#!/bin/bash - this is a sourced file but this header helps vim 
#  $HeadURL$ $LastChangedRevision$

init_rpm()
{
    local ERRSTACK_REF="$1"; shift
    ade_inherit ROOTDIR || return $?
    local DIR
    
    #  Sanity checks and derivations
    DIR=${ROOTDIR%/}/etc/yum.repos.d

    #  Guts
    if [ -d $DIR ] && [ "X$(ls $DIR)" != X ]; then 
        save_old_dir_contents "$ERRSTACK_REF" mv $DIR || return $?
    elif [ -d $DIR ]; then
        :
    elif [ -e $DIR ]; then
        ade_error "$ERRSTACK_REF" PAA_ERR_MISC "$DIR: exists but is not an empty directory"
        return $ADE_FAIL
    fi

    return $ADE_OK
}

access_rpm()
{
    local ERRSTACK_REF="$1"; shift
    ade_inherit ROOTDIR THIS_HOST || return $?
    local SPECIFIED_REPO SPECIFIED_RELEASE SPECIFIED_PORT SPECIFIED_SECTIONS SPECIFIED_URL
    local LAYOUT EXPANDED_LAYOUT EXPANDED_URL

    #  Argument processing
    [ $# = 5 ] || ade_internal "$ERRSTACK_REF" "access_rpm: usage error (arg count $#)"
    SPECIFIED_REPO=$1
    SPECIFIED_RELEASE=$2
    SPECIFIED_PORT=$3
    SPECIFIED_SECTIONS="$4"     #  ignored
    SPECIFIED_URL=$5

    #  No args for the time being; everything inherited.
    ade_debug "$ERRSTACK_REF" 10 "access_rpm: SPECIFIED_REPO=$SPECIFIED_REPO, SPECIFIED_RELEASE=$SPECIFIED_RELEASE, SPECIFIED_PORT=$SPECIFIED_PORT, SPECIFIED_SECTIONS=$SPECIFIED_SECTIONS, SPECIFIED_URL=$SPECIFIED_URL"
  
    #  Sanity checks and derivations
    detokenise "$ERRSTACK_REF" $SPECIFIED_URL EXPANDED_URL HOST=$THIS_HOST REPO=$SPECIFIED_REPO || return $?

    ade_write_sql "$ERRSTACK_REF" "select layout from releases where repo == '$REPO' and release == '$RELEASE';" LAYOUT || return $?
    detokenise "$ERRSTACK_REF" $LAYOUT EXPANDED_LAYOUT RELEASE=$SPECIFIED_RELEASE PORT=$SPECIFIED_PORT || return $?

    #  Guts
    mkdir -p ${ROOTDIR%/}/etc/yum.repos.d
    if [ -f ${ROOTDIR%/}/etc/yum.repos.d/$SPECIFIED_REPO.repo ]; then
        write_test_file "$ERRSTACK_REF" ${ROOTDIR%/}/etc/yum.repos.d/$SPECIFIED_REPO.repo || return $?
    else
        write_test_dir "$ERRSTACK_REF" ${ROOTDIR%/}/etc/yum.repos.d
    fi
    {
        echo "[$SPECIFIED_REPO]"
        echo "name=$SPECIFIED_REPO"
        if [ "X$EXPANDED_LAYOUT" != "." ]; then
            echo "baseurl=${EXPANDED_URL%/}/${EXPANDED_LAYOUT#/}/"
        else
            echo "baseurl=${EXPANDED_URL%/}/"
        fi
        echo "enabled=1"
        echo "gpgcheck=0"
    } > ${ROOTDIR%/}/etc/yum.repos.d/$SPECIFIED_REPO.repo

    return $ADE_OK
}

unaccess_rpm()
{
    local ERRSTACK_REF="$1"; shift
    ade_inherit ROOTDIR || return $?

    #  Argument processing
    #  No args for the time being; everything inherited.
    [ $# = 0 ] || ade_internal "$ERRSTACK_REF" "unaccess_rpm: usage error (arg count $#)"
    ade_inherit REPO
    ade_debug "$ERRSTACK_REF" 10 "access_rpm: REPO=$REPO"
   
    #  Sanity checks and derivations

    #  Guts
    rm -f ${ROOTDIR%/}/etc/yum.repos.d/$SPECIFIED_REPO.repo

    return $ADE_OK
}

analyse_rpm()
{
    local ERRSTACK_REF="$1"; shift
    local SPECIFIED_FILE
    local NAME_REF ARCH_REF VERSION_REF

    #  Process arguments
    [ $# = 4 ] || ade_internal "$ERRSTACK_REF" "analyse_rpm: usage error (arg count $#)"
    SPECIFIED_FILE=$1
    NAME_REF=$2
    ARCH_REF=$3
    VERSION_REF=$4
    ade_inherit --allow-empty $NAME_REF $ARCH_REF $VERSION_REF

