$ git clone -n https://src.fedoraproject.org/rpms/rubygem-sinatra-rabbit.git /var/lib/mock/f39-build-1499417-34744/root/chroot_tmpdir/scmroot/rubygem-sinatra-rabbit
Cloning into '/var/lib/mock/f39-build-1499417-34744/root/chroot_tmpdir/scmroot/rubygem-sinatra-rabbit'...
$ git fetch origin 554ab987cb79e3dd106d4c4618d9d44f03209850:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-sinatra-rabbit
 * [new ref]         554ab987cb79e3dd106d4c4618d9d44f03209850 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 554ab98 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild