$ git clone -n https://src.fedoraproject.org/rpms/rust-partial-io.git /var/lib/mock/f40-build-2656550-66915/root/chroot_tmpdir/scmroot/rust-partial-io
Cloning into '/var/lib/mock/f40-build-2656550-66915/root/chroot_tmpdir/scmroot/rust-partial-io'...
$ git fetch origin 2e10a2229fccc07d4381d6967232d59abdd23b3d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-partial-io
 * [new ref]         2e10a2229fccc07d4381d6967232d59abdd23b3d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e10a22 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild