$ git clone -n https://src.fedoraproject.org/rpms/rust-gir-format-check.git /var/lib/mock/f39-build-1521688-35855/root/chroot_tmpdir/scmroot/rust-gir-format-check
Cloning into '/var/lib/mock/f39-build-1521688-35855/root/chroot_tmpdir/scmroot/rust-gir-format-check'...
$ git fetch origin cfbe74af6d1f741df50d63489814766a32a206e4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gir-format-check
 * [new ref]         cfbe74af6d1f741df50d63489814766a32a206e4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cfbe74a Regenerate with rust2rpm v24