$ git clone -n https://src.fedoraproject.org/rpms/rust-adblock.git /var/lib/mock/f42-build-3252965-41225/root/chroot_tmpdir/scmroot/rust-adblock
Cloning into '/var/lib/mock/f42-build-3252965-41225/root/chroot_tmpdir/scmroot/rust-adblock'...
$ git fetch origin e64c3c21c2cbbc8fa79e203b52419069afa104e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-adblock
 * [new ref]         e64c3c21c2cbbc8fa79e203b52419069afa104e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e64c3c2 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild