shsteimer

#delete all the remote tags with the pattern your looking for, ie. DEV-
git tag | grep <pattern> | xargs -n 1 -i% git push origin :refs/tags/%
#delete all your local tags
git tag | xargs -n 1 -i% git tag -d %
#fetch the remote tags which still remain
git fetch

jasonrudolph

# Credit http://stackoverflow.com/a/2514279
for branch in `git branch -r | grep -v HEAD`;do echo -e `git show --format="%ci %cr" $branch | head -n 1` \\t$branch; done | sort -r