$ git clone -n https://src.fedoraproject.org/rpms/assertj-core.git /var/lib/mock/f39-build-1640104-40130/root/chroot_tmpdir/scmroot/assertj-core
Cloning into '/var/lib/mock/f39-build-1640104-40130/root/chroot_tmpdir/scmroot/assertj-core'...
$ git fetch origin 36ce67b607f2f3fe21784710dde6413c45d8a301:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/assertj-core
 * [new ref]         36ce67b607f2f3fe21784710dde6413c45d8a301 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 36ce67b Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild