$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Smoke.git /var/lib/mock/f40-build-2526379-61812/root/chroot_tmpdir/scmroot/perl-Test-Smoke
Cloning into '/var/lib/mock/f40-build-2526379-61812/root/chroot_tmpdir/scmroot/perl-Test-Smoke'...
$ git fetch origin 41a2c5bdae255f65735ca64e09909058136fa3d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Smoke
 * [new ref]         41a2c5bdae255f65735ca64e09909058136fa3d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 41a2c5b Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild