.zshrc functions

# Delete all local branches that have been deleted on the remote
function gfd() {
    git fetch -p && git branch -vv | awk '/: gone]/{print $1}' | xargs git branch -D
}

# Squash a branch to a single commit and force push it to the remote
function gspf() {
    local current_branch=$(git branch --show-current)
    [[ "$current_branch" == "main" || "$current_branch" == "master" ]] && { echo "Aborting: You are on main!"; return 1 }
    git reset --soft $(git merge-base main HEAD) && git commit -m "$*" && git push origin HEAD -f
}

# Squash N commits from HEAD back to a specific commit (inclusive) on a branch to a single commit and force push
function gsfc() {
    local target_commit="$1"
    local commit_msg="$2"

    # 1. Require a commit hash
    if [[ -z "$target_commit" ]]; then
        echo "Error: Missing commit hash."
        echo "Usage: gsfc <commit-hash> [\"Optional commit message\"]"
        return 1
    fi

    # 2. Protect main/master branches
    local current_branch=$(git branch --show-current)
    if [[ "$current_branch" == "main" || "$current_branch" == "master" ]]; then
        echo "Aborting: You are on $current_branch!"
        return 1
    fi

    # 3. Perform the reset
    # Using '&&' ensures we don't commit/push if the reset fails (e.g. bad hash)
    git reset --soft "${target_commit}~1" && \

    # 4. Commit (uses editor if no message was provided)
    if [[ -n "$commit_msg" ]]; then
        git commit -m "$commit_msg"
    else
        git commit
    fi && \

    # 5. Force push
    git push --force
}
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