opensde-nopast/lib/sde-package/update.in

# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
# 
# Filename: lib/sde-package/update.in
# Copyright (C) 2006 - 2007 The OpenSDE Project
# 
# More information can be found in the files COPYING and README.
# 
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

package_patch_update() {
	local descfile="$1" ver="$2" location="$3"
	local oldver= sedopt=
	local tmpfile=$( mktemp )

	oldver=$( sed -n -e 's,^\[V\][ \t]\+\([^ \t]\+\)[ \t]*,\1,p' "$descfile" | head -n 1 )
	echo_info "$pkg ($oldver -> $ver)"

	awk -f $SDEROOT/lib/sde-package/package-update.awk -v "ver=$ver" -v "location=$location" "$descfile" > $tmpfile
	if diff -u $descfile $tmpfile; then
		echo_warning "No change detected."
	else
		cp $tmpfile "$descfile"
	fi
	rm -f $tmpfile
}

package_do_update() {
	local pkg="$1" ver="$2" location="$3"
	local confdir=$( ls -1d "$SDEROOT/package/"*"/$pkg" 2> /dev/null )
	local descfile="${confdir}/${pkg}.desc"
	local oldver=

	if [ -z "$confdir" -o ! -f "$descfile" ]; then
		echo_error "Package '$pkg' doesn't exist."
		return 1
	elif [ -z "$ver" ]; then
		echo_info "Updating checksum for $pkg."
	else
		package_patch_update "$descfile" "$ver" "$location"
	fi

	cd "$SDEROOT"
	./bin/sde-download -q "$pkg" && ./lib/sde-package/patch-cksum.sh "$pkg" | patch -p0
}

package_update_md5() {
	local md5="$1" baseurl=
	local nolocation= location=
	shift

	echo_info "Loading MD5 file from '$md5'"
	if [ "$1" == "--no-location" ]; then
		nolocation=yes; shift
		echo_info "(Using individual download locations)"
	fi

	baseurl="${md5%/*}"
	$SDEROOT/bin/sde-parse-md5 "$md5" | while read pkg ver file; do
		if [ -z "$nolocation" ]; then
			location="$baseurl/$file";
			package_do_update "$pkg" "$ver" "${location%/*}/"
		else
			package_do_update "$pkg" "$ver"
		fi
	done
}

package_update() {
	local pkg= ver=
	local nolocation=
	local location=

	if [ "$1" == "--no-location" ]; then
		nolocation=yes; shift
	elif [ "$1" == "--location" ]; then
		location="$2"; shift 2
	fi

	if [ "$1" == "--md5" ]; then
		package_update_md5 "$2" ${nolocation:+--no-location}
		return $?
	elif [ $# -eq 2 ]; then
		# package and version
		pkg="$( echo "$1" | tr A-Z a-z)"
		ver="$2"
	elif [ $# -eq 1 ]; then
		# package or verion?
		pkg="$( echo "$1" | tr A-Z a-z)"
		if [ ! -d "$( echo "$SDEROOT/package/"*"/$pkg/" )" ]; then
			pkg="$( package_autodetect )"
			ver="$1"
		fi
	elif [ $# -eq 0 ]; then
		# can i refresh an autodetected package?
		pkg=$( package_autodetect )
	else
		echo_error "Invalid Syntax."
		package_usage
		return 1	
	fi

	if [ -n "$pkg" ]; then
		package_do_update "$pkg" "$ver" "${location}"
	else
		echo_error "I could't guess which package you want to update."
		package_usage
		return 2
	fi
}