$ git clone -n https://src.fedoraproject.org/rpms/echo-artist.git /var/lib/mock/f40-build-1995094-43866/root/chroot_tmpdir/scmroot/echo-artist
Cloning into '/var/lib/mock/f40-build-1995094-43866/root/chroot_tmpdir/scmroot/echo-artist'...
$ git fetch origin 09a932a5b4a668a1979bdb7a4e4c639bd619a7ec:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/echo-artist
 * [new ref]         09a932a5b4a668a1979bdb7a4e4c639bd619a7ec -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09a932a Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild