$ git clone -n https://src.fedoraproject.org/rpms/rust-idna0.2.git /var/lib/mock/f40-build-2072929-49334/root/chroot_tmpdir/scmroot/rust-idna0.2
Cloning into '/var/lib/mock/f40-build-2072929-49334/root/chroot_tmpdir/scmroot/rust-idna0.2'...
$ git fetch origin 917aa06b48487e445ed325caf8570683acb66573:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-idna0.2
 * [new ref]         917aa06b48487e445ed325caf8570683acb66573 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 917aa06 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild