yggdrasil-go/contrib/semver/version.sh
2018-12-27 20:03:46 +00:00

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#!/bin/sh
# Get the last tag
TAG=$(git describe --abbrev=0 --tags --match="v[0-9]*\.[0-9]*\.[0-9]*" 2>/dev/null)
test $? != 0 && (echo "unknown"; exit 1)
# Get the current branch
BRANCH=$(git symbolic-ref -q HEAD --short 2>/dev/null)
test $? != 0 && BRANCH="master"
# Split out into major, minor and patch numbers
MAJOR=$(echo $TAG | cut -c 2- | cut -d "." -f 1)
MINOR=$(echo $TAG | cut -c 2- | cut -d "." -f 2)
PATCH=$(echo $TAG | cut -c 2- | cut -d "." -f 3)
# Output in the desired format
if [ $((PATCH)) -eq 0 ]; then
printf '%s%d.%d' "$PREPEND" "$((MAJOR))" "$((MINOR))"
else
printf '%s%d.%d.%d' "$PREPEND" "$((MAJOR))" "$((MINOR))" "$((PATCH))"
fi
# Add the build tag on non-master branches
if [ "$BRANCH" != "master" ]; then
BUILD=$(git rev-list $TAG..HEAD --count)
if [ $? == 0 ] && [ $((BUILD)) -gt 0 ]; then
printf -- "-%04d" "$((BUILD))"
fi
fi