$ git clone -n https://src.fedoraproject.org/rpms/rust-const-random-macro.git /var/lib/mock/f39-build-1444985-32644/root/chroot_tmpdir/scmroot/rust-const-random-macro
Cloning into '/var/lib/mock/f39-build-1444985-32644/root/chroot_tmpdir/scmroot/rust-const-random-macro'...
$ git fetch origin 9e51181a412ca588b8c391062335da0f9d5f7d56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-const-random-macro
 * [new ref]         9e51181a412ca588b8c391062335da0f9d5f7d56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9e51181 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild