update-branch-os.sh

#!/bin/sh
# Helper script to checkout OS ports to a specific
# Branch or tag for building
#

# List of ports to update
# Usage: <portname>::<project>::<repo>::<defaultbranch>
PLIST="${PLIST} sysutils/pc-sysinstall::trueos::pc-sysinstall::master"
PLIST="${PLIST} sysutils/pc-installdialog::trueos::pc-installdialog::master"

usage()
{
	echo "Updates OS Ports to a requested GitHub branch or tag"
	echo ""
	echo "Usage: $0 port branch"
	echo ""
	echo "Example: $0 all"
	echo "This will update *all* the ports to their latest versions"
	echo ""
	echo "Example: $0 sysutils/pc-installdialog 18.12"
	echo "This will update the sysutils/pc-installdialog to the version in GitHub tagged 18.12"
	exit 1
}

update_port()
{
	local port="$(echo $1 | awk -F"::" '{print $1}')"
	local project="$(echo $1 | awk -F"::" '{print $2}')"
	local repo="$(echo $1 | awk -F"::" '{print $3}')"
	local dbranch="$(echo $1 | awk -F"::" '{print $4}')"

	# If no branch specified, use default
	if [ -n "$BRANCH" ] ; then
		dbranch="$BRANCH"
	fi

	GH_HASH=$(fetch -o - https://api.github.com/repos/$project/$repo/git/refs/heads/$dbranch 2>/dev/null | jq -r '."object"."sha"')
	if [ -z "${GH_HASH}" ] ; then
		#Not a branch or commit hash. Check to see if it is a version "tag" instead
		GH_HASH=$(fetch -o - https://api.github.com/repos/$project/$repo/git/refs/tags/$dbranch 2>/dev/null | jq -r '."object"."sha"')
	fi
	GH_DATE=$(fetch -o - https://api.github.com/repos/$project/$repo/commits/$GH_HASH 2>/dev/null | jq -r '."commit"."author"."date"')

	#echo "$GH_HASH"
	#echo "$GH_DATE"

	YEAR="$(echo $GH_DATE | cut -d '-' -f 1)"
	MON="$(echo $GH_DATE | cut -d '-' -f 2)"
	DAY="$(echo $GH_DATE | cut -d '-' -f 3 | cut -d 'T' -f 1)"
	HOUR="$(echo $GH_DATE | cut -d 'T' -f 2 | cut -d ':' -f 1)"
	MIN="$(echo $GH_DATE | cut -d 'T' -f 2 | cut -d ':' -f 2)"
	SEC="$(echo $GH_DATE | cut -d 'T' -f 2 | cut -d ':' -f 3 | cut -d 'Z' -f 1)"
	TSTAMP="$YEAR$MON$DAY$HOUR$MIN$SEC"

	#echo "$TSTAMP"

	sed -i '' "s/.*PORTVERSION=.*/PORTVERSION=	$TSTAMP/" ${port}/Makefile
	sed -i '' "s/.*GH_TAGNAME=.*/GH_TAGNAME=	$GH_HASH/" ${port}/Makefile
	make -C ${port} OSVERSION=1200000 makesum

}

if [ -z "$1" ] ; then
	usage
fi

BRANCH="$2"

# Set the ports dir location
export PORTSDIR="$(pwd)"

if [ "$1" = "all" ] ; then
	for p in $PLIST
	do
		update_port $p
	done
else
	port=$(echo $PLIST | tr ' ' '\n' | grep "^${1}::")
	if [ -z "$port" ] ; then
		echo "ERROR: Invalid port $1 specified"
		exit 1
	fi
	update_port ${port}
fi