Attempt to get versions several times

Update the publish eclipse site CI script so that the get revisions
call is attempted multiple times. The initial call always seems to
return stale data for some reason.

See gh-125

Author: philwebb

ci/scripts/publish-eclipse-update-site.sh

@@ -19,7 +19,12 @@ curl \
 		-T "artifactory-repo/io/spring/javaformat/io.spring.javaformat.eclipse.site/${version}/io.spring.javaformat.eclipse.site-${version}.zip" \
 		"https://api.bintray.com/content/spring/javaformat-eclipse/update-site/${version}/${version}/site.zip?explode=1&publish=1" > /dev/null || { echo "Failed to publish" >&2; exit 1; }
 
-releasedVersions=$( curl -f -X GET https://api.bintray.com/packages/spring/javaformat-eclipse/update-site | jq -r '.versions[]' )
+# Getting the released versions can be flaky, try a few times
+for i in {1..2}; do
+	releasedVersions=$( curl -f -X GET https://api.bintray.com/packages/spring/javaformat-eclipse/update-site | jq -r '.versions[]' )
+	sleep 10
+done
+
 respositories=""
 while read -r releasedVersion; do
 	echo "Adding repository for ${releasedVersion}"