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yggdrasil-go/contrib/semver/version.sh
2018-12-08 11:31:20 +00:00

63 lines
1.7 KiB
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#!/bin/sh
# Merge commits from this branch are counted
DEVELOPBRANCH="yggdrasil-network/develop"
# Get the last tag
TAG=$(git describe --abbrev=0 --tags --match="v[0-9]*\.[0-9]*\.0" 2>/dev/null)
# Get last merge to master
MERGE=$(git rev-list $TAG..master --grep "from $DEVELOPBRANCH" 2>/dev/null | head -n 1)
# Get the number of merges since the last merge to master
PATCH=$(git rev-list $TAG..master --count --merges --grep="from $DEVELOPBRANCH" 2>/dev/null)
# Decide whether we should prepend the version with "v" - the default is that
# we do because we use it in git tags, but we might not always need it
PREPEND="v"
if [ "$1" = "--bare" ]; then
PREPEND=""
fi
# If it fails then there's no last tag - go from the first commit
if [ $? != 0 ]; then
PATCH=$(git rev-list HEAD --count 2>/dev/null)
# Complain if the git history is not available
if [ $? != 0 ]; then
printf 'unknown'
exit 1
fi
printf '%s0.0.%d' "$PREPEND" "$PATCH"
exit 1
fi
# Get the number of merges on the current branch since the last tag
BUILD=$(git rev-list $TAG..HEAD --count --merges)
# Split out into major, minor and patch numbers
MAJOR=$(echo $TAG | cut -c 2- | cut -d "." -f 1)
MINOR=$(echo $TAG | cut -c 2- | cut -d "." -f 2)
# Get the current checked out branch
BRANCH=$(git rev-parse --abbrev-ref HEAD)
# Output in the desired format
if [ $PATCH = 0 ]; then
if [ ! -z $FULL ]; then
printf '%s%d.%d.0' "$PREPEND" "$MAJOR" "$MINOR"
else
printf '%s%d.%d' "$PREPEND" "$MAJOR" "$MINOR"
fi
else
printf '%s%d.%d.%d' "$PREPEND" "$MAJOR" "$MINOR" "$PATCH"
fi
# Add the build tag on non-master branches
if [ $BRANCH != "master" ]; then
if [ $BUILD != 0 ]; then
printf -- "-%04d" "$BUILD"
fi
fi