$ git clone -n https://src.fedoraproject.org/rpms/bluebird.git /var/lib/mock/f40-build-2274676-55022/root/chroot_tmpdir/scmroot/bluebird
Cloning into '/var/lib/mock/f40-build-2274676-55022/root/chroot_tmpdir/scmroot/bluebird'...
$ git fetch origin b692b362c26c94823e2655e3f8560e2e5b3beab2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bluebird
 * [new ref]         b692b362c26c94823e2655e3f8560e2e5b3beab2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b692b36 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild