$ git clone -n https://src.fedoraproject.org/rpms/rubygem-async_sinatra.git /var/lib/mock/f38-build-side-42-init-devel-647779-26439/root/chroot_tmpdir/scmroot/rubygem-async_sinatra
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-647779-26439/root/chroot_tmpdir/scmroot/rubygem-async_sinatra'...
$ git fetch origin 236feeb8ff4ceec82c194ec8ed6b0c8fc593889d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-async_sinatra
 * [new ref]         236feeb8ff4ceec82c194ec8ed6b0c8fc593889d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 236feeb Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild