$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ruby-progressbar.git /var/lib/mock/f40-build-2034298-47881/root/chroot_tmpdir/scmroot/rubygem-ruby-progressbar
Cloning into '/var/lib/mock/f40-build-2034298-47881/root/chroot_tmpdir/scmroot/rubygem-ruby-progressbar'...
$ git fetch origin b263c37d2a6e97ff4694f23d8698fc3976742cdd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-ruby-progressbar
 * [new ref]         b263c37d2a6e97ff4694f23d8698fc3976742cdd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b263c37 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild