$ git clone -n https://src.fedoraproject.org/rpms/rust-proc-macro-crate0.1.git /var/lib/mock/f40-build-2083331-49909/root/chroot_tmpdir/scmroot/rust-proc-macro-crate0.1
Cloning into '/var/lib/mock/f40-build-2083331-49909/root/chroot_tmpdir/scmroot/rust-proc-macro-crate0.1'...
$ git fetch origin 64d042866c73987c74266d0f144dd10591858dbd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-proc-macro-crate0.1
 * [new ref]         64d042866c73987c74266d0f144dd10591858dbd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 64d0428 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild