2018-03-05 19:34:23 +00:00
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#!/bin/sh
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# Get the last tag
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2018-03-05 19:54:18 +00:00
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TAG=$(git describe --abbrev=0 --tags --match=v* 2>/dev/null)
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2018-03-05 19:34:23 +00:00
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# Get the number of commits from the last tag, or if not, from
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# the first commit
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COUNT=$( \
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git rev-list v$TAG..HEAD --count 2>/dev/null || \
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git rev-list HEAD --count 2>/dev/null \
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)
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# Check if it matches the vX.Y.Z format
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grep "v[0-9]*\.[0-9]*\.[0-9]*" <<< $TAG &>/dev/null
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# If it doesn't, abort
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if [ $? -ne 0 ]; then
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printf 'v0.0.0-%d' "$COUNT"
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exit -1
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fi
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# Trim the "v" off the front
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TAG=$(echo $TAG | cut -c 2-)
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# Split out into major, minor and patch numbers
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MAJOR=$(echo $TAG | cut -d "." -f 1)
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MINOR=$(echo $TAG | cut -d "." -f 2)
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PATCH=$(echo $TAG | cut -d "." -f 3)
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# Output in the desired format
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printf 'v%d.%d.%d-%d' "$MAJOR" "$MINOR" "$PATCH" "$COUNT"
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