versioning

versioning.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# https://github.com/unegma/bash-functions/blob/main/update.sh
+
+VERSION=""
+
+#get parameters
+while getopts v: flag
+do
+  case "${flag}" in
+    v) VERSION=${OPTARG};;
+  esac
+done
+
+#get highest tag number, and add 1.0.0 if doesn't exist
+CURRENT_VERSION=`git describe --abbrev=0 --tags 2>/dev/null`
+
+if [[ $CURRENT_VERSION == '' ]]
+then
+  CURRENT_VERSION='1.0.0'
+fi
+echo "Current Version: $CURRENT_VERSION"
+
+
+#replace . with space so can split into an array
+CURRENT_VERSION_PARTS=(${CURRENT_VERSION//./ })
+
+#get number parts
+VNUM1=${CURRENT_VERSION_PARTS[0]}
+VNUM2=${CURRENT_VERSION_PARTS[1]}
+VNUM3=${CURRENT_VERSION_PARTS[2]}
+
+if [[ $VERSION == 'major' ]]
+then
+  VNUM1=$((VNUM1+1))
+elif [[ $VERSION == 'minor' ]]
+then
+  VNUM2=$((VNUM2+1))
+elif [[ $VERSION == 'patch' ]]
+then
+  VNUM3=$((VNUM3+1))
+else
+  echo "No version type (https://semver.org/) or incorrect type specified, try: -v [major, minor, patch]"
+  exit 1
+fi
+
+
+#create new tag
+NEW_TAG="$VNUM1.$VNUM2.$VNUM3"
+echo "($VERSION) updating $CURRENT_VERSION to $NEW_TAG"
+
+#get current hash and see if it already has a tag
+GIT_COMMIT=`git rev-parse HEAD`
+NEEDS_TAG=`git describe --contains $GIT_COMMIT 2>/dev/null`
+
+#only tag if no tag already
+#to publish, need to be logged in to npm, and with clean working directory: `npm login; git stash`
+if [ -z "$NEEDS_TAG" ]; then
+  npm version $NEW_TAG
+  npm publish --access public
+  echo "Tagged with $NEW_TAG"
+  git push --tags
+  git push
+else
+  echo "Already a tag on this commit"
+fi
+
+exit 0