$ git clone -n https://src.fedoraproject.org/rpms/rust-pyproject-toml.git /var/lib/mock/f41-build-side-1-2816292-32954/root/chroot_tmpdir/scmroot/rust-pyproject-toml
Cloning into '/var/lib/mock/f41-build-side-1-2816292-32954/root/chroot_tmpdir/scmroot/rust-pyproject-toml'...
$ git fetch origin 1b0f6e7201a9618b184cd118e5e6586c603c8712:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pyproject-toml
 * [new ref]         1b0f6e7201a9618b184cd118e5e6586c603c8712 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b0f6e7 Update to version 0.11.0; Fixes RHBZ#2282967