| #!/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 $1}') |
| fi |
| |
| # Find most recent known release tag. |
| TAG=$(hg tags | |
| 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 |
| |