antimerger-precommit.sh

#! /bin/sh

if [ -e .git/MERGE_HEAD ]; then
    printf "\n"
    printf "This antimerger pre-commit hook has been invoked because you are trying to create a merge commit.\n"
    printf "This operation will likely create non-linear history, and that is why you are seeing this message.\n\n"

    printf "If you are pulling a branch, change the pull strategy to rebase using:\n\n"
    printf "      git config pull.rebase true\n\n"

    printf "If you are merging a branch, first rebase the source on the target and then merge using:\n\n"
    printf "      git switch your_source\n"
    printf "      git rebase your_target\n"
    printf "      git switch your_target\n"
    printf "      git merge --ff-only your_source\n\n"

    printf "WARNING: This merge operation will now be aborted!\n"

    git merge --abort
    exit 1
fi

exit 0