Fix prerelease downloading

Author: maths22

.github/workflows/publish.yml

@@ -13,9 +13,9 @@ jobs:
           path: "ruby"
       - run: |
           major_version=$(head -n1 ruby/debian/changelog | egrep -o "ruby[0-9.]+" | sed "s/ruby//")
-          minor_version=$(head -n1 ruby/debian/changelog | egrep -o "\([0-9.]+" | sed "s/(//")
-          curl https://cache.ruby-lang.org/pub/ruby/${major_version}/ruby-${minor_version}.tar.gz > ruby${major_version}_${minor_version}.orig.tar.gz
-          # Remove this file itself to avoid generating a debian-changes file
+          minor_version=$(head -n1 ruby/debian/changelog | egrep -o "\([0-9.]+(~[a-z0-9]+)?" | sed "s/(//")
+          upstream_minor_version=$(echo $minor_version | sed "s/~/-/")
+          curl https://cache.ruby-lang.org/pub/ruby/${major_version}/ruby-${upstream_minor_version}.tar.gz > ruby${major_version}_${minor_version}.orig.tar.gz          # Remove this file itself to avoid generating a debian-changes file
           rm -rf ruby/.github
       - name: Publish PPA
         uses: maths22/publish-ppa-package@main

debian/changelog

@@ -1,10 +1,10 @@
-ruby3.3 (3.3.0~preview2-1ppa5) focal; urgency=medium
+ruby3.3 (3.3.0~preview2-1ppa1) focal; urgency=medium
 
   [ Jacob Burroughs ]
   * New upstream version 3.3.0~preview2
   * Restore auto-upload
 
- -- Ubuntu <ubuntu@focal>  Mon, 18 Sep 2023 13:25:33 -0500
+ -- Jacob Burroughs <maths22@gmail.com>  Mon, 18 Sep 2023 13:25:33 -0500
 
 ruby3.3 (3.3.0~preview1-1ppa5) focal; urgency=medium