common-settings



#!/bin/sh

# Load settings

set -e

. ./defaults.cfg || exit 1

readref() {
    ref="$1"

    cat "$ref" |head -1
}

findsettingsdir() {
    ref="$1"; shift

    for dir in $@; do
        result="`find "$dir" -mindepth 1 -maxdepth 1 -type f -name "$ref" -printf '%h\n'`"
        [ -z "$result" ] && continue
        echo $result
        exit 0
    done
    exit 1
}

findsettings() {
    context="$1"
    settingsfile="$context.cfg"
    reffile="$context"
    shareddir="$2"
    ref="$3"

    # Local settings
    if [ -f "$settingsfile" ]; then
        echo "$settingsfile"
    # Local reference
    elif [ -f "$reffile" ]; then
        if settingsfile="`readref "$reffile"`" && settingsdir="`findsettingsdir "$settingsfile" "$shareddir"`" && [ -f "$settingsdir/$settingsfile" ]; then
            echo "$settingsdir/$settingsfile"
        else
            echo >&2 "E: Failed setting $context: Unable to resolve the settings file from the file \"$reffile\"."
            exit 1
        fi
    # Reference chained from earlier settings
    elif [ -n "$ref" ]; then
        settingsfile="$ref"
        if settingsdir="`findsettingsdir "$settingsfile" "$shareddir"`" && [ -f "$settingsdir/$settingsfile" ]; then
            echo "$settingsdir/$settingsfile"
        else
            echo >&2 "E: Failed setting $context: Unable to locate settings file \"$ref\"."
            exit 1
        fi
    else
        echo >&2 "E: No $context config found - refer to a shared settings file in the file \"$reffile\" or write a custom settings file \"$settingsfile\"."
        exit 1
    fi
}

. `findsettings host hosts $host`
. `findsettings target targets $target`

. ./defaults-aftermath.cfg || exit 1