git_merge_branches

git_merge_branches.sh

cd <work dir>/<dst repository>
git remote add -f <src repository1> <work dir>/<src repository1>
git fetch -n <src repository1>
git checkout <branch>
git branch --set-upstream <branch> <src repository1>/<branch>
git merge --no-edit <src repository1>/<branch>
git remote rm <src repository1>
git remote add -f <src repository2> <work dir>/<src repository2>
git fetch -n <src repository2>
git branch --set-upstream <branch> <src repository2>/<branch>
git merge --no-edit <src repository2>/<branch>
git remote rm <src repository2>
# ... repeat for src repositories 3-5, and finally ...
git push -u origin <branch>