#!/bin/bash



make_standalone() {
    source_codename="$1"
    use_port="$2"

    mkdir "data-${source_codename}-restored"
    chmod 700 "data-${source_codename}-restored"

    tar xzf omnipitr/backup/"${source_codename}"-data.tar.gz -C "data-${source_codename}-restored"/
    tar xzf omnipitr/backup/"${source_codename}"-xlog.tar.gz -C "data-${source_codename}-restored"/

    mv "data-${source_codename}-restored/data-${source_codename}"/* "data-${source_codename}-restored"/
    rmdir "data-${source_codename}-restored/data-${source_codename}"/

    export use_port
    perl -pi -e '
    s/\A \s* (?: [#] \s* )? port \s* = \s*.*/port = \047$ENV{use_port}\047/x;
    s{\A \s* (?: [#] \s* )? archive_command \s* = \s*.*}{archive_command = \047/bin/true\047}x;
    ' "data-${source_codename}-restored"/postgresql.conf

    pg_ctl -D "data-${source_codename}-restored"/ -s -w start

    verification="$( psql -F, -qAtX -p $use_port -c '
        select min(count), count(distinct count) from (
        select r, count(*) from (
        select distinct t0.when_tsz as r from t0
        union all
        select distinct t1.when_tsz as r from t1
        union all
        select distinct t2.when_tsz as r from t2
        union all
        select distinct t3.when_tsz as r from t3
        union all
        select distinct t4.when_tsz as r from t4
        union all
        select distinct t5.when_tsz as r from t5
        union all
        select distinct t6.when_tsz as r from t6
        union all
        select distinct t7.when_tsz as r from t7
        union all
        select distinct t8.when_tsz as r from t8
        union all
        select distinct t9.when_tsz as r from t9
            ) x group by r) y;' )"

    if [[ "$verification" != "10,1" ]]
    then
        echo "Something is wrong with standalone from $source_codename backup ($verification)" >&2
        exit 1
    fi
}