$ git clone -n https://src.fedoraproject.org/rpms/rust-percent-encoding1.git /var/lib/mock/f40-build-2657471-66916/root/chroot_tmpdir/scmroot/rust-percent-encoding1
Cloning into '/var/lib/mock/f40-build-2657471-66916/root/chroot_tmpdir/scmroot/rust-percent-encoding1'...
$ git fetch origin 4ab39d4e454cfe8a11a6ee1ef57f31d9c2116d0c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-percent-encoding1
 * [new ref]         4ab39d4e454cfe8a11a6ee1ef57f31d9c2116d0c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ab39d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild