Assuming you have a lot of branches, and you only want to keep devel and master:
gb -a | grep -i origin | sed -E "s/^\s+remotes\/origin\///" | grep -vi master | grep -vi devel | while read br; do echo "deleting $br"; git push origin :$br; doneDeveloper from somewhere
Assuming you have a lot of branches, and you only want to keep devel and master:
gb -a | grep -i origin | sed -E "s/^\s+remotes\/origin\///" | grep -vi master | grep -vi devel | while read br; do echo "deleting $br"; git push origin :$br; done