$ git clone -n https://src.fedoraproject.org/rpms/rust-signal-hook0.1.git /var/lib/mock/f40-build-2653820-66903/root/chroot_tmpdir/scmroot/rust-signal-hook0.1
Cloning into '/var/lib/mock/f40-build-2653820-66903/root/chroot_tmpdir/scmroot/rust-signal-hook0.1'...
$ git fetch origin 6962b54fd49cdd45f86b1815d6933874f24f442e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-signal-hook0.1
 * [new ref]         6962b54fd49cdd45f86b1815d6933874f24f442e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6962b54 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild