#!/bin/sh

# tla-lineage-replay
# Scott Bronson
# 8 Jan 2004

# Applies the changesets supplied on the command line in order.

# $ tla-lineage-replay base patch-0 patch-1 patch-2
# $ tla-lineage-replay 000 001 002 003	# if tla-lineage generated the changesets

# see the tla-lineage comments for a usage example.
# Remember that you cannot change history!


base=$1
shift
for set in $*; do
	# if base == set then it means we want to restore base0's original
	# log message so there's no changeset to apply.
	if [ "$base" != "$set" ]; then
		tla apply-changeset $set $base
	fi

	cd $base

	# Most of this script is devoted to munging the log message
	mv {arch}/tla-bash-complete/tla-bash-complete--sb/tla-bash-complete--sb--1.0/address@hidden/patch-log/patch-* tmp-msg

	log=`tla make-log`
	grep Summary: tmp-msg > $log
	grep Keywords: tmp-msg >> $log
	echo >> $log

	# Find the checkin comment
	state=0
	cat tmp-msg | while read var; do
		if [ $state = 1 ]; then echo $var >> $log; fi
		if [ "x$var" = "x" ]; then state=1; fi
	done

	echo >> $log
	echo "----------------   tla-lineage-replay   ----------------" >> $log

	# Find the orignal log headers
	cat tmp-msg | while read var; do
		if [ "x$var" = "x" ]; then state=1; fi
		if [ $state = 0 ]; then echo Original-$var >> $log; fi
	done

	rm tmp-msg
	tla commit
	cd ..
done