$ git clone -n https://src.fedoraproject.org/rpms/rust-sha1-asm.git /var/lib/mock/f40-build-2656355-66915/root/chroot_tmpdir/scmroot/rust-sha1-asm
Cloning into '/var/lib/mock/f40-build-2656355-66915/root/chroot_tmpdir/scmroot/rust-sha1-asm'...
$ git fetch origin 2aae04401124aa278b40b8134e998f35d1d337d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sha1-asm
 * [new ref]         2aae04401124aa278b40b8134e998f35d1d337d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2aae044 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild