$ git clone -n https://src.fedoraproject.org/rpms/rubygem-http-accept.git /var/lib/mock/f40-build-2033827-47842/root/chroot_tmpdir/scmroot/rubygem-http-accept
Cloning into '/var/lib/mock/f40-build-2033827-47842/root/chroot_tmpdir/scmroot/rubygem-http-accept'...
$ git fetch origin 0eb88c600ab8d42c24d25556290efabab0d25432:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-http-accept
 * [new ref]         0eb88c600ab8d42c24d25556290efabab0d25432 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0eb88c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild