Kart-Public/debian_template.sh

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#!/bin/bash
# Deployer for Travis-CI
# Debian package templating
#
# Call this script BEFORE running debuild!
# source ./debian_template.sh [clean] [main/asset]
#
# Before running this script,
# you should also set PACKAGE_NAME_EMAIL="John Doe <jdoe@example.com>" to match
# the identity of the key you will use to sign the package.
#
# Get script's actual path
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
# Recursive function for directory crawling
# $1 = Directory root to crawl
# $2 = Code to eval on file
# $3 = Code to eval on directory
# Exposes $dirtails, $dirlevel, and $dirtailname
dirlevel=0 # initialize
dirtails=()
# Utility function to make dira/dirb/dirc string
makedirtailname () {
dirtailname=""
for tail in $dirtails; do
if [[ "$dirtailname" == "" ]]; then
dirtailname="/$tail";
else
dirtailname="$dirtailname/$tail";
fi;
done;
}
evaldirectory () {
if [ -d "$1" ]; then
# Set contextual variables
# dirtails is an array of directory basenames after the crawl root
if (( $dirlevel > 0 )); then
dirtails+=( "$(basename $1)" );
else
dirtails=();
fi;
dirlevel=$((dirlevel+1));
# Generate directory path after the crawl root
makedirtailname;
# Eval our directory with the latest contextual info
# Don't eval on root
if (( $dirlevel > 1 )) && [[ "$3" != "" ]]; then
eval "$3";
fi;
# Iterate entries
for name in $1/*; do
if [ -d "$name" ]; then
# Name is a directory, but don't eval yet
# Recurse so our vars are updated
evaldirectory "$name" "$2" "$3";
# Decrement our directory level and remove a dirtail
unset 'dirtails[ ${#dirtails[@]}-1 ]';
dirlevel=$((dirlevel-1));
makedirtailname;
else
# Name is a file
if [ -f "$name" ] && [[ "$2" != "" ]]; then
eval "$2";
fi;
fi;
done;
# Reset our variables; we're done iterating
if (( $dirlevel == 1 )); then
dirlevel=0;
fi;
fi;
}
#
# Initialize package parameter defaults
#
if [[ "$__DEBIAN_PARAMETERS_INITIALIZED" != "1" ]]; then
. ${DIR}/deployer/travis/deployer_defaults.sh;
fi;
# Clean up after ourselves; we only expect to run this script once
# during buildboting
__DEBIAN_PARAMETERS_INITIALIZED=0
# for envsubst
export __PACKAGE_DATETIME="$(date '+%a, %d %b %Y %H:%M:%S %z')"
export __PACKAGE_DATETIME_DIGIT="$(date -u '+%Y%m%d%H%M%S')"
if [[ "$PACKAGE_REVISION" == "" ]]; then
PACKAGE_REVISION="-$__PACKAGE_DATETIME_DIGIT";
__PACKAGE_REVISION_BY_DATE=1;
export PACKAGE_REVISION=${PACKAGE_REVISION}; # for envsubst
fi;
#
# Clean the old debian/ directories
#
if [[ "$1" == "clean" ]]; then
toclean=$2;
else
toclean=$1;
fi;
if [[ "$toclean" == "" ]] || [[ "$toclean" == "main" ]]; then
echo "Cleaning main package scripts";
if [[ ! -f ${DIR}/debian ]]; then
rm -rf ${DIR}/debian;
fi;
fi;
if [[ "$toclean" == "" ]] || [[ "$toclean" == "asset" ]]; then
echo "Cleaning asset package scripts";
if [[ ! -f ${DIR}/assets/debian ]]; then
rm -rf ${DIR}/assets/debian;
fi;
fi;
#
# Make new templates
#
if [[ "$1" != "clean" ]]; then
totemplate=$1;
# HACK: ${shlibs:Depends} in the templates make the templating fail
# So just define replacemment variables
export SHLIBS_DEPENDS=${SHLIBS_DEPENDS};
export MISC_DEPENDS=${MISC_DEPENDS};
export DEBFILEVAR='$$file'; # used in assets/debian/rules
# Package parameters are exported for envsubst in deployer_defaults.sh
if [[ "$totemplate" == "" ]] || [[ "$totemplate" == "main" ]]; then
echo "Generating main package scripts";
fromroot=${DIR}/debian-template;
toroot=${DIR}/debian;
mkdir ${toroot};
evaldirectory ${fromroot} \
"cat \$name | envsubst > ${toroot}\${dirtailname}/\$( basename \$name )" \
"mkdir \"${toroot}\${dirtailname}\"";
fi;
if [[ "$totemplate" == "" ]] || [[ "$totemplate" == "asset" ]]; then
echo "Generating asset package scripts";
fromroot=${DIR}/assets/debian-template;
toroot=${DIR}/assets/debian;
mkdir ${toroot};
# Root dir to crawl; file eval; directory eval
evaldirectory ${fromroot} \
"cat \$name | envsubst > ${toroot}\${dirtailname}/\$( basename \$name )" \
"mkdir \"${toroot}\${dirtailname}\"";
fi;
fi;
if [[ "$__DPL_ACTIVE" != "1" ]] && [[ "$__PACKAGE_REVISION_BY_DATE" == "1" ]]; then
unset PACKAGE_REVISION; # so we can reset the date on subsequent runs
fi;