$ git clone -n https://src.fedoraproject.org/rpms/rubygem-abrt.git /var/lib/mock/f42-build-3458045-45512/root/chroot_tmpdir/scmroot/rubygem-abrt
Cloning into '/var/lib/mock/f42-build-3458045-45512/root/chroot_tmpdir/scmroot/rubygem-abrt'...
$ git fetch origin 88bbf2eb13006f9761b4e6cfd44d349aa62d94f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-abrt
 * [new ref]         88bbf2eb13006f9761b4e6cfd44d349aa62d94f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 88bbf2e Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild