$ git clone -n https://src.fedoraproject.org/rpms/rust-proc-macro-crate0.1.git /var/lib/mock/f40-build-2660554-66918/root/chroot_tmpdir/scmroot/rust-proc-macro-crate0.1
Cloning into '/var/lib/mock/f40-build-2660554-66918/root/chroot_tmpdir/scmroot/rust-proc-macro-crate0.1'...
$ git fetch origin 581b9d73a10967f51a777d55a671c5eec327aab9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-proc-macro-crate0.1
 * [new ref]         581b9d73a10967f51a777d55a671c5eec327aab9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 581b9d7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild