$ git clone -n https://src.fedoraproject.org/rpms/rust-pore.git /var/lib/mock/f41-build-810674-146883/root/chroot_tmpdir/scmroot/rust-pore
Cloning into '/var/lib/mock/f41-build-810674-146883/root/chroot_tmpdir/scmroot/rust-pore'...
$ git fetch origin 0d3a4ad1fa4b7fcd5f8fb0532274d221b334cfb9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-pore
 * [new ref]         0d3a4ad1fa4b7fcd5f8fb0532274d221b334cfb9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0d3a4ad Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces