X-Git-Url: https://git.stderr.nl/gitweb?p=matthijs%2Fupstream%2Fbackupninja.git;a=blobdiff_plain;f=lib%2Ftools.in;h=9879e741039a5994bd544fd8e60896c9612d6cd5;hp=2ec4da05c213df7b832006cdc6cebcc0d69cd27f;hb=ac1a55a22999e2161c42f8c30fb497461017d93e;hpb=66d619bf64dec4c7472b5d4c09a964f5027fadb4 diff --git a/lib/tools.in b/lib/tools.in index 2ec4da0..9879e74 100644 --- a/lib/tools.in +++ b/lib/tools.in @@ -1,5 +1,6 @@ #!@BASH@ # -*- mode: sh; sh-basic-offset: 3; indent-tabs-mode: nil; -*- +# vim: set filetype=sh sw=3 sts=3 expandtab autoindent: # This file contains functions shared between ninjahelper and backupninja. @@ -10,46 +11,48 @@ # create a temporary file in a secure way. # function maketemp() { - if [ -x /bin/mktemp ] - then - local tempfile=`mktemp /tmp/$1.XXXXXXXX` - else - DATE=`date` - sectmp=`echo $DATE | /usr/bin/md5sum | cut -d- -f1` - local tempfile=/tmp/$1.$sectmp - fi - echo $tempfile + local tempfile=`mktemp /tmp/$1.XXXXXXXX` + echo $tempfile } ##################################################### ## CONFIG-FILE RELATED FUNCTIONS function setfile() { - CURRENT_CONF_FILE=$1 + CURRENT_CONF_FILE=$1 } function setsection() { - CURRENT_SECTION=$1 + CURRENT_SECTION=$1 } # -# sets a global var with name equal to $1 -# to the value of the configuration parameter $1 -# $2 is the default. -# +# Retrieves the configuration variable named $1 from the current config +# file and section and echoes its value. If it is empty or not found, $2 +# is used. +function printconf() { + local CURRENT_PARAM=$1 + local ret=`@AWK@ -f $libdirectory/parseini S=$CURRENT_SECTION P=$CURRENT_PARAM $CURRENT_CONF_FILE` + # if nothing is returned, set the default + if [ "$ret" == "" -a "$2" != "" ]; then + ret="$2" + fi + + echo "$ret" +} + + +# +# Retrieves the configuration variable named $1 from the current config +# file and section and assigns its value to the global variable with the +# same name. If it is empty or not found, $2 is used. +# function getconf() { - CURRENT_PARAM=$1 - ret=`awk -f $libdirectory/parseini S=$CURRENT_SECTION P=$CURRENT_PARAM $CURRENT_CONF_FILE` - # if nothing is returned, set the default - if [ "$ret" == "" -a "$2" != "" ]; then - ret="$2" - fi - - # replace * with %, so that it is not globbed. - ret="${ret//\\*/__star__}" - - # this is weird, but single quotes are needed to - # allow for returned values with spaces. $ret is still expanded - # because it is in an 'eval' statement. - eval $1='$ret' + local ret=`printconf "$1" "$2"` + + # We use escape the $ in $ret to delay expansion of $ret, so when $1 + # is foo, eval sees foo=$ret and properly does the assignment + # (without the backslash, the right part of the assignment would be + # whatever is in ret and be subject to all kinds of expansion. + eval $1=\$ret }