$ git clone -n https://src.fedoraproject.org/rpms/rust-peg-macros.git /var/lib/mock/f40-build-2326470-58834/root/chroot_tmpdir/scmroot/rust-peg-macros
Cloning into '/var/lib/mock/f40-build-2326470-58834/root/chroot_tmpdir/scmroot/rust-peg-macros'...
$ git fetch origin 837262fdcf9dd04bee90af2464b00e102c95dcef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-peg-macros
 * [new ref]         837262fdcf9dd04bee90af2464b00e102c95dcef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 837262f Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild