$ git clone -n https://src.fedoraproject.org/rpms/pamixer.git /var/lib/mock/f42-build-3279802-41338/root/chroot_tmpdir/scmroot/pamixer
Cloning into '/var/lib/mock/f42-build-3279802-41338/root/chroot_tmpdir/scmroot/pamixer'...
$ git fetch origin 58c366f193db6dbd5271c8eb4a6aee1bafd625d9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pamixer
 * [new ref]         58c366f193db6dbd5271c8eb4a6aee1bafd625d9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58c366f Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild