git-split-commit

git-split-commit.sh

STAGED_CHANGES=`git status -s --untracked=no --porcelain | grep -v '^[\s\?]' | wc -l`

if [ "$STAGED_CHANGES" -eq 0 ]; then
    echo "Nothing to commit. Quitting."
    exit;
fi;

if [ "$TMUX" == "" ]; then
    SESS="sc$$"
    tmux new-session -d -s "$SESS" 'exec git diff --cached'
    tmux rename-window -t "$SESS" 'Diff'
    tmux select-window -t "$SESS":0
    tmux split-window -t "$SESS" -h 'exec git commit'
    tmux send-keys -t "$SESS:0" -l 1G
    tmux send-keys -t "$SESS:0" -l i
    tmux set-hook -t "$SESS" pane-exited 'kill-session -t $SESS'
    tmux -2 attach-session -t $SESS
else
    tmux split-window -t "$TMUX_PANE" -h 'exec git commit'
    tmux send-keys -l 1G
    tmux send-keys -l i
    tmux set-hook pane-exited 'send-keys -t $TMUX_PANE q'
    git diff --cached
fi;

git --no-pager log -n 1