blob: ce5a9969a2e2a71932878ef6cebfa1367603efa2 [file] [log] [blame]
#!/usr/bin/env bash
# Copyright 2010 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# Check that we can use 'hg'
if ! hg version > /dev/null 2>&1; then
echo 'hg not installed' 1>&2
exit 2
fi
# Get numerical revision
VERSION=$(hg identify -n 2>/dev/null)
if [ $? != 0 ]; then
OLD=$(hg identify | sed 1q)
VERSION=$(echo $OLD | awk '{print $1}')
fi
# Get branch type
BRANCH=release
if [ "$(hg identify -b 2>/dev/null)" == "default" ]; then
BRANCH=weekly
fi
# Find most recent known release or weekly tag.
TAG=$(hg tags |
grep $BRANCH |
sed 's/:.*//' |
sort -rn -k2 |
awk -v ver=$VERSION '$2 <= ver && $1~/^(release|weekly)\./ {print $1}' |
sed -n 1p)
if [ "$TAG" != "" ]; then
VERSION="$TAG $VERSION"
fi
echo $VERSION