precommit update

.github/prehooks/pre-commit

@@ -59,19 +59,21 @@ echo "Updating semantic versioning and date..."
 git fetch origin --prune --prune-tags --quiet
 currenttagfull=`git describe --tags --abbrev=0`
 currenttag=`git describe --tags --abbrev=0 | sed 's/v//'`
+# assume main branch to be 'main' or 'master', pick the right name:
+defaultbranch=`git branch | cut -c 3- | grep -E '^master$|^main$'`
 if [ "$currenttag" = "" ]; then
   # there is no tag, so set tag to 0.0.1 and commit index to current count
-  echo "- no git tags found, create one in this format: 'v(x).(y).(z)'!"
   currenttag="0.0.1"
-  currentcommit=`git rev-list --count HEAD`
+  currentcommit=`git rev-list --count ${defaultbranch}`
+  echo "- no git tags found, create one in format 'v(x).(y).(z)' - curently ${currentcommit} previous commits in ${defaultbranch}"
 else
   # there is a tag, so base version number on that
-  currentcommit=`git rev-list --count ${currenttagfull}..HEAD`
+  currentcommit=`git rev-list --count ${currenttagfull}..${defaultbranch}`
   if (( "$currentcommit" == 0 )); then
     # tag is new, so this must become the version number
     currentversion="$currenttag"
   fi
-  echo "- latest tag is '${currenttagfull}', with ${currentcommit} previous commits"
+  echo "- latest tag is '${currenttagfull}', with ${currentcommit} previous commits in ${defaultbranch}"
 fi
 if [ "$currentversion" = "" ]; then
   # combine tag (e.g. 1.2.3) and commit number (like 5) increased by 9000 to indicate beta version