$ git clone -n https://src.fedoraproject.org/rpms/libarchive.git /var/lib/mock/f40-build-780962-131446/root/chroot_tmpdir/scmroot/libarchive
Cloning into '/var/lib/mock/f40-build-780962-131446/root/chroot_tmpdir/scmroot/libarchive'...
$ git fetch origin 1aa6fc781de234d44bef692ad1931f01ef8e8758:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libarchive
 * [new ref]         1aa6fc781de234d44bef692ad1931f01ef8e8758 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1aa6fc7 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild