Use absolute example link for pub.dev.

Author: greenrobot-team

tool/pubdev-links.sh

@@ -4,4 +4,6 @@ echo "Setting pub.dev specific links"
 
 update objectbox/README.md "s|example/README.md|https://pub.dev/packages/objectbox/example|g"
 update objectbox/README.md "s|CHANGELOG.md|https://pub.dev/packages/objectbox/changelog|g"
-update objectbox/README.md "s|../CONTRIBUTING.md|https://github.com/objectbox/objectbox-dart/blob/main/CONTRIBUTING.md|g"
+update objectbox/README.md "s|../CONTRIBUTING.md|https://github.com/objectbox/objectbox-dart/blob/main/CONTRIBUTING.md|g"
+# Link generated by pub.dev is missing "objectbox" path, so replace with absolute link.
+update objectbox/example/README.md "s|flutter/objectbox_demo|https://github.com/objectbox/objectbox-dart/tree/main/objectbox/example/flutter/objectbox_demo|g"

tool/publish.sh

@@ -23,7 +23,7 @@ find "${root}" -type f -name "pubspec.yaml" \
   -exec cp "{}" "{}.original" \; \
   -exec "$YQCMD" delete -i "{}" dependency_overrides \;
 
-# update links in the readme (see `git restore "${root}/objectbox/README.md"` below)
+# Update links in READMEs (restored by git restore commands below).
 "${root}/tool/pubdev-links.sh"
 
 # =========================== PUBLISH ======================== #
@@ -62,4 +62,6 @@ find "${root}" -type f -name "pubspec.yaml" \
   -exec mv "{}.original" "{}" \;
 
 echo "Restoring objectbox/README.md"
-git restore "${root}/objectbox/README.md"
+git restore "${root}/objectbox/README.md"
+echo "Restoring objectbox/example/README.md"
+git restore "${root}/objectbox/example/README.md"