$ git clone -n https://src.fedoraproject.org/rpms/jumpnbump.git /var/lib/mock/f40-build-2292213-56113/root/chroot_tmpdir/scmroot/jumpnbump
Cloning into '/var/lib/mock/f40-build-2292213-56113/root/chroot_tmpdir/scmroot/jumpnbump'...
$ git fetch origin a4ba7ae0b6114f93bfe0fb2896da899d331edaec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jumpnbump
 * [new ref]         a4ba7ae0b6114f93bfe0fb2896da899d331edaec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a4ba7ae Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild