#!/bin/sh

# Use csplit(1) to split a git log into one commit per file, then run the
# pager on the split files.

. $(git --exec-path)/git-sh-setup

SPLIT_DIR="$GIT_DIR/split-$$"
CSPLIT="csplit -s -k"
if csplit --help 2>/dev/null | sane_grep -- "-z" >/dev/null;
then
	CSPLIT="$CSPLIT -z"
fi

_x40='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
_x40="$_x40$_x40$_x40$_x40$_x40$_x40$_x40$_x40"
_infty=1000000

mkdir "$SPLIT_DIR" && cd "$SPLIT_DIR" || exit 1
trap 'rm -rf "$SPLIT_DIR"' 0 1 2 3 15
git log "$@" | $CSPLIT - "/^commit $_x40/" "{$_infty}" 2>/dev/null
git_pager "$SPLIT_DIR"/xx*