File: alias_sync

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mercury 0.9-1
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#!/bin/sh
# This script merges changes to the trunk into the alias branch of the
# compiler.  It should be executed from within the mercury/compiler/
# directory in a checked-out version of the alias branch.

sync_tag_file=.alias_trunk_sync_tag

if [ ! -f $sync_tag_file ]
then
    echo $sync_tag_file: file not found
    exit 1
fi

old_tag=`cat $sync_tag_file`
new_tag=trunk_snapshot_`date +%Y%m%d%H%M%S`
source_dir=mercury/compiler

echo old tag: $old_tag
echo new tag: $new_tag

cvs rtag $new_tag $source_dir
cvs update -j$old_tag -j$new_tag

rm -f $sync_tag_file
echo $new_tag >$sync_tag_file