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