out.println("bazel run //lsif-semanticdb:bazel -- [..options]");
+    System.out.println("bazel run @lsif_java//lsif-semanticdb:bazel -- [..options]");
     System.out.println();
     System.out.println("Command-line tool to generate LSIF for Java targets in a Bazel build.");
     System.out.println(
@@ -27,7 +27,7 @@ public static void printHelp() {
     System.out.println(
         "  --sourceroot <path> the absolute path to the root directory of the Bazel codebase");
     System.out.println(
-        "                      TIP: use --sourceroot $PWD to pass the current working directory");
+        "                      TIP: use --sourceroot \"$PWD\" to pass the current working directory");
     System.out.println("  --output <path> the absolute path to the file that should be generated");
     System.out.println("  --parallel whether to process files in parallel");
     System.out.println(
@@ -95,7 +95,7 @@ public static Optional<BazelOptions> parse(String[] args) throws IOException {
     if (options.sourceroot == null) {
       if (args.length == 0) {
         errors.add(
-            "missing required flag --sourceroot <path>. To fix this problem, pass in the `--sourceroot` flag like this: bazel run @lsif_java//lsif-semanticdb:bazel -- --sourceroot $PWD");
+            "missing required flag --sourceroot <path>. To fix this problem, pass in the `--sourceroot` flag like this: bazel run @lsif_java//lsif-semanticdb:bazel -- --sourceroot \"$PWD\"");
       } else {
         errors.add("missing required flag --sourceroot <path>");
       }