$ git clone -n https://src.fedoraproject.org/rpms/libepoxy.git /var/lib/mock/f42-build-3347067-45002/root/chroot_tmpdir/scmroot/libepoxy
Cloning into '/var/lib/mock/f42-build-3347067-45002/root/chroot_tmpdir/scmroot/libepoxy'...
$ git fetch origin 7f907dd89535b0563883f4a27baf426168a0bf2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libepoxy
 * [new ref]         7f907dd89535b0563883f4a27baf426168a0bf2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7f907dd Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild