$ git clone -n https://src.fedoraproject.org/rpms/rust-stats_alloc.git /var/lib/mock/f42-build-3234148-41196/root/chroot_tmpdir/scmroot/rust-stats_alloc
Cloning into '/var/lib/mock/f42-build-3234148-41196/root/chroot_tmpdir/scmroot/rust-stats_alloc'...
$ git fetch origin a746e1d1688f1fbd0c2cfb4881e4ec6f6631d052:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-stats_alloc
 * [new ref]         a746e1d1688f1fbd0c2cfb4881e4ec6f6631d052 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a746e1d Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild