remove merged branches

blame_who_dont_delete.sh

for branch in `git branch -r --merged develop | grep -v HEAD`;do echo -e `git show --format="%an" $branch | head -n 1` \\t$branch; done | sort

remove_branches.sh

#!/bin/sh
# disable dry run via DRU_RUN=false ./remove_branches.sh
ECHO='echo DRY_RUN would execute:'
# For all remote branches which are merged to develop, with some excpetions (see egrep command).
# instead of -merged u could also try older than x: --since "6 months ago"
for branch in $(git branch -r --merged develop | sed 's/^\s*//' | sed 's/^remotes\///' | egrep -v "(^\*|master|main|trunk|develop|)"); do
  if [[ "$DRY_RUN" = "false" ]]; then
    ECHO=""
  fi
  local_branch_name=$(echo "$branch" | sed 's/origin\///')
  $ECHO git push origin --delete $local_branch_name
done