Changes

basetag.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+# https://gist.github.com/CSTDev/08c127680e3b5fae38c051da3e489351
+
+#!/bin/bash
+
+#get highest tag number containing at least 2 dots
+VERSION=`git describe --abbrev=0 --tags --match="v[0-9]*\.*\.*"`
+
+#replace . with space so can split into an array
+VERSION_BITS=(${VERSION//./ })
+
+#get number parts and increase last one by 1
+VNUM1=${VERSION_BITS[0]}
+VNUM2=${VERSION_BITS[1]}
+VNUM3=${VERSION_BITS[2]}
+VNUM1=`echo $VNUM1 | sed 's/v//'`
+
+# Check for #major or #minor in commit message and increment the relevant version number
+MAJOR=`git log --format=%B -n 1 HEAD | grep '#major'`
+MINOR=`git log --format=%B -n 1 HEAD | grep '#minor'`
+
+if [ "$MAJOR" ]; then
+    echo "Update major version"
+    VNUM1=$((VNUM1+1))
+    VNUM2=0
+    VNUM3=0
+elif [ "$MINOR" ]; then
+    echo "Update minor version"
+    VNUM2=$((VNUM2+1))
+    VNUM3=0
+else
+    echo "Update patch version"
+    VNUM3=$((VNUM3+1))
+fi
+
+
+#create new tag
+NEW_TAG="v$VNUM1.$VNUM2.$VNUM3"
+
+echo "Updating $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 $GIT_COMMIT`
+
+#only tag if no tag already (would be better if the git describe command above could have a silent option)
+if [ -z "$NEEDS_TAG" ]; then
+    echo "Tagged with $NEW_TAG (Ignoring fatal:cannot describe - this means commit is untagged) "
+    git tag $NEW_TAG
+    git push --tags
+else
+    echo "Already a tag on this commit"
+fi