Adds a script to detect and return the latest point release for a given major.minor version.

Author: beporter

semver-get-pointrelease.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+# Search a list of local git tags for the "latest" matching the input argument.
+# Input must be in the form of: x.y
+# Can't rely on `sort -V` since it requires GNU coreutils.
+
+if [ -z $1 ]; then
+	exit 1
+fi
+
+if [ -z $2 ]; then
+	REPO_DIR=.
+else
+	REPO_DIR=$2
+fi
+
+git --work-tree="$REPO_DIR" --git-dir="$REPO_DIR/.git" tag -l 1>&2
+
+MAJOR_MINOR=$1
+POINTRELEASE=$( git --work-tree="$REPO_DIR" --git-dir="$REPO_DIR/.git" tag -l | grep "^$MAJOR_MINOR" | sed "s/$MAJOR_MINOR\.//" | sort -n | tail -1 )
+
+
+if [ -z $POINTRELEASE ]; then
+	exit 2
+fi
+
+echo "$MAJOR_MINOR.$POINTRELEASE"