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#!/bin/sh
# Copyright (C) 2019 Richard Mortier <mort@cantab.net>
# Licensed under the MIT License, https://opensource.org/licenses/MIT
set -e
die () {
printf "%s\n" "$*" >&2
exit 1
}
## debug
if [ "$DABUILD_DEBUG" = "true" ]; then
set -x
PS4='$LINENO: '
fi
## check running from within an `aports` tree
if [ "${PWD%*/aports*}" = "$PWD" ]; then
die "Error: expecting to be run from within an aports tree!" \
"Could not find '/aports' in the current path ($PWD)"
exit 1
fi
## allow setting of arch by env variable
[ ! "$DABUILD_ARCH" ] && DABUILD_ARCH=$(uname -m)
case "$DABUILD_ARCH" in
x86|x86_64|aarch64|armhf|armv7) ;;
*) die "Unsupported arch \"$DABUILD_ARCH\" detected." ;;
esac
## use branch to figure out most appropriate alpine version
if [ "$DABUILD_VERSION" ]; then
ABUILD_VERSION=$DABUILD_VERSION
else
APORTS_BRANCH=$(git status | head -1)
APORTS_BRANCH="${APORTS_BRANCH##*[ /]}"
case $APORTS_BRANCH in
[[:digit:]].[[:digit:]]-stable )
ABUILD_VERSION=${APORTS_BRANCH%-stable}
;;
* )
ABUILD_VERSION=edge
;;
esac
fi
## check $DABUILD_PACKAGES is a writable directory
ABUILD_PACKAGES=${DABUILD_PACKAGES:-${PWD%/aports*}/packages/${ABUILD_VERSION}}
mkdir -p $ABUILD_PACKAGES
if [ ! \( -d "$ABUILD_PACKAGES" -a -w "$ABUILD_PACKAGES" \) ]; then
die "Error: invalid or unwritable packages directory specified!" \
"ABUILD_PACKAGES = '$ABUILD_PACKAGES'" \
"DABUILD_PACKAGES = '$DABUILD_PACKAGES'"
fi
## setup volumes; use named volumes as cache if desired
ABUILD_VOLUMES="-v ${HOME}/.abuild:/home/builder/.abuild \
-v ${PWD%/aports*}/aports:/home/builder/aports \
-v ${ABUILD_PACKAGES}:/home/builder/packages"
if [ -f "/etc/abuild.conf" ]; then
ABUILD_VOLUMES="$ABUILD_VOLUMES -v /etc/abuild.conf:/etc/abuild.conf:ro"
fi
if [ -w "/var/cache/distfiles" ]; then
ABUILD_VOLUMES="$ABUILD_VOLUMES -v /var/cache/distfiles:/var/cache/distfiles"
fi
if [ "$DABUILD_CACHE" = "true" ]; then
for v in %%ABUILD_VOLUMES%% ; do
vol=abuild-$ABUILD_VERSION-$DABUILD_ARCH-${v//\//_}
if [ "$DABUILD_CLEAN" = "true" ]; then
## clean the cache if requested
docker rm -f $(docker ps -qaf "volume=$vol") >/dev/null 2>&1 || true
docker volume rm $vol >/dev/null
fi
if docker volume ls -f 'name=$v' | grep $v >/dev/null ; then
docker volume create $vol >/dev/null
fi
ABUILD_VOLUMES="$ABUILD_VOLUMES -v $vol:/$v"
done
fi
## go!
ABUILD_WORKDIR=/home/builder/aports${PWD#*/aports}
DOCKER="docker run -ti $ABUILD_VOLUMES -e DABUILD_DEBUG $DABUILD_ARGS"
$DOCKER --workdir $ABUILD_WORKDIR \
%%ABUILD_IMAGE%%:$ABUILD_VERSION-$DABUILD_ARCH "$@"
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