    #  Sanity checks and derivations
    ade_validate_command "$ERRSTACK_REF" rpm || return $?

    #  Guts
    eval "$NAME_REF=\"\$(rpm -qp --qf='%{name}\n' $SPECIFIED_FILE 2>/dev/null)\""
    eval "$ARCH_REF=\"\$(rpm -qp --qf='%{arch}\n' $SPECIFIED_FILE 2>/dev/null)\""
    eval "$VERSION_REF=\"\$(rpm -qp --qf='%{version}-%{release}\n' $SPECIFIED_FILE 2>/dev/null)\""
    for VAR in $NAME_REF $ARCH_REF $VERSION_REF; do
        eval "[ \"X\$$VAR\" != X ]" || { ade_error "$ERRSTACK_REF" PAA_ERR_MISC "$SPECIFIED_FILE: failed to collect some RPM info (is file an accessible RPM?)"; return $ADE_FAIL; }
    done

    return $ADE_OK
}

control_section_rpm()
{
    local ERRSTACK_REF="$1"; shift
    local SPECIFIED_REPO SPECIFIED_RELEASE SPECIFIED_PORT SPECIFIED_SECTION

    #  Process arguments
    [ $# = 4 ] || ade_internal "$ERRSTACK_REF" "control_section_rpm: usage error (arg count $#)"
    SPECIFIED_REPO=$1
    SPECIFIED_RELEASE=$2
    SPECIFIED_PORT=$3
    SPECIFIED_SECTION=$4

    return $ADE_OK
}

control_port_rpm()
{
    local ERRSTACK_REF="$1"; shift
    local SPECIFIED_REPO SPECIFIED_RELEASE SPECIFIED_PORT
    local EXPANDED_LAYOUT LAYOUT

    #  Process arguments
    [ $# = 3 ] || ade_internal "$ERRSTACK_REF" "control_port_rpm: usage error (arg count $#)"
    SPECIFIED_REPO=$1
    SPECIFIED_RELEASE=$2
    SPECIFIED_PORT=$3

    #  Sanity checks and derivations
    ade_write_sql "$ERRSTACK_REF" "select path from extendeds where repo == '$SPECIFIED_REPO';" REPOPATH || return $?
    ade_write_sql "$ERRSTACK_REF" "select layout from releases where repo == '$SPECIFIED_REPO' and release == '$SPECIFIED_RELEASE';" LAYOUT || return $?
    detokenise "$ERRSTACK_REF" $LAYOUT EXPANDED_LAYOUT RELEASE=$SPECIFIED_RELEASE PORT=$SPECIFIED_PORT || return $?

    #  Try using createrepo
    ade_validate_command "$ERRSTACK_REF" createrepo
    RC=$?
    if [ $RC = $ADE_OK ]; then
        createrepo --quiet --simple-md-filenames --outputdir=$REPOPATH/$EXPANDED_LAYOUT $REPOPATH/$EXPANDED_LAYOUT 2>/dev/null
        return $ADE_OK
    fi
    ade_set_messaging_parameters "$ERRSTACK_REF" "stack=$ERRSTACK_REF"

    #  Try using createrepo_c
    ade_validate_command "$ERRSTACK_REF" createrepo_c
    RC=$?
    if [ $RC = $ADE_OK ]; then
        createrepo_c --quiet --simple-md-filenames --outputdir=$REPOPATH/$EXPANDED_LAYOUT $REPOPATH/$EXPANDED_LAYOUT 2>/dev/null
        return $ADE_OK
    fi
    ade_set_messaging_parameters "$ERRSTACK_REF" "stack=$ERRSTACK_REF"
    
    #  If both failed then fatal.
    ade_err_error "$ERRSTACK_REF" PAA_ERR_MISC "could not find createrepo or createrepo_c"
    return $ADE_FAIL
}

control_release_rpm()
{
    local ERRSTACK_REF="$1"; shift
    local SPECIFIED_REPO SPECIFIED_RELEASE

    #  Process arguments
    [ $# = 2 ] || ade_internal "$ERRSTACK_REF" "control_release_rpm: usage error (arg count $#)"
    SPECIFIED_REPO=$1
    SPECIFIED_RELEASE=$2

    return $ADE_OK

}

control_repo_rpm()
{
    local ERRSTACK_REF="$1"; shift
    local SPECIFIED_REPO 

    #  Process arguments
    [ $# = 1 ] || ade_internal "$ERRSTACK_REF" "control_repo_rpm: usage error (arg count $#)"
    SPECIFIED_REPO=$1

    return $ADE_OK
}

reload_apache_rpm()
{
    local ERRSTACK_REF="$1"; shift
    ade_inherit ROOTDIR || return $?

    #  Process arguments
    [ $# = 0 ] || ade_internal "$ERRSTACK_REF" "reload_apache_rpm: bad arg count ($#)"

    #  Sanity checks and derivations

    #  Guts
    if [ ! -x ${ROOTDIR%/}/sbin/service ]; then
        ade_error "$ERRSTACK_REF" PAA_ERR_MISC "${ROOTDIR%/}/sbin/service: not found"
        return $ADE_FAIL
    #  SL6.3 says this
    elif ! OUTPUT=$(${ROOTDIR%/}/sbin/service httpd reload 2>&1); then
        ade_error "$ERRSTACK_REF" PAA_ERR_MISC "apache reload failed (output was: $OUTPUT)"
        return $ADE_FAIL
    elif [ "X$OUTPUT" != "XReloading httpd: " ]; then
        ade_warning "$ERRSTACK_REF" PAA_ERR_MISC "apache reload succeeded but did not produce expected output (output was: $OUTPUT)"
    fi

    return $ADE_OK
}