#!/bin/bash

# getCoreDiff.sh: Script that fetch the current sources of core, core-arm
# and core-cross collections, and find differences between them

msgError() {
	echo "Error, $@" 2>&1
	rm -rf $TMPDIR
	exit 1
}

TMPDIR=$(mktemp -d)

version="3.0"

gitrepo_core="git://crux.nu/ports/core.git"
gitrepo_core_arm="git://crux-arm.nu/crux-arm/ports/core-arm.git"
gitrepo_crossrootfs="git://crux-arm.nu/crux-arm/crossrootfs.git"

# handle signals
trap "msgError interrupted" SIGINT SIGTERM

echo "+ Fetching git sources..."

echo "++ ${gitrepo_core}..."
cd $TMPDIR && \
	git clone $gitrepo_core && \
	cd core && \
	git branch $version origin/$version && \
	git checkout $version

echo "++ ${gitrepo_core_arm}..."
cd $TMPDIR && \
	git clone $gitrepo_core_arm && \
	cd core-arm && \
	git branch $version origin/$version && \
	git checkout $version

echo "++ ${gitrepo_crossrootfs}..."
cd $TMPDIR && \
	git clone $gitrepo_crossrootfs && \
	cd crossrootfs && \
	git branch $version origin/$version && \
	git checkout $version

echo "+ Generating data..."
# core list
cd $TMPDIR/core && find -type d | grep -v '.git' | sed 's|./||' | sed 1d | sort -u > $TMPDIR/core.lst
# core-arm list
cd $TMPDIR/core-arm && find -type d | grep -v '.git' | sed 's|./||' | sed 1d | sort -u > $TMPDIR/core-arm.lst
# core-cross list
cd $TMPDIR/crossrootfs && find -type d | grep -v '.git' | sed 's|./||' | sed 1d | sort -u > $TMPDIR/crossrootfs.lst

echo
echo "+ core => core-arm: extra ports in core-arm"
echo "-------------------------------------------------"
comm -13 $TMPDIR/core.lst $TMPDIR/core-arm.lst
echo
echo "+ core => crossrootfs: extra ports in crossrootfs"
echo "-------------------------------------------------"
comm -13 $TMPDIR/core.lst $TMPDIR/crossrootfs.lst
echo
echo "+ core => crossrootfs: missing ports in crossrootfs"
echo "-------------------------------------------------"
comm -23 $TMPDIR/core.lst $TMPDIR/crossrootfs.lst
echo
echo "+ core => core-arm: overlayed ports in core-arm"
echo "-------------------------------------------------"
comm -12 $TMPDIR/core.lst $TMPDIR/core-arm.lst

rm -fr $TMPDIR

# End of file