$ git clone -n https://src.fedoraproject.org/rpms/rust-peg0.5.git /var/lib/mock/f40-build-2326467-58834/root/chroot_tmpdir/scmroot/rust-peg0.5
Cloning into '/var/lib/mock/f40-build-2326467-58834/root/chroot_tmpdir/scmroot/rust-peg0.5'...
$ git fetch origin 7d9519fd3db0a1c07d0b3d0d85dc15b5f3a2fa3f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-peg0.5
 * [new ref]         7d9519fd3db0a1c07d0b3d0d85dc15b5f3a2fa3f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7d9519f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild