#!/bin/bash
#  $HeadURL$ $LastChangedRevision$

#  Properties
MY_ID=system_repo
PARENT_ID=system
MY_PRIVATE_ATTRIBUTES="uname status"
MY_PUBLIC_ATTRIBUTES=
MY_ATTRIBUTES="$MY_PRIVATE_ATTRIBUTES $MY_PUBLIC_ATTRIBUTES"
MY_HELPER_IDS=

#  Attributes
for MY_ATTRIBUTE in ${MY_ATTRIBUTES^^}; do eval "$MY_ATTRIBUTE="; done

#  Defaults for the questions we ask (should only used here)

#  Hooks
list_prologue()
{
    #  my properties
    inherit MY_ID
    #  real locals
    local UNAME UNAMES
    #  globals
    inherit SQLITE_CMD DB_FILE

    echo "repo indirects"
    echo "=============="
    echo
    UNAMES=$($SQLITE_CMD $DB_FILE "select group_concat(uname,' ') from attribute_values where helper == '$MY_ID' and attribute == 'status' and value == 'installing';")
    for UNAME in $UNAMES; do
        debug 10 "list_prologue: listing indirects for $UNAME ..."
        paa listhosts $UNAME
        paa listindirects $UNAME
        paa listshares $UNAME
    done
    echo

    return 0
}

create_prologue()
{
    #  my attributes
    inherit ${MY_ATTRIBUTES^^}
    #  my inherited attributes that i'll use
    inherit ARCH RELEASE
    #  globals
    inherit VAR_DIR 
    #  real locals
    local CMDLINE

    info "creating repo indirects and shares ..."
    #  For things that exist already, it's necessary to delete stuff first.
    paa --force unshare ALL-REPOS $UNAME             > /dev/null 2>&1 || true
    paa --force unindirect ALL-REPOS $UNAME          > /dev/null 2>&1 || true
    paa unhost $UNAME                                > /dev/null 2>&1 || true
    paa host $UNAME deb debian $RELEASE $ARCH        || { error "paa host: failed"; return 1; }
    paa indirect ALL-REPOS $UNAME NEWEST-FREEZE      || { error "paa indirect: failed"; return 1; }
    paa share ALL-REPOS $UNAME                       || { error "paa share: failed"; return 1; }

    return 0
}

delete_prologue()
{
    #  my properties
    inherit MY_ID 
    #  my attributes
    inherit ${MY_ATTRIBUTES^^}
    #  my inherited attributes that i'll use
    inherit ARCH RELEASE
    #  globals
    inherit VAR_DIR 
    #  real locals
    local CMDLINE

    #  Don't delete repo configs if installation completed successfully.
    [ "X$RELEASER_FLAG" != Xtrue ] || return 0

    info "deleting repo shares and indirects ..."
    #  Since paa will cause an error if it tries to delete something which does not exist, and
    #  it is illegal for delete functions to fail, we must make a check first.
    COUNT=$($SQLITE_CMD $DB_FILE "select count(*) from attribute_values where helper == '$MY_ID' and attribute == 'status' and value == 'installing';")
    if [ $COUNT != 0 ]; then
        paa --force unshare ALL-REPOS $UNAME             || { error "paa unshare: failed"; return 1; }
        paa --force unindirect ALL-REPOS $UNAME          || { error "paa unindirect: failed"; return 1; }
        paa unhost $UNAME                                || { error "paa unhost: failed"; return 1; }
    fi

    return 0
}